1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-pxa/tavorevb.c
4 *
5 * Support for the Marvell PXA930 Evaluation Board
6 *
7 * Copyright (C) 2007-2008 Marvell International Ltd.
8 */
9
10 #include <linux/module.h>
11 #include <linux/kernel.h>
12 #include <linux/interrupt.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/clk.h>
16 #include <linux/gpio.h>
17 #include <linux/smc91x.h>
18 #include <linux/pwm.h>
19 #include <linux/pwm_backlight.h>
20
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23
24 #include "pxa930.h"
25 #include <linux/platform_data/video-pxafb.h>
26 #include <linux/platform_data/keypad-pxa27x.h>
27
28 #include "devices.h"
29 #include "generic.h"
30
31 /* Tavor EVB MFP configurations */
32 static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
33 /* Ethernet */
34 DF_nCS1_nCS3,
35 GPIO47_GPIO,
36
37 /* LCD */
38 GPIO23_LCD_DD0,
39 GPIO24_LCD_DD1,
40 GPIO25_LCD_DD2,
41 GPIO26_LCD_DD3,
42 GPIO27_LCD_DD4,
43 GPIO28_LCD_DD5,
44 GPIO29_LCD_DD6,
45 GPIO44_LCD_DD7,
46 GPIO21_LCD_CS,
47 GPIO22_LCD_CS2,
48
49 GPIO17_LCD_FCLK_RD,
50 GPIO18_LCD_LCLK_A0,
51 GPIO19_LCD_PCLK_WR,
52
53 /* LCD Backlight */
54 GPIO43_PWM3, /* primary backlight */
55 GPIO32_PWM0, /* secondary backlight */
56
57 /* Keypad */
58 GPIO0_KP_MKIN_0,
59 GPIO2_KP_MKIN_1,
60 GPIO4_KP_MKIN_2,
61 GPIO6_KP_MKIN_3,
62 GPIO8_KP_MKIN_4,
63 GPIO10_KP_MKIN_5,
64 GPIO12_KP_MKIN_6,
65 GPIO1_KP_MKOUT_0,
66 GPIO3_KP_MKOUT_1,
67 GPIO5_KP_MKOUT_2,
68 GPIO7_KP_MKOUT_3,
69 GPIO9_KP_MKOUT_4,
70 GPIO11_KP_MKOUT_5,
71 GPIO13_KP_MKOUT_6,
72
73 GPIO14_KP_DKIN_2,
74 GPIO15_KP_DKIN_3,
75 };
76
77 #define TAVOREVB_ETH_PHYS (0x14000000)
78
79 static struct resource smc91x_resources[] = {
80 [0] = {
81 .start = (TAVOREVB_ETH_PHYS + 0x300),
82 .end = (TAVOREVB_ETH_PHYS + 0xfffff),
83 .flags = IORESOURCE_MEM,
84 },
85 [1] = {
86 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
87 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
88 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
89 }
90 };
91
92 static struct smc91x_platdata tavorevb_smc91x_info = {
93 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
94 };
95
96 static struct platform_device smc91x_device = {
97 .name = "smc91x",
98 .id = 0,
99 .num_resources = ARRAY_SIZE(smc91x_resources),
100 .resource = smc91x_resources,
101 .dev = {
102 .platform_data = &tavorevb_smc91x_info,
103 },
104 };
105
106 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
107 static const unsigned int tavorevb_matrix_key_map[] = {
108 /* KEY(row, col, key_code) */
109 KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
110 KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
111 KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
112 KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
113 KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
114 KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),
115
116 KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),
117
118 KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
119 KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
120 KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),
121
122 KEY(6, 6, KEY_SPACE),
123 KEY(0, 0, KEY_KPASTERISK), /* * */
124 KEY(0, 1, KEY_KPDOT), /* # */
125
126 KEY(4, 1, KEY_UP),
127 KEY(4, 3, KEY_DOWN),
128 KEY(4, 0, KEY_LEFT),
129 KEY(4, 2, KEY_RIGHT),
130 KEY(6, 0, KEY_HOME),
131 KEY(3, 2, KEY_END),
132 KEY(6, 1, KEY_DELETE),
133 KEY(5, 2, KEY_BACK),
134 KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */
135
136 KEY(4, 4, KEY_ENTER), /* scroll push */
137 KEY(6, 2, KEY_ENTER), /* keypad action */
138
139 KEY(3, 1, KEY_SEND),
140 KEY(5, 3, KEY_RECORD),
141 KEY(5, 0, KEY_VOLUMEUP),
142 KEY(5, 1, KEY_VOLUMEDOWN),
143
144 KEY(3, 0, KEY_F22), /* soft1 */
145 KEY(3, 3, KEY_F23), /* soft2 */
146 };
147
148 static struct matrix_keymap_data tavorevb_matrix_keymap_data = {
149 .keymap = tavorevb_matrix_key_map,
150 .keymap_size = ARRAY_SIZE(tavorevb_matrix_key_map),
151 };
152
153 static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
154 .matrix_key_rows = 7,
155 .matrix_key_cols = 7,
156 .matrix_keymap_data = &tavorevb_matrix_keymap_data,
157 .debounce_interval = 30,
158 };
159
tavorevb_init_keypad(void)160 static void __init tavorevb_init_keypad(void)
161 {
162 pxa_set_keypad_info(&tavorevb_keypad_info);
163 }
164 #else
tavorevb_init_keypad(void)165 static inline void tavorevb_init_keypad(void) {}
166 #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
167
168 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
169 static struct pwm_lookup tavorevb_pwm_lookup[] = {
170 PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 100000,
171 PWM_POLARITY_NORMAL),
172 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.1", NULL, 100000,
173 PWM_POLARITY_NORMAL),
174 };
175
176 static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
177 [0] = {
178 /* primary backlight */
179 .max_brightness = 100,
180 .dft_brightness = 100,
181 .enable_gpio = -1,
182 },
183 [1] = {
184 /* secondary backlight */
185 .max_brightness = 100,
186 .dft_brightness = 100,
187 .enable_gpio = -1,
188 },
189 };
190
191 static struct platform_device tavorevb_backlight_devices[] = {
192 [0] = {
193 .name = "pwm-backlight",
194 .id = 0,
195 .dev = {
196 .platform_data = &tavorevb_backlight_data[0],
197 },
198 },
199 [1] = {
200 .name = "pwm-backlight",
201 .id = 1,
202 .dev = {
203 .platform_data = &tavorevb_backlight_data[1],
204 },
205 },
206 };
207
208 static uint16_t panel_init[] = {
209 /* DSTB OUT */
210 SMART_CMD(0x00),
211 SMART_CMD_NOOP,
212 SMART_DELAY(1),
213
214 SMART_CMD(0x00),
215 SMART_CMD_NOOP,
216 SMART_DELAY(1),
217
218 SMART_CMD(0x00),
219 SMART_CMD_NOOP,
220 SMART_DELAY(1),
221
222 /* STB OUT */
223 SMART_CMD(0x00),
224 SMART_CMD(0x1D),
225 SMART_DAT(0x00),
226 SMART_DAT(0x05),
227 SMART_DELAY(1),
228
229 /* P-ON Init sequence */
230 SMART_CMD(0x00), /* OSC ON */
231 SMART_CMD(0x00),
232 SMART_DAT(0x00),
233 SMART_DAT(0x01),
234 SMART_CMD(0x00),
235 SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
236 SMART_DAT(0x01),
237 SMART_DAT(0x27),
238 SMART_CMD(0x00),
239 SMART_CMD(0x02), /* LINE INV */
240 SMART_DAT(0x02),
241 SMART_DAT(0x00),
242 SMART_CMD(0x00),
243 SMART_CMD(0x03), /* IF mode(1) */
244 SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
245 SMART_DAT(0x30),
246 SMART_CMD(0x07),
247 SMART_CMD(0x00), /* RAM Write Mode */
248 SMART_DAT(0x00),
249 SMART_DAT(0x03),
250 SMART_CMD(0x00),
251
252 /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */
253 SMART_CMD(0x07),
254 SMART_DAT(0x40), /* 16/18/19 BPP */
255 SMART_DAT(0x00),
256 SMART_CMD(0x00),
257 SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
258 SMART_DAT(0x03),
259 SMART_DAT(0x02),
260 SMART_CMD(0x00),
261 SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
262 SMART_DAT(0x00),
263 SMART_DAT(0x00),
264 SMART_CMD(0x00),
265 SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
266 SMART_DAT(0x00),
267 SMART_DAT(0x10),
268 SMART_CMD(0x00),
269 SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
270 SMART_DAT(0x03),
271 SMART_DAT(0x02),
272 SMART_CMD(0x00),
273 SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
274 SMART_DAT(0x01),
275 SMART_DAT(0x02),
276 SMART_CMD(0x00),
277 SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
278 SMART_DAT(0x00),
279 SMART_DAT(0x00),
280 SMART_CMD(0x00),
281 SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
282 SMART_DAT(0x20),
283 SMART_DAT(0x00),
284 SMART_CMD(0x00),
285 SMART_CMD(0x1C),
286 SMART_DAT(0x00),
287 SMART_DAT(0x00),
288 SMART_CMD(0x03),
289 SMART_CMD(0x00),
290 SMART_DAT(0x04),
291 SMART_DAT(0x03),
292 SMART_CMD(0x03),
293 SMART_CMD(0x01),
294 SMART_DAT(0x03),
295 SMART_DAT(0x04),
296 SMART_CMD(0x03),
297 SMART_CMD(0x02),
298 SMART_DAT(0x04),
299 SMART_DAT(0x03),
300 SMART_CMD(0x03),
301 SMART_CMD(0x03),
302 SMART_DAT(0x03),
303 SMART_DAT(0x03),
304 SMART_CMD(0x03),
305 SMART_CMD(0x04),
306 SMART_DAT(0x01),
307 SMART_DAT(0x01),
308 SMART_CMD(0x03),
309 SMART_CMD(0x05),
310 SMART_DAT(0x00),
311 SMART_DAT(0x00),
312 SMART_CMD(0x04),
313 SMART_CMD(0x02),
314 SMART_DAT(0x00),
315 SMART_DAT(0x00),
316 SMART_CMD(0x04),
317 SMART_CMD(0x03),
318 SMART_DAT(0x01),
319 SMART_DAT(0x3F),
320 SMART_DELAY(0),
321
322 /* DISP RAM setting: 240*320 */
323 SMART_CMD(0x04), /* HADDR, START 0 */
324 SMART_CMD(0x06),
325 SMART_DAT(0x00),
326 SMART_DAT(0x00), /* x1,3 */
327 SMART_CMD(0x04), /* HADDR, END 4 */
328 SMART_CMD(0x07),
329 SMART_DAT(0x00),
330 SMART_DAT(0xEF), /* x2, 7 */
331 SMART_CMD(0x04), /* VADDR, START 8 */
332 SMART_CMD(0x08),
333 SMART_DAT(0x00), /* y1, 10 */
334 SMART_DAT(0x00), /* y1, 11 */
335 SMART_CMD(0x04), /* VADDR, END 12 */
336 SMART_CMD(0x09),
337 SMART_DAT(0x01), /* y2, 14 */
338 SMART_DAT(0x3F), /* y2, 15 */
339 SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
340 SMART_CMD(0x00),
341 SMART_DAT(0x00),
342 SMART_DAT(0x00), /* x1, 19 */
343 SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
344 SMART_CMD(0x01),
345 SMART_DAT(0x00), /* y1, 22 */
346 SMART_DAT(0x00), /* y1, 23 */
347 };
348
349 static uint16_t panel_on[] = {
350 /* Power-IC ON */
351 SMART_CMD(0x01),
352 SMART_CMD(0x02),
353 SMART_DAT(0x07),
354 SMART_DAT(0x7D),
355 SMART_CMD(0x01),
356 SMART_CMD(0x03),
357 SMART_DAT(0x00),
358 SMART_DAT(0x05),
359 SMART_CMD(0x01),
360 SMART_CMD(0x04),
361 SMART_DAT(0x00),
362 SMART_DAT(0x00),
363 SMART_CMD(0x01),
364 SMART_CMD(0x05),
365 SMART_DAT(0x00),
366 SMART_DAT(0x15),
367 SMART_CMD(0x01),
368 SMART_CMD(0x00),
369 SMART_DAT(0xC0),
370 SMART_DAT(0x10),
371 SMART_DELAY(30),
372
373 /* DISP ON */
374 SMART_CMD(0x01),
375 SMART_CMD(0x01),
376 SMART_DAT(0x00),
377 SMART_DAT(0x01),
378 SMART_CMD(0x01),
379 SMART_CMD(0x00),
380 SMART_DAT(0xFF),
381 SMART_DAT(0xFE),
382 SMART_DELAY(150),
383 };
384
385 static uint16_t panel_off[] = {
386 SMART_CMD(0x00),
387 SMART_CMD(0x1E),
388 SMART_DAT(0x00),
389 SMART_DAT(0x0A),
390 SMART_CMD(0x01),
391 SMART_CMD(0x00),
392 SMART_DAT(0xFF),
393 SMART_DAT(0xEE),
394 SMART_CMD(0x01),
395 SMART_CMD(0x00),
396 SMART_DAT(0xF8),
397 SMART_DAT(0x12),
398 SMART_CMD(0x01),
399 SMART_CMD(0x00),
400 SMART_DAT(0xE8),
401 SMART_DAT(0x11),
402 SMART_CMD(0x01),
403 SMART_CMD(0x00),
404 SMART_DAT(0xC0),
405 SMART_DAT(0x11),
406 SMART_CMD(0x01),
407 SMART_CMD(0x00),
408 SMART_DAT(0x40),
409 SMART_DAT(0x11),
410 SMART_CMD(0x01),
411 SMART_CMD(0x00),
412 SMART_DAT(0x00),
413 SMART_DAT(0x10),
414 };
415
416 static uint16_t update_framedata[] = {
417 /* write ram */
418 SMART_CMD(0x02),
419 SMART_CMD(0x02),
420
421 /* write frame data */
422 SMART_CMD_WRITE_FRAME,
423 };
424
ltm020d550_lcd_power(int on,struct fb_var_screeninfo * var)425 static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
426 {
427 struct fb_info *info = container_of(var, struct fb_info, var);
428
429 if (on) {
430 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
431 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
432 } else {
433 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
434 }
435
436 if (pxafb_smart_flush(info))
437 pr_err("%s: timed out\n", __func__);
438 }
439
ltm020d550_update(struct fb_info * info)440 static void ltm020d550_update(struct fb_info *info)
441 {
442 pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
443 pxafb_smart_flush(info);
444 }
445
446 static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
447 [0] = {
448 .xres = 240,
449 .yres = 320,
450 .bpp = 16,
451 .a0csrd_set_hld = 30,
452 .a0cswr_set_hld = 30,
453 .wr_pulse_width = 30,
454 .rd_pulse_width = 170,
455 .op_hold_time = 30,
456 .cmd_inh_time = 60,
457
458 /* L_LCLK_A0 and L_LCLK_RD active low */
459 .sync = FB_SYNC_HOR_HIGH_ACT |
460 FB_SYNC_VERT_HIGH_ACT,
461 },
462 };
463
464 static struct pxafb_mach_info tavorevb_lcd_info = {
465 .modes = toshiba_ltm020d550_modes,
466 .num_modes = 1,
467 .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
468 .pxafb_lcd_power = ltm020d550_lcd_power,
469 .smart_update = ltm020d550_update,
470 };
471
tavorevb_init_lcd(void)472 static void __init tavorevb_init_lcd(void)
473 {
474 pwm_add_table(tavorevb_pwm_lookup, ARRAY_SIZE(tavorevb_pwm_lookup));
475 platform_device_register(&tavorevb_backlight_devices[0]);
476 platform_device_register(&tavorevb_backlight_devices[1]);
477 pxa_set_fb_info(NULL, &tavorevb_lcd_info);
478 }
479 #else
tavorevb_init_lcd(void)480 static inline void tavorevb_init_lcd(void) {}
481 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
482
tavorevb_init(void)483 static void __init tavorevb_init(void)
484 {
485 /* initialize MFP configurations */
486 pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
487
488 pxa_set_ffuart_info(NULL);
489 pxa_set_btuart_info(NULL);
490 pxa_set_stuart_info(NULL);
491
492 platform_device_register(&smc91x_device);
493
494 tavorevb_init_lcd();
495 tavorevb_init_keypad();
496 }
497
498 MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
499 /* Maintainer: Eric Miao <eric.miao@marvell.com> */
500 .atag_offset = 0x100,
501 .map_io = pxa3xx_map_io,
502 .nr_irqs = PXA_NR_IRQS,
503 .init_irq = pxa3xx_init_irq,
504 .handle_irq = pxa3xx_handle_irq,
505 .init_time = pxa_timer_init,
506 .init_machine = tavorevb_init,
507 .restart = pxa_restart,
508 MACHINE_END
509