1 // SPDX-License-Identifier: GPL-2.0+
2 //
3 // Freescale i.MX28 pinctrl driver
4 //
5 // Author: Shawn Guo <shawn.guo@linaro.org>
6 // Copyright 2012 Freescale Semiconductor, Inc.
7 
8 #include <linux/init.h>
9 #include <linux/mod_devicetable.h>
10 #include <linux/platform_device.h>
11 #include <linux/pinctrl/pinctrl.h>
12 #include "pinctrl-mxs.h"
13 
14 enum imx28_pin_enum {
15 	GPMI_D00	= PINID(0, 0),
16 	GPMI_D01	= PINID(0, 1),
17 	GPMI_D02	= PINID(0, 2),
18 	GPMI_D03	= PINID(0, 3),
19 	GPMI_D04	= PINID(0, 4),
20 	GPMI_D05	= PINID(0, 5),
21 	GPMI_D06	= PINID(0, 6),
22 	GPMI_D07	= PINID(0, 7),
23 	GPMI_CE0N	= PINID(0, 16),
24 	GPMI_CE1N	= PINID(0, 17),
25 	GPMI_CE2N	= PINID(0, 18),
26 	GPMI_CE3N	= PINID(0, 19),
27 	GPMI_RDY0	= PINID(0, 20),
28 	GPMI_RDY1	= PINID(0, 21),
29 	GPMI_RDY2	= PINID(0, 22),
30 	GPMI_RDY3	= PINID(0, 23),
31 	GPMI_RDN	= PINID(0, 24),
32 	GPMI_WRN	= PINID(0, 25),
33 	GPMI_ALE	= PINID(0, 26),
34 	GPMI_CLE	= PINID(0, 27),
35 	GPMI_RESETN	= PINID(0, 28),
36 	LCD_D00		= PINID(1, 0),
37 	LCD_D01		= PINID(1, 1),
38 	LCD_D02		= PINID(1, 2),
39 	LCD_D03		= PINID(1, 3),
40 	LCD_D04		= PINID(1, 4),
41 	LCD_D05		= PINID(1, 5),
42 	LCD_D06		= PINID(1, 6),
43 	LCD_D07		= PINID(1, 7),
44 	LCD_D08		= PINID(1, 8),
45 	LCD_D09		= PINID(1, 9),
46 	LCD_D10		= PINID(1, 10),
47 	LCD_D11		= PINID(1, 11),
48 	LCD_D12		= PINID(1, 12),
49 	LCD_D13		= PINID(1, 13),
50 	LCD_D14		= PINID(1, 14),
51 	LCD_D15		= PINID(1, 15),
52 	LCD_D16		= PINID(1, 16),
53 	LCD_D17		= PINID(1, 17),
54 	LCD_D18		= PINID(1, 18),
55 	LCD_D19		= PINID(1, 19),
56 	LCD_D20		= PINID(1, 20),
57 	LCD_D21		= PINID(1, 21),
58 	LCD_D22		= PINID(1, 22),
59 	LCD_D23		= PINID(1, 23),
60 	LCD_RD_E	= PINID(1, 24),
61 	LCD_WR_RWN	= PINID(1, 25),
62 	LCD_RS		= PINID(1, 26),
63 	LCD_CS		= PINID(1, 27),
64 	LCD_VSYNC	= PINID(1, 28),
65 	LCD_HSYNC	= PINID(1, 29),
66 	LCD_DOTCLK	= PINID(1, 30),
67 	LCD_ENABLE	= PINID(1, 31),
68 	SSP0_DATA0	= PINID(2, 0),
69 	SSP0_DATA1	= PINID(2, 1),
70 	SSP0_DATA2	= PINID(2, 2),
71 	SSP0_DATA3	= PINID(2, 3),
72 	SSP0_DATA4	= PINID(2, 4),
73 	SSP0_DATA5	= PINID(2, 5),
74 	SSP0_DATA6	= PINID(2, 6),
75 	SSP0_DATA7	= PINID(2, 7),
76 	SSP0_CMD	= PINID(2, 8),
77 	SSP0_DETECT	= PINID(2, 9),
78 	SSP0_SCK	= PINID(2, 10),
79 	SSP1_SCK	= PINID(2, 12),
80 	SSP1_CMD	= PINID(2, 13),
81 	SSP1_DATA0	= PINID(2, 14),
82 	SSP1_DATA3	= PINID(2, 15),
83 	SSP2_SCK	= PINID(2, 16),
84 	SSP2_MOSI	= PINID(2, 17),
85 	SSP2_MISO	= PINID(2, 18),
86 	SSP2_SS0	= PINID(2, 19),
87 	SSP2_SS1	= PINID(2, 20),
88 	SSP2_SS2	= PINID(2, 21),
89 	SSP3_SCK	= PINID(2, 24),
90 	SSP3_MOSI	= PINID(2, 25),
91 	SSP3_MISO	= PINID(2, 26),
92 	SSP3_SS0	= PINID(2, 27),
93 	AUART0_RX	= PINID(3, 0),
94 	AUART0_TX	= PINID(3, 1),
95 	AUART0_CTS	= PINID(3, 2),
96 	AUART0_RTS	= PINID(3, 3),
97 	AUART1_RX	= PINID(3, 4),
98 	AUART1_TX	= PINID(3, 5),
99 	AUART1_CTS	= PINID(3, 6),
100 	AUART1_RTS	= PINID(3, 7),
101 	AUART2_RX	= PINID(3, 8),
102 	AUART2_TX	= PINID(3, 9),
103 	AUART2_CTS	= PINID(3, 10),
104 	AUART2_RTS	= PINID(3, 11),
105 	AUART3_RX	= PINID(3, 12),
106 	AUART3_TX	= PINID(3, 13),
107 	AUART3_CTS	= PINID(3, 14),
108 	AUART3_RTS	= PINID(3, 15),
109 	PWM0		= PINID(3, 16),
110 	PWM1		= PINID(3, 17),
111 	PWM2		= PINID(3, 18),
112 	SAIF0_MCLK	= PINID(3, 20),
113 	SAIF0_LRCLK	= PINID(3, 21),
114 	SAIF0_BITCLK	= PINID(3, 22),
115 	SAIF0_SDATA0	= PINID(3, 23),
116 	I2C0_SCL	= PINID(3, 24),
117 	I2C0_SDA	= PINID(3, 25),
118 	SAIF1_SDATA0	= PINID(3, 26),
119 	SPDIF		= PINID(3, 27),
120 	PWM3		= PINID(3, 28),
121 	PWM4		= PINID(3, 29),
122 	LCD_RESET	= PINID(3, 30),
123 	ENET0_MDC	= PINID(4, 0),
124 	ENET0_MDIO	= PINID(4, 1),
125 	ENET0_RX_EN	= PINID(4, 2),
126 	ENET0_RXD0	= PINID(4, 3),
127 	ENET0_RXD1	= PINID(4, 4),
128 	ENET0_TX_CLK	= PINID(4, 5),
129 	ENET0_TX_EN	= PINID(4, 6),
130 	ENET0_TXD0	= PINID(4, 7),
131 	ENET0_TXD1	= PINID(4, 8),
132 	ENET0_RXD2	= PINID(4, 9),
133 	ENET0_RXD3	= PINID(4, 10),
134 	ENET0_TXD2	= PINID(4, 11),
135 	ENET0_TXD3	= PINID(4, 12),
136 	ENET0_RX_CLK	= PINID(4, 13),
137 	ENET0_COL	= PINID(4, 14),
138 	ENET0_CRS	= PINID(4, 15),
139 	ENET_CLK	= PINID(4, 16),
140 	JTAG_RTCK	= PINID(4, 20),
141 	EMI_D00		= PINID(5, 0),
142 	EMI_D01		= PINID(5, 1),
143 	EMI_D02		= PINID(5, 2),
144 	EMI_D03		= PINID(5, 3),
145 	EMI_D04		= PINID(5, 4),
146 	EMI_D05		= PINID(5, 5),
147 	EMI_D06		= PINID(5, 6),
148 	EMI_D07		= PINID(5, 7),
149 	EMI_D08		= PINID(5, 8),
150 	EMI_D09		= PINID(5, 9),
151 	EMI_D10		= PINID(5, 10),
152 	EMI_D11		= PINID(5, 11),
153 	EMI_D12		= PINID(5, 12),
154 	EMI_D13		= PINID(5, 13),
155 	EMI_D14		= PINID(5, 14),
156 	EMI_D15		= PINID(5, 15),
157 	EMI_ODT0	= PINID(5, 16),
158 	EMI_DQM0	= PINID(5, 17),
159 	EMI_ODT1	= PINID(5, 18),
160 	EMI_DQM1	= PINID(5, 19),
161 	EMI_DDR_OPEN_FB	= PINID(5, 20),
162 	EMI_CLK		= PINID(5, 21),
163 	EMI_DQS0	= PINID(5, 22),
164 	EMI_DQS1	= PINID(5, 23),
165 	EMI_DDR_OPEN	= PINID(5, 26),
166 	EMI_A00		= PINID(6, 0),
167 	EMI_A01		= PINID(6, 1),
168 	EMI_A02		= PINID(6, 2),
169 	EMI_A03		= PINID(6, 3),
170 	EMI_A04		= PINID(6, 4),
171 	EMI_A05		= PINID(6, 5),
172 	EMI_A06		= PINID(6, 6),
173 	EMI_A07		= PINID(6, 7),
174 	EMI_A08		= PINID(6, 8),
175 	EMI_A09		= PINID(6, 9),
176 	EMI_A10		= PINID(6, 10),
177 	EMI_A11		= PINID(6, 11),
178 	EMI_A12		= PINID(6, 12),
179 	EMI_A13		= PINID(6, 13),
180 	EMI_A14		= PINID(6, 14),
181 	EMI_BA0		= PINID(6, 16),
182 	EMI_BA1		= PINID(6, 17),
183 	EMI_BA2		= PINID(6, 18),
184 	EMI_CASN	= PINID(6, 19),
185 	EMI_RASN	= PINID(6, 20),
186 	EMI_WEN		= PINID(6, 21),
187 	EMI_CE0N	= PINID(6, 22),
188 	EMI_CE1N	= PINID(6, 23),
189 	EMI_CKE		= PINID(6, 24),
190 };
191 
192 static const struct pinctrl_pin_desc imx28_pins[] = {
193 	MXS_PINCTRL_PIN(GPMI_D00),
194 	MXS_PINCTRL_PIN(GPMI_D01),
195 	MXS_PINCTRL_PIN(GPMI_D02),
196 	MXS_PINCTRL_PIN(GPMI_D03),
197 	MXS_PINCTRL_PIN(GPMI_D04),
198 	MXS_PINCTRL_PIN(GPMI_D05),
199 	MXS_PINCTRL_PIN(GPMI_D06),
200 	MXS_PINCTRL_PIN(GPMI_D07),
201 	MXS_PINCTRL_PIN(GPMI_CE0N),
202 	MXS_PINCTRL_PIN(GPMI_CE1N),
203 	MXS_PINCTRL_PIN(GPMI_CE2N),
204 	MXS_PINCTRL_PIN(GPMI_CE3N),
205 	MXS_PINCTRL_PIN(GPMI_RDY0),
206 	MXS_PINCTRL_PIN(GPMI_RDY1),
207 	MXS_PINCTRL_PIN(GPMI_RDY2),
208 	MXS_PINCTRL_PIN(GPMI_RDY3),
209 	MXS_PINCTRL_PIN(GPMI_RDN),
210 	MXS_PINCTRL_PIN(GPMI_WRN),
211 	MXS_PINCTRL_PIN(GPMI_ALE),
212 	MXS_PINCTRL_PIN(GPMI_CLE),
213 	MXS_PINCTRL_PIN(GPMI_RESETN),
214 	MXS_PINCTRL_PIN(LCD_D00),
215 	MXS_PINCTRL_PIN(LCD_D01),
216 	MXS_PINCTRL_PIN(LCD_D02),
217 	MXS_PINCTRL_PIN(LCD_D03),
218 	MXS_PINCTRL_PIN(LCD_D04),
219 	MXS_PINCTRL_PIN(LCD_D05),
220 	MXS_PINCTRL_PIN(LCD_D06),
221 	MXS_PINCTRL_PIN(LCD_D07),
222 	MXS_PINCTRL_PIN(LCD_D08),
223 	MXS_PINCTRL_PIN(LCD_D09),
224 	MXS_PINCTRL_PIN(LCD_D10),
225 	MXS_PINCTRL_PIN(LCD_D11),
226 	MXS_PINCTRL_PIN(LCD_D12),
227 	MXS_PINCTRL_PIN(LCD_D13),
228 	MXS_PINCTRL_PIN(LCD_D14),
229 	MXS_PINCTRL_PIN(LCD_D15),
230 	MXS_PINCTRL_PIN(LCD_D16),
231 	MXS_PINCTRL_PIN(LCD_D17),
232 	MXS_PINCTRL_PIN(LCD_D18),
233 	MXS_PINCTRL_PIN(LCD_D19),
234 	MXS_PINCTRL_PIN(LCD_D20),
235 	MXS_PINCTRL_PIN(LCD_D21),
236 	MXS_PINCTRL_PIN(LCD_D22),
237 	MXS_PINCTRL_PIN(LCD_D23),
238 	MXS_PINCTRL_PIN(LCD_RD_E),
239 	MXS_PINCTRL_PIN(LCD_WR_RWN),
240 	MXS_PINCTRL_PIN(LCD_RS),
241 	MXS_PINCTRL_PIN(LCD_CS),
242 	MXS_PINCTRL_PIN(LCD_VSYNC),
243 	MXS_PINCTRL_PIN(LCD_HSYNC),
244 	MXS_PINCTRL_PIN(LCD_DOTCLK),
245 	MXS_PINCTRL_PIN(LCD_ENABLE),
246 	MXS_PINCTRL_PIN(SSP0_DATA0),
247 	MXS_PINCTRL_PIN(SSP0_DATA1),
248 	MXS_PINCTRL_PIN(SSP0_DATA2),
249 	MXS_PINCTRL_PIN(SSP0_DATA3),
250 	MXS_PINCTRL_PIN(SSP0_DATA4),
251 	MXS_PINCTRL_PIN(SSP0_DATA5),
252 	MXS_PINCTRL_PIN(SSP0_DATA6),
253 	MXS_PINCTRL_PIN(SSP0_DATA7),
254 	MXS_PINCTRL_PIN(SSP0_CMD),
255 	MXS_PINCTRL_PIN(SSP0_DETECT),
256 	MXS_PINCTRL_PIN(SSP0_SCK),
257 	MXS_PINCTRL_PIN(SSP1_SCK),
258 	MXS_PINCTRL_PIN(SSP1_CMD),
259 	MXS_PINCTRL_PIN(SSP1_DATA0),
260 	MXS_PINCTRL_PIN(SSP1_DATA3),
261 	MXS_PINCTRL_PIN(SSP2_SCK),
262 	MXS_PINCTRL_PIN(SSP2_MOSI),
263 	MXS_PINCTRL_PIN(SSP2_MISO),
264 	MXS_PINCTRL_PIN(SSP2_SS0),
265 	MXS_PINCTRL_PIN(SSP2_SS1),
266 	MXS_PINCTRL_PIN(SSP2_SS2),
267 	MXS_PINCTRL_PIN(SSP3_SCK),
268 	MXS_PINCTRL_PIN(SSP3_MOSI),
269 	MXS_PINCTRL_PIN(SSP3_MISO),
270 	MXS_PINCTRL_PIN(SSP3_SS0),
271 	MXS_PINCTRL_PIN(AUART0_RX),
272 	MXS_PINCTRL_PIN(AUART0_TX),
273 	MXS_PINCTRL_PIN(AUART0_CTS),
274 	MXS_PINCTRL_PIN(AUART0_RTS),
275 	MXS_PINCTRL_PIN(AUART1_RX),
276 	MXS_PINCTRL_PIN(AUART1_TX),
277 	MXS_PINCTRL_PIN(AUART1_CTS),
278 	MXS_PINCTRL_PIN(AUART1_RTS),
279 	MXS_PINCTRL_PIN(AUART2_RX),
280 	MXS_PINCTRL_PIN(AUART2_TX),
281 	MXS_PINCTRL_PIN(AUART2_CTS),
282 	MXS_PINCTRL_PIN(AUART2_RTS),
283 	MXS_PINCTRL_PIN(AUART3_RX),
284 	MXS_PINCTRL_PIN(AUART3_TX),
285 	MXS_PINCTRL_PIN(AUART3_CTS),
286 	MXS_PINCTRL_PIN(AUART3_RTS),
287 	MXS_PINCTRL_PIN(PWM0),
288 	MXS_PINCTRL_PIN(PWM1),
289 	MXS_PINCTRL_PIN(PWM2),
290 	MXS_PINCTRL_PIN(SAIF0_MCLK),
291 	MXS_PINCTRL_PIN(SAIF0_LRCLK),
292 	MXS_PINCTRL_PIN(SAIF0_BITCLK),
293 	MXS_PINCTRL_PIN(SAIF0_SDATA0),
294 	MXS_PINCTRL_PIN(I2C0_SCL),
295 	MXS_PINCTRL_PIN(I2C0_SDA),
296 	MXS_PINCTRL_PIN(SAIF1_SDATA0),
297 	MXS_PINCTRL_PIN(SPDIF),
298 	MXS_PINCTRL_PIN(PWM3),
299 	MXS_PINCTRL_PIN(PWM4),
300 	MXS_PINCTRL_PIN(LCD_RESET),
301 	MXS_PINCTRL_PIN(ENET0_MDC),
302 	MXS_PINCTRL_PIN(ENET0_MDIO),
303 	MXS_PINCTRL_PIN(ENET0_RX_EN),
304 	MXS_PINCTRL_PIN(ENET0_RXD0),
305 	MXS_PINCTRL_PIN(ENET0_RXD1),
306 	MXS_PINCTRL_PIN(ENET0_TX_CLK),
307 	MXS_PINCTRL_PIN(ENET0_TX_EN),
308 	MXS_PINCTRL_PIN(ENET0_TXD0),
309 	MXS_PINCTRL_PIN(ENET0_TXD1),
310 	MXS_PINCTRL_PIN(ENET0_RXD2),
311 	MXS_PINCTRL_PIN(ENET0_RXD3),
312 	MXS_PINCTRL_PIN(ENET0_TXD2),
313 	MXS_PINCTRL_PIN(ENET0_TXD3),
314 	MXS_PINCTRL_PIN(ENET0_RX_CLK),
315 	MXS_PINCTRL_PIN(ENET0_COL),
316 	MXS_PINCTRL_PIN(ENET0_CRS),
317 	MXS_PINCTRL_PIN(ENET_CLK),
318 	MXS_PINCTRL_PIN(JTAG_RTCK),
319 	MXS_PINCTRL_PIN(EMI_D00),
320 	MXS_PINCTRL_PIN(EMI_D01),
321 	MXS_PINCTRL_PIN(EMI_D02),
322 	MXS_PINCTRL_PIN(EMI_D03),
323 	MXS_PINCTRL_PIN(EMI_D04),
324 	MXS_PINCTRL_PIN(EMI_D05),
325 	MXS_PINCTRL_PIN(EMI_D06),
326 	MXS_PINCTRL_PIN(EMI_D07),
327 	MXS_PINCTRL_PIN(EMI_D08),
328 	MXS_PINCTRL_PIN(EMI_D09),
329 	MXS_PINCTRL_PIN(EMI_D10),
330 	MXS_PINCTRL_PIN(EMI_D11),
331 	MXS_PINCTRL_PIN(EMI_D12),
332 	MXS_PINCTRL_PIN(EMI_D13),
333 	MXS_PINCTRL_PIN(EMI_D14),
334 	MXS_PINCTRL_PIN(EMI_D15),
335 	MXS_PINCTRL_PIN(EMI_ODT0),
336 	MXS_PINCTRL_PIN(EMI_DQM0),
337 	MXS_PINCTRL_PIN(EMI_ODT1),
338 	MXS_PINCTRL_PIN(EMI_DQM1),
339 	MXS_PINCTRL_PIN(EMI_DDR_OPEN_FB),
340 	MXS_PINCTRL_PIN(EMI_CLK),
341 	MXS_PINCTRL_PIN(EMI_DQS0),
342 	MXS_PINCTRL_PIN(EMI_DQS1),
343 	MXS_PINCTRL_PIN(EMI_DDR_OPEN),
344 	MXS_PINCTRL_PIN(EMI_A00),
345 	MXS_PINCTRL_PIN(EMI_A01),
346 	MXS_PINCTRL_PIN(EMI_A02),
347 	MXS_PINCTRL_PIN(EMI_A03),
348 	MXS_PINCTRL_PIN(EMI_A04),
349 	MXS_PINCTRL_PIN(EMI_A05),
350 	MXS_PINCTRL_PIN(EMI_A06),
351 	MXS_PINCTRL_PIN(EMI_A07),
352 	MXS_PINCTRL_PIN(EMI_A08),
353 	MXS_PINCTRL_PIN(EMI_A09),
354 	MXS_PINCTRL_PIN(EMI_A10),
355 	MXS_PINCTRL_PIN(EMI_A11),
356 	MXS_PINCTRL_PIN(EMI_A12),
357 	MXS_PINCTRL_PIN(EMI_A13),
358 	MXS_PINCTRL_PIN(EMI_A14),
359 	MXS_PINCTRL_PIN(EMI_BA0),
360 	MXS_PINCTRL_PIN(EMI_BA1),
361 	MXS_PINCTRL_PIN(EMI_BA2),
362 	MXS_PINCTRL_PIN(EMI_CASN),
363 	MXS_PINCTRL_PIN(EMI_RASN),
364 	MXS_PINCTRL_PIN(EMI_WEN),
365 	MXS_PINCTRL_PIN(EMI_CE0N),
366 	MXS_PINCTRL_PIN(EMI_CE1N),
367 	MXS_PINCTRL_PIN(EMI_CKE),
368 };
369 
370 static const struct mxs_regs imx28_regs = {
371 	.muxsel = 0x100,
372 	.drive = 0x300,
373 	.pull = 0x600,
374 };
375 
376 static struct mxs_pinctrl_soc_data imx28_pinctrl_data = {
377 	.regs = &imx28_regs,
378 	.pins = imx28_pins,
379 	.npins = ARRAY_SIZE(imx28_pins),
380 };
381 
382 static int imx28_pinctrl_probe(struct platform_device *pdev)
383 {
384 	return mxs_pinctrl_probe(pdev, &imx28_pinctrl_data);
385 }
386 
387 static const struct of_device_id imx28_pinctrl_of_match[] = {
388 	{ .compatible = "fsl,imx28-pinctrl", },
389 	{ /* sentinel */ }
390 };
391 
392 static struct platform_driver imx28_pinctrl_driver = {
393 	.driver = {
394 		.name = "imx28-pinctrl",
395 		.suppress_bind_attrs = true,
396 		.of_match_table = imx28_pinctrl_of_match,
397 	},
398 	.probe = imx28_pinctrl_probe,
399 };
400 
401 static int __init imx28_pinctrl_init(void)
402 {
403 	return platform_driver_register(&imx28_pinctrl_driver);
404 }
405 postcore_initcall(imx28_pinctrl_init);
406