1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Freescale imx6ul pinctrl driver
4 //
5 // Author: Anson Huang <Anson.Huang@freescale.com>
6 // Copyright (C) 2015 Freescale Semiconductor, Inc.
7
8 #include <linux/err.h>
9 #include <linux/init.h>
10 #include <linux/io.h>
11 #include <linux/of.h>
12 #include <linux/platform_device.h>
13 #include <linux/pinctrl/pinctrl.h>
14
15 #include "pinctrl-imx.h"
16
17 enum imx6ul_pads {
18 MX6UL_PAD_RESERVE0 = 0,
19 MX6UL_PAD_RESERVE1 = 1,
20 MX6UL_PAD_RESERVE2 = 2,
21 MX6UL_PAD_RESERVE3 = 3,
22 MX6UL_PAD_RESERVE4 = 4,
23 MX6UL_PAD_RESERVE5 = 5,
24 MX6UL_PAD_RESERVE6 = 6,
25 MX6UL_PAD_RESERVE7 = 7,
26 MX6UL_PAD_RESERVE8 = 8,
27 MX6UL_PAD_RESERVE9 = 9,
28 MX6UL_PAD_RESERVE10 = 10,
29 MX6UL_PAD_SNVS_TAMPER4 = 11,
30 MX6UL_PAD_RESERVE12 = 12,
31 MX6UL_PAD_RESERVE13 = 13,
32 MX6UL_PAD_RESERVE14 = 14,
33 MX6UL_PAD_RESERVE15 = 15,
34 MX6UL_PAD_RESERVE16 = 16,
35 MX6UL_PAD_JTAG_MOD = 17,
36 MX6UL_PAD_JTAG_TMS = 18,
37 MX6UL_PAD_JTAG_TDO = 19,
38 MX6UL_PAD_JTAG_TDI = 20,
39 MX6UL_PAD_JTAG_TCK = 21,
40 MX6UL_PAD_JTAG_TRST_B = 22,
41 MX6UL_PAD_GPIO1_IO00 = 23,
42 MX6UL_PAD_GPIO1_IO01 = 24,
43 MX6UL_PAD_GPIO1_IO02 = 25,
44 MX6UL_PAD_GPIO1_IO03 = 26,
45 MX6UL_PAD_GPIO1_IO04 = 27,
46 MX6UL_PAD_GPIO1_IO05 = 28,
47 MX6UL_PAD_GPIO1_IO06 = 29,
48 MX6UL_PAD_GPIO1_IO07 = 30,
49 MX6UL_PAD_GPIO1_IO08 = 31,
50 MX6UL_PAD_GPIO1_IO09 = 32,
51 MX6UL_PAD_UART1_TX_DATA = 33,
52 MX6UL_PAD_UART1_RX_DATA = 34,
53 MX6UL_PAD_UART1_CTS_B = 35,
54 MX6UL_PAD_UART1_RTS_B = 36,
55 MX6UL_PAD_UART2_TX_DATA = 37,
56 MX6UL_PAD_UART2_RX_DATA = 38,
57 MX6UL_PAD_UART2_CTS_B = 39,
58 MX6UL_PAD_UART2_RTS_B = 40,
59 MX6UL_PAD_UART3_TX_DATA = 41,
60 MX6UL_PAD_UART3_RX_DATA = 42,
61 MX6UL_PAD_UART3_CTS_B = 43,
62 MX6UL_PAD_UART3_RTS_B = 44,
63 MX6UL_PAD_UART4_TX_DATA = 45,
64 MX6UL_PAD_UART4_RX_DATA = 46,
65 MX6UL_PAD_UART5_TX_DATA = 47,
66 MX6UL_PAD_UART5_RX_DATA = 48,
67 MX6UL_PAD_ENET1_RX_DATA0 = 49,
68 MX6UL_PAD_ENET1_RX_DATA1 = 50,
69 MX6UL_PAD_ENET1_RX_EN = 51,
70 MX6UL_PAD_ENET1_TX_DATA0 = 52,
71 MX6UL_PAD_ENET1_TX_DATA1 = 53,
72 MX6UL_PAD_ENET1_TX_EN = 54,
73 MX6UL_PAD_ENET1_TX_CLK = 55,
74 MX6UL_PAD_ENET1_RX_ER = 56,
75 MX6UL_PAD_ENET2_RX_DATA0 = 57,
76 MX6UL_PAD_ENET2_RX_DATA1 = 58,
77 MX6UL_PAD_ENET2_RX_EN = 59,
78 MX6UL_PAD_ENET2_TX_DATA0 = 60,
79 MX6UL_PAD_ENET2_TX_DATA1 = 61,
80 MX6UL_PAD_ENET2_TX_EN = 62,
81 MX6UL_PAD_ENET2_TX_CLK = 63,
82 MX6UL_PAD_ENET2_RX_ER = 64,
83 MX6UL_PAD_LCD_CLK = 65,
84 MX6UL_PAD_LCD_ENABLE = 66,
85 MX6UL_PAD_LCD_HSYNC = 67,
86 MX6UL_PAD_LCD_VSYNC = 68,
87 MX6UL_PAD_LCD_RESET = 69,
88 MX6UL_PAD_LCD_DATA00 = 70,
89 MX6UL_PAD_LCD_DATA01 = 71,
90 MX6UL_PAD_LCD_DATA02 = 72,
91 MX6UL_PAD_LCD_DATA03 = 73,
92 MX6UL_PAD_LCD_DATA04 = 74,
93 MX6UL_PAD_LCD_DATA05 = 75,
94 MX6UL_PAD_LCD_DATA06 = 76,
95 MX6UL_PAD_LCD_DATA07 = 77,
96 MX6UL_PAD_LCD_DATA08 = 78,
97 MX6UL_PAD_LCD_DATA09 = 79,
98 MX6UL_PAD_LCD_DATA10 = 80,
99 MX6UL_PAD_LCD_DATA11 = 81,
100 MX6UL_PAD_LCD_DATA12 = 82,
101 MX6UL_PAD_LCD_DATA13 = 83,
102 MX6UL_PAD_LCD_DATA14 = 84,
103 MX6UL_PAD_LCD_DATA15 = 85,
104 MX6UL_PAD_LCD_DATA16 = 86,
105 MX6UL_PAD_LCD_DATA17 = 87,
106 MX6UL_PAD_LCD_DATA18 = 88,
107 MX6UL_PAD_LCD_DATA19 = 89,
108 MX6UL_PAD_LCD_DATA20 = 90,
109 MX6UL_PAD_LCD_DATA21 = 91,
110 MX6UL_PAD_LCD_DATA22 = 92,
111 MX6UL_PAD_LCD_DATA23 = 93,
112 MX6UL_PAD_NAND_RE_B = 94,
113 MX6UL_PAD_NAND_WE_B = 95,
114 MX6UL_PAD_NAND_DATA00 = 96,
115 MX6UL_PAD_NAND_DATA01 = 97,
116 MX6UL_PAD_NAND_DATA02 = 98,
117 MX6UL_PAD_NAND_DATA03 = 99,
118 MX6UL_PAD_NAND_DATA04 = 100,
119 MX6UL_PAD_NAND_DATA05 = 101,
120 MX6UL_PAD_NAND_DATA06 = 102,
121 MX6UL_PAD_NAND_DATA07 = 103,
122 MX6UL_PAD_NAND_ALE = 104,
123 MX6UL_PAD_NAND_WP_B = 105,
124 MX6UL_PAD_NAND_READY_B = 106,
125 MX6UL_PAD_NAND_CE0_B = 107,
126 MX6UL_PAD_NAND_CE1_B = 108,
127 MX6UL_PAD_NAND_CLE = 109,
128 MX6UL_PAD_NAND_DQS = 110,
129 MX6UL_PAD_SD1_CMD = 111,
130 MX6UL_PAD_SD1_CLK = 112,
131 MX6UL_PAD_SD1_DATA0 = 113,
132 MX6UL_PAD_SD1_DATA1 = 114,
133 MX6UL_PAD_SD1_DATA2 = 115,
134 MX6UL_PAD_SD1_DATA3 = 116,
135 MX6UL_PAD_CSI_MCLK = 117,
136 MX6UL_PAD_CSI_PIXCLK = 118,
137 MX6UL_PAD_CSI_VSYNC = 119,
138 MX6UL_PAD_CSI_HSYNC = 120,
139 MX6UL_PAD_CSI_DATA00 = 121,
140 MX6UL_PAD_CSI_DATA01 = 122,
141 MX6UL_PAD_CSI_DATA02 = 123,
142 MX6UL_PAD_CSI_DATA03 = 124,
143 MX6UL_PAD_CSI_DATA04 = 125,
144 MX6UL_PAD_CSI_DATA05 = 126,
145 MX6UL_PAD_CSI_DATA06 = 127,
146 MX6UL_PAD_CSI_DATA07 = 128,
147 };
148
149 enum imx6ull_lpsr_pads {
150 MX6ULL_PAD_BOOT_MODE0 = 0,
151 MX6ULL_PAD_BOOT_MODE1 = 1,
152 MX6ULL_PAD_SNVS_TAMPER0 = 2,
153 MX6ULL_PAD_SNVS_TAMPER1 = 3,
154 MX6ULL_PAD_SNVS_TAMPER2 = 4,
155 MX6ULL_PAD_SNVS_TAMPER3 = 5,
156 MX6ULL_PAD_SNVS_TAMPER4 = 6,
157 MX6ULL_PAD_SNVS_TAMPER5 = 7,
158 MX6ULL_PAD_SNVS_TAMPER6 = 8,
159 MX6ULL_PAD_SNVS_TAMPER7 = 9,
160 MX6ULL_PAD_SNVS_TAMPER8 = 10,
161 MX6ULL_PAD_SNVS_TAMPER9 = 11,
162 };
163
164 /* Pad names for the pinmux subsystem */
165 static const struct pinctrl_pin_desc imx6ul_pinctrl_pads[] = {
166 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE0),
167 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE1),
168 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE2),
169 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE3),
170 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE4),
171 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE5),
172 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE6),
173 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE7),
174 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE8),
175 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE9),
176 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE10),
177 IMX_PINCTRL_PIN(MX6UL_PAD_SNVS_TAMPER4),
178 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE12),
179 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE13),
180 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE14),
181 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE15),
182 IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE16),
183 IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_MOD),
184 IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TMS),
185 IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TDO),
186 IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TDI),
187 IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TCK),
188 IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TRST_B),
189 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO00),
190 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO01),
191 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO02),
192 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO03),
193 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO04),
194 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO05),
195 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO06),
196 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO07),
197 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO08),
198 IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO09),
199 IMX_PINCTRL_PIN(MX6UL_PAD_UART1_TX_DATA),
200 IMX_PINCTRL_PIN(MX6UL_PAD_UART1_RX_DATA),
201 IMX_PINCTRL_PIN(MX6UL_PAD_UART1_CTS_B),
202 IMX_PINCTRL_PIN(MX6UL_PAD_UART1_RTS_B),
203 IMX_PINCTRL_PIN(MX6UL_PAD_UART2_TX_DATA),
204 IMX_PINCTRL_PIN(MX6UL_PAD_UART2_RX_DATA),
205 IMX_PINCTRL_PIN(MX6UL_PAD_UART2_CTS_B),
206 IMX_PINCTRL_PIN(MX6UL_PAD_UART2_RTS_B),
207 IMX_PINCTRL_PIN(MX6UL_PAD_UART3_TX_DATA),
208 IMX_PINCTRL_PIN(MX6UL_PAD_UART3_RX_DATA),
209 IMX_PINCTRL_PIN(MX6UL_PAD_UART3_CTS_B),
210 IMX_PINCTRL_PIN(MX6UL_PAD_UART3_RTS_B),
211 IMX_PINCTRL_PIN(MX6UL_PAD_UART4_TX_DATA),
212 IMX_PINCTRL_PIN(MX6UL_PAD_UART4_RX_DATA),
213 IMX_PINCTRL_PIN(MX6UL_PAD_UART5_TX_DATA),
214 IMX_PINCTRL_PIN(MX6UL_PAD_UART5_RX_DATA),
215 IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_RX_DATA0),
216 IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_RX_DATA1),
217 IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_RX_EN),
218 IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_TX_DATA0),
219 IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_TX_DATA1),
220 IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_TX_EN),
221 IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_TX_CLK),
222 IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_RX_ER),
223 IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_RX_DATA0),
224 IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_RX_DATA1),
225 IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_RX_EN),
226 IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_TX_DATA0),
227 IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_TX_DATA1),
228 IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_TX_EN),
229 IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_TX_CLK),
230 IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_RX_ER),
231 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_CLK),
232 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_ENABLE),
233 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_HSYNC),
234 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_VSYNC),
235 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_RESET),
236 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA00),
237 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA01),
238 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA02),
239 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA03),
240 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA04),
241 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA05),
242 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA06),
243 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA07),
244 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA08),
245 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA09),
246 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA10),
247 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA11),
248 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA12),
249 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA13),
250 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA14),
251 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA15),
252 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA16),
253 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA17),
254 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA18),
255 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA19),
256 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA20),
257 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA21),
258 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA22),
259 IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA23),
260 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_RE_B),
261 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_WE_B),
262 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA00),
263 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA01),
264 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA02),
265 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA03),
266 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA04),
267 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA05),
268 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA06),
269 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA07),
270 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_ALE),
271 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_WP_B),
272 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_READY_B),
273 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_CE0_B),
274 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_CE1_B),
275 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_CLE),
276 IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DQS),
277 IMX_PINCTRL_PIN(MX6UL_PAD_SD1_CMD),
278 IMX_PINCTRL_PIN(MX6UL_PAD_SD1_CLK),
279 IMX_PINCTRL_PIN(MX6UL_PAD_SD1_DATA0),
280 IMX_PINCTRL_PIN(MX6UL_PAD_SD1_DATA1),
281 IMX_PINCTRL_PIN(MX6UL_PAD_SD1_DATA2),
282 IMX_PINCTRL_PIN(MX6UL_PAD_SD1_DATA3),
283 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_MCLK),
284 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_PIXCLK),
285 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_VSYNC),
286 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_HSYNC),
287 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA00),
288 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA01),
289 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA02),
290 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA03),
291 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA04),
292 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA05),
293 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA06),
294 IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA07),
295 };
296
297 /* pad for i.MX6ULL lpsr pinmux */
298 static const struct pinctrl_pin_desc imx6ull_snvs_pinctrl_pads[] = {
299 IMX_PINCTRL_PIN(MX6ULL_PAD_BOOT_MODE0),
300 IMX_PINCTRL_PIN(MX6ULL_PAD_BOOT_MODE1),
301 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER0),
302 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER1),
303 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER2),
304 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER3),
305 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER4),
306 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER5),
307 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER6),
308 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER7),
309 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER8),
310 IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER9),
311 };
312
313 static const struct imx_pinctrl_soc_info imx6ul_pinctrl_info = {
314 .pins = imx6ul_pinctrl_pads,
315 .npins = ARRAY_SIZE(imx6ul_pinctrl_pads),
316 .gpr_compatible = "fsl,imx6ul-iomuxc-gpr",
317 };
318
319 static const struct imx_pinctrl_soc_info imx6ull_snvs_pinctrl_info = {
320 .pins = imx6ull_snvs_pinctrl_pads,
321 .npins = ARRAY_SIZE(imx6ull_snvs_pinctrl_pads),
322 .flags = ZERO_OFFSET_VALID,
323 };
324
325 static const struct of_device_id imx6ul_pinctrl_of_match[] = {
326 { .compatible = "fsl,imx6ul-iomuxc", .data = &imx6ul_pinctrl_info, },
327 { .compatible = "fsl,imx6ull-iomuxc-snvs", .data = &imx6ull_snvs_pinctrl_info, },
328 { /* sentinel */ }
329 };
330
imx6ul_pinctrl_probe(struct platform_device * pdev)331 static int imx6ul_pinctrl_probe(struct platform_device *pdev)
332 {
333 const struct imx_pinctrl_soc_info *pinctrl_info;
334
335 pinctrl_info = of_device_get_match_data(&pdev->dev);
336 if (!pinctrl_info)
337 return -ENODEV;
338
339 return imx_pinctrl_probe(pdev, pinctrl_info);
340 }
341
342 static struct platform_driver imx6ul_pinctrl_driver = {
343 .driver = {
344 .name = "imx6ul-pinctrl",
345 .of_match_table = imx6ul_pinctrl_of_match,
346 .suppress_bind_attrs = true,
347 },
348 .probe = imx6ul_pinctrl_probe,
349 };
350
imx6ul_pinctrl_init(void)351 static int __init imx6ul_pinctrl_init(void)
352 {
353 return platform_driver_register(&imx6ul_pinctrl_driver);
354 }
355 arch_initcall(imx6ul_pinctrl_init);
356