tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
38static 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
44static 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
50static 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
56static 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
62static struct mtmips_pmx_func i2c_grp[] = {
63 FUNC("debug", 2, 4, 2),
64 FUNC("i2c", 0, 4, 2),
65};
66
67static struct mtmips_pmx_func refclk_grp[] = { FUNC("refclk", 0, 37, 1) };
68static struct mtmips_pmx_func perst_grp[] = { FUNC("perst", 0, 36, 1) };
69static struct mtmips_pmx_func wdt_grp[] = { FUNC("wdt", 0, 38, 1) };
70static struct mtmips_pmx_func spi_grp[] = { FUNC("spi", 0, 7, 4) };
71
72static 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
78static struct mtmips_pmx_func uart0_grp[] = {
79 FUNC("uart0", 0, 12, 2),
80};
81
82static 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
88static struct mtmips_pmx_func spi_cs1_grp[] = {
89 FUNC("spi refclk", 2, 6, 1),
90 FUNC("spi cs1", 0, 6, 1),
91};
92
93static 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
99static struct mtmips_pmx_func gpio_grp[] = {
100 FUNC("pcie", 3, 11, 1),
101 FUNC("gpio refclk", 2, 11, 1),
102};
103
104static 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
110static 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
116static 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
122static 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
128static struct mtmips_pmx_func p0led_kn_grp[] = {
129 FUNC("p0led_kn jtag", 3, 34, 1),
130 FUNC("p0led_kn", 0, 34, 1),
131};
132
133static struct mtmips_pmx_func wled_kn_grp[] = {
134 FUNC("wled_kn", 0, 35, 1),
135};
136
137static 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
143static 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
149static 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
155static 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
161static struct mtmips_pmx_func p0led_an_grp[] = {
162 FUNC("p0led_an jtag", 3, 43, 1),
163 FUNC("p0led_an", 0, 43, 1),
164};
165
166static struct mtmips_pmx_func wled_an_grp[] = {
167 FUNC("wled_an", 0, 44, 1),
168};
169
170static 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
224static int mt76x8_pinctrl_probe(struct platform_device *pdev)
225{
226 return mtmips_pinctrl_init(pdev, mt76x8_pinmux_data);
227}
228
229static 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};
235MODULE_DEVICE_TABLE(of, mt76x8_pinctrl_match);
236
237static 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
245static int __init mt76x8_pinctrl_init(void)
246{
247 return platform_driver_register(&mt76x8_pinctrl_driver);
248}
249core_initcall_sync(mt76x8_pinctrl_init);