1 // SPDX-License-Identifier: GPL-2.0-only
2
3 #include <linux/module.h>
4 #include <linux/platform_device.h>
5 #include <linux/of.h>
6 #include "pinctrl-mtmips.h"
7
8 #define MT76X8_GPIO_MODE_MASK 0x3
9
10 #define MT76X8_GPIO_MODE_P4LED_KN 58
11 #define MT76X8_GPIO_MODE_P3LED_KN 56
12 #define MT76X8_GPIO_MODE_P2LED_KN 54
13 #define MT76X8_GPIO_MODE_P1LED_KN 52
14 #define MT76X8_GPIO_MODE_P0LED_KN 50
15 #define MT76X8_GPIO_MODE_WLED_KN 48
16 #define MT76X8_GPIO_MODE_P4LED_AN 42
17 #define MT76X8_GPIO_MODE_P3LED_AN 40
18 #define MT76X8_GPIO_MODE_P2LED_AN 38
19 #define MT76X8_GPIO_MODE_P1LED_AN 36
20 #define MT76X8_GPIO_MODE_P0LED_AN 34
21 #define MT76X8_GPIO_MODE_WLED_AN 32
22 #define MT76X8_GPIO_MODE_PWM1 30
23 #define MT76X8_GPIO_MODE_PWM0 28
24 #define MT76X8_GPIO_MODE_UART2 26
25 #define MT76X8_GPIO_MODE_UART1 24
26 #define MT76X8_GPIO_MODE_I2C 20
27 #define MT76X8_GPIO_MODE_REFCLK 18
28 #define MT76X8_GPIO_MODE_PERST 16
29 #define MT76X8_GPIO_MODE_WDT 14
30 #define MT76X8_GPIO_MODE_SPI 12
31 #define MT76X8_GPIO_MODE_SDMODE 10
32 #define MT76X8_GPIO_MODE_UART0 8
33 #define MT76X8_GPIO_MODE_I2S 6
34 #define MT76X8_GPIO_MODE_CS1 4
35 #define MT76X8_GPIO_MODE_SPIS 2
36 #define MT76X8_GPIO_MODE_GPIO 0
37
38 static struct mtmips_pmx_func pwm1_grp[] = {
39 FUNC("sdxc d6", 3, 19, 1),
40 FUNC("utif", 2, 19, 1),
41 FUNC("gpio", 1, 19, 1),
42 FUNC("pwm1", 0, 19, 1),
43 };
44
45 static struct mtmips_pmx_func pwm0_grp[] = {
46 FUNC("sdxc d7", 3, 18, 1),
47 FUNC("utif", 2, 18, 1),
48 FUNC("gpio", 1, 18, 1),
49 FUNC("pwm0", 0, 18, 1),
50 };
51
52 static struct mtmips_pmx_func uart2_grp[] = {
53 FUNC("sdxc d5 d4", 3, 20, 2),
54 FUNC("pwm", 2, 20, 2),
55 FUNC("gpio", 1, 20, 2),
56 FUNC("uart2", 0, 20, 2),
57 };
58
59 static struct mtmips_pmx_func uart1_grp[] = {
60 FUNC("sw_r", 3, 45, 2),
61 FUNC("pwm", 2, 45, 2),
62 FUNC("gpio", 1, 45, 2),
63 FUNC("uart1", 0, 45, 2),
64 };
65
66 static struct mtmips_pmx_func i2c_grp[] = {
67 FUNC("-", 3, 4, 2),
68 FUNC("debug", 2, 4, 2),
69 FUNC("gpio", 1, 4, 2),
70 FUNC("i2c", 0, 4, 2),
71 };
72
73 static struct mtmips_pmx_func refclk_grp[] = { FUNC("refclk", 0, 37, 1) };
74 static struct mtmips_pmx_func perst_grp[] = { FUNC("perst", 0, 36, 1) };
75 static struct mtmips_pmx_func wdt_grp[] = { FUNC("wdt", 0, 38, 1) };
76 static struct mtmips_pmx_func spi_grp[] = { FUNC("spi", 0, 7, 4) };
77
78 static struct mtmips_pmx_func sd_mode_grp[] = {
79 FUNC("jtag", 3, 22, 8),
80 FUNC("utif", 2, 22, 8),
81 FUNC("gpio", 1, 22, 8),
82 FUNC("sdxc", 0, 22, 8),
83 };
84
85 static struct mtmips_pmx_func uart0_grp[] = {
86 FUNC("-", 3, 12, 2),
87 FUNC("-", 2, 12, 2),
88 FUNC("gpio", 1, 12, 2),
89 FUNC("uart0", 0, 12, 2),
90 };
91
92 static struct mtmips_pmx_func i2s_grp[] = {
93 FUNC("antenna", 3, 0, 4),
94 FUNC("pcm", 2, 0, 4),
95 FUNC("gpio", 1, 0, 4),
96 FUNC("i2s", 0, 0, 4),
97 };
98
99 static struct mtmips_pmx_func spi_cs1_grp[] = {
100 FUNC("-", 3, 6, 1),
101 FUNC("refclk", 2, 6, 1),
102 FUNC("gpio", 1, 6, 1),
103 FUNC("spi cs1", 0, 6, 1),
104 };
105
106 static struct mtmips_pmx_func spis_grp[] = {
107 FUNC("pwm_uart2", 3, 14, 4),
108 FUNC("utif", 2, 14, 4),
109 FUNC("gpio", 1, 14, 4),
110 FUNC("spis", 0, 14, 4),
111 };
112
113 static struct mtmips_pmx_func gpio_grp[] = {
114 FUNC("pcie", 3, 11, 1),
115 FUNC("refclk", 2, 11, 1),
116 FUNC("gpio", 1, 11, 1),
117 FUNC("gpio", 0, 11, 1),
118 };
119
120 static struct mtmips_pmx_func p4led_kn_grp[] = {
121 FUNC("jtag", 3, 30, 1),
122 FUNC("utif", 2, 30, 1),
123 FUNC("gpio", 1, 30, 1),
124 FUNC("p4led_kn", 0, 30, 1),
125 };
126
127 static struct mtmips_pmx_func p3led_kn_grp[] = {
128 FUNC("jtag", 3, 31, 1),
129 FUNC("utif", 2, 31, 1),
130 FUNC("gpio", 1, 31, 1),
131 FUNC("p3led_kn", 0, 31, 1),
132 };
133
134 static struct mtmips_pmx_func p2led_kn_grp[] = {
135 FUNC("jtag", 3, 32, 1),
136 FUNC("utif", 2, 32, 1),
137 FUNC("gpio", 1, 32, 1),
138 FUNC("p2led_kn", 0, 32, 1),
139 };
140
141 static struct mtmips_pmx_func p1led_kn_grp[] = {
142 FUNC("jtag", 3, 33, 1),
143 FUNC("utif", 2, 33, 1),
144 FUNC("gpio", 1, 33, 1),
145 FUNC("p1led_kn", 0, 33, 1),
146 };
147
148 static struct mtmips_pmx_func p0led_kn_grp[] = {
149 FUNC("jtag", 3, 34, 1),
150 FUNC("rsvd", 2, 34, 1),
151 FUNC("gpio", 1, 34, 1),
152 FUNC("p0led_kn", 0, 34, 1),
153 };
154
155 static struct mtmips_pmx_func wled_kn_grp[] = {
156 FUNC("rsvd", 3, 35, 1),
157 FUNC("rsvd", 2, 35, 1),
158 FUNC("gpio", 1, 35, 1),
159 FUNC("wled_kn", 0, 35, 1),
160 };
161
162 static struct mtmips_pmx_func p4led_an_grp[] = {
163 FUNC("jtag", 3, 39, 1),
164 FUNC("utif", 2, 39, 1),
165 FUNC("gpio", 1, 39, 1),
166 FUNC("p4led_an", 0, 39, 1),
167 };
168
169 static struct mtmips_pmx_func p3led_an_grp[] = {
170 FUNC("jtag", 3, 40, 1),
171 FUNC("utif", 2, 40, 1),
172 FUNC("gpio", 1, 40, 1),
173 FUNC("p3led_an", 0, 40, 1),
174 };
175
176 static struct mtmips_pmx_func p2led_an_grp[] = {
177 FUNC("jtag", 3, 41, 1),
178 FUNC("utif", 2, 41, 1),
179 FUNC("gpio", 1, 41, 1),
180 FUNC("p2led_an", 0, 41, 1),
181 };
182
183 static struct mtmips_pmx_func p1led_an_grp[] = {
184 FUNC("jtag", 3, 42, 1),
185 FUNC("utif", 2, 42, 1),
186 FUNC("gpio", 1, 42, 1),
187 FUNC("p1led_an", 0, 42, 1),
188 };
189
190 static struct mtmips_pmx_func p0led_an_grp[] = {
191 FUNC("jtag", 3, 43, 1),
192 FUNC("rsvd", 2, 43, 1),
193 FUNC("gpio", 1, 43, 1),
194 FUNC("p0led_an", 0, 43, 1),
195 };
196
197 static struct mtmips_pmx_func wled_an_grp[] = {
198 FUNC("rsvd", 3, 44, 1),
199 FUNC("rsvd", 2, 44, 1),
200 FUNC("gpio", 1, 44, 1),
201 FUNC("wled_an", 0, 44, 1),
202 };
203
204 static struct mtmips_pmx_group mt76x8_pinmux_data[] = {
205 GRP_G("pwm1", pwm1_grp, MT76X8_GPIO_MODE_MASK,
206 1, MT76X8_GPIO_MODE_PWM1),
207 GRP_G("pwm0", pwm0_grp, MT76X8_GPIO_MODE_MASK,
208 1, MT76X8_GPIO_MODE_PWM0),
209 GRP_G("uart2", uart2_grp, MT76X8_GPIO_MODE_MASK,
210 1, MT76X8_GPIO_MODE_UART2),
211 GRP_G("uart1", uart1_grp, MT76X8_GPIO_MODE_MASK,
212 1, MT76X8_GPIO_MODE_UART1),
213 GRP_G("i2c", i2c_grp, MT76X8_GPIO_MODE_MASK,
214 1, MT76X8_GPIO_MODE_I2C),
215 GRP("refclk", refclk_grp, 1, MT76X8_GPIO_MODE_REFCLK),
216 GRP("perst", perst_grp, 1, MT76X8_GPIO_MODE_PERST),
217 GRP("wdt", wdt_grp, 1, MT76X8_GPIO_MODE_WDT),
218 GRP("spi", spi_grp, 1, MT76X8_GPIO_MODE_SPI),
219 GRP_G("sdmode", sd_mode_grp, MT76X8_GPIO_MODE_MASK,
220 1, MT76X8_GPIO_MODE_SDMODE),
221 GRP_G("uart0", uart0_grp, MT76X8_GPIO_MODE_MASK,
222 1, MT76X8_GPIO_MODE_UART0),
223 GRP_G("i2s", i2s_grp, MT76X8_GPIO_MODE_MASK,
224 1, MT76X8_GPIO_MODE_I2S),
225 GRP_G("spi cs1", spi_cs1_grp, MT76X8_GPIO_MODE_MASK,
226 1, MT76X8_GPIO_MODE_CS1),
227 GRP_G("spis", spis_grp, MT76X8_GPIO_MODE_MASK,
228 1, MT76X8_GPIO_MODE_SPIS),
229 GRP_G("gpio", gpio_grp, MT76X8_GPIO_MODE_MASK,
230 1, MT76X8_GPIO_MODE_GPIO),
231 GRP_G("wled_an", wled_an_grp, MT76X8_GPIO_MODE_MASK,
232 1, MT76X8_GPIO_MODE_WLED_AN),
233 GRP_G("p0led_an", p0led_an_grp, MT76X8_GPIO_MODE_MASK,
234 1, MT76X8_GPIO_MODE_P0LED_AN),
235 GRP_G("p1led_an", p1led_an_grp, MT76X8_GPIO_MODE_MASK,
236 1, MT76X8_GPIO_MODE_P1LED_AN),
237 GRP_G("p2led_an", p2led_an_grp, MT76X8_GPIO_MODE_MASK,
238 1, MT76X8_GPIO_MODE_P2LED_AN),
239 GRP_G("p3led_an", p3led_an_grp, MT76X8_GPIO_MODE_MASK,
240 1, MT76X8_GPIO_MODE_P3LED_AN),
241 GRP_G("p4led_an", p4led_an_grp, MT76X8_GPIO_MODE_MASK,
242 1, MT76X8_GPIO_MODE_P4LED_AN),
243 GRP_G("wled_kn", wled_kn_grp, MT76X8_GPIO_MODE_MASK,
244 1, MT76X8_GPIO_MODE_WLED_KN),
245 GRP_G("p0led_kn", p0led_kn_grp, MT76X8_GPIO_MODE_MASK,
246 1, MT76X8_GPIO_MODE_P0LED_KN),
247 GRP_G("p1led_kn", p1led_kn_grp, MT76X8_GPIO_MODE_MASK,
248 1, MT76X8_GPIO_MODE_P1LED_KN),
249 GRP_G("p2led_kn", p2led_kn_grp, MT76X8_GPIO_MODE_MASK,
250 1, MT76X8_GPIO_MODE_P2LED_KN),
251 GRP_G("p3led_kn", p3led_kn_grp, MT76X8_GPIO_MODE_MASK,
252 1, MT76X8_GPIO_MODE_P3LED_KN),
253 GRP_G("p4led_kn", p4led_kn_grp, MT76X8_GPIO_MODE_MASK,
254 1, MT76X8_GPIO_MODE_P4LED_KN),
255 { 0 }
256 };
257
mt76x8_pinctrl_probe(struct platform_device * pdev)258 static int mt76x8_pinctrl_probe(struct platform_device *pdev)
259 {
260 return mtmips_pinctrl_init(pdev, mt76x8_pinmux_data);
261 }
262
263 static const struct of_device_id mt76x8_pinctrl_match[] = {
264 { .compatible = "ralink,mt76x8-pinctrl" },
265 { .compatible = "ralink,mt7620-pinctrl" },
266 { .compatible = "ralink,rt2880-pinmux" },
267 {}
268 };
269 MODULE_DEVICE_TABLE(of, mt76x8_pinctrl_match);
270
271 static struct platform_driver mt76x8_pinctrl_driver = {
272 .probe = mt76x8_pinctrl_probe,
273 .driver = {
274 .name = "mt76x8-pinctrl",
275 .of_match_table = mt76x8_pinctrl_match,
276 },
277 };
278
mt76x8_pinctrl_init(void)279 static int __init mt76x8_pinctrl_init(void)
280 {
281 return platform_driver_register(&mt76x8_pinctrl_driver);
282 }
283 core_initcall_sync(mt76x8_pinctrl_init);
284