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("utif", 2, 19, 1),
41	FUNC("gpio", 1, 19, 1),
42	FUNC("pwm1", 0, 19, 1),
43};
44
45static 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
52static 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
59static 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
66static 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
73static struct mtmips_pmx_func refclk_grp[] = { FUNC("refclk", 0, 37, 1) };
74static struct mtmips_pmx_func perst_grp[] = { FUNC("perst", 0, 36, 1) };
75static struct mtmips_pmx_func wdt_grp[] = { FUNC("wdt", 0, 38, 1) };
76static struct mtmips_pmx_func spi_grp[] = { FUNC("spi", 0, 7, 4) };
77
78static 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
85static 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
92static 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
99static 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
106static 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
113static 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
120static 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
127static 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
134static 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
141static 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
148static 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
155static 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
162static 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
169static 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
176static 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
183static 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
190static 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
197static 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
204static 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
258static int mt76x8_pinctrl_probe(struct platform_device *pdev)
259{
260	return mtmips_pinctrl_init(pdev, mt76x8_pinmux_data);
261}
262
263static 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};
269MODULE_DEVICE_TABLE(of, mt76x8_pinctrl_match);
270
271static 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
279static int __init mt76x8_pinctrl_init(void)
280{
281	return platform_driver_register(&mt76x8_pinctrl_driver);
282}
283core_initcall_sync(mt76x8_pinctrl_init);
284