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