pinctrl-mt76x8.c

  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);