1 /*
2  * Copyright 2012 Freescale Semiconductor, Inc.
3  *
4  * The code contained herein is licensed under the GNU General Public
5  * License. You may obtain a copy of the GNU General Public License
6  * Version 2 or later at the following locations:
7  *
8  * http://www.opensource.org/licenses/gpl-license.html
9  * http://www.gnu.org/copyleft/gpl.html
10  */
11 
12 #include <linux/init.h>
13 #include <linux/module.h>
14 #include <linux/of_device.h>
15 #include <linux/pinctrl/pinctrl.h>
16 #include "pinctrl-mxs.h"
17 
18 enum imx23_pin_enum {
19 	GPMI_D00	= PINID(0, 0),
20 	GPMI_D01	= PINID(0, 1),
21 	GPMI_D02	= PINID(0, 2),
22 	GPMI_D03	= PINID(0, 3),
23 	GPMI_D04	= PINID(0, 4),
24 	GPMI_D05	= PINID(0, 5),
25 	GPMI_D06	= PINID(0, 6),
26 	GPMI_D07	= PINID(0, 7),
27 	GPMI_D08	= PINID(0, 8),
28 	GPMI_D09	= PINID(0, 9),
29 	GPMI_D10	= PINID(0, 10),
30 	GPMI_D11	= PINID(0, 11),
31 	GPMI_D12	= PINID(0, 12),
32 	GPMI_D13	= PINID(0, 13),
33 	GPMI_D14	= PINID(0, 14),
34 	GPMI_D15	= PINID(0, 15),
35 	GPMI_CLE	= PINID(0, 16),
36 	GPMI_ALE	= PINID(0, 17),
37 	GPMI_CE2N	= PINID(0, 18),
38 	GPMI_RDY0	= PINID(0, 19),
39 	GPMI_RDY1	= PINID(0, 20),
40 	GPMI_RDY2	= PINID(0, 21),
41 	GPMI_RDY3	= PINID(0, 22),
42 	GPMI_WPN	= PINID(0, 23),
43 	GPMI_WRN	= PINID(0, 24),
44 	GPMI_RDN	= PINID(0, 25),
45 	AUART1_CTS	= PINID(0, 26),
46 	AUART1_RTS	= PINID(0, 27),
47 	AUART1_RX	= PINID(0, 28),
48 	AUART1_TX	= PINID(0, 29),
49 	I2C_SCL		= PINID(0, 30),
50 	I2C_SDA		= PINID(0, 31),
51 	LCD_D00		= PINID(1, 0),
52 	LCD_D01		= PINID(1, 1),
53 	LCD_D02		= PINID(1, 2),
54 	LCD_D03		= PINID(1, 3),
55 	LCD_D04		= PINID(1, 4),
56 	LCD_D05		= PINID(1, 5),
57 	LCD_D06		= PINID(1, 6),
58 	LCD_D07		= PINID(1, 7),
59 	LCD_D08		= PINID(1, 8),
60 	LCD_D09		= PINID(1, 9),
61 	LCD_D10		= PINID(1, 10),
62 	LCD_D11		= PINID(1, 11),
63 	LCD_D12		= PINID(1, 12),
64 	LCD_D13		= PINID(1, 13),
65 	LCD_D14		= PINID(1, 14),
66 	LCD_D15		= PINID(1, 15),
67 	LCD_D16		= PINID(1, 16),
68 	LCD_D17		= PINID(1, 17),
69 	LCD_RESET	= PINID(1, 18),
70 	LCD_RS		= PINID(1, 19),
71 	LCD_WR		= PINID(1, 20),
72 	LCD_CS		= PINID(1, 21),
73 	LCD_DOTCK	= PINID(1, 22),
74 	LCD_ENABLE	= PINID(1, 23),
75 	LCD_HSYNC	= PINID(1, 24),
76 	LCD_VSYNC	= PINID(1, 25),
77 	PWM0		= PINID(1, 26),
78 	PWM1		= PINID(1, 27),
79 	PWM2		= PINID(1, 28),
80 	PWM3		= PINID(1, 29),
81 	PWM4		= PINID(1, 30),
82 	SSP1_CMD	= PINID(2, 0),
83 	SSP1_DETECT	= PINID(2, 1),
84 	SSP1_DATA0	= PINID(2, 2),
85 	SSP1_DATA1	= PINID(2, 3),
86 	SSP1_DATA2	= PINID(2, 4),
87 	SSP1_DATA3	= PINID(2, 5),
88 	SSP1_SCK	= PINID(2, 6),
89 	ROTARYA		= PINID(2, 7),
90 	ROTARYB		= PINID(2, 8),
91 	EMI_A00		= PINID(2, 9),
92 	EMI_A01		= PINID(2, 10),
93 	EMI_A02		= PINID(2, 11),
94 	EMI_A03		= PINID(2, 12),
95 	EMI_A04		= PINID(2, 13),
96 	EMI_A05		= PINID(2, 14),
97 	EMI_A06		= PINID(2, 15),
98 	EMI_A07		= PINID(2, 16),
99 	EMI_A08		= PINID(2, 17),
100 	EMI_A09		= PINID(2, 18),
101 	EMI_A10		= PINID(2, 19),
102 	EMI_A11		= PINID(2, 20),
103 	EMI_A12		= PINID(2, 21),
104 	EMI_BA0		= PINID(2, 22),
105 	EMI_BA1		= PINID(2, 23),
106 	EMI_CASN	= PINID(2, 24),
107 	EMI_CE0N	= PINID(2, 25),
108 	EMI_CE1N	= PINID(2, 26),
109 	GPMI_CE1N	= PINID(2, 27),
110 	GPMI_CE0N	= PINID(2, 28),
111 	EMI_CKE		= PINID(2, 29),
112 	EMI_RASN	= PINID(2, 30),
113 	EMI_WEN		= PINID(2, 31),
114 	EMI_D00		= PINID(3, 0),
115 	EMI_D01		= PINID(3, 1),
116 	EMI_D02		= PINID(3, 2),
117 	EMI_D03		= PINID(3, 3),
118 	EMI_D04		= PINID(3, 4),
119 	EMI_D05		= PINID(3, 5),
120 	EMI_D06		= PINID(3, 6),
121 	EMI_D07		= PINID(3, 7),
122 	EMI_D08		= PINID(3, 8),
123 	EMI_D09		= PINID(3, 9),
124 	EMI_D10		= PINID(3, 10),
125 	EMI_D11		= PINID(3, 11),
126 	EMI_D12		= PINID(3, 12),
127 	EMI_D13		= PINID(3, 13),
128 	EMI_D14		= PINID(3, 14),
129 	EMI_D15		= PINID(3, 15),
130 	EMI_DQM0	= PINID(3, 16),
131 	EMI_DQM1	= PINID(3, 17),
132 	EMI_DQS0	= PINID(3, 18),
133 	EMI_DQS1	= PINID(3, 19),
134 	EMI_CLK		= PINID(3, 20),
135 	EMI_CLKN	= PINID(3, 21),
136 };
137 
138 static const struct pinctrl_pin_desc imx23_pins[] = {
139 	MXS_PINCTRL_PIN(GPMI_D00),
140 	MXS_PINCTRL_PIN(GPMI_D01),
141 	MXS_PINCTRL_PIN(GPMI_D02),
142 	MXS_PINCTRL_PIN(GPMI_D03),
143 	MXS_PINCTRL_PIN(GPMI_D04),
144 	MXS_PINCTRL_PIN(GPMI_D05),
145 	MXS_PINCTRL_PIN(GPMI_D06),
146 	MXS_PINCTRL_PIN(GPMI_D07),
147 	MXS_PINCTRL_PIN(GPMI_D08),
148 	MXS_PINCTRL_PIN(GPMI_D09),
149 	MXS_PINCTRL_PIN(GPMI_D10),
150 	MXS_PINCTRL_PIN(GPMI_D11),
151 	MXS_PINCTRL_PIN(GPMI_D12),
152 	MXS_PINCTRL_PIN(GPMI_D13),
153 	MXS_PINCTRL_PIN(GPMI_D14),
154 	MXS_PINCTRL_PIN(GPMI_D15),
155 	MXS_PINCTRL_PIN(GPMI_CLE),
156 	MXS_PINCTRL_PIN(GPMI_ALE),
157 	MXS_PINCTRL_PIN(GPMI_CE2N),
158 	MXS_PINCTRL_PIN(GPMI_RDY0),
159 	MXS_PINCTRL_PIN(GPMI_RDY1),
160 	MXS_PINCTRL_PIN(GPMI_RDY2),
161 	MXS_PINCTRL_PIN(GPMI_RDY3),
162 	MXS_PINCTRL_PIN(GPMI_WPN),
163 	MXS_PINCTRL_PIN(GPMI_WRN),
164 	MXS_PINCTRL_PIN(GPMI_RDN),
165 	MXS_PINCTRL_PIN(AUART1_CTS),
166 	MXS_PINCTRL_PIN(AUART1_RTS),
167 	MXS_PINCTRL_PIN(AUART1_RX),
168 	MXS_PINCTRL_PIN(AUART1_TX),
169 	MXS_PINCTRL_PIN(I2C_SCL),
170 	MXS_PINCTRL_PIN(I2C_SDA),
171 	MXS_PINCTRL_PIN(LCD_D00),
172 	MXS_PINCTRL_PIN(LCD_D01),
173 	MXS_PINCTRL_PIN(LCD_D02),
174 	MXS_PINCTRL_PIN(LCD_D03),
175 	MXS_PINCTRL_PIN(LCD_D04),
176 	MXS_PINCTRL_PIN(LCD_D05),
177 	MXS_PINCTRL_PIN(LCD_D06),
178 	MXS_PINCTRL_PIN(LCD_D07),
179 	MXS_PINCTRL_PIN(LCD_D08),
180 	MXS_PINCTRL_PIN(LCD_D09),
181 	MXS_PINCTRL_PIN(LCD_D10),
182 	MXS_PINCTRL_PIN(LCD_D11),
183 	MXS_PINCTRL_PIN(LCD_D12),
184 	MXS_PINCTRL_PIN(LCD_D13),
185 	MXS_PINCTRL_PIN(LCD_D14),
186 	MXS_PINCTRL_PIN(LCD_D15),
187 	MXS_PINCTRL_PIN(LCD_D16),
188 	MXS_PINCTRL_PIN(LCD_D17),
189 	MXS_PINCTRL_PIN(LCD_RESET),
190 	MXS_PINCTRL_PIN(LCD_RS),
191 	MXS_PINCTRL_PIN(LCD_WR),
192 	MXS_PINCTRL_PIN(LCD_CS),
193 	MXS_PINCTRL_PIN(LCD_DOTCK),
194 	MXS_PINCTRL_PIN(LCD_ENABLE),
195 	MXS_PINCTRL_PIN(LCD_HSYNC),
196 	MXS_PINCTRL_PIN(LCD_VSYNC),
197 	MXS_PINCTRL_PIN(PWM0),
198 	MXS_PINCTRL_PIN(PWM1),
199 	MXS_PINCTRL_PIN(PWM2),
200 	MXS_PINCTRL_PIN(PWM3),
201 	MXS_PINCTRL_PIN(PWM4),
202 	MXS_PINCTRL_PIN(SSP1_CMD),
203 	MXS_PINCTRL_PIN(SSP1_DETECT),
204 	MXS_PINCTRL_PIN(SSP1_DATA0),
205 	MXS_PINCTRL_PIN(SSP1_DATA1),
206 	MXS_PINCTRL_PIN(SSP1_DATA2),
207 	MXS_PINCTRL_PIN(SSP1_DATA3),
208 	MXS_PINCTRL_PIN(SSP1_SCK),
209 	MXS_PINCTRL_PIN(ROTARYA),
210 	MXS_PINCTRL_PIN(ROTARYB),
211 	MXS_PINCTRL_PIN(EMI_A00),
212 	MXS_PINCTRL_PIN(EMI_A01),
213 	MXS_PINCTRL_PIN(EMI_A02),
214 	MXS_PINCTRL_PIN(EMI_A03),
215 	MXS_PINCTRL_PIN(EMI_A04),
216 	MXS_PINCTRL_PIN(EMI_A05),
217 	MXS_PINCTRL_PIN(EMI_A06),
218 	MXS_PINCTRL_PIN(EMI_A07),
219 	MXS_PINCTRL_PIN(EMI_A08),
220 	MXS_PINCTRL_PIN(EMI_A09),
221 	MXS_PINCTRL_PIN(EMI_A10),
222 	MXS_PINCTRL_PIN(EMI_A11),
223 	MXS_PINCTRL_PIN(EMI_A12),
224 	MXS_PINCTRL_PIN(EMI_BA0),
225 	MXS_PINCTRL_PIN(EMI_BA1),
226 	MXS_PINCTRL_PIN(EMI_CASN),
227 	MXS_PINCTRL_PIN(EMI_CE0N),
228 	MXS_PINCTRL_PIN(EMI_CE1N),
229 	MXS_PINCTRL_PIN(GPMI_CE1N),
230 	MXS_PINCTRL_PIN(GPMI_CE0N),
231 	MXS_PINCTRL_PIN(EMI_CKE),
232 	MXS_PINCTRL_PIN(EMI_RASN),
233 	MXS_PINCTRL_PIN(EMI_WEN),
234 	MXS_PINCTRL_PIN(EMI_D00),
235 	MXS_PINCTRL_PIN(EMI_D01),
236 	MXS_PINCTRL_PIN(EMI_D02),
237 	MXS_PINCTRL_PIN(EMI_D03),
238 	MXS_PINCTRL_PIN(EMI_D04),
239 	MXS_PINCTRL_PIN(EMI_D05),
240 	MXS_PINCTRL_PIN(EMI_D06),
241 	MXS_PINCTRL_PIN(EMI_D07),
242 	MXS_PINCTRL_PIN(EMI_D08),
243 	MXS_PINCTRL_PIN(EMI_D09),
244 	MXS_PINCTRL_PIN(EMI_D10),
245 	MXS_PINCTRL_PIN(EMI_D11),
246 	MXS_PINCTRL_PIN(EMI_D12),
247 	MXS_PINCTRL_PIN(EMI_D13),
248 	MXS_PINCTRL_PIN(EMI_D14),
249 	MXS_PINCTRL_PIN(EMI_D15),
250 	MXS_PINCTRL_PIN(EMI_DQM0),
251 	MXS_PINCTRL_PIN(EMI_DQM1),
252 	MXS_PINCTRL_PIN(EMI_DQS0),
253 	MXS_PINCTRL_PIN(EMI_DQS1),
254 	MXS_PINCTRL_PIN(EMI_CLK),
255 	MXS_PINCTRL_PIN(EMI_CLKN),
256 };
257 
258 static struct mxs_regs imx23_regs = {
259 	.muxsel = 0x100,
260 	.drive = 0x200,
261 	.pull = 0x400,
262 };
263 
264 static struct mxs_pinctrl_soc_data imx23_pinctrl_data = {
265 	.regs = &imx23_regs,
266 	.pins = imx23_pins,
267 	.npins = ARRAY_SIZE(imx23_pins),
268 };
269 
270 static int imx23_pinctrl_probe(struct platform_device *pdev)
271 {
272 	return mxs_pinctrl_probe(pdev, &imx23_pinctrl_data);
273 }
274 
275 static const struct of_device_id imx23_pinctrl_of_match[] = {
276 	{ .compatible = "fsl,imx23-pinctrl", },
277 	{ /* sentinel */ }
278 };
279 MODULE_DEVICE_TABLE(of, imx23_pinctrl_of_match);
280 
281 static struct platform_driver imx23_pinctrl_driver = {
282 	.driver = {
283 		.name = "imx23-pinctrl",
284 		.of_match_table = imx23_pinctrl_of_match,
285 	},
286 	.probe = imx23_pinctrl_probe,
287 	.remove = mxs_pinctrl_remove,
288 };
289 
290 static int __init imx23_pinctrl_init(void)
291 {
292 	return platform_driver_register(&imx23_pinctrl_driver);
293 }
294 postcore_initcall(imx23_pinctrl_init);
295 
296 static void __exit imx23_pinctrl_exit(void)
297 {
298 	platform_driver_unregister(&imx23_pinctrl_driver);
299 }
300 module_exit(imx23_pinctrl_exit);
301 
302 MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>");
303 MODULE_DESCRIPTION("Freescale i.MX23 pinctrl driver");
304 MODULE_LICENSE("GPL v2");
305