1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved.
4 */
5
6 #include <linux/io.h>
7 #include <linux/clk.h>
8 #include <linux/clk-provider.h>
9 #include <linux/clkdev.h>
10 #include <linux/of.h>
11 #include <linux/of_address.h>
12 #include <linux/syscore_ops.h>
13 #include <linux/delay.h>
14 #include <linux/export.h>
15 #include <linux/mutex.h>
16 #include <linux/clk/tegra.h>
17 #include <dt-bindings/clock/tegra210-car.h>
18 #include <dt-bindings/reset/tegra210-car.h>
19 #include <linux/sizes.h>
20 #include <soc/tegra/pmc.h>
21
22 #include "clk.h"
23 #include "clk-id.h"
24
25 /*
26 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
27 * banks present in the Tegra210 CAR IP block. The banks are
28 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See
29 * periph_regs[] in drivers/clk/tegra/clk.c
30 */
31 #define TEGRA210_CAR_BANK_COUNT 7
32
33 #define CLK_SOURCE_CSITE 0x1d4
34 #define CLK_SOURCE_EMC 0x19c
35 #define CLK_SOURCE_SOR1 0x410
36 #define CLK_SOURCE_SOR0 0x414
37 #define CLK_SOURCE_LA 0x1f8
38 #define CLK_SOURCE_SDMMC2 0x154
39 #define CLK_SOURCE_SDMMC4 0x164
40 #define CLK_SOURCE_EMC_DLL 0x664
41
42 #define PLLC_BASE 0x80
43 #define PLLC_OUT 0x84
44 #define PLLC_MISC0 0x88
45 #define PLLC_MISC1 0x8c
46 #define PLLC_MISC2 0x5d0
47 #define PLLC_MISC3 0x5d4
48
49 #define PLLC2_BASE 0x4e8
50 #define PLLC2_MISC0 0x4ec
51 #define PLLC2_MISC1 0x4f0
52 #define PLLC2_MISC2 0x4f4
53 #define PLLC2_MISC3 0x4f8
54
55 #define PLLC3_BASE 0x4fc
56 #define PLLC3_MISC0 0x500
57 #define PLLC3_MISC1 0x504
58 #define PLLC3_MISC2 0x508
59 #define PLLC3_MISC3 0x50c
60
61 #define PLLM_BASE 0x90
62 #define PLLM_MISC1 0x98
63 #define PLLM_MISC2 0x9c
64 #define PLLP_BASE 0xa0
65 #define PLLP_MISC0 0xac
66 #define PLLP_MISC1 0x680
67 #define PLLA_BASE 0xb0
68 #define PLLA_MISC0 0xbc
69 #define PLLA_MISC1 0xb8
70 #define PLLA_MISC2 0x5d8
71 #define PLLD_BASE 0xd0
72 #define PLLD_MISC0 0xdc
73 #define PLLD_MISC1 0xd8
74 #define PLLU_BASE 0xc0
75 #define PLLU_OUTA 0xc4
76 #define PLLU_MISC0 0xcc
77 #define PLLU_MISC1 0xc8
78 #define PLLX_BASE 0xe0
79 #define PLLX_MISC0 0xe4
80 #define PLLX_MISC1 0x510
81 #define PLLX_MISC2 0x514
82 #define PLLX_MISC3 0x518
83 #define PLLX_MISC4 0x5f0
84 #define PLLX_MISC5 0x5f4
85 #define PLLE_BASE 0xe8
86 #define PLLE_MISC0 0xec
87 #define PLLD2_BASE 0x4b8
88 #define PLLD2_MISC0 0x4bc
89 #define PLLD2_MISC1 0x570
90 #define PLLD2_MISC2 0x574
91 #define PLLD2_MISC3 0x578
92 #define PLLE_AUX 0x48c
93 #define PLLRE_BASE 0x4c4
94 #define PLLRE_MISC0 0x4c8
95 #define PLLRE_OUT1 0x4cc
96 #define PLLDP_BASE 0x590
97 #define PLLDP_MISC 0x594
98
99 #define PLLC4_BASE 0x5a4
100 #define PLLC4_MISC0 0x5a8
101 #define PLLC4_OUT 0x5e4
102 #define PLLMB_BASE 0x5e8
103 #define PLLMB_MISC1 0x5ec
104 #define PLLA1_BASE 0x6a4
105 #define PLLA1_MISC0 0x6a8
106 #define PLLA1_MISC1 0x6ac
107 #define PLLA1_MISC2 0x6b0
108 #define PLLA1_MISC3 0x6b4
109
110 #define PLLU_IDDQ_BIT 31
111 #define PLLCX_IDDQ_BIT 27
112 #define PLLRE_IDDQ_BIT 24
113 #define PLLA_IDDQ_BIT 25
114 #define PLLD_IDDQ_BIT 20
115 #define PLLSS_IDDQ_BIT 18
116 #define PLLM_IDDQ_BIT 5
117 #define PLLMB_IDDQ_BIT 17
118 #define PLLXP_IDDQ_BIT 3
119
120 #define PLLCX_RESET_BIT 30
121
122 #define PLL_BASE_LOCK BIT(27)
123 #define PLLCX_BASE_LOCK BIT(26)
124 #define PLLE_MISC_LOCK BIT(11)
125 #define PLLRE_MISC_LOCK BIT(27)
126
127 #define PLL_MISC_LOCK_ENABLE 18
128 #define PLLC_MISC_LOCK_ENABLE 24
129 #define PLLDU_MISC_LOCK_ENABLE 22
130 #define PLLU_MISC_LOCK_ENABLE 29
131 #define PLLE_MISC_LOCK_ENABLE 9
132 #define PLLRE_MISC_LOCK_ENABLE 30
133 #define PLLSS_MISC_LOCK_ENABLE 30
134 #define PLLP_MISC_LOCK_ENABLE 18
135 #define PLLM_MISC_LOCK_ENABLE 4
136 #define PLLMB_MISC_LOCK_ENABLE 16
137 #define PLLA_MISC_LOCK_ENABLE 28
138 #define PLLU_MISC_LOCK_ENABLE 29
139 #define PLLD_MISC_LOCK_ENABLE 18
140
141 #define PLLA_SDM_DIN_MASK 0xffff
142 #define PLLA_SDM_EN_MASK BIT(26)
143
144 #define PLLD_SDM_EN_MASK BIT(16)
145
146 #define PLLD2_SDM_EN_MASK BIT(31)
147 #define PLLD2_SSC_EN_MASK 0
148
149 #define PLLDP_SS_CFG 0x598
150 #define PLLDP_SDM_EN_MASK BIT(31)
151 #define PLLDP_SSC_EN_MASK BIT(30)
152 #define PLLDP_SS_CTRL1 0x59c
153 #define PLLDP_SS_CTRL2 0x5a0
154
155 #define PMC_PLLM_WB0_OVERRIDE 0x1dc
156 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
157
158 #define UTMIP_PLL_CFG2 0x488
159 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
160 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
168 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
169
170 #define UTMIP_PLL_CFG1 0x484
171 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
172 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
173 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
174 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
175 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
176 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
177 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
178
179 #define SATA_PLL_CFG0 0x490
180 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
181 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2)
182 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4)
183 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5)
184 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6)
185 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7)
186
187 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
188 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24)
189
190 #define XUSBIO_PLL_CFG0 0x51c
191 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
192 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2)
193 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6)
194 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
195 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24)
196
197 #define UTMIPLL_HW_PWRDN_CFG0 0x52c
198 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31)
199 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
200 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
201 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7)
202 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
203 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
204 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
205 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
206 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
207 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
208
209 #define PLLU_HW_PWRDN_CFG0 0x530
210 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
211 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
212 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
213 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
214 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
215 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
216
217 #define XUSB_PLL_CFG0 0x534
218 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
219 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14)
220
221 #define SPARE_REG0 0x55c
222 #define CLK_M_DIVISOR_SHIFT 2
223 #define CLK_M_DIVISOR_MASK 0x3
224
225 #define CLK_MASK_ARM 0x44
226 #define MISC_CLK_ENB 0x48
227
228 #define RST_DFLL_DVCO 0x2f4
229 #define DVFS_DFLL_RESET_SHIFT 0
230
231 #define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET 0x284
232 #define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR 0x288
233 #define CLK_OUT_ENB_X_CLK_ENB_EMC_DLL BIT(14)
234
235 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
236 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
237 #define CPU_SOFTRST_CTRL 0x380
238
239 #define LVL2_CLK_GATE_OVRA 0xf8
240 #define LVL2_CLK_GATE_OVRC 0x3a0
241 #define LVL2_CLK_GATE_OVRD 0x3a4
242 #define LVL2_CLK_GATE_OVRE 0x554
243
244 /* I2S registers to handle during APE MBIST WAR */
245 #define TEGRA210_I2S_BASE 0x1000
246 #define TEGRA210_I2S_SIZE 0x100
247 #define TEGRA210_I2S_CTRLS 5
248 #define TEGRA210_I2S_CG 0x88
249 #define TEGRA210_I2S_CTRL 0xa0
250
251 /* DISPA registers to handle during MBIST WAR */
252 #define DC_CMD_DISPLAY_COMMAND 0xc8
253 #define DC_COM_DSC_TOP_CTL 0xcf8
254
255 /* VIC register to handle during MBIST WAR */
256 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c
257
258 /* APE, DISPA and VIC base addesses needed for MBIST WAR */
259 #define TEGRA210_AHUB_BASE 0x702d0000
260 #define TEGRA210_DISPA_BASE 0x54200000
261 #define TEGRA210_VIC_BASE 0x54340000
262
263 /*
264 * SDM fractional divisor is 16-bit 2's complement signed number within
265 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
266 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
267 * indicate that SDM is disabled.
268 *
269 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
270 */
271 #define PLL_SDM_COEFF BIT(13)
272 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU))
273 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat)
274 /* This macro returns ndiv effective scaled to SDM range */
275 #define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
276 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
277
278 /* Tegra CPU clock and reset control regs */
279 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
280
281 #ifdef CONFIG_PM_SLEEP
282 static struct cpu_clk_suspend_context {
283 u32 clk_csite_src;
284 } tegra210_cpu_clk_sctx;
285 #endif
286
287 struct tegra210_domain_mbist_war {
288 void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist);
289 const u32 lvl2_offset;
290 const u32 lvl2_mask;
291 const unsigned int num_clks;
292 const unsigned int *clk_init_data;
293 struct clk_bulk_data *clks;
294 };
295
296 static struct clk **clks;
297
298 static void __iomem *clk_base;
299 static void __iomem *pmc_base;
300 static void __iomem *ahub_base;
301 static void __iomem *dispa_base;
302 static void __iomem *vic_base;
303
304 static unsigned long osc_freq;
305 static unsigned long pll_ref_freq;
306
307 static DEFINE_SPINLOCK(pll_d_lock);
308 static DEFINE_SPINLOCK(pll_e_lock);
309 static DEFINE_SPINLOCK(pll_re_lock);
310 static DEFINE_SPINLOCK(pll_u_lock);
311 static DEFINE_SPINLOCK(sor0_lock);
312 static DEFINE_SPINLOCK(sor1_lock);
313 static DEFINE_SPINLOCK(emc_lock);
314 static DEFINE_MUTEX(lvl2_ovr_lock);
315
316 /* possible OSC frequencies in Hz */
317 static unsigned long tegra210_input_freq[] = {
318 [5] = 38400000,
319 [8] = 12000000,
320 };
321
322 #define PLL_ENABLE (1 << 30)
323
324 #define PLLCX_MISC1_IDDQ (1 << 27)
325 #define PLLCX_MISC0_RESET (1 << 30)
326
327 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000
328 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb
329 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000
330 #define PLLCX_MISC1_WRITE_MASK 0x08003cff
331 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05
332 #define PLLCX_MISC2_WRITE_MASK 0xffffff17
333 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4
334 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff
335
336 /* PLLA */
337 #define PLLA_BASE_IDDQ (1 << 25)
338 #define PLLA_BASE_LOCK (1 << 27)
339
340 #define PLLA_MISC0_LOCK_ENABLE (1 << 28)
341 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27)
342
343 #define PLLA_MISC2_EN_SDM (1 << 26)
344 #define PLLA_MISC2_EN_DYNRAMP (1 << 25)
345
346 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020
347 #define PLLA_MISC0_WRITE_MASK 0x7fffffff
348 #define PLLA_MISC2_DEFAULT_VALUE 0x0
349 #define PLLA_MISC2_WRITE_MASK 0x06ffffff
350
351 /* PLLD */
352 #define PLLD_BASE_CSI_CLKSOURCE (1 << 23)
353
354 #define PLLD_MISC0_EN_SDM (1 << 16)
355 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17)
356 #define PLLD_MISC0_LOCK_ENABLE (1 << 18)
357 #define PLLD_MISC0_IDDQ (1 << 20)
358 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21)
359
360 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000
361 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff
362 #define PLLD_MISC1_DEFAULT_VALUE 0x20
363 #define PLLD_MISC1_WRITE_MASK 0x00ffffff
364
365 /* PLLD2 and PLLDP and PLLC4 */
366 #define PLLDSS_BASE_LOCK (1 << 27)
367 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24)
368 #define PLLDSS_BASE_IDDQ (1 << 18)
369 #define PLLDSS_BASE_REF_SEL_SHIFT 25
370 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
371
372 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30)
373
374 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31)
375 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30)
376
377 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020
378 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000
379 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
380 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
381
382 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020
383 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000
384 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
385 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
386
387 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff
388 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000
389 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff
390 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff
391
392 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000
393
394 /* PLLRE */
395 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30)
396 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29)
397 #define PLLRE_MISC0_LOCK (1 << 27)
398 #define PLLRE_MISC0_IDDQ (1 << 24)
399
400 #define PLLRE_BASE_DEFAULT_VALUE 0x0
401 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000
402
403 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000
404 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff
405
406 /* PLLX */
407 #define PLLX_USE_DYN_RAMP 1
408 #define PLLX_BASE_LOCK (1 << 27)
409
410 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28)
411 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18)
412
413 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24
414 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
415 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16
416 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
417 #define PLLX_MISC2_NDIV_NEW_SHIFT 8
418 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
419 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4)
420 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2)
421 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0)
422
423 #define PLLX_MISC3_IDDQ (0x1 << 3)
424
425 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE
426 #define PLLX_MISC0_WRITE_MASK 0x10c40000
427 #define PLLX_MISC1_DEFAULT_VALUE 0x20
428 #define PLLX_MISC1_WRITE_MASK 0x00ffffff
429 #define PLLX_MISC2_DEFAULT_VALUE 0x0
430 #define PLLX_MISC2_WRITE_MASK 0xffffff11
431 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ
432 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f
433 #define PLLX_MISC4_DEFAULT_VALUE 0x0
434 #define PLLX_MISC4_WRITE_MASK 0x8000ffff
435 #define PLLX_MISC5_DEFAULT_VALUE 0x0
436 #define PLLX_MISC5_WRITE_MASK 0x0000ffff
437
438 #define PLLX_HW_CTRL_CFG 0x548
439 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0)
440
441 /* PLLMB */
442 #define PLLMB_BASE_LOCK (1 << 27)
443
444 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18)
445 #define PLLMB_MISC1_IDDQ (1 << 17)
446 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16)
447
448 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000
449 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff
450
451 /* PLLP */
452 #define PLLP_BASE_OVERRIDE (1 << 28)
453 #define PLLP_BASE_LOCK (1 << 27)
454
455 #define PLLP_MISC0_LOCK_ENABLE (1 << 18)
456 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17)
457 #define PLLP_MISC0_IDDQ (1 << 3)
458
459 #define PLLP_MISC1_HSIO_EN_SHIFT 29
460 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT)
461 #define PLLP_MISC1_XUSB_EN_SHIFT 28
462 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT)
463
464 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008
465 #define PLLP_MISC1_DEFAULT_VALUE 0x0
466
467 #define PLLP_MISC0_WRITE_MASK 0xdc6000f
468 #define PLLP_MISC1_WRITE_MASK 0x70ffffff
469
470 /* PLLU */
471 #define PLLU_BASE_LOCK (1 << 27)
472 #define PLLU_BASE_OVERRIDE (1 << 24)
473 #define PLLU_BASE_CLKENABLE_USB (1 << 21)
474 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22)
475 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23)
476 #define PLLU_BASE_CLKENABLE_48M (1 << 25)
477 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\
478 PLLU_BASE_CLKENABLE_HSIC |\
479 PLLU_BASE_CLKENABLE_ICUSB |\
480 PLLU_BASE_CLKENABLE_48M)
481
482 #define PLLU_MISC0_IDDQ (1 << 31)
483 #define PLLU_MISC0_LOCK_ENABLE (1 << 29)
484 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0)
485
486 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000
487 #define PLLU_MISC1_DEFAULT_VALUE 0x0
488
489 #define PLLU_MISC0_WRITE_MASK 0xbfffffff
490 #define PLLU_MISC1_WRITE_MASK 0x00000007
491
tegra210_xusb_pll_hw_control_enable(void)492 void tegra210_xusb_pll_hw_control_enable(void)
493 {
494 u32 val;
495
496 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
497 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
498 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
499 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
500 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
501 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
502 }
503 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
504
tegra210_xusb_pll_hw_sequence_start(void)505 void tegra210_xusb_pll_hw_sequence_start(void)
506 {
507 u32 val;
508
509 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
510 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
511 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
512 }
513 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
514
tegra210_sata_pll_hw_control_enable(void)515 void tegra210_sata_pll_hw_control_enable(void)
516 {
517 u32 val;
518
519 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
520 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
521 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
522 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
523 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
524 }
525 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
526
tegra210_sata_pll_hw_sequence_start(void)527 void tegra210_sata_pll_hw_sequence_start(void)
528 {
529 u32 val;
530
531 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
532 val |= SATA_PLL_CFG0_SEQ_ENABLE;
533 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
534 }
535 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
536
tegra210_set_sata_pll_seq_sw(bool state)537 void tegra210_set_sata_pll_seq_sw(bool state)
538 {
539 u32 val;
540
541 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
542 if (state) {
543 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
544 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
545 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
546 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
547 } else {
548 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
549 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
550 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
551 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
552 }
553 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
554 }
555 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
556
tegra210_clk_emc_dll_enable(bool flag)557 void tegra210_clk_emc_dll_enable(bool flag)
558 {
559 u32 offset = flag ? CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET :
560 CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR;
561
562 writel_relaxed(CLK_OUT_ENB_X_CLK_ENB_EMC_DLL, clk_base + offset);
563 }
564 EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_enable);
565
tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value)566 void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value)
567 {
568 writel_relaxed(emc_dll_src_value, clk_base + CLK_SOURCE_EMC_DLL);
569 }
570 EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_update_setting);
571
tegra210_clk_emc_update_setting(u32 emc_src_value)572 void tegra210_clk_emc_update_setting(u32 emc_src_value)
573 {
574 writel_relaxed(emc_src_value, clk_base + CLK_SOURCE_EMC);
575 }
576 EXPORT_SYMBOL_GPL(tegra210_clk_emc_update_setting);
577
tegra210_generic_mbist_war(struct tegra210_domain_mbist_war * mbist)578 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist)
579 {
580 u32 val;
581
582 val = readl_relaxed(clk_base + mbist->lvl2_offset);
583 writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset);
584 fence_udelay(1, clk_base);
585 writel_relaxed(val, clk_base + mbist->lvl2_offset);
586 fence_udelay(1, clk_base);
587 }
588
tegra210_venc_mbist_war(struct tegra210_domain_mbist_war * mbist)589 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist)
590 {
591 u32 csi_src, ovra, ovre;
592 unsigned long flags = 0;
593
594 spin_lock_irqsave(&pll_d_lock, flags);
595
596 csi_src = readl_relaxed(clk_base + PLLD_BASE);
597 writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE);
598 fence_udelay(1, clk_base);
599
600 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
601 writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA);
602 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
603 writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE);
604 fence_udelay(1, clk_base);
605
606 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
607 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
608 writel_relaxed(csi_src, clk_base + PLLD_BASE);
609 fence_udelay(1, clk_base);
610
611 spin_unlock_irqrestore(&pll_d_lock, flags);
612 }
613
tegra210_disp_mbist_war(struct tegra210_domain_mbist_war * mbist)614 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist)
615 {
616 u32 ovra, dsc_top_ctrl;
617
618 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
619 writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA);
620 fence_udelay(1, clk_base);
621
622 dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL);
623 writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL);
624 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
625 writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL);
626 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
627
628 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
629 fence_udelay(1, clk_base);
630 }
631
tegra210_vic_mbist_war(struct tegra210_domain_mbist_war * mbist)632 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist)
633 {
634 u32 ovre, val;
635
636 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
637 writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE);
638 fence_udelay(1, clk_base);
639
640 val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
641 writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24),
642 vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
643 fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
644
645 writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
646 readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
647
648 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
649 fence_udelay(1, clk_base);
650 }
651
tegra210_ape_mbist_war(struct tegra210_domain_mbist_war * mbist)652 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist)
653 {
654 void __iomem *i2s_base;
655 unsigned int i;
656 u32 ovrc, ovre;
657
658 ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC);
659 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
660 writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC);
661 writel_relaxed(ovre | BIT(10) | BIT(11),
662 clk_base + LVL2_CLK_GATE_OVRE);
663 fence_udelay(1, clk_base);
664
665 i2s_base = ahub_base + TEGRA210_I2S_BASE;
666
667 for (i = 0; i < TEGRA210_I2S_CTRLS; i++) {
668 u32 i2s_ctrl;
669
670 i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL);
671 writel_relaxed(i2s_ctrl | BIT(10),
672 i2s_base + TEGRA210_I2S_CTRL);
673 writel_relaxed(0, i2s_base + TEGRA210_I2S_CG);
674 readl(i2s_base + TEGRA210_I2S_CG);
675 writel_relaxed(1, i2s_base + TEGRA210_I2S_CG);
676 writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL);
677 readl(i2s_base + TEGRA210_I2S_CTRL);
678
679 i2s_base += TEGRA210_I2S_SIZE;
680 }
681
682 writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC);
683 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
684 fence_udelay(1, clk_base);
685 }
686
_pll_misc_chk_default(void __iomem * base,struct tegra_clk_pll_params * params,u8 misc_num,u32 default_val,u32 mask)687 static inline void _pll_misc_chk_default(void __iomem *base,
688 struct tegra_clk_pll_params *params,
689 u8 misc_num, u32 default_val, u32 mask)
690 {
691 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
692
693 boot_val &= mask;
694 default_val &= mask;
695 if (boot_val != default_val) {
696 pr_warn("boot misc%d 0x%x: expected 0x%x\n",
697 misc_num, boot_val, default_val);
698 pr_warn(" (comparison mask = 0x%x)\n", mask);
699 params->defaults_set = false;
700 }
701 }
702
703 /*
704 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
705 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
706 * that changes NDIV only, while PLL is already locked.
707 */
pllcx_check_defaults(struct tegra_clk_pll_params * params)708 static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
709 {
710 u32 default_val;
711
712 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
713 _pll_misc_chk_default(clk_base, params, 0, default_val,
714 PLLCX_MISC0_WRITE_MASK);
715
716 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
717 _pll_misc_chk_default(clk_base, params, 1, default_val,
718 PLLCX_MISC1_WRITE_MASK);
719
720 default_val = PLLCX_MISC2_DEFAULT_VALUE;
721 _pll_misc_chk_default(clk_base, params, 2, default_val,
722 PLLCX_MISC2_WRITE_MASK);
723
724 default_val = PLLCX_MISC3_DEFAULT_VALUE;
725 _pll_misc_chk_default(clk_base, params, 3, default_val,
726 PLLCX_MISC3_WRITE_MASK);
727 }
728
tegra210_pllcx_set_defaults(const char * name,struct tegra_clk_pll * pllcx)729 static void tegra210_pllcx_set_defaults(const char *name,
730 struct tegra_clk_pll *pllcx)
731 {
732 pllcx->params->defaults_set = true;
733
734 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
735 /* PLL is ON: only check if defaults already set */
736 pllcx_check_defaults(pllcx->params);
737 if (!pllcx->params->defaults_set)
738 pr_warn("%s already enabled. Postponing set full defaults\n",
739 name);
740 return;
741 }
742
743 /* Defaults assert PLL reset, and set IDDQ */
744 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
745 clk_base + pllcx->params->ext_misc_reg[0]);
746 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
747 clk_base + pllcx->params->ext_misc_reg[1]);
748 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
749 clk_base + pllcx->params->ext_misc_reg[2]);
750 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
751 clk_base + pllcx->params->ext_misc_reg[3]);
752 udelay(1);
753 }
754
_pllc_set_defaults(struct tegra_clk_pll * pllcx)755 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
756 {
757 tegra210_pllcx_set_defaults("PLL_C", pllcx);
758 }
759
_pllc2_set_defaults(struct tegra_clk_pll * pllcx)760 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
761 {
762 tegra210_pllcx_set_defaults("PLL_C2", pllcx);
763 }
764
_pllc3_set_defaults(struct tegra_clk_pll * pllcx)765 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
766 {
767 tegra210_pllcx_set_defaults("PLL_C3", pllcx);
768 }
769
_plla1_set_defaults(struct tegra_clk_pll * pllcx)770 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
771 {
772 tegra210_pllcx_set_defaults("PLL_A1", pllcx);
773 }
774
775 /*
776 * PLLA
777 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
778 * Fractional SDM is allowed to provide exact audio rates.
779 */
tegra210_plla_set_defaults(struct tegra_clk_pll * plla)780 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
781 {
782 u32 mask;
783 u32 val = readl_relaxed(clk_base + plla->params->base_reg);
784
785 plla->params->defaults_set = true;
786
787 if (val & PLL_ENABLE) {
788 /*
789 * PLL is ON: check if defaults already set, then set those
790 * that can be updated in flight.
791 */
792 if (val & PLLA_BASE_IDDQ) {
793 pr_warn("PLL_A boot enabled with IDDQ set\n");
794 plla->params->defaults_set = false;
795 }
796
797 pr_warn("PLL_A already enabled. Postponing set full defaults\n");
798
799 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
800 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
801 _pll_misc_chk_default(clk_base, plla->params, 0, val,
802 ~mask & PLLA_MISC0_WRITE_MASK);
803
804 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
805 _pll_misc_chk_default(clk_base, plla->params, 2, val,
806 PLLA_MISC2_EN_DYNRAMP);
807
808 /* Enable lock detect */
809 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
810 val &= ~mask;
811 val |= PLLA_MISC0_DEFAULT_VALUE & mask;
812 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
813 udelay(1);
814
815 return;
816 }
817
818 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
819 val |= PLLA_BASE_IDDQ;
820 writel_relaxed(val, clk_base + plla->params->base_reg);
821 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
822 clk_base + plla->params->ext_misc_reg[0]);
823 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
824 clk_base + plla->params->ext_misc_reg[2]);
825 udelay(1);
826 }
827
828 /*
829 * PLLD
830 * PLL with fractional SDM.
831 */
tegra210_plld_set_defaults(struct tegra_clk_pll * plld)832 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
833 {
834 u32 val;
835 u32 mask = 0xffff;
836
837 plld->params->defaults_set = true;
838
839 if (readl_relaxed(clk_base + plld->params->base_reg) &
840 PLL_ENABLE) {
841
842 /*
843 * PLL is ON: check if defaults already set, then set those
844 * that can be updated in flight.
845 */
846 val = PLLD_MISC1_DEFAULT_VALUE;
847 _pll_misc_chk_default(clk_base, plld->params, 1,
848 val, PLLD_MISC1_WRITE_MASK);
849
850 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
851 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
852 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
853 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
854 _pll_misc_chk_default(clk_base, plld->params, 0, val,
855 ~mask & PLLD_MISC0_WRITE_MASK);
856
857 if (!plld->params->defaults_set)
858 pr_warn("PLL_D already enabled. Postponing set full defaults\n");
859
860 /* Enable lock detect */
861 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
862 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
863 val &= ~mask;
864 val |= PLLD_MISC0_DEFAULT_VALUE & mask;
865 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
866 udelay(1);
867
868 return;
869 }
870
871 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
872 val &= PLLD_MISC0_DSI_CLKENABLE;
873 val |= PLLD_MISC0_DEFAULT_VALUE;
874 /* set IDDQ, enable lock detect, disable SDM */
875 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
876 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
877 plld->params->ext_misc_reg[1]);
878 udelay(1);
879 }
880
881 /*
882 * PLLD2, PLLDP
883 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
884 */
plldss_defaults(const char * pll_name,struct tegra_clk_pll * plldss,u32 misc0_val,u32 misc1_val,u32 misc2_val,u32 misc3_val)885 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
886 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
887 {
888 u32 default_val;
889 u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
890
891 plldss->params->defaults_set = true;
892
893 if (val & PLL_ENABLE) {
894
895 /*
896 * PLL is ON: check if defaults already set, then set those
897 * that can be updated in flight.
898 */
899 if (val & PLLDSS_BASE_IDDQ) {
900 pr_warn("plldss boot enabled with IDDQ set\n");
901 plldss->params->defaults_set = false;
902 }
903
904 /* ignore lock enable */
905 default_val = misc0_val;
906 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
907 PLLDSS_MISC0_WRITE_MASK &
908 (~PLLDSS_MISC0_LOCK_ENABLE));
909
910 /*
911 * If SSC is used, check all settings, otherwise just confirm
912 * that SSC is not used on boot as well. Do nothing when using
913 * this function for PLLC4 that has only MISC0.
914 */
915 if (plldss->params->ssc_ctrl_en_mask) {
916 default_val = misc1_val;
917 _pll_misc_chk_default(clk_base, plldss->params, 1,
918 default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
919 default_val = misc2_val;
920 _pll_misc_chk_default(clk_base, plldss->params, 2,
921 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
922 default_val = misc3_val;
923 _pll_misc_chk_default(clk_base, plldss->params, 3,
924 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
925 } else if (plldss->params->ext_misc_reg[1]) {
926 default_val = misc1_val;
927 _pll_misc_chk_default(clk_base, plldss->params, 1,
928 default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
929 (~PLLDSS_MISC1_CFG_EN_SDM));
930 }
931
932 if (!plldss->params->defaults_set)
933 pr_warn("%s already enabled. Postponing set full defaults\n",
934 pll_name);
935
936 /* Enable lock detect */
937 if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
938 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
939 writel_relaxed(val, clk_base +
940 plldss->params->base_reg);
941 }
942
943 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
944 val &= ~PLLDSS_MISC0_LOCK_ENABLE;
945 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
946 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
947 udelay(1);
948
949 return;
950 }
951
952 /* set IDDQ, enable lock detect, configure SDM/SSC */
953 val |= PLLDSS_BASE_IDDQ;
954 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
955 writel_relaxed(val, clk_base + plldss->params->base_reg);
956
957 /* When using this function for PLLC4 exit here */
958 if (!plldss->params->ext_misc_reg[1]) {
959 writel_relaxed(misc0_val, clk_base +
960 plldss->params->ext_misc_reg[0]);
961 udelay(1);
962 return;
963 }
964
965 writel_relaxed(misc0_val, clk_base +
966 plldss->params->ext_misc_reg[0]);
967 /* if SSC used set by 1st enable */
968 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
969 clk_base + plldss->params->ext_misc_reg[1]);
970 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
971 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
972 udelay(1);
973 }
974
tegra210_plld2_set_defaults(struct tegra_clk_pll * plld2)975 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
976 {
977 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
978 PLLD2_MISC1_CFG_DEFAULT_VALUE,
979 PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
980 PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
981 }
982
tegra210_plldp_set_defaults(struct tegra_clk_pll * plldp)983 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
984 {
985 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
986 PLLDP_MISC1_CFG_DEFAULT_VALUE,
987 PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
988 PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
989 }
990
991 /*
992 * PLLC4
993 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
994 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
995 */
tegra210_pllc4_set_defaults(struct tegra_clk_pll * pllc4)996 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
997 {
998 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
999 }
1000
1001 /*
1002 * PLLRE
1003 * VCO is exposed to the clock tree directly along with post-divider output
1004 */
tegra210_pllre_set_defaults(struct tegra_clk_pll * pllre)1005 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
1006 {
1007 u32 mask;
1008 u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
1009
1010 pllre->params->defaults_set = true;
1011
1012 if (val & PLL_ENABLE) {
1013 /*
1014 * PLL is ON: check if defaults already set, then set those
1015 * that can be updated in flight.
1016 */
1017 val &= PLLRE_BASE_DEFAULT_MASK;
1018 if (val != PLLRE_BASE_DEFAULT_VALUE) {
1019 pr_warn("pllre boot base 0x%x : expected 0x%x\n",
1020 val, PLLRE_BASE_DEFAULT_VALUE);
1021 pr_warn("(comparison mask = 0x%x)\n",
1022 PLLRE_BASE_DEFAULT_MASK);
1023 pllre->params->defaults_set = false;
1024 }
1025
1026 /* Ignore lock enable */
1027 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
1028 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
1029 _pll_misc_chk_default(clk_base, pllre->params, 0, val,
1030 ~mask & PLLRE_MISC0_WRITE_MASK);
1031
1032 /* The PLL doesn't work if it's in IDDQ. */
1033 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
1034 if (val & PLLRE_MISC0_IDDQ)
1035 pr_warn("unexpected IDDQ bit set for enabled clock\n");
1036
1037 /* Enable lock detect */
1038 val &= ~mask;
1039 val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
1040 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
1041 udelay(1);
1042
1043 if (!pllre->params->defaults_set)
1044 pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
1045
1046 return;
1047 }
1048
1049 /* set IDDQ, enable lock detect */
1050 val &= ~PLLRE_BASE_DEFAULT_MASK;
1051 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
1052 writel_relaxed(val, clk_base + pllre->params->base_reg);
1053 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
1054 clk_base + pllre->params->ext_misc_reg[0]);
1055 udelay(1);
1056 }
1057
pllx_get_dyn_steps(struct clk_hw * hw,u32 * step_a,u32 * step_b)1058 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
1059 {
1060 unsigned long input_rate;
1061
1062 /* cf rate */
1063 if (!IS_ERR_OR_NULL(hw->clk))
1064 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
1065 else
1066 input_rate = 38400000;
1067
1068 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
1069
1070 switch (input_rate) {
1071 case 12000000:
1072 case 12800000:
1073 case 13000000:
1074 *step_a = 0x2B;
1075 *step_b = 0x0B;
1076 return;
1077 case 19200000:
1078 *step_a = 0x12;
1079 *step_b = 0x08;
1080 return;
1081 case 38400000:
1082 *step_a = 0x04;
1083 *step_b = 0x05;
1084 return;
1085 default:
1086 pr_err("%s: Unexpected reference rate %lu\n",
1087 __func__, input_rate);
1088 BUG();
1089 }
1090 }
1091
pllx_check_defaults(struct tegra_clk_pll * pll)1092 static void pllx_check_defaults(struct tegra_clk_pll *pll)
1093 {
1094 u32 default_val;
1095
1096 default_val = PLLX_MISC0_DEFAULT_VALUE;
1097 /* ignore lock enable */
1098 _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
1099 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
1100
1101 default_val = PLLX_MISC1_DEFAULT_VALUE;
1102 _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
1103 PLLX_MISC1_WRITE_MASK);
1104
1105 /* ignore all but control bit */
1106 default_val = PLLX_MISC2_DEFAULT_VALUE;
1107 _pll_misc_chk_default(clk_base, pll->params, 2,
1108 default_val, PLLX_MISC2_EN_DYNRAMP);
1109
1110 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
1111 _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
1112 PLLX_MISC3_WRITE_MASK);
1113
1114 default_val = PLLX_MISC4_DEFAULT_VALUE;
1115 _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
1116 PLLX_MISC4_WRITE_MASK);
1117
1118 default_val = PLLX_MISC5_DEFAULT_VALUE;
1119 _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
1120 PLLX_MISC5_WRITE_MASK);
1121 }
1122
tegra210_pllx_set_defaults(struct tegra_clk_pll * pllx)1123 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
1124 {
1125 u32 val;
1126 u32 step_a, step_b;
1127
1128 pllx->params->defaults_set = true;
1129
1130 /* Get ready dyn ramp state machine settings */
1131 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
1132 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
1133 (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
1134 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
1135 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
1136
1137 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
1138
1139 /*
1140 * PLL is ON: check if defaults already set, then set those
1141 * that can be updated in flight.
1142 */
1143 pllx_check_defaults(pllx);
1144
1145 if (!pllx->params->defaults_set)
1146 pr_warn("PLL_X already enabled. Postponing set full defaults\n");
1147 /* Configure dyn ramp, disable lock override */
1148 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1149
1150 /* Enable lock detect */
1151 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
1152 val &= ~PLLX_MISC0_LOCK_ENABLE;
1153 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
1154 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
1155 udelay(1);
1156
1157 return;
1158 }
1159
1160 /* Enable lock detect and CPU output */
1161 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
1162 pllx->params->ext_misc_reg[0]);
1163
1164 /* Setup */
1165 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
1166 pllx->params->ext_misc_reg[1]);
1167
1168 /* Configure dyn ramp state machine, disable lock override */
1169 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1170
1171 /* Set IDDQ */
1172 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
1173 pllx->params->ext_misc_reg[3]);
1174
1175 /* Disable SDM */
1176 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
1177 pllx->params->ext_misc_reg[4]);
1178 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1179 pllx->params->ext_misc_reg[5]);
1180 udelay(1);
1181 }
1182
1183 /* PLLMB */
tegra210_pllmb_set_defaults(struct tegra_clk_pll * pllmb)1184 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
1185 {
1186 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1187
1188 pllmb->params->defaults_set = true;
1189
1190 if (val & PLL_ENABLE) {
1191
1192 /*
1193 * PLL is ON: check if defaults already set, then set those
1194 * that can be updated in flight.
1195 */
1196 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1197 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
1198 _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
1199 ~mask & PLLMB_MISC1_WRITE_MASK);
1200
1201 if (!pllmb->params->defaults_set)
1202 pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
1203 /* Enable lock detect */
1204 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1205 val &= ~mask;
1206 val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
1207 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1208 udelay(1);
1209
1210 return;
1211 }
1212
1213 /* set IDDQ, enable lock detect */
1214 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
1215 clk_base + pllmb->params->ext_misc_reg[0]);
1216 udelay(1);
1217 }
1218
1219 /*
1220 * PLLP
1221 * VCO is exposed to the clock tree directly along with post-divider output.
1222 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1223 * respectively.
1224 */
pllp_check_defaults(struct tegra_clk_pll * pll,bool enabled)1225 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1226 {
1227 u32 val, mask;
1228
1229 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1230 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1231 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1232 if (!enabled)
1233 mask |= PLLP_MISC0_IDDQ;
1234 _pll_misc_chk_default(clk_base, pll->params, 0, val,
1235 ~mask & PLLP_MISC0_WRITE_MASK);
1236
1237 /* Ignore branch controls */
1238 val = PLLP_MISC1_DEFAULT_VALUE;
1239 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1240 _pll_misc_chk_default(clk_base, pll->params, 1, val,
1241 ~mask & PLLP_MISC1_WRITE_MASK);
1242 }
1243
tegra210_pllp_set_defaults(struct tegra_clk_pll * pllp)1244 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
1245 {
1246 u32 mask;
1247 u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1248
1249 pllp->params->defaults_set = true;
1250
1251 if (val & PLL_ENABLE) {
1252
1253 /*
1254 * PLL is ON: check if defaults already set, then set those
1255 * that can be updated in flight.
1256 */
1257 pllp_check_defaults(pllp, true);
1258 if (!pllp->params->defaults_set)
1259 pr_warn("PLL_P already enabled. Postponing set full defaults\n");
1260
1261 /* Enable lock detect */
1262 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1263 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1264 val &= ~mask;
1265 val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1266 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1267 udelay(1);
1268
1269 return;
1270 }
1271
1272 /* set IDDQ, enable lock detect */
1273 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1274 clk_base + pllp->params->ext_misc_reg[0]);
1275
1276 /* Preserve branch control */
1277 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1278 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1279 val &= mask;
1280 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1281 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1282 udelay(1);
1283 }
1284
1285 /*
1286 * PLLU
1287 * VCO is exposed to the clock tree directly along with post-divider output.
1288 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1289 * respectively.
1290 */
pllu_check_defaults(struct tegra_clk_pll_params * params,bool hw_control)1291 static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1292 bool hw_control)
1293 {
1294 u32 val, mask;
1295
1296 /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1297 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1298 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1299 _pll_misc_chk_default(clk_base, params, 0, val,
1300 ~mask & PLLU_MISC0_WRITE_MASK);
1301
1302 val = PLLU_MISC1_DEFAULT_VALUE;
1303 mask = PLLU_MISC1_LOCK_OVERRIDE;
1304 _pll_misc_chk_default(clk_base, params, 1, val,
1305 ~mask & PLLU_MISC1_WRITE_MASK);
1306 }
1307
tegra210_pllu_set_defaults(struct tegra_clk_pll_params * pllu)1308 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
1309 {
1310 u32 val = readl_relaxed(clk_base + pllu->base_reg);
1311
1312 pllu->defaults_set = true;
1313
1314 if (val & PLL_ENABLE) {
1315
1316 /*
1317 * PLL is ON: check if defaults already set, then set those
1318 * that can be updated in flight.
1319 */
1320 pllu_check_defaults(pllu, false);
1321 if (!pllu->defaults_set)
1322 pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1323
1324 /* Enable lock detect */
1325 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
1326 val &= ~PLLU_MISC0_LOCK_ENABLE;
1327 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1328 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
1329
1330 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
1331 val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1332 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1333 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
1334 udelay(1);
1335
1336 return;
1337 }
1338
1339 /* set IDDQ, enable lock detect */
1340 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1341 clk_base + pllu->ext_misc_reg[0]);
1342 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1343 clk_base + pllu->ext_misc_reg[1]);
1344 udelay(1);
1345 }
1346
1347 #define mask(w) ((1 << (w)) - 1)
1348 #define divm_mask(p) mask(p->params->div_nmp->divm_width)
1349 #define divn_mask(p) mask(p->params->div_nmp->divn_width)
1350 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1351 mask(p->params->div_nmp->divp_width))
1352
1353 #define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1354 #define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1355 #define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1356
1357 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1358 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1359 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1360
1361 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */
tegra210_wait_for_mask(struct tegra_clk_pll * pll,u32 reg,u32 mask)1362 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1363 u32 reg, u32 mask)
1364 {
1365 int i;
1366 u32 val = 0;
1367
1368 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1369 udelay(PLL_LOCKDET_DELAY);
1370 val = readl_relaxed(clk_base + reg);
1371 if ((val & mask) == mask) {
1372 udelay(PLL_LOCKDET_DELAY);
1373 return 0;
1374 }
1375 }
1376 return -ETIMEDOUT;
1377 }
1378
tegra210_pllx_dyn_ramp(struct tegra_clk_pll * pllx,struct tegra_clk_pll_freq_table * cfg)1379 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1380 struct tegra_clk_pll_freq_table *cfg)
1381 {
1382 u32 val, base, ndiv_new_mask;
1383
1384 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1385 << PLLX_MISC2_NDIV_NEW_SHIFT;
1386
1387 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1388 val &= (~ndiv_new_mask);
1389 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1390 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1391 udelay(1);
1392
1393 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1394 val |= PLLX_MISC2_EN_DYNRAMP;
1395 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1396 udelay(1);
1397
1398 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1399 PLLX_MISC2_DYNRAMP_DONE);
1400
1401 base = readl_relaxed(clk_base + pllx->params->base_reg) &
1402 (~divn_mask_shifted(pllx));
1403 base |= cfg->n << pllx->params->div_nmp->divn_shift;
1404 writel_relaxed(base, clk_base + pllx->params->base_reg);
1405 udelay(1);
1406
1407 val &= ~PLLX_MISC2_EN_DYNRAMP;
1408 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1409 udelay(1);
1410
1411 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1412 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1413 cfg->input_rate / cfg->m * cfg->n /
1414 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1415
1416 return 0;
1417 }
1418
1419 /*
1420 * Common configuration for PLLs with fixed input divider policy:
1421 * - always set fixed M-value based on the reference rate
1422 * - always set P-value value 1:1 for output rates above VCO minimum, and
1423 * choose minimum necessary P-value for output rates below VCO maximum
1424 * - calculate N-value based on selected M and P
1425 * - calculate SDM_DIN fractional part
1426 */
tegra210_pll_fixed_mdiv_cfg(struct clk_hw * hw,struct tegra_clk_pll_freq_table * cfg,unsigned long rate,unsigned long input_rate)1427 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1428 struct tegra_clk_pll_freq_table *cfg,
1429 unsigned long rate, unsigned long input_rate)
1430 {
1431 struct tegra_clk_pll *pll = to_clk_pll(hw);
1432 struct tegra_clk_pll_params *params = pll->params;
1433 int p;
1434 unsigned long cf, p_rate;
1435 u32 pdiv;
1436
1437 if (!rate)
1438 return -EINVAL;
1439
1440 if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1441 p = DIV_ROUND_UP(params->vco_min, rate);
1442 p = params->round_p_to_pdiv(p, &pdiv);
1443 } else {
1444 p = rate >= params->vco_min ? 1 : -EINVAL;
1445 }
1446
1447 if (p < 0)
1448 return -EINVAL;
1449
1450 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1451 cfg->p = p;
1452
1453 /* Store P as HW value, as that is what is expected */
1454 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1455
1456 p_rate = rate * p;
1457 if (p_rate > params->vco_max)
1458 p_rate = params->vco_max;
1459 cf = input_rate / cfg->m;
1460 cfg->n = p_rate / cf;
1461
1462 cfg->sdm_data = 0;
1463 cfg->output_rate = input_rate;
1464 if (params->sdm_ctrl_reg) {
1465 unsigned long rem = p_rate - cf * cfg->n;
1466 /* If ssc is enabled SDM enabled as well, even for integer n */
1467 if (rem || params->ssc_ctrl_reg) {
1468 u64 s = rem * PLL_SDM_COEFF;
1469
1470 do_div(s, cf);
1471 s -= PLL_SDM_COEFF / 2;
1472 cfg->sdm_data = sdin_din_to_data(s);
1473 }
1474 cfg->output_rate *= sdin_get_n_eff(cfg);
1475 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1476 } else {
1477 cfg->output_rate *= cfg->n;
1478 cfg->output_rate /= p * cfg->m;
1479 }
1480
1481 cfg->input_rate = input_rate;
1482
1483 return 0;
1484 }
1485
1486 /*
1487 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1488 *
1489 * @cfg: struct tegra_clk_pll_freq_table * cfg
1490 *
1491 * For Normal mode:
1492 * Fvco = Fref * NDIV / MDIV
1493 *
1494 * For fractional mode:
1495 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1496 */
tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table * cfg)1497 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1498 {
1499 cfg->n = sdin_get_n_eff(cfg);
1500 cfg->m *= PLL_SDM_COEFF;
1501 }
1502
1503 static unsigned long
tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params * params,unsigned long parent_rate)1504 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1505 unsigned long parent_rate)
1506 {
1507 unsigned long vco_min = params->vco_min;
1508
1509 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1510 vco_min = min(vco_min, params->vco_min);
1511
1512 return vco_min;
1513 }
1514
1515 static struct div_nmp pllx_nmp = {
1516 .divm_shift = 0,
1517 .divm_width = 8,
1518 .divn_shift = 8,
1519 .divn_width = 8,
1520 .divp_shift = 20,
1521 .divp_width = 5,
1522 };
1523 /*
1524 * PLL post divider maps - two types: quasi-linear and exponential
1525 * post divider.
1526 */
1527 #define PLL_QLIN_PDIV_MAX 16
1528 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1529 { .pdiv = 1, .hw_val = 0 },
1530 { .pdiv = 2, .hw_val = 1 },
1531 { .pdiv = 3, .hw_val = 2 },
1532 { .pdiv = 4, .hw_val = 3 },
1533 { .pdiv = 5, .hw_val = 4 },
1534 { .pdiv = 6, .hw_val = 5 },
1535 { .pdiv = 8, .hw_val = 6 },
1536 { .pdiv = 9, .hw_val = 7 },
1537 { .pdiv = 10, .hw_val = 8 },
1538 { .pdiv = 12, .hw_val = 9 },
1539 { .pdiv = 15, .hw_val = 10 },
1540 { .pdiv = 16, .hw_val = 11 },
1541 { .pdiv = 18, .hw_val = 12 },
1542 { .pdiv = 20, .hw_val = 13 },
1543 { .pdiv = 24, .hw_val = 14 },
1544 { .pdiv = 30, .hw_val = 15 },
1545 { .pdiv = 32, .hw_val = 16 },
1546 };
1547
pll_qlin_p_to_pdiv(u32 p,u32 * pdiv)1548 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1549 {
1550 int i;
1551
1552 if (p) {
1553 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1554 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1555 if (pdiv)
1556 *pdiv = i;
1557 return pll_qlin_pdiv_to_hw[i].pdiv;
1558 }
1559 }
1560 }
1561
1562 return -EINVAL;
1563 }
1564
1565 #define PLL_EXPO_PDIV_MAX 7
1566 static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1567 { .pdiv = 1, .hw_val = 0 },
1568 { .pdiv = 2, .hw_val = 1 },
1569 { .pdiv = 4, .hw_val = 2 },
1570 { .pdiv = 8, .hw_val = 3 },
1571 { .pdiv = 16, .hw_val = 4 },
1572 { .pdiv = 32, .hw_val = 5 },
1573 { .pdiv = 64, .hw_val = 6 },
1574 { .pdiv = 128, .hw_val = 7 },
1575 };
1576
pll_expo_p_to_pdiv(u32 p,u32 * pdiv)1577 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1578 {
1579 if (p) {
1580 u32 i = fls(p);
1581
1582 if (i == ffs(p))
1583 i--;
1584
1585 if (i <= PLL_EXPO_PDIV_MAX) {
1586 if (pdiv)
1587 *pdiv = i;
1588 return 1 << i;
1589 }
1590 }
1591 return -EINVAL;
1592 }
1593
1594 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1595 /* 1 GHz */
1596 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1597 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1598 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
1599 { 0, 0, 0, 0, 0, 0 },
1600 };
1601
1602 static struct tegra_clk_pll_params pll_x_params = {
1603 .input_min = 12000000,
1604 .input_max = 800000000,
1605 .cf_min = 12000000,
1606 .cf_max = 38400000,
1607 .vco_min = 1350000000,
1608 .vco_max = 3000000000UL,
1609 .base_reg = PLLX_BASE,
1610 .misc_reg = PLLX_MISC0,
1611 .lock_mask = PLL_BASE_LOCK,
1612 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1613 .lock_delay = 300,
1614 .ext_misc_reg[0] = PLLX_MISC0,
1615 .ext_misc_reg[1] = PLLX_MISC1,
1616 .ext_misc_reg[2] = PLLX_MISC2,
1617 .ext_misc_reg[3] = PLLX_MISC3,
1618 .ext_misc_reg[4] = PLLX_MISC4,
1619 .ext_misc_reg[5] = PLLX_MISC5,
1620 .iddq_reg = PLLX_MISC3,
1621 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1622 .max_p = PLL_QLIN_PDIV_MAX,
1623 .mdiv_default = 2,
1624 .dyn_ramp_reg = PLLX_MISC2,
1625 .stepa_shift = 16,
1626 .stepb_shift = 24,
1627 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1628 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1629 .div_nmp = &pllx_nmp,
1630 .freq_table = pll_x_freq_table,
1631 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1632 .dyn_ramp = tegra210_pllx_dyn_ramp,
1633 .set_defaults = tegra210_pllx_set_defaults,
1634 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1635 };
1636
1637 static struct div_nmp pllc_nmp = {
1638 .divm_shift = 0,
1639 .divm_width = 8,
1640 .divn_shift = 10,
1641 .divn_width = 8,
1642 .divp_shift = 20,
1643 .divp_width = 5,
1644 };
1645
1646 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1647 { 12000000, 510000000, 85, 1, 2, 0 },
1648 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1649 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
1650 { 0, 0, 0, 0, 0, 0 },
1651 };
1652
1653 static struct tegra_clk_pll_params pll_c_params = {
1654 .input_min = 12000000,
1655 .input_max = 700000000,
1656 .cf_min = 12000000,
1657 .cf_max = 50000000,
1658 .vco_min = 600000000,
1659 .vco_max = 1200000000,
1660 .base_reg = PLLC_BASE,
1661 .misc_reg = PLLC_MISC0,
1662 .lock_mask = PLL_BASE_LOCK,
1663 .lock_delay = 300,
1664 .iddq_reg = PLLC_MISC1,
1665 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1666 .reset_reg = PLLC_MISC0,
1667 .reset_bit_idx = PLLCX_RESET_BIT,
1668 .max_p = PLL_QLIN_PDIV_MAX,
1669 .ext_misc_reg[0] = PLLC_MISC0,
1670 .ext_misc_reg[1] = PLLC_MISC1,
1671 .ext_misc_reg[2] = PLLC_MISC2,
1672 .ext_misc_reg[3] = PLLC_MISC3,
1673 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1674 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1675 .mdiv_default = 3,
1676 .div_nmp = &pllc_nmp,
1677 .freq_table = pll_cx_freq_table,
1678 .flags = TEGRA_PLL_USE_LOCK,
1679 .set_defaults = _pllc_set_defaults,
1680 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1681 };
1682
1683 static struct div_nmp pllcx_nmp = {
1684 .divm_shift = 0,
1685 .divm_width = 8,
1686 .divn_shift = 10,
1687 .divn_width = 8,
1688 .divp_shift = 20,
1689 .divp_width = 5,
1690 };
1691
1692 static struct tegra_clk_pll_params pll_c2_params = {
1693 .input_min = 12000000,
1694 .input_max = 700000000,
1695 .cf_min = 12000000,
1696 .cf_max = 50000000,
1697 .vco_min = 600000000,
1698 .vco_max = 1200000000,
1699 .base_reg = PLLC2_BASE,
1700 .misc_reg = PLLC2_MISC0,
1701 .iddq_reg = PLLC2_MISC1,
1702 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1703 .reset_reg = PLLC2_MISC0,
1704 .reset_bit_idx = PLLCX_RESET_BIT,
1705 .lock_mask = PLLCX_BASE_LOCK,
1706 .lock_delay = 300,
1707 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1708 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1709 .mdiv_default = 3,
1710 .div_nmp = &pllcx_nmp,
1711 .max_p = PLL_QLIN_PDIV_MAX,
1712 .ext_misc_reg[0] = PLLC2_MISC0,
1713 .ext_misc_reg[1] = PLLC2_MISC1,
1714 .ext_misc_reg[2] = PLLC2_MISC2,
1715 .ext_misc_reg[3] = PLLC2_MISC3,
1716 .freq_table = pll_cx_freq_table,
1717 .flags = TEGRA_PLL_USE_LOCK,
1718 .set_defaults = _pllc2_set_defaults,
1719 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1720 };
1721
1722 static struct tegra_clk_pll_params pll_c3_params = {
1723 .input_min = 12000000,
1724 .input_max = 700000000,
1725 .cf_min = 12000000,
1726 .cf_max = 50000000,
1727 .vco_min = 600000000,
1728 .vco_max = 1200000000,
1729 .base_reg = PLLC3_BASE,
1730 .misc_reg = PLLC3_MISC0,
1731 .lock_mask = PLLCX_BASE_LOCK,
1732 .lock_delay = 300,
1733 .iddq_reg = PLLC3_MISC1,
1734 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1735 .reset_reg = PLLC3_MISC0,
1736 .reset_bit_idx = PLLCX_RESET_BIT,
1737 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1738 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1739 .mdiv_default = 3,
1740 .div_nmp = &pllcx_nmp,
1741 .max_p = PLL_QLIN_PDIV_MAX,
1742 .ext_misc_reg[0] = PLLC3_MISC0,
1743 .ext_misc_reg[1] = PLLC3_MISC1,
1744 .ext_misc_reg[2] = PLLC3_MISC2,
1745 .ext_misc_reg[3] = PLLC3_MISC3,
1746 .freq_table = pll_cx_freq_table,
1747 .flags = TEGRA_PLL_USE_LOCK,
1748 .set_defaults = _pllc3_set_defaults,
1749 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1750 };
1751
1752 static struct div_nmp pllss_nmp = {
1753 .divm_shift = 0,
1754 .divm_width = 8,
1755 .divn_shift = 8,
1756 .divn_width = 8,
1757 .divp_shift = 19,
1758 .divp_width = 5,
1759 };
1760
1761 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1762 { 12000000, 600000000, 50, 1, 1, 0 },
1763 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1764 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
1765 { 0, 0, 0, 0, 0, 0 },
1766 };
1767
1768 static const struct clk_div_table pll_vco_post_div_table[] = {
1769 { .val = 0, .div = 1 },
1770 { .val = 1, .div = 2 },
1771 { .val = 2, .div = 3 },
1772 { .val = 3, .div = 4 },
1773 { .val = 4, .div = 5 },
1774 { .val = 5, .div = 6 },
1775 { .val = 6, .div = 8 },
1776 { .val = 7, .div = 10 },
1777 { .val = 8, .div = 12 },
1778 { .val = 9, .div = 16 },
1779 { .val = 10, .div = 12 },
1780 { .val = 11, .div = 16 },
1781 { .val = 12, .div = 20 },
1782 { .val = 13, .div = 24 },
1783 { .val = 14, .div = 32 },
1784 { .val = 0, .div = 0 },
1785 };
1786
1787 static struct tegra_clk_pll_params pll_c4_vco_params = {
1788 .input_min = 9600000,
1789 .input_max = 800000000,
1790 .cf_min = 9600000,
1791 .cf_max = 19200000,
1792 .vco_min = 500000000,
1793 .vco_max = 1080000000,
1794 .base_reg = PLLC4_BASE,
1795 .misc_reg = PLLC4_MISC0,
1796 .lock_mask = PLL_BASE_LOCK,
1797 .lock_delay = 300,
1798 .max_p = PLL_QLIN_PDIV_MAX,
1799 .ext_misc_reg[0] = PLLC4_MISC0,
1800 .iddq_reg = PLLC4_BASE,
1801 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1802 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1803 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1804 .mdiv_default = 3,
1805 .div_nmp = &pllss_nmp,
1806 .freq_table = pll_c4_vco_freq_table,
1807 .set_defaults = tegra210_pllc4_set_defaults,
1808 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1809 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1810 };
1811
1812 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1813 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
1814 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
1815 { 38400000, 297600000, 93, 4, 3, 0 },
1816 { 38400000, 400000000, 125, 4, 3, 0 },
1817 { 38400000, 532800000, 111, 4, 2, 0 },
1818 { 38400000, 665600000, 104, 3, 2, 0 },
1819 { 38400000, 800000000, 125, 3, 2, 0 },
1820 { 38400000, 931200000, 97, 4, 1, 0 },
1821 { 38400000, 1065600000, 111, 4, 1, 0 },
1822 { 38400000, 1200000000, 125, 4, 1, 0 },
1823 { 38400000, 1331200000, 104, 3, 1, 0 },
1824 { 38400000, 1459200000, 76, 2, 1, 0 },
1825 { 38400000, 1600000000, 125, 3, 1, 0 },
1826 { 0, 0, 0, 0, 0, 0 },
1827 };
1828
1829 static struct div_nmp pllm_nmp = {
1830 .divm_shift = 0,
1831 .divm_width = 8,
1832 .override_divm_shift = 0,
1833 .divn_shift = 8,
1834 .divn_width = 8,
1835 .override_divn_shift = 8,
1836 .divp_shift = 20,
1837 .divp_width = 5,
1838 .override_divp_shift = 27,
1839 };
1840
1841 static struct tegra_clk_pll_params pll_m_params = {
1842 .input_min = 9600000,
1843 .input_max = 500000000,
1844 .cf_min = 9600000,
1845 .cf_max = 19200000,
1846 .vco_min = 800000000,
1847 .vco_max = 1866000000,
1848 .base_reg = PLLM_BASE,
1849 .misc_reg = PLLM_MISC2,
1850 .lock_mask = PLL_BASE_LOCK,
1851 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1852 .lock_delay = 300,
1853 .iddq_reg = PLLM_MISC2,
1854 .iddq_bit_idx = PLLM_IDDQ_BIT,
1855 .max_p = PLL_QLIN_PDIV_MAX,
1856 .ext_misc_reg[0] = PLLM_MISC2,
1857 .ext_misc_reg[1] = PLLM_MISC1,
1858 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1859 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1860 .div_nmp = &pllm_nmp,
1861 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1862 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1863 .freq_table = pll_m_freq_table,
1864 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1865 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1866 };
1867
1868 static struct tegra_clk_pll_params pll_mb_params = {
1869 .input_min = 9600000,
1870 .input_max = 500000000,
1871 .cf_min = 9600000,
1872 .cf_max = 19200000,
1873 .vco_min = 800000000,
1874 .vco_max = 1866000000,
1875 .base_reg = PLLMB_BASE,
1876 .misc_reg = PLLMB_MISC1,
1877 .lock_mask = PLL_BASE_LOCK,
1878 .lock_delay = 300,
1879 .iddq_reg = PLLMB_MISC1,
1880 .iddq_bit_idx = PLLMB_IDDQ_BIT,
1881 .max_p = PLL_QLIN_PDIV_MAX,
1882 .ext_misc_reg[0] = PLLMB_MISC1,
1883 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1884 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1885 .div_nmp = &pllm_nmp,
1886 .freq_table = pll_m_freq_table,
1887 .flags = TEGRA_PLL_USE_LOCK,
1888 .set_defaults = tegra210_pllmb_set_defaults,
1889 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1890 };
1891
1892
1893 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1894 /* PLLE special case: use cpcon field to store cml divider value */
1895 { 672000000, 100000000, 125, 42, 0, 13 },
1896 { 624000000, 100000000, 125, 39, 0, 13 },
1897 { 336000000, 100000000, 125, 21, 0, 13 },
1898 { 312000000, 100000000, 200, 26, 0, 14 },
1899 { 38400000, 100000000, 125, 2, 0, 14 },
1900 { 12000000, 100000000, 200, 1, 0, 14 },
1901 { 0, 0, 0, 0, 0, 0 },
1902 };
1903
1904 static struct div_nmp plle_nmp = {
1905 .divm_shift = 0,
1906 .divm_width = 8,
1907 .divn_shift = 8,
1908 .divn_width = 8,
1909 .divp_shift = 24,
1910 .divp_width = 5,
1911 };
1912
1913 static struct tegra_clk_pll_params pll_e_params = {
1914 .input_min = 12000000,
1915 .input_max = 800000000,
1916 .cf_min = 12000000,
1917 .cf_max = 38400000,
1918 .vco_min = 1600000000,
1919 .vco_max = 2500000000U,
1920 .base_reg = PLLE_BASE,
1921 .misc_reg = PLLE_MISC0,
1922 .aux_reg = PLLE_AUX,
1923 .lock_mask = PLLE_MISC_LOCK,
1924 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1925 .lock_delay = 300,
1926 .div_nmp = &plle_nmp,
1927 .freq_table = pll_e_freq_table,
1928 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1929 TEGRA_PLL_HAS_LOCK_ENABLE,
1930 .fixed_rate = 100000000,
1931 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1932 };
1933
1934 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1935 { 12000000, 672000000, 56, 1, 1, 0 },
1936 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1937 { 38400000, 672000000, 70, 4, 1, 0 },
1938 { 0, 0, 0, 0, 0, 0 },
1939 };
1940
1941 static struct div_nmp pllre_nmp = {
1942 .divm_shift = 0,
1943 .divm_width = 8,
1944 .divn_shift = 8,
1945 .divn_width = 8,
1946 .divp_shift = 16,
1947 .divp_width = 5,
1948 };
1949
1950 static struct tegra_clk_pll_params pll_re_vco_params = {
1951 .input_min = 9600000,
1952 .input_max = 800000000,
1953 .cf_min = 9600000,
1954 .cf_max = 19200000,
1955 .vco_min = 350000000,
1956 .vco_max = 700000000,
1957 .base_reg = PLLRE_BASE,
1958 .misc_reg = PLLRE_MISC0,
1959 .lock_mask = PLLRE_MISC_LOCK,
1960 .lock_delay = 300,
1961 .max_p = PLL_QLIN_PDIV_MAX,
1962 .ext_misc_reg[0] = PLLRE_MISC0,
1963 .iddq_reg = PLLRE_MISC0,
1964 .iddq_bit_idx = PLLRE_IDDQ_BIT,
1965 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1966 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1967 .div_nmp = &pllre_nmp,
1968 .freq_table = pll_re_vco_freq_table,
1969 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
1970 .set_defaults = tegra210_pllre_set_defaults,
1971 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1972 };
1973
1974 static struct div_nmp pllp_nmp = {
1975 .divm_shift = 0,
1976 .divm_width = 8,
1977 .divn_shift = 10,
1978 .divn_width = 8,
1979 .divp_shift = 20,
1980 .divp_width = 5,
1981 };
1982
1983 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1984 { 12000000, 408000000, 34, 1, 1, 0 },
1985 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
1986 { 0, 0, 0, 0, 0, 0 },
1987 };
1988
1989 static struct tegra_clk_pll_params pll_p_params = {
1990 .input_min = 9600000,
1991 .input_max = 800000000,
1992 .cf_min = 9600000,
1993 .cf_max = 19200000,
1994 .vco_min = 350000000,
1995 .vco_max = 700000000,
1996 .base_reg = PLLP_BASE,
1997 .misc_reg = PLLP_MISC0,
1998 .lock_mask = PLL_BASE_LOCK,
1999 .lock_delay = 300,
2000 .iddq_reg = PLLP_MISC0,
2001 .iddq_bit_idx = PLLXP_IDDQ_BIT,
2002 .ext_misc_reg[0] = PLLP_MISC0,
2003 .ext_misc_reg[1] = PLLP_MISC1,
2004 .div_nmp = &pllp_nmp,
2005 .freq_table = pll_p_freq_table,
2006 .fixed_rate = 408000000,
2007 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2008 .set_defaults = tegra210_pllp_set_defaults,
2009 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2010 };
2011
2012 static struct tegra_clk_pll_params pll_a1_params = {
2013 .input_min = 12000000,
2014 .input_max = 700000000,
2015 .cf_min = 12000000,
2016 .cf_max = 50000000,
2017 .vco_min = 600000000,
2018 .vco_max = 1200000000,
2019 .base_reg = PLLA1_BASE,
2020 .misc_reg = PLLA1_MISC0,
2021 .lock_mask = PLLCX_BASE_LOCK,
2022 .lock_delay = 300,
2023 .iddq_reg = PLLA1_MISC1,
2024 .iddq_bit_idx = PLLCX_IDDQ_BIT,
2025 .reset_reg = PLLA1_MISC0,
2026 .reset_bit_idx = PLLCX_RESET_BIT,
2027 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2028 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2029 .div_nmp = &pllc_nmp,
2030 .ext_misc_reg[0] = PLLA1_MISC0,
2031 .ext_misc_reg[1] = PLLA1_MISC1,
2032 .ext_misc_reg[2] = PLLA1_MISC2,
2033 .ext_misc_reg[3] = PLLA1_MISC3,
2034 .freq_table = pll_cx_freq_table,
2035 .flags = TEGRA_PLL_USE_LOCK,
2036 .set_defaults = _plla1_set_defaults,
2037 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2038 };
2039
2040 static struct div_nmp plla_nmp = {
2041 .divm_shift = 0,
2042 .divm_width = 8,
2043 .divn_shift = 8,
2044 .divn_width = 8,
2045 .divp_shift = 20,
2046 .divp_width = 5,
2047 };
2048
2049 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
2050 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
2051 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
2052 { 12000000, 240000000, 60, 1, 3, 1, 0 },
2053 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
2054 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
2055 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */
2056 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
2057 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
2058 { 38400000, 240000000, 75, 3, 3, 1, 0 },
2059 { 0, 0, 0, 0, 0, 0, 0 },
2060 };
2061
2062 static struct tegra_clk_pll_params pll_a_params = {
2063 .input_min = 12000000,
2064 .input_max = 800000000,
2065 .cf_min = 12000000,
2066 .cf_max = 19200000,
2067 .vco_min = 500000000,
2068 .vco_max = 1000000000,
2069 .base_reg = PLLA_BASE,
2070 .misc_reg = PLLA_MISC0,
2071 .lock_mask = PLL_BASE_LOCK,
2072 .lock_delay = 300,
2073 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2074 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2075 .iddq_reg = PLLA_BASE,
2076 .iddq_bit_idx = PLLA_IDDQ_BIT,
2077 .div_nmp = &plla_nmp,
2078 .sdm_din_reg = PLLA_MISC1,
2079 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2080 .sdm_ctrl_reg = PLLA_MISC2,
2081 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
2082 .ext_misc_reg[0] = PLLA_MISC0,
2083 .ext_misc_reg[1] = PLLA_MISC1,
2084 .ext_misc_reg[2] = PLLA_MISC2,
2085 .freq_table = pll_a_freq_table,
2086 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
2087 .set_defaults = tegra210_plla_set_defaults,
2088 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2089 .set_gain = tegra210_clk_pll_set_gain,
2090 .adjust_vco = tegra210_clk_adjust_vco_min,
2091 };
2092
2093 static struct div_nmp plld_nmp = {
2094 .divm_shift = 0,
2095 .divm_width = 8,
2096 .divn_shift = 11,
2097 .divn_width = 8,
2098 .divp_shift = 20,
2099 .divp_width = 3,
2100 };
2101
2102 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
2103 { 12000000, 594000000, 99, 1, 2, 0, 0 },
2104 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2105 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2106 { 0, 0, 0, 0, 0, 0, 0 },
2107 };
2108
2109 static struct tegra_clk_pll_params pll_d_params = {
2110 .input_min = 12000000,
2111 .input_max = 800000000,
2112 .cf_min = 12000000,
2113 .cf_max = 38400000,
2114 .vco_min = 750000000,
2115 .vco_max = 1500000000,
2116 .base_reg = PLLD_BASE,
2117 .misc_reg = PLLD_MISC0,
2118 .lock_mask = PLL_BASE_LOCK,
2119 .lock_delay = 1000,
2120 .iddq_reg = PLLD_MISC0,
2121 .iddq_bit_idx = PLLD_IDDQ_BIT,
2122 .round_p_to_pdiv = pll_expo_p_to_pdiv,
2123 .pdiv_tohw = pll_expo_pdiv_to_hw,
2124 .div_nmp = &plld_nmp,
2125 .sdm_din_reg = PLLD_MISC0,
2126 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2127 .sdm_ctrl_reg = PLLD_MISC0,
2128 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
2129 .ext_misc_reg[0] = PLLD_MISC0,
2130 .ext_misc_reg[1] = PLLD_MISC1,
2131 .freq_table = pll_d_freq_table,
2132 .flags = TEGRA_PLL_USE_LOCK,
2133 .mdiv_default = 1,
2134 .set_defaults = tegra210_plld_set_defaults,
2135 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2136 .set_gain = tegra210_clk_pll_set_gain,
2137 .adjust_vco = tegra210_clk_adjust_vco_min,
2138 };
2139
2140 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
2141 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
2142 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2143 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2144 { 0, 0, 0, 0, 0, 0, 0 },
2145 };
2146
2147 /* s/w policy, always tegra_pll_ref */
2148 static struct tegra_clk_pll_params pll_d2_params = {
2149 .input_min = 12000000,
2150 .input_max = 800000000,
2151 .cf_min = 12000000,
2152 .cf_max = 38400000,
2153 .vco_min = 750000000,
2154 .vco_max = 1500000000,
2155 .base_reg = PLLD2_BASE,
2156 .misc_reg = PLLD2_MISC0,
2157 .lock_mask = PLL_BASE_LOCK,
2158 .lock_delay = 300,
2159 .iddq_reg = PLLD2_BASE,
2160 .iddq_bit_idx = PLLSS_IDDQ_BIT,
2161 .sdm_din_reg = PLLD2_MISC3,
2162 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2163 .sdm_ctrl_reg = PLLD2_MISC1,
2164 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
2165 /* disable spread-spectrum for pll_d2 */
2166 .ssc_ctrl_reg = 0,
2167 .ssc_ctrl_en_mask = 0,
2168 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2169 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2170 .div_nmp = &pllss_nmp,
2171 .ext_misc_reg[0] = PLLD2_MISC0,
2172 .ext_misc_reg[1] = PLLD2_MISC1,
2173 .ext_misc_reg[2] = PLLD2_MISC2,
2174 .ext_misc_reg[3] = PLLD2_MISC3,
2175 .max_p = PLL_QLIN_PDIV_MAX,
2176 .mdiv_default = 1,
2177 .freq_table = tegra210_pll_d2_freq_table,
2178 .set_defaults = tegra210_plld2_set_defaults,
2179 .flags = TEGRA_PLL_USE_LOCK,
2180 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2181 .set_gain = tegra210_clk_pll_set_gain,
2182 .adjust_vco = tegra210_clk_adjust_vco_min,
2183 };
2184
2185 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
2186 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2187 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2188 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
2189 { 0, 0, 0, 0, 0, 0, 0 },
2190 };
2191
2192 static struct tegra_clk_pll_params pll_dp_params = {
2193 .input_min = 12000000,
2194 .input_max = 800000000,
2195 .cf_min = 12000000,
2196 .cf_max = 38400000,
2197 .vco_min = 750000000,
2198 .vco_max = 1500000000,
2199 .base_reg = PLLDP_BASE,
2200 .misc_reg = PLLDP_MISC,
2201 .lock_mask = PLL_BASE_LOCK,
2202 .lock_delay = 300,
2203 .iddq_reg = PLLDP_BASE,
2204 .iddq_bit_idx = PLLSS_IDDQ_BIT,
2205 .sdm_din_reg = PLLDP_SS_CTRL2,
2206 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2207 .sdm_ctrl_reg = PLLDP_SS_CFG,
2208 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2209 .ssc_ctrl_reg = PLLDP_SS_CFG,
2210 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2211 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2212 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2213 .div_nmp = &pllss_nmp,
2214 .ext_misc_reg[0] = PLLDP_MISC,
2215 .ext_misc_reg[1] = PLLDP_SS_CFG,
2216 .ext_misc_reg[2] = PLLDP_SS_CTRL1,
2217 .ext_misc_reg[3] = PLLDP_SS_CTRL2,
2218 .max_p = PLL_QLIN_PDIV_MAX,
2219 .mdiv_default = 1,
2220 .freq_table = pll_dp_freq_table,
2221 .set_defaults = tegra210_plldp_set_defaults,
2222 .flags = TEGRA_PLL_USE_LOCK,
2223 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2224 .set_gain = tegra210_clk_pll_set_gain,
2225 .adjust_vco = tegra210_clk_adjust_vco_min,
2226 };
2227
2228 static struct div_nmp pllu_nmp = {
2229 .divm_shift = 0,
2230 .divm_width = 8,
2231 .divn_shift = 8,
2232 .divn_width = 8,
2233 .divp_shift = 16,
2234 .divp_width = 5,
2235 };
2236
2237 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
2238 { 12000000, 480000000, 40, 1, 1, 0 },
2239 { 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */
2240 { 38400000, 480000000, 25, 2, 1, 0 },
2241 { 0, 0, 0, 0, 0, 0 },
2242 };
2243
2244 static struct tegra_clk_pll_params pll_u_vco_params = {
2245 .input_min = 9600000,
2246 .input_max = 800000000,
2247 .cf_min = 9600000,
2248 .cf_max = 19200000,
2249 .vco_min = 350000000,
2250 .vco_max = 700000000,
2251 .base_reg = PLLU_BASE,
2252 .misc_reg = PLLU_MISC0,
2253 .lock_mask = PLL_BASE_LOCK,
2254 .lock_delay = 1000,
2255 .iddq_reg = PLLU_MISC0,
2256 .iddq_bit_idx = PLLU_IDDQ_BIT,
2257 .ext_misc_reg[0] = PLLU_MISC0,
2258 .ext_misc_reg[1] = PLLU_MISC1,
2259 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2260 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2261 .div_nmp = &pllu_nmp,
2262 .freq_table = pll_u_freq_table,
2263 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2264 };
2265
2266 struct utmi_clk_param {
2267 /* Oscillator Frequency in KHz */
2268 u32 osc_frequency;
2269 /* UTMIP PLL Enable Delay Count */
2270 u8 enable_delay_count;
2271 /* UTMIP PLL Stable count */
2272 u16 stable_count;
2273 /* UTMIP PLL Active delay count */
2274 u8 active_delay_count;
2275 /* UTMIP PLL Xtal frequency count */
2276 u16 xtal_freq_count;
2277 };
2278
2279 static const struct utmi_clk_param utmi_parameters[] = {
2280 {
2281 .osc_frequency = 38400000, .enable_delay_count = 0x0,
2282 .stable_count = 0x0, .active_delay_count = 0x6,
2283 .xtal_freq_count = 0x80
2284 }, {
2285 .osc_frequency = 13000000, .enable_delay_count = 0x02,
2286 .stable_count = 0x33, .active_delay_count = 0x05,
2287 .xtal_freq_count = 0x7f
2288 }, {
2289 .osc_frequency = 19200000, .enable_delay_count = 0x03,
2290 .stable_count = 0x4b, .active_delay_count = 0x06,
2291 .xtal_freq_count = 0xbb
2292 }, {
2293 .osc_frequency = 12000000, .enable_delay_count = 0x02,
2294 .stable_count = 0x2f, .active_delay_count = 0x08,
2295 .xtal_freq_count = 0x76
2296 }, {
2297 .osc_frequency = 26000000, .enable_delay_count = 0x04,
2298 .stable_count = 0x66, .active_delay_count = 0x09,
2299 .xtal_freq_count = 0xfe
2300 }, {
2301 .osc_frequency = 16800000, .enable_delay_count = 0x03,
2302 .stable_count = 0x41, .active_delay_count = 0x0a,
2303 .xtal_freq_count = 0xa4
2304 },
2305 };
2306
2307 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2308 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2309 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2310 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2311 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2312 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2313 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2314 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2315 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2316 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2317 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2318 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2319 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2320 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2321 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2322 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2323 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2324 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2325 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2326 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2327 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2328 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2329 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2330 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2331 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2332 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2333 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2334 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2335 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2336 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2337 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2338 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2339 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2340 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2341 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2342 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2343 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2344 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2345 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2346 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2347 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2348 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2349 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2350 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2351 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2352 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2353 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2354 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2355 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2356 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2357 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2358 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2359 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2360 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2361 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2362 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2363 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2364 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2365 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2366 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2367 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2368 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2369 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2370 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2371 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2372 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2373 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2374 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2375 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2376 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2377 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
2378 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2379 [tegra_clk_sor0_out] = { .dt_id = TEGRA210_CLK_SOR0_OUT, .present = true },
2380 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2381 [tegra_clk_sor1_out] = { .dt_id = TEGRA210_CLK_SOR1_OUT, .present = true },
2382 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2383 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2384 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2385 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2386 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2387 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2388 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2389 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2390 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2391 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2392 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2393 [tegra_clk_osc] = { .dt_id = TEGRA210_CLK_OSC, .present = true },
2394 [tegra_clk_osc_div2] = { .dt_id = TEGRA210_CLK_OSC_DIV2, .present = true },
2395 [tegra_clk_osc_div4] = { .dt_id = TEGRA210_CLK_OSC_DIV4, .present = true },
2396 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2397 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2398 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2399 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2400 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2401 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2402 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2403 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2404 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2405 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2406 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2407 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2408 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2409 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2410 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2411 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2412 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2413 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2414 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2415 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2416 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2417 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2418 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2419 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2420 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2421 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2422 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2423 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2424 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2425 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2426 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2427 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2428 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2429 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2430 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2431 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2432 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2433 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2434 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2435 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2436 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2437 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2438 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2439 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2440 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2441 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2442 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2443 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2444 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2445 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2446 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2447 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2448 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2449 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2450 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2451 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2452 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2453 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2454 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2455 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2456 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2457 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2458 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2459 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2460 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2461 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2462 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2463 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2464 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2465 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2466 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2467 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2468 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2469 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2470 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2471 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2472 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2473 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2474 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2475 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2476 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2477 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2478 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2479 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2480 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2481 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2482 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2483 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2484 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2485 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2486 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
2487 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
2488 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
2489 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
2490 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
2491 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2492 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2493 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
2494 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2495 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2496 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2497 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2498 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2499 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
2500 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2501 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2502 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2503 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2504 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2505 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2506 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
2507 };
2508
2509 static struct tegra_devclk devclks[] __initdata = {
2510 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2511 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2512 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2513 { .con_id = "osc", .dt_id = TEGRA210_CLK_OSC },
2514 { .con_id = "osc_div2", .dt_id = TEGRA210_CLK_OSC_DIV2 },
2515 { .con_id = "osc_div4", .dt_id = TEGRA210_CLK_OSC_DIV4 },
2516 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2517 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2518 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2519 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2520 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2521 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2522 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2523 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2524 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2525 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2526 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2527 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2528 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2529 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2530 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2531 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2532 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2533 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2534 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2535 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2536 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2537 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2538 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2539 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2540 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2541 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2542 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2543 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2544 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2545 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2546 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2547 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2548 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2549 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2550 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2551 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2552 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2553 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2554 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2555 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2556 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2557 { .con_id = "extern1", .dt_id = TEGRA210_CLK_EXTERN1 },
2558 { .con_id = "extern2", .dt_id = TEGRA210_CLK_EXTERN2 },
2559 { .con_id = "extern3", .dt_id = TEGRA210_CLK_EXTERN3 },
2560 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2561 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2562 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2563 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2564 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2565 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2566 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2567 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2568 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2569 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2570 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2571 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2572 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2573 };
2574
2575 static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2576 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2577 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2578 };
2579
2580 static const char * const aclk_parents[] = {
2581 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2582 "clk_m"
2583 };
2584
2585 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC };
2586 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG };
2587 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X,
2588 TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 };
2589 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA,
2590 TEGRA210_CLK_HOST1X};
2591 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2592 TEGRA210_CLK_XUSB_DEV };
2593 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2594 TEGRA210_CLK_XUSB_SS };
2595 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV,
2596 TEGRA210_CLK_XUSB_SS };
2597 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X,
2598 TEGRA210_CLK_PLL_D };
2599 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK,
2600 TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2,
2601 TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT,
2602 TEGRA210_CLK_D_AUDIO };
2603 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X };
2604
2605 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = {
2606 [TEGRA_POWERGATE_VENC] = {
2607 .handle_lvl2_ovr = tegra210_venc_mbist_war,
2608 .num_clks = ARRAY_SIZE(venc_slcg_clkids),
2609 .clk_init_data = venc_slcg_clkids,
2610 },
2611 [TEGRA_POWERGATE_SATA] = {
2612 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2613 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2614 .lvl2_mask = BIT(0) | BIT(17) | BIT(19),
2615 },
2616 [TEGRA_POWERGATE_MPE] = {
2617 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2618 .lvl2_offset = LVL2_CLK_GATE_OVRE,
2619 .lvl2_mask = BIT(29),
2620 },
2621 [TEGRA_POWERGATE_SOR] = {
2622 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2623 .num_clks = ARRAY_SIZE(sor_slcg_clkids),
2624 .clk_init_data = sor_slcg_clkids,
2625 .lvl2_offset = LVL2_CLK_GATE_OVRA,
2626 .lvl2_mask = BIT(1) | BIT(2),
2627 },
2628 [TEGRA_POWERGATE_DIS] = {
2629 .handle_lvl2_ovr = tegra210_disp_mbist_war,
2630 .num_clks = ARRAY_SIZE(disp_slcg_clkids),
2631 .clk_init_data = disp_slcg_clkids,
2632 },
2633 [TEGRA_POWERGATE_DISB] = {
2634 .num_clks = ARRAY_SIZE(disp_slcg_clkids),
2635 .clk_init_data = disp_slcg_clkids,
2636 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2637 .lvl2_offset = LVL2_CLK_GATE_OVRA,
2638 .lvl2_mask = BIT(2),
2639 },
2640 [TEGRA_POWERGATE_XUSBA] = {
2641 .num_clks = ARRAY_SIZE(xusba_slcg_clkids),
2642 .clk_init_data = xusba_slcg_clkids,
2643 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2644 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2645 .lvl2_mask = BIT(30) | BIT(31),
2646 },
2647 [TEGRA_POWERGATE_XUSBB] = {
2648 .num_clks = ARRAY_SIZE(xusbb_slcg_clkids),
2649 .clk_init_data = xusbb_slcg_clkids,
2650 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2651 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2652 .lvl2_mask = BIT(30) | BIT(31),
2653 },
2654 [TEGRA_POWERGATE_XUSBC] = {
2655 .num_clks = ARRAY_SIZE(xusbc_slcg_clkids),
2656 .clk_init_data = xusbc_slcg_clkids,
2657 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2658 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2659 .lvl2_mask = BIT(30) | BIT(31),
2660 },
2661 [TEGRA_POWERGATE_VIC] = {
2662 .num_clks = ARRAY_SIZE(vic_slcg_clkids),
2663 .clk_init_data = vic_slcg_clkids,
2664 .handle_lvl2_ovr = tegra210_vic_mbist_war,
2665 },
2666 [TEGRA_POWERGATE_NVDEC] = {
2667 .num_clks = ARRAY_SIZE(nvdec_slcg_clkids),
2668 .clk_init_data = nvdec_slcg_clkids,
2669 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2670 .lvl2_offset = LVL2_CLK_GATE_OVRE,
2671 .lvl2_mask = BIT(9) | BIT(31),
2672 },
2673 [TEGRA_POWERGATE_NVJPG] = {
2674 .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids),
2675 .clk_init_data = nvjpg_slcg_clkids,
2676 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2677 .lvl2_offset = LVL2_CLK_GATE_OVRE,
2678 .lvl2_mask = BIT(9) | BIT(31),
2679 },
2680 [TEGRA_POWERGATE_AUD] = {
2681 .num_clks = ARRAY_SIZE(ape_slcg_clkids),
2682 .clk_init_data = ape_slcg_clkids,
2683 .handle_lvl2_ovr = tegra210_ape_mbist_war,
2684 },
2685 [TEGRA_POWERGATE_VE2] = {
2686 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2687 .lvl2_offset = LVL2_CLK_GATE_OVRD,
2688 .lvl2_mask = BIT(22),
2689 },
2690 };
2691
tegra210_clk_handle_mbist_war(unsigned int id)2692 int tegra210_clk_handle_mbist_war(unsigned int id)
2693 {
2694 int err;
2695 struct tegra210_domain_mbist_war *mbist_war;
2696
2697 if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) {
2698 WARN(1, "unknown domain id in MBIST WAR handler\n");
2699 return -EINVAL;
2700 }
2701
2702 mbist_war = &tegra210_pg_mbist_war[id];
2703 if (!mbist_war->handle_lvl2_ovr)
2704 return 0;
2705
2706 if (mbist_war->num_clks && !mbist_war->clks)
2707 return -ENODEV;
2708
2709 err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks);
2710 if (err < 0)
2711 return err;
2712
2713 mutex_lock(&lvl2_ovr_lock);
2714
2715 mbist_war->handle_lvl2_ovr(mbist_war);
2716
2717 mutex_unlock(&lvl2_ovr_lock);
2718
2719 clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks);
2720
2721 return 0;
2722 }
2723
tegra210_put_utmipll_in_iddq(void)2724 void tegra210_put_utmipll_in_iddq(void)
2725 {
2726 u32 reg;
2727
2728 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2729
2730 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2731 pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2732 return;
2733 }
2734
2735 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2736 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2737 }
2738 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2739
tegra210_put_utmipll_out_iddq(void)2740 void tegra210_put_utmipll_out_iddq(void)
2741 {
2742 u32 reg;
2743
2744 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2745 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2746 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2747 }
2748 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2749
tegra210_utmi_param_configure(void)2750 static void tegra210_utmi_param_configure(void)
2751 {
2752 u32 reg;
2753 int i;
2754
2755 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2756 if (osc_freq == utmi_parameters[i].osc_frequency)
2757 break;
2758 }
2759
2760 if (i >= ARRAY_SIZE(utmi_parameters)) {
2761 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2762 osc_freq);
2763 return;
2764 }
2765
2766 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2767 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2768 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2769
2770 udelay(10);
2771
2772 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2773
2774 /* Program UTMIP PLL stable and active counts */
2775 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2776 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2777 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2778
2779 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2780 reg |=
2781 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2782 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2783
2784 /* Program UTMIP PLL delay and oscillator frequency counts */
2785 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2786
2787 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2788 reg |=
2789 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2790
2791 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2792 reg |=
2793 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2794
2795 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2796 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2797
2798 /* Remove power downs from UTMIP PLL control bits */
2799 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2800 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2801 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2802 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2803
2804 udelay(20);
2805
2806 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2807 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2808 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2809 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2810 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2811 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2812 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2813 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2814 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2815
2816 /* Setup HW control of UTMIPLL */
2817 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2818 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2819 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2820 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2821
2822 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2823 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2824 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2825 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2826
2827 udelay(1);
2828
2829 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2830 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2831 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2832
2833 udelay(1);
2834
2835 /* Enable HW control UTMIPLL */
2836 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2837 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2838 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2839 }
2840
tegra210_enable_pllu(void)2841 static int tegra210_enable_pllu(void)
2842 {
2843 struct tegra_clk_pll_freq_table *fentry;
2844 struct tegra_clk_pll pllu;
2845 u32 reg;
2846 int ret;
2847
2848 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2849 if (fentry->input_rate == pll_ref_freq)
2850 break;
2851 }
2852
2853 if (!fentry->input_rate) {
2854 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2855 return -EINVAL;
2856 }
2857
2858 /* clear IDDQ bit */
2859 pllu.params = &pll_u_vco_params;
2860 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2861 reg &= ~BIT(pllu.params->iddq_bit_idx);
2862 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2863 fence_udelay(5, clk_base);
2864
2865 reg = readl_relaxed(clk_base + PLLU_BASE);
2866 reg &= ~GENMASK(20, 0);
2867 reg |= fentry->m;
2868 reg |= fentry->n << 8;
2869 reg |= fentry->p << 16;
2870 writel(reg, clk_base + PLLU_BASE);
2871 fence_udelay(1, clk_base);
2872 reg |= PLL_ENABLE;
2873 writel(reg, clk_base + PLLU_BASE);
2874
2875 /*
2876 * During clocks resume, same PLLU init and enable sequence get
2877 * executed. So, readx_poll_timeout_atomic can't be used here as it
2878 * uses ktime_get() and timekeeping resume doesn't happen by that
2879 * time. So, using tegra210_wait_for_mask for PLL LOCK.
2880 */
2881 ret = tegra210_wait_for_mask(&pllu, PLLU_BASE, PLL_BASE_LOCK);
2882 if (ret) {
2883 pr_err("Timed out waiting for PLL_U to lock\n");
2884 return -ETIMEDOUT;
2885 }
2886
2887 return 0;
2888 }
2889
tegra210_init_pllu(void)2890 static int tegra210_init_pllu(void)
2891 {
2892 u32 reg;
2893 int err;
2894
2895 tegra210_pllu_set_defaults(&pll_u_vco_params);
2896 /* skip initialization when pllu is in hw controlled mode */
2897 reg = readl_relaxed(clk_base + PLLU_BASE);
2898 if (reg & PLLU_BASE_OVERRIDE) {
2899 if (!(reg & PLL_ENABLE)) {
2900 err = tegra210_enable_pllu();
2901 if (err < 0) {
2902 WARN_ON(1);
2903 return err;
2904 }
2905 }
2906 /* enable hw controlled mode */
2907 reg = readl_relaxed(clk_base + PLLU_BASE);
2908 reg &= ~PLLU_BASE_OVERRIDE;
2909 writel(reg, clk_base + PLLU_BASE);
2910
2911 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2912 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2913 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2914 PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2915 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2916 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2917 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2918
2919 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2920 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2921 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2922 fence_udelay(1, clk_base);
2923
2924 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2925 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2926 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2927 fence_udelay(1, clk_base);
2928
2929 reg = readl_relaxed(clk_base + PLLU_BASE);
2930 reg &= ~PLLU_BASE_CLKENABLE_USB;
2931 writel_relaxed(reg, clk_base + PLLU_BASE);
2932 }
2933
2934 /* enable UTMIPLL hw control if not yet done by the bootloader */
2935 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2936 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2937 tegra210_utmi_param_configure();
2938
2939 return 0;
2940 }
2941
2942 /*
2943 * The SOR hardware blocks are driven by two clocks: a module clock that is
2944 * used to access registers and a pixel clock that is sourced from the same
2945 * pixel clock that also drives the head attached to the SOR. The module
2946 * clock is typically called sorX (with X being the SOR instance) and the
2947 * pixel clock is called sorX_out. The source for the SOR pixel clock is
2948 * referred to as the "parent" clock.
2949 *
2950 * On Tegra186 and newer, clocks are provided by the BPMP. Unfortunately the
2951 * BPMP implementation for the SOR clocks doesn't exactly match the above in
2952 * some aspects. For example, the SOR module is really clocked by the pad or
2953 * sor_safe clocks, but BPMP models the sorX clock as being sourced by the
2954 * pixel clocks. Conversely the sorX_out clock is sourced by the sor_safe or
2955 * pad clocks on BPMP.
2956 *
2957 * In order to allow the display driver to deal with all SoC generations in
2958 * a unified way, implement the BPMP semantics in this driver.
2959 */
2960
2961 static const char * const sor0_parents[] = {
2962 "pll_d_out0",
2963 };
2964
2965 static const char * const sor0_out_parents[] = {
2966 "sor_safe", "sor0_pad_clkout",
2967 };
2968
2969 static const char * const sor1_parents[] = {
2970 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m",
2971 };
2972
2973 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 };
2974
2975 static const struct clk_div_table mc_div_table_tegra210[] = {
2976 { .val = 0, .div = 2 },
2977 { .val = 1, .div = 4 },
2978 { .val = 2, .div = 1 },
2979 { .val = 3, .div = 2 },
2980 { .val = 0, .div = 0 },
2981 };
2982
tegra210_clk_register_mc(const char * name,const char * parent_name)2983 static void tegra210_clk_register_mc(const char *name,
2984 const char *parent_name)
2985 {
2986 struct clk *clk;
2987
2988 clk = clk_register_divider_table(NULL, name, parent_name,
2989 CLK_IS_CRITICAL,
2990 clk_base + CLK_SOURCE_EMC,
2991 15, 2, CLK_DIVIDER_READ_ONLY,
2992 mc_div_table_tegra210, &emc_lock);
2993 clks[TEGRA210_CLK_MC] = clk;
2994 }
2995
2996 static const char * const sor1_out_parents[] = {
2997 /*
2998 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so
2999 * the sor1_pad_clkout parent appears twice in the list below. This is
3000 * merely to support clk_get_parent() if firmware happened to set
3001 * these bits to 0b11. While not an invalid setting, code should
3002 * always set the bits to 0b01 to select sor1_pad_clkout.
3003 */
3004 "sor_safe", "sor1_pad_clkout", "sor1_out", "sor1_pad_clkout",
3005 };
3006
3007 static struct tegra_periph_init_data tegra210_periph[] = {
3008 /*
3009 * On Tegra210, the sor0 clock doesn't have a mux it bitfield 31:29,
3010 * but it is hardwired to the pll_d_out0 clock.
3011 */
3012 TEGRA_INIT_DATA_TABLE("sor0", NULL, NULL, sor0_parents,
3013 CLK_SOURCE_SOR0, 29, 0x0, 0, 0, 0, 0,
3014 0, 182, 0, tegra_clk_sor0, NULL, 0,
3015 &sor0_lock),
3016 TEGRA_INIT_DATA_TABLE("sor0_out", NULL, NULL, sor0_out_parents,
3017 CLK_SOURCE_SOR0, 14, 0x1, 0, 0, 0, 0,
3018 0, 0, TEGRA_PERIPH_NO_GATE, tegra_clk_sor0_out,
3019 NULL, 0, &sor0_lock),
3020 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents,
3021 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1,
3022 TEGRA_DIVIDER_ROUND_UP, 183, 0,
3023 tegra_clk_sor1, sor1_parents_idx, 0,
3024 &sor1_lock),
3025 TEGRA_INIT_DATA_TABLE("sor1_out", NULL, NULL, sor1_out_parents,
3026 CLK_SOURCE_SOR1, 14, 0x3, 0, 0, 0, 0,
3027 0, 0, TEGRA_PERIPH_NO_GATE,
3028 tegra_clk_sor1_out, NULL, 0, &sor1_lock),
3029 };
3030
3031 static const char * const la_parents[] = {
3032 "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0"
3033 };
3034
3035 static struct tegra_clk_periph tegra210_la =
3036 TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, NULL);
3037
tegra210_periph_clk_init(struct device_node * np,void __iomem * clk_base,void __iomem * pmc_base)3038 static __init void tegra210_periph_clk_init(struct device_node *np,
3039 void __iomem *clk_base,
3040 void __iomem *pmc_base)
3041 {
3042 struct clk *clk;
3043 unsigned int i;
3044
3045 /* xusb_ss_div2 */
3046 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
3047 1, 2);
3048 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
3049
3050 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
3051 1, 17, 222);
3052 clks[TEGRA210_CLK_SOR_SAFE] = clk;
3053
3054 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
3055 1, 17, 181);
3056 clks[TEGRA210_CLK_DPAUX] = clk;
3057
3058 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
3059 1, 17, 207);
3060 clks[TEGRA210_CLK_DPAUX1] = clk;
3061
3062 /* pll_d_dsi_out */
3063 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
3064 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
3065 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
3066
3067 /* dsia */
3068 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
3069 clk_base, 0, 48,
3070 periph_clk_enb_refcnt);
3071 clks[TEGRA210_CLK_DSIA] = clk;
3072
3073 /* dsib */
3074 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
3075 clk_base, 0, 82,
3076 periph_clk_enb_refcnt);
3077 clks[TEGRA210_CLK_DSIB] = clk;
3078
3079 /* csi_tpg */
3080 clk = clk_register_gate(NULL, "csi_tpg", "pll_d",
3081 CLK_SET_RATE_PARENT, clk_base + PLLD_BASE,
3082 23, 0, &pll_d_lock);
3083 clk_register_clkdev(clk, "csi_tpg", NULL);
3084 clks[TEGRA210_CLK_CSI_TPG] = clk;
3085
3086 /* la */
3087 clk = tegra_clk_register_periph("la", la_parents,
3088 ARRAY_SIZE(la_parents), &tegra210_la, clk_base,
3089 CLK_SOURCE_LA, 0);
3090 clks[TEGRA210_CLK_LA] = clk;
3091
3092 /* cml0 */
3093 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
3094 0, 0, &pll_e_lock);
3095 clk_register_clkdev(clk, "cml0", NULL);
3096 clks[TEGRA210_CLK_CML0] = clk;
3097
3098 /* cml1 */
3099 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
3100 1, 0, &pll_e_lock);
3101 clk_register_clkdev(clk, "cml1", NULL);
3102 clks[TEGRA210_CLK_CML1] = clk;
3103
3104 clk = tegra_clk_register_super_clk("aclk", aclk_parents,
3105 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
3106 0, NULL);
3107 clks[TEGRA210_CLK_ACLK] = clk;
3108
3109 clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base,
3110 CLK_SOURCE_SDMMC2, 9,
3111 TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3112 clks[TEGRA210_CLK_SDMMC2] = clk;
3113
3114 clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base,
3115 CLK_SOURCE_SDMMC4, 15,
3116 TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3117 clks[TEGRA210_CLK_SDMMC4] = clk;
3118
3119 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
3120 struct tegra_periph_init_data *init = &tegra210_periph[i];
3121 struct clk **clkp;
3122
3123 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks);
3124 if (!clkp) {
3125 pr_warn("clock %u not found\n", init->clk_id);
3126 continue;
3127 }
3128
3129 clk = tegra_clk_register_periph_data(clk_base, init);
3130 *clkp = clk;
3131 }
3132
3133 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
3134
3135 /* emc */
3136 clk = tegra210_clk_register_emc(np, clk_base);
3137 clks[TEGRA210_CLK_EMC] = clk;
3138
3139 /* mc */
3140 tegra210_clk_register_mc("mc", "emc");
3141 }
3142
tegra210_pll_init(void __iomem * clk_base,void __iomem * pmc)3143 static void __init tegra210_pll_init(void __iomem *clk_base,
3144 void __iomem *pmc)
3145 {
3146 struct clk *clk;
3147
3148 /* PLLC */
3149 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
3150 pmc, 0, &pll_c_params, NULL);
3151 if (!WARN_ON(IS_ERR(clk)))
3152 clk_register_clkdev(clk, "pll_c", NULL);
3153 clks[TEGRA210_CLK_PLL_C] = clk;
3154
3155 /* PLLC_OUT1 */
3156 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
3157 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3158 8, 8, 1, NULL);
3159 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
3160 clk_base + PLLC_OUT, 1, 0,
3161 CLK_SET_RATE_PARENT, 0, NULL);
3162 clk_register_clkdev(clk, "pll_c_out1", NULL);
3163 clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
3164
3165 /* PLLC_UD */
3166 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
3167 CLK_SET_RATE_PARENT, 1, 1);
3168 clk_register_clkdev(clk, "pll_c_ud", NULL);
3169 clks[TEGRA210_CLK_PLL_C_UD] = clk;
3170
3171 /* PLLC2 */
3172 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
3173 pmc, 0, &pll_c2_params, NULL);
3174 clk_register_clkdev(clk, "pll_c2", NULL);
3175 clks[TEGRA210_CLK_PLL_C2] = clk;
3176
3177 /* PLLC3 */
3178 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
3179 pmc, 0, &pll_c3_params, NULL);
3180 clk_register_clkdev(clk, "pll_c3", NULL);
3181 clks[TEGRA210_CLK_PLL_C3] = clk;
3182
3183 /* PLLM */
3184 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
3185 CLK_SET_RATE_GATE, &pll_m_params, NULL);
3186 clk_register_clkdev(clk, "pll_m", NULL);
3187 clks[TEGRA210_CLK_PLL_M] = clk;
3188
3189 /* PLLMB */
3190 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
3191 CLK_SET_RATE_GATE, &pll_mb_params, NULL);
3192 clk_register_clkdev(clk, "pll_mb", NULL);
3193 clks[TEGRA210_CLK_PLL_MB] = clk;
3194
3195 /* PLLM_UD */
3196 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
3197 CLK_SET_RATE_PARENT, 1, 1);
3198 clk_register_clkdev(clk, "pll_m_ud", NULL);
3199 clks[TEGRA210_CLK_PLL_M_UD] = clk;
3200
3201 /* PLLMB_UD */
3202 clk = clk_register_fixed_factor(NULL, "pll_mb_ud", "pll_mb",
3203 CLK_SET_RATE_PARENT, 1, 1);
3204 clk_register_clkdev(clk, "pll_mb_ud", NULL);
3205 clks[TEGRA210_CLK_PLL_MB_UD] = clk;
3206
3207 /* PLLP_UD */
3208 clk = clk_register_fixed_factor(NULL, "pll_p_ud", "pll_p",
3209 0, 1, 1);
3210 clks[TEGRA210_CLK_PLL_P_UD] = clk;
3211
3212 /* PLLU_VCO */
3213 if (!tegra210_init_pllu()) {
3214 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
3215 480*1000*1000);
3216 clk_register_clkdev(clk, "pll_u_vco", NULL);
3217 clks[TEGRA210_CLK_PLL_U] = clk;
3218 }
3219
3220 /* PLLU_OUT */
3221 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
3222 clk_base + PLLU_BASE, 16, 4, 0,
3223 pll_vco_post_div_table, NULL);
3224 clk_register_clkdev(clk, "pll_u_out", NULL);
3225 clks[TEGRA210_CLK_PLL_U_OUT] = clk;
3226
3227 /* PLLU_OUT1 */
3228 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
3229 clk_base + PLLU_OUTA, 0,
3230 TEGRA_DIVIDER_ROUND_UP,
3231 8, 8, 1, &pll_u_lock);
3232 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
3233 clk_base + PLLU_OUTA, 1, 0,
3234 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3235 clk_register_clkdev(clk, "pll_u_out1", NULL);
3236 clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
3237
3238 /* PLLU_OUT2 */
3239 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
3240 clk_base + PLLU_OUTA, 0,
3241 TEGRA_DIVIDER_ROUND_UP,
3242 24, 8, 1, &pll_u_lock);
3243 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
3244 clk_base + PLLU_OUTA, 17, 16,
3245 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3246 clk_register_clkdev(clk, "pll_u_out2", NULL);
3247 clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
3248
3249 /* PLLU_480M */
3250 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
3251 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3252 22, 0, &pll_u_lock);
3253 clk_register_clkdev(clk, "pll_u_480M", NULL);
3254 clks[TEGRA210_CLK_PLL_U_480M] = clk;
3255
3256 /* PLLU_60M */
3257 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
3258 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3259 23, 0, &pll_u_lock);
3260 clk_register_clkdev(clk, "pll_u_60M", NULL);
3261 clks[TEGRA210_CLK_PLL_U_60M] = clk;
3262
3263 /* PLLU_48M */
3264 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
3265 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3266 25, 0, &pll_u_lock);
3267 clk_register_clkdev(clk, "pll_u_48M", NULL);
3268 clks[TEGRA210_CLK_PLL_U_48M] = clk;
3269
3270 /* PLLD */
3271 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
3272 &pll_d_params, &pll_d_lock);
3273 clk_register_clkdev(clk, "pll_d", NULL);
3274 clks[TEGRA210_CLK_PLL_D] = clk;
3275
3276 /* PLLD_OUT0 */
3277 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
3278 CLK_SET_RATE_PARENT, 1, 2);
3279 clk_register_clkdev(clk, "pll_d_out0", NULL);
3280 clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
3281
3282 /* PLLRE */
3283 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
3284 clk_base, pmc, 0,
3285 &pll_re_vco_params,
3286 &pll_re_lock, pll_ref_freq);
3287 clk_register_clkdev(clk, "pll_re_vco", NULL);
3288 clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
3289
3290 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
3291 clk_base + PLLRE_BASE, 16, 5, 0,
3292 pll_vco_post_div_table, &pll_re_lock);
3293 clk_register_clkdev(clk, "pll_re_out", NULL);
3294 clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
3295
3296 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
3297 clk_base + PLLRE_OUT1, 0,
3298 TEGRA_DIVIDER_ROUND_UP,
3299 8, 8, 1, NULL);
3300 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
3301 clk_base + PLLRE_OUT1, 1, 0,
3302 CLK_SET_RATE_PARENT, 0, NULL);
3303 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
3304
3305 /* PLLE */
3306 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
3307 clk_base, 0, &pll_e_params, NULL);
3308 clk_register_clkdev(clk, "pll_e", NULL);
3309 clks[TEGRA210_CLK_PLL_E] = clk;
3310
3311 /* PLLC4 */
3312 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
3313 0, &pll_c4_vco_params, NULL, pll_ref_freq);
3314 clk_register_clkdev(clk, "pll_c4_vco", NULL);
3315 clks[TEGRA210_CLK_PLL_C4] = clk;
3316
3317 /* PLLC4_OUT0 */
3318 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
3319 clk_base + PLLC4_BASE, 19, 4, 0,
3320 pll_vco_post_div_table, NULL);
3321 clk_register_clkdev(clk, "pll_c4_out0", NULL);
3322 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
3323
3324 /* PLLC4_OUT1 */
3325 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
3326 CLK_SET_RATE_PARENT, 1, 3);
3327 clk_register_clkdev(clk, "pll_c4_out1", NULL);
3328 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
3329
3330 /* PLLC4_OUT2 */
3331 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
3332 CLK_SET_RATE_PARENT, 1, 5);
3333 clk_register_clkdev(clk, "pll_c4_out2", NULL);
3334 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
3335
3336 /* PLLC4_OUT3 */
3337 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
3338 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3339 8, 8, 1, NULL);
3340 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
3341 clk_base + PLLC4_OUT, 1, 0,
3342 CLK_SET_RATE_PARENT, 0, NULL);
3343 clk_register_clkdev(clk, "pll_c4_out3", NULL);
3344 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
3345
3346 /* PLLDP */
3347 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
3348 0, &pll_dp_params, NULL);
3349 clk_register_clkdev(clk, "pll_dp", NULL);
3350 clks[TEGRA210_CLK_PLL_DP] = clk;
3351
3352 /* PLLD2 */
3353 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
3354 0, &pll_d2_params, NULL);
3355 clk_register_clkdev(clk, "pll_d2", NULL);
3356 clks[TEGRA210_CLK_PLL_D2] = clk;
3357
3358 /* PLLD2_OUT0 */
3359 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
3360 CLK_SET_RATE_PARENT, 1, 1);
3361 clk_register_clkdev(clk, "pll_d2_out0", NULL);
3362 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
3363
3364 /* PLLP_OUT2 */
3365 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
3366 CLK_SET_RATE_PARENT, 1, 2);
3367 clk_register_clkdev(clk, "pll_p_out2", NULL);
3368 clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
3369
3370 }
3371
3372 /* Tegra210 CPU clock and reset control functions */
tegra210_wait_cpu_in_reset(u32 cpu)3373 static void tegra210_wait_cpu_in_reset(u32 cpu)
3374 {
3375 unsigned int reg;
3376
3377 do {
3378 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
3379 cpu_relax();
3380 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
3381 }
3382
tegra210_disable_cpu_clock(u32 cpu)3383 static void tegra210_disable_cpu_clock(u32 cpu)
3384 {
3385 /* flow controller would take care in the power sequence. */
3386 }
3387
3388 #ifdef CONFIG_PM_SLEEP
3389 #define car_readl(_base, _off) readl_relaxed(clk_base + (_base) + ((_off) * 4))
3390 #define car_writel(_val, _base, _off) \
3391 writel_relaxed(_val, clk_base + (_base) + ((_off) * 4))
3392
3393 static u32 spare_reg_ctx, misc_clk_enb_ctx, clk_msk_arm_ctx;
3394 static u32 cpu_softrst_ctx[3];
3395
tegra210_clk_suspend(void)3396 static int tegra210_clk_suspend(void)
3397 {
3398 unsigned int i;
3399
3400 clk_save_context();
3401
3402 /*
3403 * Save the bootloader configured clock registers SPARE_REG0,
3404 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL.
3405 */
3406 spare_reg_ctx = readl_relaxed(clk_base + SPARE_REG0);
3407 misc_clk_enb_ctx = readl_relaxed(clk_base + MISC_CLK_ENB);
3408 clk_msk_arm_ctx = readl_relaxed(clk_base + CLK_MASK_ARM);
3409
3410 for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++)
3411 cpu_softrst_ctx[i] = car_readl(CPU_SOFTRST_CTRL, i);
3412
3413 tegra_clk_periph_suspend();
3414 return 0;
3415 }
3416
tegra210_clk_resume(void)3417 static void tegra210_clk_resume(void)
3418 {
3419 unsigned int i;
3420
3421 tegra_clk_osc_resume(clk_base);
3422
3423 /*
3424 * Restore the bootloader configured clock registers SPARE_REG0,
3425 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL from saved context.
3426 */
3427 writel_relaxed(spare_reg_ctx, clk_base + SPARE_REG0);
3428 writel_relaxed(misc_clk_enb_ctx, clk_base + MISC_CLK_ENB);
3429 writel_relaxed(clk_msk_arm_ctx, clk_base + CLK_MASK_ARM);
3430
3431 for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++)
3432 car_writel(cpu_softrst_ctx[i], CPU_SOFTRST_CTRL, i);
3433
3434 /*
3435 * Tegra clock programming sequence recommends peripheral clock to
3436 * be enabled prior to changing its clock source and divider to
3437 * prevent glitchless frequency switch.
3438 * So, enable all peripheral clocks before restoring their source
3439 * and dividers.
3440 */
3441 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_L, clk_base + CLK_OUT_ENB_L);
3442 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_H, clk_base + CLK_OUT_ENB_H);
3443 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_U, clk_base + CLK_OUT_ENB_U);
3444 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_V, clk_base + CLK_OUT_ENB_V);
3445 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_W, clk_base + CLK_OUT_ENB_W);
3446 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_X, clk_base + CLK_OUT_ENB_X);
3447 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_Y, clk_base + CLK_OUT_ENB_Y);
3448
3449 /* wait for all writes to happen to have all the clocks enabled */
3450 fence_udelay(2, clk_base);
3451
3452 /* restore PLLs and all peripheral clock rates */
3453 tegra210_init_pllu();
3454 clk_restore_context();
3455
3456 /* restore saved context of peripheral clocks and reset state */
3457 tegra_clk_periph_resume();
3458 }
3459
tegra210_cpu_clock_suspend(void)3460 static void tegra210_cpu_clock_suspend(void)
3461 {
3462 /* switch coresite to clk_m, save off original source */
3463 tegra210_cpu_clk_sctx.clk_csite_src =
3464 readl(clk_base + CLK_SOURCE_CSITE);
3465 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
3466 }
3467
tegra210_cpu_clock_resume(void)3468 static void tegra210_cpu_clock_resume(void)
3469 {
3470 writel(tegra210_cpu_clk_sctx.clk_csite_src,
3471 clk_base + CLK_SOURCE_CSITE);
3472 }
3473 #endif
3474
3475 static struct syscore_ops tegra_clk_syscore_ops = {
3476 #ifdef CONFIG_PM_SLEEP
3477 .suspend = tegra210_clk_suspend,
3478 .resume = tegra210_clk_resume,
3479 #endif
3480 };
3481
3482 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
3483 .wait_for_reset = tegra210_wait_cpu_in_reset,
3484 .disable_clock = tegra210_disable_cpu_clock,
3485 #ifdef CONFIG_PM_SLEEP
3486 .suspend = tegra210_cpu_clock_suspend,
3487 .resume = tegra210_cpu_clock_resume,
3488 #endif
3489 };
3490
3491 static const struct of_device_id pmc_match[] __initconst = {
3492 { .compatible = "nvidia,tegra210-pmc" },
3493 { },
3494 };
3495
3496 static struct tegra_clk_init_table init_table[] __initdata = {
3497 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
3498 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
3499 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
3500 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
3501 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 0 },
3502 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 0 },
3503 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3504 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3505 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3506 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3507 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3508 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
3509 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
3510 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 },
3511 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
3512 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
3513 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
3514 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3515 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3516 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
3517 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
3518 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3519 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3520 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
3521 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3522 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3523 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
3524 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
3525 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
3526 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3527 /* TODO find a way to enable this on-demand */
3528 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
3529 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3530 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3531 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3532 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3533 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3534 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3535 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3536 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3537 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3538 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
3539 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
3540 { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3541 { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3542 { TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3543 { TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3544 { TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3545 { TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3546 { TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3547 { TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 },
3548 { TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 },
3549 /* This MUST be the last entry. */
3550 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3551 };
3552
3553 /**
3554 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3555 *
3556 * Program an initial clock rate and enable or disable clocks needed
3557 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be
3558 * called by assigning a pointer to it to tegra_clk_apply_init_table -
3559 * this will be called as an arch_initcall. No return value.
3560 */
tegra210_clock_apply_init_table(void)3561 static void __init tegra210_clock_apply_init_table(void)
3562 {
3563 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3564 }
3565
3566 /**
3567 * tegra210_car_barrier - wait for pending writes to the CAR to complete
3568 *
3569 * Wait for any outstanding writes to the CAR MMIO space from this CPU
3570 * to complete before continuing execution. No return value.
3571 */
tegra210_car_barrier(void)3572 static void tegra210_car_barrier(void)
3573 {
3574 readl_relaxed(clk_base + RST_DFLL_DVCO);
3575 }
3576
3577 /**
3578 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3579 *
3580 * Assert the reset line of the DFLL's DVCO. No return value.
3581 */
tegra210_clock_assert_dfll_dvco_reset(void)3582 static void tegra210_clock_assert_dfll_dvco_reset(void)
3583 {
3584 u32 v;
3585
3586 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3587 v |= (1 << DVFS_DFLL_RESET_SHIFT);
3588 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3589 tegra210_car_barrier();
3590 }
3591
3592 /**
3593 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3594 *
3595 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3596 * operate. No return value.
3597 */
tegra210_clock_deassert_dfll_dvco_reset(void)3598 static void tegra210_clock_deassert_dfll_dvco_reset(void)
3599 {
3600 u32 v;
3601
3602 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3603 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3604 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3605 tegra210_car_barrier();
3606 }
3607
tegra210_reset_assert(unsigned long id)3608 static int tegra210_reset_assert(unsigned long id)
3609 {
3610 if (id == TEGRA210_RST_DFLL_DVCO)
3611 tegra210_clock_assert_dfll_dvco_reset();
3612 else if (id == TEGRA210_RST_ADSP)
3613 writel(GENMASK(26, 21) | BIT(7),
3614 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3615 else
3616 return -EINVAL;
3617
3618 return 0;
3619 }
3620
tegra210_reset_deassert(unsigned long id)3621 static int tegra210_reset_deassert(unsigned long id)
3622 {
3623 if (id == TEGRA210_RST_DFLL_DVCO)
3624 tegra210_clock_deassert_dfll_dvco_reset();
3625 else if (id == TEGRA210_RST_ADSP) {
3626 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3627 /*
3628 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3629 * a delay of 5us ensures that it's at least
3630 * 6 * adsp_cpu_cycle_period long.
3631 */
3632 udelay(5);
3633 writel(GENMASK(26, 22) | BIT(7),
3634 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3635 } else
3636 return -EINVAL;
3637
3638 return 0;
3639 }
3640
tegra210_mbist_clk_init(void)3641 static void tegra210_mbist_clk_init(void)
3642 {
3643 unsigned int i, j;
3644
3645 for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) {
3646 unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks;
3647 struct clk_bulk_data *clk_data;
3648
3649 if (!num_clks)
3650 continue;
3651
3652 clk_data = kmalloc_array(num_clks, sizeof(*clk_data),
3653 GFP_KERNEL);
3654 if (WARN_ON(!clk_data))
3655 return;
3656
3657 tegra210_pg_mbist_war[i].clks = clk_data;
3658 for (j = 0; j < num_clks; j++) {
3659 int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j];
3660 struct clk *clk = clks[clk_id];
3661
3662 if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) {
3663 kfree(clk_data);
3664 tegra210_pg_mbist_war[i].clks = NULL;
3665 break;
3666 }
3667 clk_data[j].clk = clk;
3668 }
3669 }
3670 }
3671
3672 /**
3673 * tegra210_clock_init - Tegra210-specific clock initialization
3674 * @np: struct device_node * of the DT node for the SoC CAR IP block
3675 *
3676 * Register most SoC clocks for the Tegra210 system-on-chip. Intended
3677 * to be called by the OF init code when a DT node with the
3678 * "nvidia,tegra210-car" string is encountered, and declared with
3679 * CLK_OF_DECLARE. No return value.
3680 */
tegra210_clock_init(struct device_node * np)3681 static void __init tegra210_clock_init(struct device_node *np)
3682 {
3683 struct device_node *node;
3684 u32 value, clk_m_div;
3685
3686 clk_base = of_iomap(np, 0);
3687 if (!clk_base) {
3688 pr_err("ioremap tegra210 CAR failed\n");
3689 return;
3690 }
3691
3692 node = of_find_matching_node(NULL, pmc_match);
3693 if (!node) {
3694 pr_err("Failed to find pmc node\n");
3695 WARN_ON(1);
3696 return;
3697 }
3698
3699 pmc_base = of_iomap(node, 0);
3700 of_node_put(node);
3701 if (!pmc_base) {
3702 pr_err("Can't map pmc registers\n");
3703 WARN_ON(1);
3704 return;
3705 }
3706
3707 ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K);
3708 if (!ahub_base) {
3709 pr_err("ioremap tegra210 APE failed\n");
3710 return;
3711 }
3712
3713 dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K);
3714 if (!dispa_base) {
3715 pr_err("ioremap tegra210 DISPA failed\n");
3716 return;
3717 }
3718
3719 vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K);
3720 if (!vic_base) {
3721 pr_err("ioremap tegra210 VIC failed\n");
3722 return;
3723 }
3724
3725 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3726 TEGRA210_CAR_BANK_COUNT);
3727 if (!clks)
3728 return;
3729
3730 value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3731 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3732
3733 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3734 ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3735 &osc_freq, &pll_ref_freq) < 0)
3736 return;
3737
3738 tegra_fixed_clk_init(tegra210_clks);
3739 tegra210_pll_init(clk_base, pmc_base);
3740 tegra210_periph_clk_init(np, clk_base, pmc_base);
3741 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3742 tegra210_audio_plls,
3743 ARRAY_SIZE(tegra210_audio_plls), 24576000);
3744
3745 /* For Tegra210, PLLD is the only source for DSIA & DSIB */
3746 value = readl(clk_base + PLLD_BASE);
3747 value &= ~BIT(25);
3748 writel(value, clk_base + PLLD_BASE);
3749
3750 tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3751
3752 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3753 &pll_x_params);
3754 tegra_init_special_resets(2, tegra210_reset_assert,
3755 tegra210_reset_deassert);
3756
3757 tegra_add_of_provider(np, of_clk_src_onecell_get);
3758 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3759
3760 tegra210_mbist_clk_init();
3761
3762 tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3763
3764 register_syscore_ops(&tegra_clk_syscore_ops);
3765 }
3766 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);
3767