1 // SPDX-License-Identifier: GPL-2.0+
2 //
3 // Freescale i.MX23 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/of_device.h>
10 #include <linux/pinctrl/pinctrl.h>
11 #include "pinctrl-mxs.h"
12 
13 enum imx23_pin_enum {
14 	GPMI_D00	= PINID(0, 0),
15 	GPMI_D01	= PINID(0, 1),
16 	GPMI_D02	= PINID(0, 2),
17 	GPMI_D03	= PINID(0, 3),
18 	GPMI_D04	= PINID(0, 4),
19 	GPMI_D05	= PINID(0, 5),
20 	GPMI_D06	= PINID(0, 6),
21 	GPMI_D07	= PINID(0, 7),
22 	GPMI_D08	= PINID(0, 8),
23 	GPMI_D09	= PINID(0, 9),
24 	GPMI_D10	= PINID(0, 10),
25 	GPMI_D11	= PINID(0, 11),
26 	GPMI_D12	= PINID(0, 12),
27 	GPMI_D13	= PINID(0, 13),
28 	GPMI_D14	= PINID(0, 14),
29 	GPMI_D15	= PINID(0, 15),
30 	GPMI_CLE	= PINID(0, 16),
31 	GPMI_ALE	= PINID(0, 17),
32 	GPMI_CE2N	= PINID(0, 18),
33 	GPMI_RDY0	= PINID(0, 19),
34 	GPMI_RDY1	= PINID(0, 20),
35 	GPMI_RDY2	= PINID(0, 21),
36 	GPMI_RDY3	= PINID(0, 22),
37 	GPMI_WPN	= PINID(0, 23),
38 	GPMI_WRN	= PINID(0, 24),
39 	GPMI_RDN	= PINID(0, 25),
40 	AUART1_CTS	= PINID(0, 26),
41 	AUART1_RTS	= PINID(0, 27),
42 	AUART1_RX	= PINID(0, 28),
43 	AUART1_TX	= PINID(0, 29),
44 	I2C_SCL		= PINID(0, 30),
45 	I2C_SDA		= PINID(0, 31),
46 	LCD_D00		= PINID(1, 0),
47 	LCD_D01		= PINID(1, 1),
48 	LCD_D02		= PINID(1, 2),
49 	LCD_D03		= PINID(1, 3),
50 	LCD_D04		= PINID(1, 4),
51 	LCD_D05		= PINID(1, 5),
52 	LCD_D06		= PINID(1, 6),
53 	LCD_D07		= PINID(1, 7),
54 	LCD_D08		= PINID(1, 8),
55 	LCD_D09		= PINID(1, 9),
56 	LCD_D10		= PINID(1, 10),
57 	LCD_D11		= PINID(1, 11),
58 	LCD_D12		= PINID(1, 12),
59 	LCD_D13		= PINID(1, 13),
60 	LCD_D14		= PINID(1, 14),
61 	LCD_D15		= PINID(1, 15),
62 	LCD_D16		= PINID(1, 16),
63 	LCD_D17		= PINID(1, 17),
64 	LCD_RESET	= PINID(1, 18),
65 	LCD_RS		= PINID(1, 19),
66 	LCD_WR		= PINID(1, 20),
67 	LCD_CS		= PINID(1, 21),
68 	LCD_DOTCK	= PINID(1, 22),
69 	LCD_ENABLE	= PINID(1, 23),
70 	LCD_HSYNC	= PINID(1, 24),
71 	LCD_VSYNC	= PINID(1, 25),
72 	PWM0		= PINID(1, 26),
73 	PWM1		= PINID(1, 27),
74 	PWM2		= PINID(1, 28),
75 	PWM3		= PINID(1, 29),
76 	PWM4		= PINID(1, 30),
77 	SSP1_CMD	= PINID(2, 0),
78 	SSP1_DETECT	= PINID(2, 1),
79 	SSP1_DATA0	= PINID(2, 2),
80 	SSP1_DATA1	= PINID(2, 3),
81 	SSP1_DATA2	= PINID(2, 4),
82 	SSP1_DATA3	= PINID(2, 5),
83 	SSP1_SCK	= PINID(2, 6),
84 	ROTARYA		= PINID(2, 7),
85 	ROTARYB		= PINID(2, 8),
86 	EMI_A00		= PINID(2, 9),
87 	EMI_A01		= PINID(2, 10),
88 	EMI_A02		= PINID(2, 11),
89 	EMI_A03		= PINID(2, 12),
90 	EMI_A04		= PINID(2, 13),
91 	EMI_A05		= PINID(2, 14),
92 	EMI_A06		= PINID(2, 15),
93 	EMI_A07		= PINID(2, 16),
94 	EMI_A08		= PINID(2, 17),
95 	EMI_A09		= PINID(2, 18),
96 	EMI_A10		= PINID(2, 19),
97 	EMI_A11		= PINID(2, 20),
98 	EMI_A12		= PINID(2, 21),
99 	EMI_BA0		= PINID(2, 22),
100 	EMI_BA1		= PINID(2, 23),
101 	EMI_CASN	= PINID(2, 24),
102 	EMI_CE0N	= PINID(2, 25),
103 	EMI_CE1N	= PINID(2, 26),
104 	GPMI_CE1N	= PINID(2, 27),
105 	GPMI_CE0N	= PINID(2, 28),
106 	EMI_CKE		= PINID(2, 29),
107 	EMI_RASN	= PINID(2, 30),
108 	EMI_WEN		= PINID(2, 31),
109 	EMI_D00		= PINID(3, 0),
110 	EMI_D01		= PINID(3, 1),
111 	EMI_D02		= PINID(3, 2),
112 	EMI_D03		= PINID(3, 3),
113 	EMI_D04		= PINID(3, 4),
114 	EMI_D05		= PINID(3, 5),
115 	EMI_D06		= PINID(3, 6),
116 	EMI_D07		= PINID(3, 7),
117 	EMI_D08		= PINID(3, 8),
118 	EMI_D09		= PINID(3, 9),
119 	EMI_D10		= PINID(3, 10),
120 	EMI_D11		= PINID(3, 11),
121 	EMI_D12		= PINID(3, 12),
122 	EMI_D13		= PINID(3, 13),
123 	EMI_D14		= PINID(3, 14),
124 	EMI_D15		= PINID(3, 15),
125 	EMI_DQM0	= PINID(3, 16),
126 	EMI_DQM1	= PINID(3, 17),
127 	EMI_DQS0	= PINID(3, 18),
128 	EMI_DQS1	= PINID(3, 19),
129 	EMI_CLK		= PINID(3, 20),
130 	EMI_CLKN	= PINID(3, 21),
131 };
132 
133 static const struct pinctrl_pin_desc imx23_pins[] = {
134 	MXS_PINCTRL_PIN(GPMI_D00),
135 	MXS_PINCTRL_PIN(GPMI_D01),
136 	MXS_PINCTRL_PIN(GPMI_D02),
137 	MXS_PINCTRL_PIN(GPMI_D03),
138 	MXS_PINCTRL_PIN(GPMI_D04),
139 	MXS_PINCTRL_PIN(GPMI_D05),
140 	MXS_PINCTRL_PIN(GPMI_D06),
141 	MXS_PINCTRL_PIN(GPMI_D07),
142 	MXS_PINCTRL_PIN(GPMI_D08),
143 	MXS_PINCTRL_PIN(GPMI_D09),
144 	MXS_PINCTRL_PIN(GPMI_D10),
145 	MXS_PINCTRL_PIN(GPMI_D11),
146 	MXS_PINCTRL_PIN(GPMI_D12),
147 	MXS_PINCTRL_PIN(GPMI_D13),
148 	MXS_PINCTRL_PIN(GPMI_D14),
149 	MXS_PINCTRL_PIN(GPMI_D15),
150 	MXS_PINCTRL_PIN(GPMI_CLE),
151 	MXS_PINCTRL_PIN(GPMI_ALE),
152 	MXS_PINCTRL_PIN(GPMI_CE2N),
153 	MXS_PINCTRL_PIN(GPMI_RDY0),
154 	MXS_PINCTRL_PIN(GPMI_RDY1),
155 	MXS_PINCTRL_PIN(GPMI_RDY2),
156 	MXS_PINCTRL_PIN(GPMI_RDY3),
157 	MXS_PINCTRL_PIN(GPMI_WPN),
158 	MXS_PINCTRL_PIN(GPMI_WRN),
159 	MXS_PINCTRL_PIN(GPMI_RDN),
160 	MXS_PINCTRL_PIN(AUART1_CTS),
161 	MXS_PINCTRL_PIN(AUART1_RTS),
162 	MXS_PINCTRL_PIN(AUART1_RX),
163 	MXS_PINCTRL_PIN(AUART1_TX),
164 	MXS_PINCTRL_PIN(I2C_SCL),
165 	MXS_PINCTRL_PIN(I2C_SDA),
166 	MXS_PINCTRL_PIN(LCD_D00),
167 	MXS_PINCTRL_PIN(LCD_D01),
168 	MXS_PINCTRL_PIN(LCD_D02),
169 	MXS_PINCTRL_PIN(LCD_D03),
170 	MXS_PINCTRL_PIN(LCD_D04),
171 	MXS_PINCTRL_PIN(LCD_D05),
172 	MXS_PINCTRL_PIN(LCD_D06),
173 	MXS_PINCTRL_PIN(LCD_D07),
174 	MXS_PINCTRL_PIN(LCD_D08),
175 	MXS_PINCTRL_PIN(LCD_D09),
176 	MXS_PINCTRL_PIN(LCD_D10),
177 	MXS_PINCTRL_PIN(LCD_D11),
178 	MXS_PINCTRL_PIN(LCD_D12),
179 	MXS_PINCTRL_PIN(LCD_D13),
180 	MXS_PINCTRL_PIN(LCD_D14),
181 	MXS_PINCTRL_PIN(LCD_D15),
182 	MXS_PINCTRL_PIN(LCD_D16),
183 	MXS_PINCTRL_PIN(LCD_D17),
184 	MXS_PINCTRL_PIN(LCD_RESET),
185 	MXS_PINCTRL_PIN(LCD_RS),
186 	MXS_PINCTRL_PIN(LCD_WR),
187 	MXS_PINCTRL_PIN(LCD_CS),
188 	MXS_PINCTRL_PIN(LCD_DOTCK),
189 	MXS_PINCTRL_PIN(LCD_ENABLE),
190 	MXS_PINCTRL_PIN(LCD_HSYNC),
191 	MXS_PINCTRL_PIN(LCD_VSYNC),
192 	MXS_PINCTRL_PIN(PWM0),
193 	MXS_PINCTRL_PIN(PWM1),
194 	MXS_PINCTRL_PIN(PWM2),
195 	MXS_PINCTRL_PIN(PWM3),
196 	MXS_PINCTRL_PIN(PWM4),
197 	MXS_PINCTRL_PIN(SSP1_CMD),
198 	MXS_PINCTRL_PIN(SSP1_DETECT),
199 	MXS_PINCTRL_PIN(SSP1_DATA0),
200 	MXS_PINCTRL_PIN(SSP1_DATA1),
201 	MXS_PINCTRL_PIN(SSP1_DATA2),
202 	MXS_PINCTRL_PIN(SSP1_DATA3),
203 	MXS_PINCTRL_PIN(SSP1_SCK),
204 	MXS_PINCTRL_PIN(ROTARYA),
205 	MXS_PINCTRL_PIN(ROTARYB),
206 	MXS_PINCTRL_PIN(EMI_A00),
207 	MXS_PINCTRL_PIN(EMI_A01),
208 	MXS_PINCTRL_PIN(EMI_A02),
209 	MXS_PINCTRL_PIN(EMI_A03),
210 	MXS_PINCTRL_PIN(EMI_A04),
211 	MXS_PINCTRL_PIN(EMI_A05),
212 	MXS_PINCTRL_PIN(EMI_A06),
213 	MXS_PINCTRL_PIN(EMI_A07),
214 	MXS_PINCTRL_PIN(EMI_A08),
215 	MXS_PINCTRL_PIN(EMI_A09),
216 	MXS_PINCTRL_PIN(EMI_A10),
217 	MXS_PINCTRL_PIN(EMI_A11),
218 	MXS_PINCTRL_PIN(EMI_A12),
219 	MXS_PINCTRL_PIN(EMI_BA0),
220 	MXS_PINCTRL_PIN(EMI_BA1),
221 	MXS_PINCTRL_PIN(EMI_CASN),
222 	MXS_PINCTRL_PIN(EMI_CE0N),
223 	MXS_PINCTRL_PIN(EMI_CE1N),
224 	MXS_PINCTRL_PIN(GPMI_CE1N),
225 	MXS_PINCTRL_PIN(GPMI_CE0N),
226 	MXS_PINCTRL_PIN(EMI_CKE),
227 	MXS_PINCTRL_PIN(EMI_RASN),
228 	MXS_PINCTRL_PIN(EMI_WEN),
229 	MXS_PINCTRL_PIN(EMI_D00),
230 	MXS_PINCTRL_PIN(EMI_D01),
231 	MXS_PINCTRL_PIN(EMI_D02),
232 	MXS_PINCTRL_PIN(EMI_D03),
233 	MXS_PINCTRL_PIN(EMI_D04),
234 	MXS_PINCTRL_PIN(EMI_D05),
235 	MXS_PINCTRL_PIN(EMI_D06),
236 	MXS_PINCTRL_PIN(EMI_D07),
237 	MXS_PINCTRL_PIN(EMI_D08),
238 	MXS_PINCTRL_PIN(EMI_D09),
239 	MXS_PINCTRL_PIN(EMI_D10),
240 	MXS_PINCTRL_PIN(EMI_D11),
241 	MXS_PINCTRL_PIN(EMI_D12),
242 	MXS_PINCTRL_PIN(EMI_D13),
243 	MXS_PINCTRL_PIN(EMI_D14),
244 	MXS_PINCTRL_PIN(EMI_D15),
245 	MXS_PINCTRL_PIN(EMI_DQM0),
246 	MXS_PINCTRL_PIN(EMI_DQM1),
247 	MXS_PINCTRL_PIN(EMI_DQS0),
248 	MXS_PINCTRL_PIN(EMI_DQS1),
249 	MXS_PINCTRL_PIN(EMI_CLK),
250 	MXS_PINCTRL_PIN(EMI_CLKN),
251 };
252 
253 static const struct mxs_regs imx23_regs = {
254 	.muxsel = 0x100,
255 	.drive = 0x200,
256 	.pull = 0x400,
257 };
258 
259 static struct mxs_pinctrl_soc_data imx23_pinctrl_data = {
260 	.regs = &imx23_regs,
261 	.pins = imx23_pins,
262 	.npins = ARRAY_SIZE(imx23_pins),
263 };
264 
imx23_pinctrl_probe(struct platform_device * pdev)265 static int imx23_pinctrl_probe(struct platform_device *pdev)
266 {
267 	return mxs_pinctrl_probe(pdev, &imx23_pinctrl_data);
268 }
269 
270 static const struct of_device_id imx23_pinctrl_of_match[] = {
271 	{ .compatible = "fsl,imx23-pinctrl", },
272 	{ /* sentinel */ }
273 };
274 
275 static struct platform_driver imx23_pinctrl_driver = {
276 	.driver = {
277 		.name = "imx23-pinctrl",
278 		.suppress_bind_attrs = true,
279 		.of_match_table = imx23_pinctrl_of_match,
280 	},
281 	.probe = imx23_pinctrl_probe,
282 };
283 
imx23_pinctrl_init(void)284 static int __init imx23_pinctrl_init(void)
285 {
286 	return platform_driver_register(&imx23_pinctrl_driver);
287 }
288 postcore_initcall(imx23_pinctrl_init);
289