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1 | /* |
2 | * imx25 pinctrl driver. | |
3 | * | |
4 | * Copyright 2013 Eukréa Electromatique <denis@eukrea.com> | |
5 | * | |
6 | * This driver was mostly copied from the imx51 pinctrl driver which has: | |
7 | * | |
8 | * Copyright (C) 2012 Freescale Semiconductor, Inc. | |
9 | * Copyright (C) 2012 Linaro, Inc. | |
10 | * | |
11 | * Author: Denis Carikli <denis@eukrea.com> | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License version 2 as published | |
15 | * by the Free Software Foundation. | |
16 | */ | |
17 | ||
18 | #include <linux/err.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/io.h> | |
21 | #include <linux/module.h> | |
22 | #include <linux/of.h> | |
23 | #include <linux/of_device.h> | |
24 | #include <linux/pinctrl/pinctrl.h> | |
25 | ||
26 | #include "pinctrl-imx.h" | |
27 | ||
28 | enum imx25_pads { | |
29 | MX25_PAD_RESERVE0 = 1, | |
30 | MX25_PAD_RESERVE1 = 2, | |
31 | MX25_PAD_A10 = 3, | |
32 | MX25_PAD_A13 = 4, | |
33 | MX25_PAD_A14 = 5, | |
34 | MX25_PAD_A15 = 6, | |
35 | MX25_PAD_A16 = 7, | |
36 | MX25_PAD_A17 = 8, | |
37 | MX25_PAD_A18 = 9, | |
38 | MX25_PAD_A19 = 10, | |
39 | MX25_PAD_A20 = 11, | |
40 | MX25_PAD_A21 = 12, | |
41 | MX25_PAD_A22 = 13, | |
42 | MX25_PAD_A23 = 14, | |
43 | MX25_PAD_A24 = 15, | |
44 | MX25_PAD_A25 = 16, | |
45 | MX25_PAD_EB0 = 17, | |
46 | MX25_PAD_EB1 = 18, | |
47 | MX25_PAD_OE = 19, | |
48 | MX25_PAD_CS0 = 20, | |
49 | MX25_PAD_CS1 = 21, | |
50 | MX25_PAD_CS4 = 22, | |
51 | MX25_PAD_CS5 = 23, | |
52 | MX25_PAD_NF_CE0 = 24, | |
53 | MX25_PAD_ECB = 25, | |
54 | MX25_PAD_LBA = 26, | |
55 | MX25_PAD_BCLK = 27, | |
56 | MX25_PAD_RW = 28, | |
57 | MX25_PAD_NFWE_B = 29, | |
58 | MX25_PAD_NFRE_B = 30, | |
59 | MX25_PAD_NFALE = 31, | |
60 | MX25_PAD_NFCLE = 32, | |
61 | MX25_PAD_NFWP_B = 33, | |
62 | MX25_PAD_NFRB = 34, | |
63 | MX25_PAD_D15 = 35, | |
64 | MX25_PAD_D14 = 36, | |
65 | MX25_PAD_D13 = 37, | |
66 | MX25_PAD_D12 = 38, | |
67 | MX25_PAD_D11 = 39, | |
68 | MX25_PAD_D10 = 40, | |
69 | MX25_PAD_D9 = 41, | |
70 | MX25_PAD_D8 = 42, | |
71 | MX25_PAD_D7 = 43, | |
72 | MX25_PAD_D6 = 44, | |
73 | MX25_PAD_D5 = 45, | |
74 | MX25_PAD_D4 = 46, | |
75 | MX25_PAD_D3 = 47, | |
76 | MX25_PAD_D2 = 48, | |
77 | MX25_PAD_D1 = 49, | |
78 | MX25_PAD_D0 = 50, | |
79 | MX25_PAD_LD0 = 51, | |
80 | MX25_PAD_LD1 = 52, | |
81 | MX25_PAD_LD2 = 53, | |
82 | MX25_PAD_LD3 = 54, | |
83 | MX25_PAD_LD4 = 55, | |
84 | MX25_PAD_LD5 = 56, | |
85 | MX25_PAD_LD6 = 57, | |
86 | MX25_PAD_LD7 = 58, | |
87 | MX25_PAD_LD8 = 59, | |
88 | MX25_PAD_LD9 = 60, | |
89 | MX25_PAD_LD10 = 61, | |
90 | MX25_PAD_LD11 = 62, | |
91 | MX25_PAD_LD12 = 63, | |
92 | MX25_PAD_LD13 = 64, | |
93 | MX25_PAD_LD14 = 65, | |
94 | MX25_PAD_LD15 = 66, | |
95 | MX25_PAD_HSYNC = 67, | |
96 | MX25_PAD_VSYNC = 68, | |
97 | MX25_PAD_LSCLK = 69, | |
98 | MX25_PAD_OE_ACD = 70, | |
99 | MX25_PAD_CONTRAST = 71, | |
100 | MX25_PAD_PWM = 72, | |
101 | MX25_PAD_CSI_D2 = 73, | |
102 | MX25_PAD_CSI_D3 = 74, | |
103 | MX25_PAD_CSI_D4 = 75, | |
104 | MX25_PAD_CSI_D5 = 76, | |
105 | MX25_PAD_CSI_D6 = 77, | |
106 | MX25_PAD_CSI_D7 = 78, | |
107 | MX25_PAD_CSI_D8 = 79, | |
108 | MX25_PAD_CSI_D9 = 80, | |
109 | MX25_PAD_CSI_MCLK = 81, | |
110 | MX25_PAD_CSI_VSYNC = 82, | |
111 | MX25_PAD_CSI_HSYNC = 83, | |
112 | MX25_PAD_CSI_PIXCLK = 84, | |
113 | MX25_PAD_I2C1_CLK = 85, | |
114 | MX25_PAD_I2C1_DAT = 86, | |
115 | MX25_PAD_CSPI1_MOSI = 87, | |
116 | MX25_PAD_CSPI1_MISO = 88, | |
117 | MX25_PAD_CSPI1_SS0 = 89, | |
118 | MX25_PAD_CSPI1_SS1 = 90, | |
119 | MX25_PAD_CSPI1_SCLK = 91, | |
120 | MX25_PAD_CSPI1_RDY = 92, | |
121 | MX25_PAD_UART1_RXD = 93, | |
122 | MX25_PAD_UART1_TXD = 94, | |
123 | MX25_PAD_UART1_RTS = 95, | |
124 | MX25_PAD_UART1_CTS = 96, | |
125 | MX25_PAD_UART2_RXD = 97, | |
126 | MX25_PAD_UART2_TXD = 98, | |
127 | MX25_PAD_UART2_RTS = 99, | |
128 | MX25_PAD_UART2_CTS = 100, | |
129 | MX25_PAD_SD1_CMD = 101, | |
130 | MX25_PAD_SD1_CLK = 102, | |
131 | MX25_PAD_SD1_DATA0 = 103, | |
132 | MX25_PAD_SD1_DATA1 = 104, | |
133 | MX25_PAD_SD1_DATA2 = 105, | |
134 | MX25_PAD_SD1_DATA3 = 106, | |
135 | MX25_PAD_KPP_ROW0 = 107, | |
136 | MX25_PAD_KPP_ROW1 = 108, | |
137 | MX25_PAD_KPP_ROW2 = 109, | |
138 | MX25_PAD_KPP_ROW3 = 110, | |
139 | MX25_PAD_KPP_COL0 = 111, | |
140 | MX25_PAD_KPP_COL1 = 112, | |
141 | MX25_PAD_KPP_COL2 = 113, | |
142 | MX25_PAD_KPP_COL3 = 114, | |
143 | MX25_PAD_FEC_MDC = 115, | |
144 | MX25_PAD_FEC_MDIO = 116, | |
145 | MX25_PAD_FEC_TDATA0 = 117, | |
146 | MX25_PAD_FEC_TDATA1 = 118, | |
147 | MX25_PAD_FEC_TX_EN = 119, | |
148 | MX25_PAD_FEC_RDATA0 = 120, | |
149 | MX25_PAD_FEC_RDATA1 = 121, | |
150 | MX25_PAD_FEC_RX_DV = 122, | |
151 | MX25_PAD_FEC_TX_CLK = 123, | |
152 | MX25_PAD_RTCK = 124, | |
153 | MX25_PAD_DE_B = 125, | |
154 | MX25_PAD_GPIO_A = 126, | |
155 | MX25_PAD_GPIO_B = 127, | |
156 | MX25_PAD_GPIO_C = 128, | |
157 | MX25_PAD_GPIO_D = 129, | |
158 | MX25_PAD_GPIO_E = 130, | |
159 | MX25_PAD_GPIO_F = 131, | |
160 | MX25_PAD_EXT_ARMCLK = 132, | |
161 | MX25_PAD_UPLL_BYPCLK = 133, | |
162 | MX25_PAD_VSTBY_REQ = 134, | |
163 | MX25_PAD_VSTBY_ACK = 135, | |
164 | MX25_PAD_POWER_FAIL = 136, | |
165 | MX25_PAD_CLKO = 137, | |
166 | MX25_PAD_BOOT_MODE0 = 138, | |
167 | MX25_PAD_BOOT_MODE1 = 139, | |
168 | }; | |
169 | ||
170 | /* Pad names for the pinmux subsystem */ | |
171 | static const struct pinctrl_pin_desc imx25_pinctrl_pads[] = { | |
172 | IMX_PINCTRL_PIN(MX25_PAD_RESERVE0), | |
173 | IMX_PINCTRL_PIN(MX25_PAD_RESERVE1), | |
174 | IMX_PINCTRL_PIN(MX25_PAD_A10), | |
175 | IMX_PINCTRL_PIN(MX25_PAD_A13), | |
176 | IMX_PINCTRL_PIN(MX25_PAD_A14), | |
177 | IMX_PINCTRL_PIN(MX25_PAD_A15), | |
178 | IMX_PINCTRL_PIN(MX25_PAD_A16), | |
179 | IMX_PINCTRL_PIN(MX25_PAD_A17), | |
180 | IMX_PINCTRL_PIN(MX25_PAD_A18), | |
181 | IMX_PINCTRL_PIN(MX25_PAD_A19), | |
182 | IMX_PINCTRL_PIN(MX25_PAD_A20), | |
183 | IMX_PINCTRL_PIN(MX25_PAD_A21), | |
184 | IMX_PINCTRL_PIN(MX25_PAD_A22), | |
185 | IMX_PINCTRL_PIN(MX25_PAD_A23), | |
186 | IMX_PINCTRL_PIN(MX25_PAD_A24), | |
187 | IMX_PINCTRL_PIN(MX25_PAD_A25), | |
188 | IMX_PINCTRL_PIN(MX25_PAD_EB0), | |
189 | IMX_PINCTRL_PIN(MX25_PAD_EB1), | |
190 | IMX_PINCTRL_PIN(MX25_PAD_OE), | |
191 | IMX_PINCTRL_PIN(MX25_PAD_CS0), | |
192 | IMX_PINCTRL_PIN(MX25_PAD_CS1), | |
193 | IMX_PINCTRL_PIN(MX25_PAD_CS4), | |
194 | IMX_PINCTRL_PIN(MX25_PAD_CS5), | |
195 | IMX_PINCTRL_PIN(MX25_PAD_NF_CE0), | |
196 | IMX_PINCTRL_PIN(MX25_PAD_ECB), | |
197 | IMX_PINCTRL_PIN(MX25_PAD_LBA), | |
198 | IMX_PINCTRL_PIN(MX25_PAD_BCLK), | |
199 | IMX_PINCTRL_PIN(MX25_PAD_RW), | |
200 | IMX_PINCTRL_PIN(MX25_PAD_NFWE_B), | |
201 | IMX_PINCTRL_PIN(MX25_PAD_NFRE_B), | |
202 | IMX_PINCTRL_PIN(MX25_PAD_NFALE), | |
203 | IMX_PINCTRL_PIN(MX25_PAD_NFCLE), | |
204 | IMX_PINCTRL_PIN(MX25_PAD_NFWP_B), | |
205 | IMX_PINCTRL_PIN(MX25_PAD_NFRB), | |
206 | IMX_PINCTRL_PIN(MX25_PAD_D15), | |
207 | IMX_PINCTRL_PIN(MX25_PAD_D14), | |
208 | IMX_PINCTRL_PIN(MX25_PAD_D13), | |
209 | IMX_PINCTRL_PIN(MX25_PAD_D12), | |
210 | IMX_PINCTRL_PIN(MX25_PAD_D11), | |
211 | IMX_PINCTRL_PIN(MX25_PAD_D10), | |
212 | IMX_PINCTRL_PIN(MX25_PAD_D9), | |
213 | IMX_PINCTRL_PIN(MX25_PAD_D8), | |
214 | IMX_PINCTRL_PIN(MX25_PAD_D7), | |
215 | IMX_PINCTRL_PIN(MX25_PAD_D6), | |
216 | IMX_PINCTRL_PIN(MX25_PAD_D5), | |
217 | IMX_PINCTRL_PIN(MX25_PAD_D4), | |
218 | IMX_PINCTRL_PIN(MX25_PAD_D3), | |
219 | IMX_PINCTRL_PIN(MX25_PAD_D2), | |
220 | IMX_PINCTRL_PIN(MX25_PAD_D1), | |
221 | IMX_PINCTRL_PIN(MX25_PAD_D0), | |
222 | IMX_PINCTRL_PIN(MX25_PAD_LD0), | |
223 | IMX_PINCTRL_PIN(MX25_PAD_LD1), | |
224 | IMX_PINCTRL_PIN(MX25_PAD_LD2), | |
225 | IMX_PINCTRL_PIN(MX25_PAD_LD3), | |
226 | IMX_PINCTRL_PIN(MX25_PAD_LD4), | |
227 | IMX_PINCTRL_PIN(MX25_PAD_LD5), | |
228 | IMX_PINCTRL_PIN(MX25_PAD_LD6), | |
229 | IMX_PINCTRL_PIN(MX25_PAD_LD7), | |
230 | IMX_PINCTRL_PIN(MX25_PAD_LD8), | |
231 | IMX_PINCTRL_PIN(MX25_PAD_LD9), | |
232 | IMX_PINCTRL_PIN(MX25_PAD_LD10), | |
233 | IMX_PINCTRL_PIN(MX25_PAD_LD11), | |
234 | IMX_PINCTRL_PIN(MX25_PAD_LD12), | |
235 | IMX_PINCTRL_PIN(MX25_PAD_LD13), | |
236 | IMX_PINCTRL_PIN(MX25_PAD_LD14), | |
237 | IMX_PINCTRL_PIN(MX25_PAD_LD15), | |
238 | IMX_PINCTRL_PIN(MX25_PAD_HSYNC), | |
239 | IMX_PINCTRL_PIN(MX25_PAD_VSYNC), | |
240 | IMX_PINCTRL_PIN(MX25_PAD_LSCLK), | |
241 | IMX_PINCTRL_PIN(MX25_PAD_OE_ACD), | |
242 | IMX_PINCTRL_PIN(MX25_PAD_CONTRAST), | |
243 | IMX_PINCTRL_PIN(MX25_PAD_PWM), | |
244 | IMX_PINCTRL_PIN(MX25_PAD_CSI_D2), | |
245 | IMX_PINCTRL_PIN(MX25_PAD_CSI_D3), | |
246 | IMX_PINCTRL_PIN(MX25_PAD_CSI_D4), | |
247 | IMX_PINCTRL_PIN(MX25_PAD_CSI_D5), | |
248 | IMX_PINCTRL_PIN(MX25_PAD_CSI_D6), | |
249 | IMX_PINCTRL_PIN(MX25_PAD_CSI_D7), | |
250 | IMX_PINCTRL_PIN(MX25_PAD_CSI_D8), | |
251 | IMX_PINCTRL_PIN(MX25_PAD_CSI_D9), | |
252 | IMX_PINCTRL_PIN(MX25_PAD_CSI_MCLK), | |
253 | IMX_PINCTRL_PIN(MX25_PAD_CSI_VSYNC), | |
254 | IMX_PINCTRL_PIN(MX25_PAD_CSI_HSYNC), | |
255 | IMX_PINCTRL_PIN(MX25_PAD_CSI_PIXCLK), | |
256 | IMX_PINCTRL_PIN(MX25_PAD_I2C1_CLK), | |
257 | IMX_PINCTRL_PIN(MX25_PAD_I2C1_DAT), | |
258 | IMX_PINCTRL_PIN(MX25_PAD_CSPI1_MOSI), | |
259 | IMX_PINCTRL_PIN(MX25_PAD_CSPI1_MISO), | |
260 | IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SS0), | |
261 | IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SS1), | |
262 | IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SCLK), | |
263 | IMX_PINCTRL_PIN(MX25_PAD_CSPI1_RDY), | |
264 | IMX_PINCTRL_PIN(MX25_PAD_UART1_RXD), | |
265 | IMX_PINCTRL_PIN(MX25_PAD_UART1_TXD), | |
266 | IMX_PINCTRL_PIN(MX25_PAD_UART1_RTS), | |
267 | IMX_PINCTRL_PIN(MX25_PAD_UART1_CTS), | |
268 | IMX_PINCTRL_PIN(MX25_PAD_UART2_RXD), | |
269 | IMX_PINCTRL_PIN(MX25_PAD_UART2_TXD), | |
270 | IMX_PINCTRL_PIN(MX25_PAD_UART2_RTS), | |
271 | IMX_PINCTRL_PIN(MX25_PAD_UART2_CTS), | |
272 | IMX_PINCTRL_PIN(MX25_PAD_SD1_CMD), | |
273 | IMX_PINCTRL_PIN(MX25_PAD_SD1_CLK), | |
274 | IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA0), | |
275 | IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA1), | |
276 | IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA2), | |
277 | IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA3), | |
278 | IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW0), | |
279 | IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW1), | |
280 | IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW2), | |
281 | IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW3), | |
282 | IMX_PINCTRL_PIN(MX25_PAD_KPP_COL0), | |
283 | IMX_PINCTRL_PIN(MX25_PAD_KPP_COL1), | |
284 | IMX_PINCTRL_PIN(MX25_PAD_KPP_COL2), | |
285 | IMX_PINCTRL_PIN(MX25_PAD_KPP_COL3), | |
286 | IMX_PINCTRL_PIN(MX25_PAD_FEC_MDC), | |
287 | IMX_PINCTRL_PIN(MX25_PAD_FEC_MDIO), | |
288 | IMX_PINCTRL_PIN(MX25_PAD_FEC_TDATA0), | |
289 | IMX_PINCTRL_PIN(MX25_PAD_FEC_TDATA1), | |
290 | IMX_PINCTRL_PIN(MX25_PAD_FEC_TX_EN), | |
291 | IMX_PINCTRL_PIN(MX25_PAD_FEC_RDATA0), | |
292 | IMX_PINCTRL_PIN(MX25_PAD_FEC_RDATA1), | |
293 | IMX_PINCTRL_PIN(MX25_PAD_FEC_RX_DV), | |
294 | IMX_PINCTRL_PIN(MX25_PAD_FEC_TX_CLK), | |
295 | IMX_PINCTRL_PIN(MX25_PAD_RTCK), | |
296 | IMX_PINCTRL_PIN(MX25_PAD_DE_B), | |
297 | IMX_PINCTRL_PIN(MX25_PAD_GPIO_A), | |
298 | IMX_PINCTRL_PIN(MX25_PAD_GPIO_B), | |
299 | IMX_PINCTRL_PIN(MX25_PAD_GPIO_C), | |
300 | IMX_PINCTRL_PIN(MX25_PAD_GPIO_D), | |
301 | IMX_PINCTRL_PIN(MX25_PAD_GPIO_E), | |
302 | IMX_PINCTRL_PIN(MX25_PAD_GPIO_F), | |
303 | IMX_PINCTRL_PIN(MX25_PAD_EXT_ARMCLK), | |
304 | IMX_PINCTRL_PIN(MX25_PAD_UPLL_BYPCLK), | |
305 | IMX_PINCTRL_PIN(MX25_PAD_VSTBY_REQ), | |
306 | IMX_PINCTRL_PIN(MX25_PAD_VSTBY_ACK), | |
307 | IMX_PINCTRL_PIN(MX25_PAD_POWER_FAIL), | |
308 | IMX_PINCTRL_PIN(MX25_PAD_CLKO), | |
309 | IMX_PINCTRL_PIN(MX25_PAD_BOOT_MODE0), | |
310 | IMX_PINCTRL_PIN(MX25_PAD_BOOT_MODE1), | |
311 | }; | |
312 | ||
313 | static struct imx_pinctrl_soc_info imx25_pinctrl_info = { | |
314 | .pins = imx25_pinctrl_pads, | |
315 | .npins = ARRAY_SIZE(imx25_pinctrl_pads), | |
316 | }; | |
317 | ||
318 | static struct of_device_id imx25_pinctrl_of_match[] = { | |
319 | { .compatible = "fsl,imx25-iomuxc", }, | |
320 | { /* sentinel */ } | |
321 | }; | |
322 | ||
323 | static int imx25_pinctrl_probe(struct platform_device *pdev) | |
324 | { | |
325 | return imx_pinctrl_probe(pdev, &imx25_pinctrl_info); | |
326 | } | |
327 | ||
328 | static struct platform_driver imx25_pinctrl_driver = { | |
329 | .driver = { | |
330 | .name = "imx25-pinctrl", | |
331 | .owner = THIS_MODULE, | |
332 | .of_match_table = of_match_ptr(imx25_pinctrl_of_match), | |
333 | }, | |
334 | .probe = imx25_pinctrl_probe, | |
335 | .remove = imx_pinctrl_remove, | |
336 | }; | |
337 | ||
338 | static int __init imx25_pinctrl_init(void) | |
339 | { | |
340 | return platform_driver_register(&imx25_pinctrl_driver); | |
341 | } | |
342 | arch_initcall(imx25_pinctrl_init); | |
343 | ||
344 | static void __exit imx25_pinctrl_exit(void) | |
345 | { | |
346 | platform_driver_unregister(&imx25_pinctrl_driver); | |
347 | } | |
348 | module_exit(imx25_pinctrl_exit); | |
349 | MODULE_AUTHOR("Denis Carikli <denis@eukrea.com>"); | |
350 | MODULE_DESCRIPTION("Freescale IMX25 pinctrl driver"); | |
351 | MODULE_LICENSE("GPL v2"); |