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1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Zynq pin controller
4  *
5  *  Copyright (C) 2014 Xilinx
6  *
7  *  Sören Brinkmann <soren.brinkmann@xilinx.com>
8  */
9 #include <linux/io.h>
10 #include <linux/mfd/syscon.h>
11 #include <linux/init.h>
12 #include <linux/of.h>
13 #include <linux/platform_device.h>
14 #include <linux/pinctrl/pinctrl.h>
15 #include <linux/pinctrl/pinmux.h>
16 #include <linux/pinctrl/pinconf.h>
17 #include <linux/pinctrl/pinconf-generic.h>
18 #include <linux/regmap.h>
19 #include "pinctrl-utils.h"
20 #include "core.h"
21 
22 #define ZYNQ_NUM_MIOS	54
23 
24 #define ZYNQ_PCTRL_MIO_MST_TRI0	0x10c
25 #define ZYNQ_PCTRL_MIO_MST_TRI1	0x110
26 
27 #define ZYNQ_PINMUX_MUX_SHIFT	1
28 #define ZYNQ_PINMUX_MUX_MASK	(0x7f << ZYNQ_PINMUX_MUX_SHIFT)
29 
30 /**
31  * struct zynq_pinctrl - driver data
32  * @pctrl:		Pinctrl device
33  * @syscon:		Syscon regmap
34  * @pctrl_offset:	Offset for pinctrl into the @syscon space
35  * @groups:		Pingroups
36  * @ngroups:		Number of @groups
37  * @funcs:		Pinmux functions
38  * @nfuncs:		Number of @funcs
39  */
40 struct zynq_pinctrl {
41 	struct pinctrl_dev *pctrl;
42 	struct regmap *syscon;
43 	u32 pctrl_offset;
44 	const struct zynq_pctrl_group *groups;
45 	unsigned int ngroups;
46 	const struct zynq_pinmux_function *funcs;
47 	unsigned int nfuncs;
48 };
49 
50 struct zynq_pctrl_group {
51 	const char *name;
52 	const unsigned int *pins;
53 	const unsigned int npins;
54 };
55 
56 /**
57  * struct zynq_pinmux_function - a pinmux function
58  * @name:	Name of the pinmux function.
59  * @groups:	List of pingroups for this function.
60  * @ngroups:	Number of entries in @groups.
61  * @mux_val:	Selector for this function
62  * @mux:	Offset of function specific mux
63  * @mux_mask:	Mask for function specific selector
64  * @mux_shift:	Shift for function specific selector
65  */
66 struct zynq_pinmux_function {
67 	const char *name;
68 	const char * const *groups;
69 	unsigned int ngroups;
70 	unsigned int mux_val;
71 	u32 mux;
72 	u32 mux_mask;
73 	u8 mux_shift;
74 };
75 
76 enum zynq_pinmux_functions {
77 	ZYNQ_PMUX_can0,
78 	ZYNQ_PMUX_can1,
79 	ZYNQ_PMUX_ethernet0,
80 	ZYNQ_PMUX_ethernet1,
81 	ZYNQ_PMUX_gpio0,
82 	ZYNQ_PMUX_i2c0,
83 	ZYNQ_PMUX_i2c1,
84 	ZYNQ_PMUX_mdio0,
85 	ZYNQ_PMUX_mdio1,
86 	ZYNQ_PMUX_qspi0,
87 	ZYNQ_PMUX_qspi1,
88 	ZYNQ_PMUX_qspi_fbclk,
89 	ZYNQ_PMUX_qspi_cs1,
90 	ZYNQ_PMUX_spi0,
91 	ZYNQ_PMUX_spi1,
92 	ZYNQ_PMUX_spi0_ss,
93 	ZYNQ_PMUX_spi1_ss,
94 	ZYNQ_PMUX_sdio0,
95 	ZYNQ_PMUX_sdio0_pc,
96 	ZYNQ_PMUX_sdio0_cd,
97 	ZYNQ_PMUX_sdio0_wp,
98 	ZYNQ_PMUX_sdio1,
99 	ZYNQ_PMUX_sdio1_pc,
100 	ZYNQ_PMUX_sdio1_cd,
101 	ZYNQ_PMUX_sdio1_wp,
102 	ZYNQ_PMUX_smc0_nor,
103 	ZYNQ_PMUX_smc0_nor_cs1,
104 	ZYNQ_PMUX_smc0_nor_addr25,
105 	ZYNQ_PMUX_smc0_nand,
106 	ZYNQ_PMUX_ttc0,
107 	ZYNQ_PMUX_ttc1,
108 	ZYNQ_PMUX_uart0,
109 	ZYNQ_PMUX_uart1,
110 	ZYNQ_PMUX_usb0,
111 	ZYNQ_PMUX_usb1,
112 	ZYNQ_PMUX_swdt0,
113 	ZYNQ_PMUX_MAX_FUNC
114 };
115 
116 static const struct pinctrl_pin_desc zynq_pins[] = {
117 	PINCTRL_PIN(0,  "MIO0"),
118 	PINCTRL_PIN(1,  "MIO1"),
119 	PINCTRL_PIN(2,  "MIO2"),
120 	PINCTRL_PIN(3,  "MIO3"),
121 	PINCTRL_PIN(4,  "MIO4"),
122 	PINCTRL_PIN(5,  "MIO5"),
123 	PINCTRL_PIN(6,  "MIO6"),
124 	PINCTRL_PIN(7,  "MIO7"),
125 	PINCTRL_PIN(8,  "MIO8"),
126 	PINCTRL_PIN(9,  "MIO9"),
127 	PINCTRL_PIN(10, "MIO10"),
128 	PINCTRL_PIN(11, "MIO11"),
129 	PINCTRL_PIN(12, "MIO12"),
130 	PINCTRL_PIN(13, "MIO13"),
131 	PINCTRL_PIN(14, "MIO14"),
132 	PINCTRL_PIN(15, "MIO15"),
133 	PINCTRL_PIN(16, "MIO16"),
134 	PINCTRL_PIN(17, "MIO17"),
135 	PINCTRL_PIN(18, "MIO18"),
136 	PINCTRL_PIN(19, "MIO19"),
137 	PINCTRL_PIN(20, "MIO20"),
138 	PINCTRL_PIN(21, "MIO21"),
139 	PINCTRL_PIN(22, "MIO22"),
140 	PINCTRL_PIN(23, "MIO23"),
141 	PINCTRL_PIN(24, "MIO24"),
142 	PINCTRL_PIN(25, "MIO25"),
143 	PINCTRL_PIN(26, "MIO26"),
144 	PINCTRL_PIN(27, "MIO27"),
145 	PINCTRL_PIN(28, "MIO28"),
146 	PINCTRL_PIN(29, "MIO29"),
147 	PINCTRL_PIN(30, "MIO30"),
148 	PINCTRL_PIN(31, "MIO31"),
149 	PINCTRL_PIN(32, "MIO32"),
150 	PINCTRL_PIN(33, "MIO33"),
151 	PINCTRL_PIN(34, "MIO34"),
152 	PINCTRL_PIN(35, "MIO35"),
153 	PINCTRL_PIN(36, "MIO36"),
154 	PINCTRL_PIN(37, "MIO37"),
155 	PINCTRL_PIN(38, "MIO38"),
156 	PINCTRL_PIN(39, "MIO39"),
157 	PINCTRL_PIN(40, "MIO40"),
158 	PINCTRL_PIN(41, "MIO41"),
159 	PINCTRL_PIN(42, "MIO42"),
160 	PINCTRL_PIN(43, "MIO43"),
161 	PINCTRL_PIN(44, "MIO44"),
162 	PINCTRL_PIN(45, "MIO45"),
163 	PINCTRL_PIN(46, "MIO46"),
164 	PINCTRL_PIN(47, "MIO47"),
165 	PINCTRL_PIN(48, "MIO48"),
166 	PINCTRL_PIN(49, "MIO49"),
167 	PINCTRL_PIN(50, "MIO50"),
168 	PINCTRL_PIN(51, "MIO51"),
169 	PINCTRL_PIN(52, "MIO52"),
170 	PINCTRL_PIN(53, "MIO53"),
171 	PINCTRL_PIN(54, "EMIO_SD0_WP"),
172 	PINCTRL_PIN(55, "EMIO_SD0_CD"),
173 	PINCTRL_PIN(56, "EMIO_SD1_WP"),
174 	PINCTRL_PIN(57, "EMIO_SD1_CD"),
175 };
176 
177 /* pin groups */
178 static const unsigned int ethernet0_0_pins[] = {16, 17, 18, 19, 20, 21, 22, 23,
179 						24, 25, 26, 27};
180 static const unsigned int ethernet1_0_pins[] = {28, 29, 30, 31, 32, 33, 34, 35,
181 						36, 37, 38, 39};
182 static const unsigned int mdio0_0_pins[] = {52, 53};
183 static const unsigned int mdio1_0_pins[] = {52, 53};
184 static const unsigned int qspi0_0_pins[] = {1, 2, 3, 4, 5, 6};
185 
186 static const unsigned int qspi1_0_pins[] = {9, 10, 11, 12, 13};
187 static const unsigned int qspi_cs1_pins[] = {0};
188 static const unsigned int qspi_fbclk_pins[] = {8};
189 static const unsigned int spi0_0_pins[] = {16, 17, 21};
190 static const unsigned int spi0_0_ss0_pins[] = {18};
191 static const unsigned int spi0_0_ss1_pins[] = {19};
192 static const unsigned int spi0_0_ss2_pins[] = {20,};
193 static const unsigned int spi0_1_pins[] = {28, 29, 33};
194 static const unsigned int spi0_1_ss0_pins[] = {30};
195 static const unsigned int spi0_1_ss1_pins[] = {31};
196 static const unsigned int spi0_1_ss2_pins[] = {32};
197 static const unsigned int spi0_2_pins[] = {40, 41, 45};
198 static const unsigned int spi0_2_ss0_pins[] = {42};
199 static const unsigned int spi0_2_ss1_pins[] = {43};
200 static const unsigned int spi0_2_ss2_pins[] = {44};
201 static const unsigned int spi1_0_pins[] = {10, 11, 12};
202 static const unsigned int spi1_0_ss0_pins[] = {13};
203 static const unsigned int spi1_0_ss1_pins[] = {14};
204 static const unsigned int spi1_0_ss2_pins[] = {15};
205 static const unsigned int spi1_1_pins[] = {22, 23, 24};
206 static const unsigned int spi1_1_ss0_pins[] = {25};
207 static const unsigned int spi1_1_ss1_pins[] = {26};
208 static const unsigned int spi1_1_ss2_pins[] = {27};
209 static const unsigned int spi1_2_pins[] = {34, 35, 36};
210 static const unsigned int spi1_2_ss0_pins[] = {37};
211 static const unsigned int spi1_2_ss1_pins[] = {38};
212 static const unsigned int spi1_2_ss2_pins[] = {39};
213 static const unsigned int spi1_3_pins[] = {46, 47, 48, 49};
214 static const unsigned int spi1_3_ss0_pins[] = {49};
215 static const unsigned int spi1_3_ss1_pins[] = {50};
216 static const unsigned int spi1_3_ss2_pins[] = {51};
217 
218 static const unsigned int sdio0_0_pins[] = {16, 17, 18, 19, 20, 21};
219 static const unsigned int sdio0_1_pins[] = {28, 29, 30, 31, 32, 33};
220 static const unsigned int sdio0_2_pins[] = {40, 41, 42, 43, 44, 45};
221 static const unsigned int sdio1_0_pins[] = {10, 11, 12, 13, 14, 15};
222 static const unsigned int sdio1_1_pins[] = {22, 23, 24, 25, 26, 27};
223 static const unsigned int sdio1_2_pins[] = {34, 35, 36, 37, 38, 39};
224 static const unsigned int sdio1_3_pins[] = {46, 47, 48, 49, 50, 51};
225 static const unsigned int sdio0_emio_wp_pins[] = {54};
226 static const unsigned int sdio0_emio_cd_pins[] = {55};
227 static const unsigned int sdio1_emio_wp_pins[] = {56};
228 static const unsigned int sdio1_emio_cd_pins[] = {57};
229 static const unsigned int smc0_nor_pins[] = {0, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13,
230 					     15, 16, 17, 18, 19, 20, 21, 22, 23,
231 					     24, 25, 26, 27, 28, 29, 30, 31, 32,
232 					     33, 34, 35, 36, 37, 38, 39};
233 static const unsigned int smc0_nor_cs1_pins[] = {1};
234 static const unsigned int smc0_nor_addr25_pins[] = {1};
235 static const unsigned int smc0_nand_pins[] = {0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
236 					      12, 13, 14, 16, 17, 18, 19, 20,
237 					      21, 22, 23};
238 static const unsigned int smc0_nand8_pins[] = {0, 2, 3,  4,  5,  6,  7,
239 					       8, 9, 10, 11, 12, 13, 14};
240 /* Note: CAN MIO clock inputs are modeled in the clock framework */
241 static const unsigned int can0_0_pins[] = {10, 11};
242 static const unsigned int can0_1_pins[] = {14, 15};
243 static const unsigned int can0_2_pins[] = {18, 19};
244 static const unsigned int can0_3_pins[] = {22, 23};
245 static const unsigned int can0_4_pins[] = {26, 27};
246 static const unsigned int can0_5_pins[] = {30, 31};
247 static const unsigned int can0_6_pins[] = {34, 35};
248 static const unsigned int can0_7_pins[] = {38, 39};
249 static const unsigned int can0_8_pins[] = {42, 43};
250 static const unsigned int can0_9_pins[] = {46, 47};
251 static const unsigned int can0_10_pins[] = {50, 51};
252 static const unsigned int can1_0_pins[] = {8, 9};
253 static const unsigned int can1_1_pins[] = {12, 13};
254 static const unsigned int can1_2_pins[] = {16, 17};
255 static const unsigned int can1_3_pins[] = {20, 21};
256 static const unsigned int can1_4_pins[] = {24, 25};
257 static const unsigned int can1_5_pins[] = {28, 29};
258 static const unsigned int can1_6_pins[] = {32, 33};
259 static const unsigned int can1_7_pins[] = {36, 37};
260 static const unsigned int can1_8_pins[] = {40, 41};
261 static const unsigned int can1_9_pins[] = {44, 45};
262 static const unsigned int can1_10_pins[] = {48, 49};
263 static const unsigned int can1_11_pins[] = {52, 53};
264 static const unsigned int uart0_0_pins[] = {10, 11};
265 static const unsigned int uart0_1_pins[] = {14, 15};
266 static const unsigned int uart0_2_pins[] = {18, 19};
267 static const unsigned int uart0_3_pins[] = {22, 23};
268 static const unsigned int uart0_4_pins[] = {26, 27};
269 static const unsigned int uart0_5_pins[] = {30, 31};
270 static const unsigned int uart0_6_pins[] = {34, 35};
271 static const unsigned int uart0_7_pins[] = {38, 39};
272 static const unsigned int uart0_8_pins[] = {42, 43};
273 static const unsigned int uart0_9_pins[] = {46, 47};
274 static const unsigned int uart0_10_pins[] = {50, 51};
275 static const unsigned int uart1_0_pins[] = {8, 9};
276 static const unsigned int uart1_1_pins[] = {12, 13};
277 static const unsigned int uart1_2_pins[] = {16, 17};
278 static const unsigned int uart1_3_pins[] = {20, 21};
279 static const unsigned int uart1_4_pins[] = {24, 25};
280 static const unsigned int uart1_5_pins[] = {28, 29};
281 static const unsigned int uart1_6_pins[] = {32, 33};
282 static const unsigned int uart1_7_pins[] = {36, 37};
283 static const unsigned int uart1_8_pins[] = {40, 41};
284 static const unsigned int uart1_9_pins[] = {44, 45};
285 static const unsigned int uart1_10_pins[] = {48, 49};
286 static const unsigned int uart1_11_pins[] = {52, 53};
287 static const unsigned int i2c0_0_pins[] = {10, 11};
288 static const unsigned int i2c0_1_pins[] = {14, 15};
289 static const unsigned int i2c0_2_pins[] = {18, 19};
290 static const unsigned int i2c0_3_pins[] = {22, 23};
291 static const unsigned int i2c0_4_pins[] = {26, 27};
292 static const unsigned int i2c0_5_pins[] = {30, 31};
293 static const unsigned int i2c0_6_pins[] = {34, 35};
294 static const unsigned int i2c0_7_pins[] = {38, 39};
295 static const unsigned int i2c0_8_pins[] = {42, 43};
296 static const unsigned int i2c0_9_pins[] = {46, 47};
297 static const unsigned int i2c0_10_pins[] = {50, 51};
298 static const unsigned int i2c1_0_pins[] = {12, 13};
299 static const unsigned int i2c1_1_pins[] = {16, 17};
300 static const unsigned int i2c1_2_pins[] = {20, 21};
301 static const unsigned int i2c1_3_pins[] = {24, 25};
302 static const unsigned int i2c1_4_pins[] = {28, 29};
303 static const unsigned int i2c1_5_pins[] = {32, 33};
304 static const unsigned int i2c1_6_pins[] = {36, 37};
305 static const unsigned int i2c1_7_pins[] = {40, 41};
306 static const unsigned int i2c1_8_pins[] = {44, 45};
307 static const unsigned int i2c1_9_pins[] = {48, 49};
308 static const unsigned int i2c1_10_pins[] = {52, 53};
309 static const unsigned int ttc0_0_pins[] = {18, 19};
310 static const unsigned int ttc0_1_pins[] = {30, 31};
311 static const unsigned int ttc0_2_pins[] = {42, 43};
312 static const unsigned int ttc1_0_pins[] = {16, 17};
313 static const unsigned int ttc1_1_pins[] = {28, 29};
314 static const unsigned int ttc1_2_pins[] = {40, 41};
315 static const unsigned int swdt0_0_pins[] = {14, 15};
316 static const unsigned int swdt0_1_pins[] = {26, 27};
317 static const unsigned int swdt0_2_pins[] = {38, 39};
318 static const unsigned int swdt0_3_pins[] = {50, 51};
319 static const unsigned int swdt0_4_pins[] = {52, 53};
320 static const unsigned int gpio0_0_pins[] = {0};
321 static const unsigned int gpio0_1_pins[] = {1};
322 static const unsigned int gpio0_2_pins[] = {2};
323 static const unsigned int gpio0_3_pins[] = {3};
324 static const unsigned int gpio0_4_pins[] = {4};
325 static const unsigned int gpio0_5_pins[] = {5};
326 static const unsigned int gpio0_6_pins[] = {6};
327 static const unsigned int gpio0_7_pins[] = {7};
328 static const unsigned int gpio0_8_pins[] = {8};
329 static const unsigned int gpio0_9_pins[] = {9};
330 static const unsigned int gpio0_10_pins[] = {10};
331 static const unsigned int gpio0_11_pins[] = {11};
332 static const unsigned int gpio0_12_pins[] = {12};
333 static const unsigned int gpio0_13_pins[] = {13};
334 static const unsigned int gpio0_14_pins[] = {14};
335 static const unsigned int gpio0_15_pins[] = {15};
336 static const unsigned int gpio0_16_pins[] = {16};
337 static const unsigned int gpio0_17_pins[] = {17};
338 static const unsigned int gpio0_18_pins[] = {18};
339 static const unsigned int gpio0_19_pins[] = {19};
340 static const unsigned int gpio0_20_pins[] = {20};
341 static const unsigned int gpio0_21_pins[] = {21};
342 static const unsigned int gpio0_22_pins[] = {22};
343 static const unsigned int gpio0_23_pins[] = {23};
344 static const unsigned int gpio0_24_pins[] = {24};
345 static const unsigned int gpio0_25_pins[] = {25};
346 static const unsigned int gpio0_26_pins[] = {26};
347 static const unsigned int gpio0_27_pins[] = {27};
348 static const unsigned int gpio0_28_pins[] = {28};
349 static const unsigned int gpio0_29_pins[] = {29};
350 static const unsigned int gpio0_30_pins[] = {30};
351 static const unsigned int gpio0_31_pins[] = {31};
352 static const unsigned int gpio0_32_pins[] = {32};
353 static const unsigned int gpio0_33_pins[] = {33};
354 static const unsigned int gpio0_34_pins[] = {34};
355 static const unsigned int gpio0_35_pins[] = {35};
356 static const unsigned int gpio0_36_pins[] = {36};
357 static const unsigned int gpio0_37_pins[] = {37};
358 static const unsigned int gpio0_38_pins[] = {38};
359 static const unsigned int gpio0_39_pins[] = {39};
360 static const unsigned int gpio0_40_pins[] = {40};
361 static const unsigned int gpio0_41_pins[] = {41};
362 static const unsigned int gpio0_42_pins[] = {42};
363 static const unsigned int gpio0_43_pins[] = {43};
364 static const unsigned int gpio0_44_pins[] = {44};
365 static const unsigned int gpio0_45_pins[] = {45};
366 static const unsigned int gpio0_46_pins[] = {46};
367 static const unsigned int gpio0_47_pins[] = {47};
368 static const unsigned int gpio0_48_pins[] = {48};
369 static const unsigned int gpio0_49_pins[] = {49};
370 static const unsigned int gpio0_50_pins[] = {50};
371 static const unsigned int gpio0_51_pins[] = {51};
372 static const unsigned int gpio0_52_pins[] = {52};
373 static const unsigned int gpio0_53_pins[] = {53};
374 static const unsigned int usb0_0_pins[] = {28, 29, 30, 31, 32, 33, 34, 35, 36,
375 					   37, 38, 39};
376 static const unsigned int usb1_0_pins[] = {40, 41, 42, 43, 44, 45, 46, 47, 48,
377 					   49, 50, 51};
378 
379 #define DEFINE_ZYNQ_PINCTRL_GRP(nm) \
380 	{ \
381 		.name = #nm "_grp", \
382 		.pins = nm ## _pins, \
383 		.npins = ARRAY_SIZE(nm ## _pins), \
384 	}
385 
386 static const struct zynq_pctrl_group zynq_pctrl_groups[] = {
387 	DEFINE_ZYNQ_PINCTRL_GRP(ethernet0_0),
388 	DEFINE_ZYNQ_PINCTRL_GRP(ethernet1_0),
389 	DEFINE_ZYNQ_PINCTRL_GRP(mdio0_0),
390 	DEFINE_ZYNQ_PINCTRL_GRP(mdio1_0),
391 	DEFINE_ZYNQ_PINCTRL_GRP(qspi0_0),
392 	DEFINE_ZYNQ_PINCTRL_GRP(qspi1_0),
393 	DEFINE_ZYNQ_PINCTRL_GRP(qspi_fbclk),
394 	DEFINE_ZYNQ_PINCTRL_GRP(qspi_cs1),
395 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_0),
396 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_0_ss0),
397 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_0_ss1),
398 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_0_ss2),
399 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_1),
400 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_1_ss0),
401 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_1_ss1),
402 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_1_ss2),
403 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_2),
404 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_2_ss0),
405 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_2_ss1),
406 	DEFINE_ZYNQ_PINCTRL_GRP(spi0_2_ss2),
407 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_0),
408 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_0_ss0),
409 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_0_ss1),
410 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_0_ss2),
411 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_1),
412 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_1_ss0),
413 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_1_ss1),
414 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_1_ss2),
415 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_2),
416 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_2_ss0),
417 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_2_ss1),
418 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_2_ss2),
419 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_3),
420 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_3_ss0),
421 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_3_ss1),
422 	DEFINE_ZYNQ_PINCTRL_GRP(spi1_3_ss2),
423 	DEFINE_ZYNQ_PINCTRL_GRP(sdio0_0),
424 	DEFINE_ZYNQ_PINCTRL_GRP(sdio0_1),
425 	DEFINE_ZYNQ_PINCTRL_GRP(sdio0_2),
426 	DEFINE_ZYNQ_PINCTRL_GRP(sdio1_0),
427 	DEFINE_ZYNQ_PINCTRL_GRP(sdio1_1),
428 	DEFINE_ZYNQ_PINCTRL_GRP(sdio1_2),
429 	DEFINE_ZYNQ_PINCTRL_GRP(sdio1_3),
430 	DEFINE_ZYNQ_PINCTRL_GRP(sdio0_emio_wp),
431 	DEFINE_ZYNQ_PINCTRL_GRP(sdio0_emio_cd),
432 	DEFINE_ZYNQ_PINCTRL_GRP(sdio1_emio_wp),
433 	DEFINE_ZYNQ_PINCTRL_GRP(sdio1_emio_cd),
434 	DEFINE_ZYNQ_PINCTRL_GRP(smc0_nor),
435 	DEFINE_ZYNQ_PINCTRL_GRP(smc0_nor_cs1),
436 	DEFINE_ZYNQ_PINCTRL_GRP(smc0_nor_addr25),
437 	DEFINE_ZYNQ_PINCTRL_GRP(smc0_nand),
438 	DEFINE_ZYNQ_PINCTRL_GRP(smc0_nand8),
439 	DEFINE_ZYNQ_PINCTRL_GRP(can0_0),
440 	DEFINE_ZYNQ_PINCTRL_GRP(can0_1),
441 	DEFINE_ZYNQ_PINCTRL_GRP(can0_2),
442 	DEFINE_ZYNQ_PINCTRL_GRP(can0_3),
443 	DEFINE_ZYNQ_PINCTRL_GRP(can0_4),
444 	DEFINE_ZYNQ_PINCTRL_GRP(can0_5),
445 	DEFINE_ZYNQ_PINCTRL_GRP(can0_6),
446 	DEFINE_ZYNQ_PINCTRL_GRP(can0_7),
447 	DEFINE_ZYNQ_PINCTRL_GRP(can0_8),
448 	DEFINE_ZYNQ_PINCTRL_GRP(can0_9),
449 	DEFINE_ZYNQ_PINCTRL_GRP(can0_10),
450 	DEFINE_ZYNQ_PINCTRL_GRP(can1_0),
451 	DEFINE_ZYNQ_PINCTRL_GRP(can1_1),
452 	DEFINE_ZYNQ_PINCTRL_GRP(can1_2),
453 	DEFINE_ZYNQ_PINCTRL_GRP(can1_3),
454 	DEFINE_ZYNQ_PINCTRL_GRP(can1_4),
455 	DEFINE_ZYNQ_PINCTRL_GRP(can1_5),
456 	DEFINE_ZYNQ_PINCTRL_GRP(can1_6),
457 	DEFINE_ZYNQ_PINCTRL_GRP(can1_7),
458 	DEFINE_ZYNQ_PINCTRL_GRP(can1_8),
459 	DEFINE_ZYNQ_PINCTRL_GRP(can1_9),
460 	DEFINE_ZYNQ_PINCTRL_GRP(can1_10),
461 	DEFINE_ZYNQ_PINCTRL_GRP(can1_11),
462 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_0),
463 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_1),
464 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_2),
465 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_3),
466 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_4),
467 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_5),
468 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_6),
469 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_7),
470 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_8),
471 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_9),
472 	DEFINE_ZYNQ_PINCTRL_GRP(uart0_10),
473 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_0),
474 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_1),
475 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_2),
476 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_3),
477 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_4),
478 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_5),
479 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_6),
480 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_7),
481 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_8),
482 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_9),
483 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_10),
484 	DEFINE_ZYNQ_PINCTRL_GRP(uart1_11),
485 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_0),
486 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_1),
487 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_2),
488 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_3),
489 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_4),
490 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_5),
491 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_6),
492 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_7),
493 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_8),
494 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_9),
495 	DEFINE_ZYNQ_PINCTRL_GRP(i2c0_10),
496 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_0),
497 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_1),
498 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_2),
499 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_3),
500 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_4),
501 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_5),
502 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_6),
503 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_7),
504 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_8),
505 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_9),
506 	DEFINE_ZYNQ_PINCTRL_GRP(i2c1_10),
507 	DEFINE_ZYNQ_PINCTRL_GRP(ttc0_0),
508 	DEFINE_ZYNQ_PINCTRL_GRP(ttc0_1),
509 	DEFINE_ZYNQ_PINCTRL_GRP(ttc0_2),
510 	DEFINE_ZYNQ_PINCTRL_GRP(ttc1_0),
511 	DEFINE_ZYNQ_PINCTRL_GRP(ttc1_1),
512 	DEFINE_ZYNQ_PINCTRL_GRP(ttc1_2),
513 	DEFINE_ZYNQ_PINCTRL_GRP(swdt0_0),
514 	DEFINE_ZYNQ_PINCTRL_GRP(swdt0_1),
515 	DEFINE_ZYNQ_PINCTRL_GRP(swdt0_2),
516 	DEFINE_ZYNQ_PINCTRL_GRP(swdt0_3),
517 	DEFINE_ZYNQ_PINCTRL_GRP(swdt0_4),
518 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_0),
519 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_1),
520 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_2),
521 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_3),
522 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_4),
523 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_5),
524 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_6),
525 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_7),
526 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_8),
527 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_9),
528 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_10),
529 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_11),
530 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_12),
531 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_13),
532 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_14),
533 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_15),
534 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_16),
535 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_17),
536 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_18),
537 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_19),
538 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_20),
539 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_21),
540 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_22),
541 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_23),
542 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_24),
543 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_25),
544 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_26),
545 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_27),
546 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_28),
547 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_29),
548 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_30),
549 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_31),
550 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_32),
551 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_33),
552 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_34),
553 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_35),
554 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_36),
555 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_37),
556 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_38),
557 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_39),
558 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_40),
559 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_41),
560 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_42),
561 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_43),
562 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_44),
563 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_45),
564 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_46),
565 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_47),
566 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_48),
567 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_49),
568 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_50),
569 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_51),
570 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_52),
571 	DEFINE_ZYNQ_PINCTRL_GRP(gpio0_53),
572 	DEFINE_ZYNQ_PINCTRL_GRP(usb0_0),
573 	DEFINE_ZYNQ_PINCTRL_GRP(usb1_0),
574 };
575 
576 /* function groups */
577 static const char * const ethernet0_groups[] = {"ethernet0_0_grp"};
578 static const char * const ethernet1_groups[] = {"ethernet1_0_grp"};
579 static const char * const usb0_groups[] = {"usb0_0_grp"};
580 static const char * const usb1_groups[] = {"usb1_0_grp"};
581 static const char * const mdio0_groups[] = {"mdio0_0_grp"};
582 static const char * const mdio1_groups[] = {"mdio1_0_grp"};
583 static const char * const qspi0_groups[] = {"qspi0_0_grp"};
584 static const char * const qspi1_groups[] = {"qspi1_0_grp"};
585 static const char * const qspi_fbclk_groups[] = {"qspi_fbclk_grp"};
586 static const char * const qspi_cs1_groups[] = {"qspi_cs1_grp"};
587 static const char * const spi0_groups[] = {"spi0_0_grp", "spi0_1_grp",
588 					   "spi0_2_grp"};
589 static const char * const spi1_groups[] = {"spi1_0_grp", "spi1_1_grp",
590 					   "spi1_2_grp", "spi1_3_grp"};
591 static const char * const spi0_ss_groups[] = {"spi0_0_ss0_grp",
592 		"spi0_0_ss1_grp", "spi0_0_ss2_grp", "spi0_1_ss0_grp",
593 		"spi0_1_ss1_grp", "spi0_1_ss2_grp", "spi0_2_ss0_grp",
594 		"spi0_2_ss1_grp", "spi0_2_ss2_grp"};
595 static const char * const spi1_ss_groups[] = {"spi1_0_ss0_grp",
596 		"spi1_0_ss1_grp", "spi1_0_ss2_grp", "spi1_1_ss0_grp",
597 		"spi1_1_ss1_grp", "spi1_1_ss2_grp", "spi1_2_ss0_grp",
598 		"spi1_2_ss1_grp", "spi1_2_ss2_grp", "spi1_3_ss0_grp",
599 		"spi1_3_ss1_grp", "spi1_3_ss2_grp"};
600 static const char * const sdio0_groups[] = {"sdio0_0_grp", "sdio0_1_grp",
601 					    "sdio0_2_grp"};
602 static const char * const sdio1_groups[] = {"sdio1_0_grp", "sdio1_1_grp",
603 					    "sdio1_2_grp", "sdio1_3_grp"};
604 static const char * const sdio0_pc_groups[] = {"gpio0_0_grp",
605 		"gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp",
606 		"gpio0_8_grp", "gpio0_10_grp", "gpio0_12_grp",
607 		"gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp",
608 		"gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp",
609 		"gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp",
610 		"gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp",
611 		"gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp",
612 		"gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp",
613 		"gpio0_50_grp", "gpio0_52_grp"};
614 static const char * const sdio1_pc_groups[] = {"gpio0_1_grp",
615 		"gpio0_3_grp", "gpio0_5_grp", "gpio0_7_grp",
616 		"gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp",
617 		"gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp",
618 		"gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp",
619 		"gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp",
620 		"gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp",
621 		"gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp",
622 		"gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp",
623 		"gpio0_51_grp", "gpio0_53_grp"};
624 static const char * const sdio0_cd_groups[] = {"gpio0_0_grp",
625 		"gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp",
626 		"gpio0_10_grp", "gpio0_12_grp",
627 		"gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp",
628 		"gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp",
629 		"gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp",
630 		"gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp",
631 		"gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp",
632 		"gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp",
633 		"gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp",
634 		"gpio0_3_grp", "gpio0_5_grp",
635 		"gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp",
636 		"gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp",
637 		"gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp",
638 		"gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp",
639 		"gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp",
640 		"gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp",
641 		"gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp",
642 		"gpio0_51_grp", "gpio0_53_grp", "sdio0_emio_cd_grp"};
643 static const char * const sdio0_wp_groups[] = {"gpio0_0_grp",
644 		"gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp",
645 		"gpio0_10_grp", "gpio0_12_grp",
646 		"gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp",
647 		"gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp",
648 		"gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp",
649 		"gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp",
650 		"gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp",
651 		"gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp",
652 		"gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp",
653 		"gpio0_3_grp", "gpio0_5_grp",
654 		"gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp",
655 		"gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp",
656 		"gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp",
657 		"gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp",
658 		"gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp",
659 		"gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp",
660 		"gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp",
661 		"gpio0_51_grp", "gpio0_53_grp", "sdio0_emio_wp_grp"};
662 static const char * const sdio1_cd_groups[] = {"gpio0_0_grp",
663 		"gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp",
664 		"gpio0_10_grp", "gpio0_12_grp",
665 		"gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp",
666 		"gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp",
667 		"gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp",
668 		"gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp",
669 		"gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp",
670 		"gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp",
671 		"gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp",
672 		"gpio0_3_grp", "gpio0_5_grp",
673 		"gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp",
674 		"gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp",
675 		"gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp",
676 		"gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp",
677 		"gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp",
678 		"gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp",
679 		"gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp",
680 		"gpio0_51_grp", "gpio0_53_grp", "sdio1_emio_cd_grp"};
681 static const char * const sdio1_wp_groups[] = {"gpio0_0_grp",
682 		"gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp",
683 		"gpio0_10_grp", "gpio0_12_grp",
684 		"gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp",
685 		"gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp",
686 		"gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp",
687 		"gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp",
688 		"gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp",
689 		"gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp",
690 		"gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp",
691 		"gpio0_3_grp", "gpio0_5_grp",
692 		"gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp",
693 		"gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp",
694 		"gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp",
695 		"gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp",
696 		"gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp",
697 		"gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp",
698 		"gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp",
699 		"gpio0_51_grp", "gpio0_53_grp", "sdio1_emio_wp_grp"};
700 static const char * const smc0_nor_groups[] = {"smc0_nor_grp"};
701 static const char * const smc0_nor_cs1_groups[] = {"smc0_nor_cs1_grp"};
702 static const char * const smc0_nor_addr25_groups[] = {"smc0_nor_addr25_grp"};
703 static const char * const smc0_nand_groups[] = {"smc0_nand_grp",
704 		"smc0_nand8_grp"};
705 static const char * const can0_groups[] = {"can0_0_grp", "can0_1_grp",
706 		"can0_2_grp", "can0_3_grp", "can0_4_grp", "can0_5_grp",
707 		"can0_6_grp", "can0_7_grp", "can0_8_grp", "can0_9_grp",
708 		"can0_10_grp"};
709 static const char * const can1_groups[] = {"can1_0_grp", "can1_1_grp",
710 		"can1_2_grp", "can1_3_grp", "can1_4_grp", "can1_5_grp",
711 		"can1_6_grp", "can1_7_grp", "can1_8_grp", "can1_9_grp",
712 		"can1_10_grp", "can1_11_grp"};
713 static const char * const uart0_groups[] = {"uart0_0_grp", "uart0_1_grp",
714 		"uart0_2_grp", "uart0_3_grp", "uart0_4_grp", "uart0_5_grp",
715 		"uart0_6_grp", "uart0_7_grp", "uart0_8_grp", "uart0_9_grp",
716 		"uart0_10_grp"};
717 static const char * const uart1_groups[] = {"uart1_0_grp", "uart1_1_grp",
718 		"uart1_2_grp", "uart1_3_grp", "uart1_4_grp", "uart1_5_grp",
719 		"uart1_6_grp", "uart1_7_grp", "uart1_8_grp", "uart1_9_grp",
720 		"uart1_10_grp", "uart1_11_grp"};
721 static const char * const i2c0_groups[] = {"i2c0_0_grp", "i2c0_1_grp",
722 		"i2c0_2_grp", "i2c0_3_grp", "i2c0_4_grp", "i2c0_5_grp",
723 		"i2c0_6_grp", "i2c0_7_grp", "i2c0_8_grp", "i2c0_9_grp",
724 		"i2c0_10_grp"};
725 static const char * const i2c1_groups[] = {"i2c1_0_grp", "i2c1_1_grp",
726 		"i2c1_2_grp", "i2c1_3_grp", "i2c1_4_grp", "i2c1_5_grp",
727 		"i2c1_6_grp", "i2c1_7_grp", "i2c1_8_grp", "i2c1_9_grp",
728 		"i2c1_10_grp"};
729 static const char * const ttc0_groups[] = {"ttc0_0_grp", "ttc0_1_grp",
730 					   "ttc0_2_grp"};
731 static const char * const ttc1_groups[] = {"ttc1_0_grp", "ttc1_1_grp",
732 					   "ttc1_2_grp"};
733 static const char * const swdt0_groups[] = {"swdt0_0_grp", "swdt0_1_grp",
734 		"swdt0_2_grp", "swdt0_3_grp", "swdt0_4_grp"};
735 static const char * const gpio0_groups[] = {"gpio0_0_grp",
736 		"gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp",
737 		"gpio0_8_grp", "gpio0_10_grp", "gpio0_12_grp",
738 		"gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp",
739 		"gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp",
740 		"gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp",
741 		"gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp",
742 		"gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp",
743 		"gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp",
744 		"gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp",
745 		"gpio0_3_grp", "gpio0_5_grp", "gpio0_7_grp",
746 		"gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp",
747 		"gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp",
748 		"gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp",
749 		"gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp",
750 		"gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp",
751 		"gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp",
752 		"gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp",
753 		"gpio0_51_grp", "gpio0_53_grp"};
754 
755 #define DEFINE_ZYNQ_PINMUX_FUNCTION(fname, mval)	\
756 	[ZYNQ_PMUX_##fname] = {				\
757 		.name = #fname,				\
758 		.groups = fname##_groups,		\
759 		.ngroups = ARRAY_SIZE(fname##_groups),	\
760 		.mux_val = mval,			\
761 	}
762 
763 #define DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(fname, mval, offset, mask, shift)\
764 	[ZYNQ_PMUX_##fname] = {				\
765 		.name = #fname,				\
766 		.groups = fname##_groups,		\
767 		.ngroups = ARRAY_SIZE(fname##_groups),	\
768 		.mux_val = mval,			\
769 		.mux = offset,				\
770 		.mux_mask = mask,			\
771 		.mux_shift = shift,			\
772 	}
773 
774 #define ZYNQ_SDIO_WP_SHIFT	0
775 #define ZYNQ_SDIO_WP_MASK	(0x3f << ZYNQ_SDIO_WP_SHIFT)
776 #define ZYNQ_SDIO_CD_SHIFT	16
777 #define ZYNQ_SDIO_CD_MASK	(0x3f << ZYNQ_SDIO_CD_SHIFT)
778 
779 static const struct zynq_pinmux_function zynq_pmux_functions[] = {
780 	DEFINE_ZYNQ_PINMUX_FUNCTION(ethernet0, 1),
781 	DEFINE_ZYNQ_PINMUX_FUNCTION(ethernet1, 1),
782 	DEFINE_ZYNQ_PINMUX_FUNCTION(usb0, 2),
783 	DEFINE_ZYNQ_PINMUX_FUNCTION(usb1, 2),
784 	DEFINE_ZYNQ_PINMUX_FUNCTION(mdio0, 0x40),
785 	DEFINE_ZYNQ_PINMUX_FUNCTION(mdio1, 0x50),
786 	DEFINE_ZYNQ_PINMUX_FUNCTION(qspi0, 1),
787 	DEFINE_ZYNQ_PINMUX_FUNCTION(qspi1, 1),
788 	DEFINE_ZYNQ_PINMUX_FUNCTION(qspi_fbclk, 1),
789 	DEFINE_ZYNQ_PINMUX_FUNCTION(qspi_cs1, 1),
790 	DEFINE_ZYNQ_PINMUX_FUNCTION(spi0, 0x50),
791 	DEFINE_ZYNQ_PINMUX_FUNCTION(spi1, 0x50),
792 	DEFINE_ZYNQ_PINMUX_FUNCTION(spi0_ss, 0x50),
793 	DEFINE_ZYNQ_PINMUX_FUNCTION(spi1_ss, 0x50),
794 	DEFINE_ZYNQ_PINMUX_FUNCTION(sdio0, 0x40),
795 	DEFINE_ZYNQ_PINMUX_FUNCTION(sdio0_pc, 0xc),
796 	DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(sdio0_wp, 0, 0x130, ZYNQ_SDIO_WP_MASK,
797 					ZYNQ_SDIO_WP_SHIFT),
798 	DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(sdio0_cd, 0, 0x130, ZYNQ_SDIO_CD_MASK,
799 					ZYNQ_SDIO_CD_SHIFT),
800 	DEFINE_ZYNQ_PINMUX_FUNCTION(sdio1, 0x40),
801 	DEFINE_ZYNQ_PINMUX_FUNCTION(sdio1_pc, 0xc),
802 	DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(sdio1_wp, 0, 0x134, ZYNQ_SDIO_WP_MASK,
803 					ZYNQ_SDIO_WP_SHIFT),
804 	DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(sdio1_cd, 0, 0x134, ZYNQ_SDIO_CD_MASK,
805 					ZYNQ_SDIO_CD_SHIFT),
806 	DEFINE_ZYNQ_PINMUX_FUNCTION(smc0_nor, 4),
807 	DEFINE_ZYNQ_PINMUX_FUNCTION(smc0_nor_cs1, 8),
808 	DEFINE_ZYNQ_PINMUX_FUNCTION(smc0_nor_addr25, 4),
809 	DEFINE_ZYNQ_PINMUX_FUNCTION(smc0_nand, 8),
810 	DEFINE_ZYNQ_PINMUX_FUNCTION(can0, 0x10),
811 	DEFINE_ZYNQ_PINMUX_FUNCTION(can1, 0x10),
812 	DEFINE_ZYNQ_PINMUX_FUNCTION(uart0, 0x70),
813 	DEFINE_ZYNQ_PINMUX_FUNCTION(uart1, 0x70),
814 	DEFINE_ZYNQ_PINMUX_FUNCTION(i2c0, 0x20),
815 	DEFINE_ZYNQ_PINMUX_FUNCTION(i2c1, 0x20),
816 	DEFINE_ZYNQ_PINMUX_FUNCTION(ttc0, 0x60),
817 	DEFINE_ZYNQ_PINMUX_FUNCTION(ttc1, 0x60),
818 	DEFINE_ZYNQ_PINMUX_FUNCTION(swdt0, 0x30),
819 	DEFINE_ZYNQ_PINMUX_FUNCTION(gpio0, 0),
820 };
821 
822 
823 /* pinctrl */
zynq_pctrl_get_groups_count(struct pinctrl_dev * pctldev)824 static int zynq_pctrl_get_groups_count(struct pinctrl_dev *pctldev)
825 {
826 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
827 
828 	return pctrl->ngroups;
829 }
830 
zynq_pctrl_get_group_name(struct pinctrl_dev * pctldev,unsigned int selector)831 static const char *zynq_pctrl_get_group_name(struct pinctrl_dev *pctldev,
832 					     unsigned int selector)
833 {
834 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
835 
836 	return pctrl->groups[selector].name;
837 }
838 
zynq_pctrl_get_group_pins(struct pinctrl_dev * pctldev,unsigned int selector,const unsigned int ** pins,unsigned int * num_pins)839 static int zynq_pctrl_get_group_pins(struct pinctrl_dev *pctldev,
840 				     unsigned int selector,
841 				     const unsigned int **pins,
842 				     unsigned int *num_pins)
843 {
844 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
845 
846 	*pins = pctrl->groups[selector].pins;
847 	*num_pins = pctrl->groups[selector].npins;
848 
849 	return 0;
850 }
851 
852 static const struct pinctrl_ops zynq_pctrl_ops = {
853 	.get_groups_count = zynq_pctrl_get_groups_count,
854 	.get_group_name = zynq_pctrl_get_group_name,
855 	.get_group_pins = zynq_pctrl_get_group_pins,
856 	.dt_node_to_map = pinconf_generic_dt_node_to_map_all,
857 	.dt_free_map = pinctrl_utils_free_map,
858 };
859 
860 /* pinmux */
zynq_pmux_get_functions_count(struct pinctrl_dev * pctldev)861 static int zynq_pmux_get_functions_count(struct pinctrl_dev *pctldev)
862 {
863 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
864 
865 	return pctrl->nfuncs;
866 }
867 
zynq_pmux_get_function_name(struct pinctrl_dev * pctldev,unsigned int selector)868 static const char *zynq_pmux_get_function_name(struct pinctrl_dev *pctldev,
869 					       unsigned int selector)
870 {
871 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
872 
873 	return pctrl->funcs[selector].name;
874 }
875 
zynq_pmux_get_function_groups(struct pinctrl_dev * pctldev,unsigned int selector,const char * const ** groups,unsigned * const num_groups)876 static int zynq_pmux_get_function_groups(struct pinctrl_dev *pctldev,
877 					 unsigned int selector,
878 					 const char * const **groups,
879 					 unsigned * const num_groups)
880 {
881 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
882 
883 	*groups = pctrl->funcs[selector].groups;
884 	*num_groups = pctrl->funcs[selector].ngroups;
885 	return 0;
886 }
887 
zynq_pinmux_set_mux(struct pinctrl_dev * pctldev,unsigned int function,unsigned int group)888 static int zynq_pinmux_set_mux(struct pinctrl_dev *pctldev,
889 			       unsigned int function,
890 			       unsigned int  group)
891 {
892 	int i, ret;
893 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
894 	const struct zynq_pctrl_group *pgrp = &pctrl->groups[group];
895 	const struct zynq_pinmux_function *func = &pctrl->funcs[function];
896 
897 	/*
898 	 * SD WP & CD are special. They have dedicated registers
899 	 * to mux them in
900 	 */
901 	if (function == ZYNQ_PMUX_sdio0_cd || function == ZYNQ_PMUX_sdio0_wp ||
902 			function == ZYNQ_PMUX_sdio1_cd ||
903 			function == ZYNQ_PMUX_sdio1_wp) {
904 		u32 reg;
905 
906 		ret = regmap_read(pctrl->syscon,
907 				  pctrl->pctrl_offset + func->mux, &reg);
908 		if (ret)
909 			return ret;
910 
911 		reg &= ~func->mux_mask;
912 		reg |= pgrp->pins[0] << func->mux_shift;
913 		ret = regmap_write(pctrl->syscon,
914 				   pctrl->pctrl_offset + func->mux, reg);
915 		if (ret)
916 			return ret;
917 	} else {
918 		for (i = 0; i < pgrp->npins; i++) {
919 			unsigned int pin = pgrp->pins[i];
920 			u32 reg, addr = pctrl->pctrl_offset + (4 * pin);
921 
922 			ret = regmap_read(pctrl->syscon, addr, &reg);
923 			if (ret)
924 				return ret;
925 
926 			reg &= ~ZYNQ_PINMUX_MUX_MASK;
927 			reg |= func->mux_val << ZYNQ_PINMUX_MUX_SHIFT;
928 			ret = regmap_write(pctrl->syscon, addr, reg);
929 			if (ret)
930 				return ret;
931 		}
932 	}
933 
934 	return 0;
935 }
936 
937 static const struct pinmux_ops zynq_pinmux_ops = {
938 	.get_functions_count = zynq_pmux_get_functions_count,
939 	.get_function_name = zynq_pmux_get_function_name,
940 	.get_function_groups = zynq_pmux_get_function_groups,
941 	.set_mux = zynq_pinmux_set_mux,
942 };
943 
944 /* pinconfig */
945 #define ZYNQ_PINCONF_TRISTATE		BIT(0)
946 #define ZYNQ_PINCONF_SPEED		BIT(8)
947 #define ZYNQ_PINCONF_PULLUP		BIT(12)
948 #define ZYNQ_PINCONF_DISABLE_RECVR	BIT(13)
949 
950 #define ZYNQ_PINCONF_IOTYPE_SHIFT	9
951 #define ZYNQ_PINCONF_IOTYPE_MASK	(7 << ZYNQ_PINCONF_IOTYPE_SHIFT)
952 
953 enum zynq_io_standards {
954 	zynq_iostd_min,
955 	zynq_iostd_lvcmos18,
956 	zynq_iostd_lvcmos25,
957 	zynq_iostd_lvcmos33,
958 	zynq_iostd_hstl,
959 	zynq_iostd_max
960 };
961 
962 /*
963  * PIN_CONFIG_IOSTANDARD: if the pin can select an IO standard, the argument to
964  *	this parameter (on a custom format) tells the driver which alternative
965  *	IO standard to use.
966  */
967 #define PIN_CONFIG_IOSTANDARD		(PIN_CONFIG_END + 1)
968 
969 static const struct pinconf_generic_params zynq_dt_params[] = {
970 	{"io-standard", PIN_CONFIG_IOSTANDARD, zynq_iostd_lvcmos18},
971 };
972 
973 #ifdef CONFIG_DEBUG_FS
974 static const struct pin_config_item zynq_conf_items[ARRAY_SIZE(zynq_dt_params)]
975 	= { PCONFDUMP(PIN_CONFIG_IOSTANDARD, "IO-standard", NULL, true),
976 };
977 #endif
978 
zynq_pinconf_iostd_get(u32 reg)979 static unsigned int zynq_pinconf_iostd_get(u32 reg)
980 {
981 	return (reg & ZYNQ_PINCONF_IOTYPE_MASK) >> ZYNQ_PINCONF_IOTYPE_SHIFT;
982 }
983 
zynq_pinconf_cfg_get(struct pinctrl_dev * pctldev,unsigned int pin,unsigned long * config)984 static int zynq_pinconf_cfg_get(struct pinctrl_dev *pctldev,
985 				unsigned int pin,
986 				unsigned long *config)
987 {
988 	u32 reg;
989 	int ret;
990 	unsigned int arg = 0;
991 	unsigned int param = pinconf_to_config_param(*config);
992 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
993 
994 	if (pin >= ZYNQ_NUM_MIOS)
995 		return -ENOTSUPP;
996 
997 	ret = regmap_read(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), &reg);
998 	if (ret)
999 		return -EIO;
1000 
1001 	switch (param) {
1002 	case PIN_CONFIG_BIAS_PULL_UP:
1003 		if (!(reg & ZYNQ_PINCONF_PULLUP))
1004 			return -EINVAL;
1005 		arg = 1;
1006 		break;
1007 	case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
1008 		if (!(reg & ZYNQ_PINCONF_TRISTATE))
1009 			return -EINVAL;
1010 		arg = 1;
1011 		break;
1012 	case PIN_CONFIG_BIAS_DISABLE:
1013 		if (reg & ZYNQ_PINCONF_PULLUP || reg & ZYNQ_PINCONF_TRISTATE)
1014 			return -EINVAL;
1015 		break;
1016 	case PIN_CONFIG_SLEW_RATE:
1017 		arg = !!(reg & ZYNQ_PINCONF_SPEED);
1018 		break;
1019 	case PIN_CONFIG_LOW_POWER_MODE:
1020 	{
1021 		enum zynq_io_standards iostd = zynq_pinconf_iostd_get(reg);
1022 
1023 		if (iostd != zynq_iostd_hstl)
1024 			return -EINVAL;
1025 		if (!(reg & ZYNQ_PINCONF_DISABLE_RECVR))
1026 			return -EINVAL;
1027 		arg = !!(reg & ZYNQ_PINCONF_DISABLE_RECVR);
1028 		break;
1029 	}
1030 	case PIN_CONFIG_IOSTANDARD:
1031 		arg = zynq_pinconf_iostd_get(reg);
1032 		break;
1033 	default:
1034 		return -ENOTSUPP;
1035 	}
1036 
1037 	*config = pinconf_to_config_packed(param, arg);
1038 	return 0;
1039 }
1040 
zynq_pinconf_cfg_set(struct pinctrl_dev * pctldev,unsigned int pin,unsigned long * configs,unsigned int num_configs)1041 static int zynq_pinconf_cfg_set(struct pinctrl_dev *pctldev,
1042 				unsigned int pin,
1043 				unsigned long *configs,
1044 				unsigned int num_configs)
1045 {
1046 	int i, ret;
1047 	u32 reg;
1048 	u32 pullup = 0;
1049 	u32 tristate = 0;
1050 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
1051 
1052 	if (pin >= ZYNQ_NUM_MIOS)
1053 		return -ENOTSUPP;
1054 
1055 	ret = regmap_read(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), &reg);
1056 	if (ret)
1057 		return -EIO;
1058 
1059 	for (i = 0; i < num_configs; i++) {
1060 		unsigned int param = pinconf_to_config_param(configs[i]);
1061 		unsigned int arg = pinconf_to_config_argument(configs[i]);
1062 
1063 		switch (param) {
1064 		case PIN_CONFIG_BIAS_PULL_UP:
1065 			pullup = ZYNQ_PINCONF_PULLUP;
1066 			break;
1067 		case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
1068 			tristate = ZYNQ_PINCONF_TRISTATE;
1069 			break;
1070 		case PIN_CONFIG_BIAS_DISABLE:
1071 			reg &= ~(ZYNQ_PINCONF_PULLUP | ZYNQ_PINCONF_TRISTATE);
1072 			break;
1073 		case PIN_CONFIG_SLEW_RATE:
1074 			if (arg)
1075 				reg |= ZYNQ_PINCONF_SPEED;
1076 			else
1077 				reg &= ~ZYNQ_PINCONF_SPEED;
1078 
1079 			break;
1080 		case PIN_CONFIG_IOSTANDARD:
1081 			if (arg <= zynq_iostd_min || arg >= zynq_iostd_max) {
1082 				dev_warn(pctldev->dev,
1083 					 "unsupported IO standard '%u'\n",
1084 					 param);
1085 				break;
1086 			}
1087 			reg &= ~ZYNQ_PINCONF_IOTYPE_MASK;
1088 			reg |= arg << ZYNQ_PINCONF_IOTYPE_SHIFT;
1089 			break;
1090 		case PIN_CONFIG_LOW_POWER_MODE:
1091 			if (arg)
1092 				reg |= ZYNQ_PINCONF_DISABLE_RECVR;
1093 			else
1094 				reg &= ~ZYNQ_PINCONF_DISABLE_RECVR;
1095 
1096 			break;
1097 		default:
1098 			dev_warn(pctldev->dev,
1099 				 "unsupported configuration parameter '%u'\n",
1100 				 param);
1101 			continue;
1102 		}
1103 	}
1104 
1105 	if (tristate || pullup) {
1106 		reg &= ~(ZYNQ_PINCONF_PULLUP | ZYNQ_PINCONF_TRISTATE);
1107 		reg |= tristate | pullup;
1108 	}
1109 
1110 	ret = regmap_write(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), reg);
1111 	if (ret)
1112 		return -EIO;
1113 
1114 	return 0;
1115 }
1116 
zynq_pinconf_group_set(struct pinctrl_dev * pctldev,unsigned int selector,unsigned long * configs,unsigned int num_configs)1117 static int zynq_pinconf_group_set(struct pinctrl_dev *pctldev,
1118 				  unsigned int selector,
1119 				  unsigned long *configs,
1120 				  unsigned int  num_configs)
1121 {
1122 	int i, ret;
1123 	struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
1124 	const struct zynq_pctrl_group *pgrp = &pctrl->groups[selector];
1125 
1126 	for (i = 0; i < pgrp->npins; i++) {
1127 		ret = zynq_pinconf_cfg_set(pctldev, pgrp->pins[i], configs,
1128 					   num_configs);
1129 		if (ret)
1130 			return ret;
1131 	}
1132 
1133 	return 0;
1134 }
1135 
1136 static const struct pinconf_ops zynq_pinconf_ops = {
1137 	.is_generic = true,
1138 	.pin_config_get = zynq_pinconf_cfg_get,
1139 	.pin_config_set = zynq_pinconf_cfg_set,
1140 	.pin_config_group_set = zynq_pinconf_group_set,
1141 };
1142 
1143 static struct pinctrl_desc zynq_desc = {
1144 	.name = "zynq_pinctrl",
1145 	.pins = zynq_pins,
1146 	.npins = ARRAY_SIZE(zynq_pins),
1147 	.pctlops = &zynq_pctrl_ops,
1148 	.pmxops = &zynq_pinmux_ops,
1149 	.confops = &zynq_pinconf_ops,
1150 	.num_custom_params = ARRAY_SIZE(zynq_dt_params),
1151 	.custom_params = zynq_dt_params,
1152 #ifdef CONFIG_DEBUG_FS
1153 	.custom_conf_items = zynq_conf_items,
1154 #endif
1155 	.owner = THIS_MODULE,
1156 };
1157 
zynq_pinctrl_probe(struct platform_device * pdev)1158 static int zynq_pinctrl_probe(struct platform_device *pdev)
1159 
1160 {
1161 	struct resource *res;
1162 	struct zynq_pinctrl *pctrl;
1163 
1164 	pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);
1165 	if (!pctrl)
1166 		return -ENOMEM;
1167 
1168 	pctrl->syscon = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
1169 							"syscon");
1170 	if (IS_ERR(pctrl->syscon)) {
1171 		dev_err(&pdev->dev, "unable to get syscon\n");
1172 		return PTR_ERR(pctrl->syscon);
1173 	}
1174 
1175 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1176 	if (!res) {
1177 		dev_err(&pdev->dev, "missing IO resource\n");
1178 		return -ENODEV;
1179 	}
1180 	pctrl->pctrl_offset = res->start;
1181 
1182 	pctrl->groups = zynq_pctrl_groups;
1183 	pctrl->ngroups = ARRAY_SIZE(zynq_pctrl_groups);
1184 	pctrl->funcs = zynq_pmux_functions;
1185 	pctrl->nfuncs = ARRAY_SIZE(zynq_pmux_functions);
1186 
1187 	pctrl->pctrl = devm_pinctrl_register(&pdev->dev, &zynq_desc, pctrl);
1188 	if (IS_ERR(pctrl->pctrl))
1189 		return PTR_ERR(pctrl->pctrl);
1190 
1191 	platform_set_drvdata(pdev, pctrl);
1192 
1193 	dev_info(&pdev->dev, "zynq pinctrl initialized\n");
1194 
1195 	return 0;
1196 }
1197 
1198 static const struct of_device_id zynq_pinctrl_of_match[] = {
1199 	{ .compatible = "xlnx,pinctrl-zynq" },
1200 	{ }
1201 };
1202 
1203 static struct platform_driver zynq_pinctrl_driver = {
1204 	.driver = {
1205 		.name = "zynq-pinctrl",
1206 		.of_match_table = zynq_pinctrl_of_match,
1207 	},
1208 	.probe = zynq_pinctrl_probe,
1209 };
1210 
zynq_pinctrl_init(void)1211 static int __init zynq_pinctrl_init(void)
1212 {
1213 	return platform_driver_register(&zynq_pinctrl_driver);
1214 }
1215 arch_initcall(zynq_pinctrl_init);
1216