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 MT7621_GPIO_MODE_UART1 1 |
9 | #define MT7621_GPIO_MODE_I2C 2 |
10 | #define MT7621_GPIO_MODE_UART3_MASK 0x3 |
11 | #define MT7621_GPIO_MODE_UART3_SHIFT 3 |
12 | #define MT7621_GPIO_MODE_UART3_GPIO 1 |
13 | #define MT7621_GPIO_MODE_UART2_MASK 0x3 |
14 | #define MT7621_GPIO_MODE_UART2_SHIFT 5 |
15 | #define MT7621_GPIO_MODE_UART2_GPIO 1 |
16 | #define MT7621_GPIO_MODE_JTAG 7 |
17 | #define MT7621_GPIO_MODE_WDT_MASK 0x3 |
18 | #define MT7621_GPIO_MODE_WDT_SHIFT 8 |
19 | #define MT7621_GPIO_MODE_WDT_GPIO 1 |
20 | #define MT7621_GPIO_MODE_PCIE_RST 0 |
21 | #define MT7621_GPIO_MODE_PCIE_REF 2 |
22 | #define MT7621_GPIO_MODE_PCIE_MASK 0x3 |
23 | #define MT7621_GPIO_MODE_PCIE_SHIFT 10 |
24 | #define MT7621_GPIO_MODE_PCIE_GPIO 1 |
25 | #define MT7621_GPIO_MODE_MDIO_MASK 0x3 |
26 | #define MT7621_GPIO_MODE_MDIO_SHIFT 12 |
27 | #define MT7621_GPIO_MODE_MDIO_GPIO 1 |
28 | #define MT7621_GPIO_MODE_RGMII1 14 |
29 | #define MT7621_GPIO_MODE_RGMII2 15 |
30 | #define MT7621_GPIO_MODE_SPI_MASK 0x3 |
31 | #define MT7621_GPIO_MODE_SPI_SHIFT 16 |
32 | #define MT7621_GPIO_MODE_SPI_GPIO 1 |
33 | #define MT7621_GPIO_MODE_SDHCI_MASK 0x3 |
34 | #define MT7621_GPIO_MODE_SDHCI_SHIFT 18 |
35 | #define MT7621_GPIO_MODE_SDHCI_GPIO 1 |
36 | |
37 | static struct mtmips_pmx_func uart1_grp[] = { FUNC("uart1" , 0, 1, 2) }; |
38 | static struct mtmips_pmx_func i2c_grp[] = { FUNC("i2c" , 0, 3, 2) }; |
39 | static struct mtmips_pmx_func uart3_grp[] = { |
40 | FUNC("uart3" , 0, 5, 4), |
41 | FUNC("i2s" , 2, 5, 4), |
42 | FUNC("spdif3" , 3, 5, 4), |
43 | }; |
44 | static struct mtmips_pmx_func uart2_grp[] = { |
45 | FUNC("uart2" , 0, 9, 4), |
46 | FUNC("pcm" , 2, 9, 4), |
47 | FUNC("spdif2" , 3, 9, 4), |
48 | }; |
49 | static struct mtmips_pmx_func jtag_grp[] = { FUNC("jtag" , 0, 13, 5) }; |
50 | static struct mtmips_pmx_func wdt_grp[] = { |
51 | FUNC("wdt rst" , 0, 18, 1), |
52 | FUNC("wdt refclk" , 2, 18, 1), |
53 | }; |
54 | static struct mtmips_pmx_func pcie_rst_grp[] = { |
55 | FUNC("pcie rst" , MT7621_GPIO_MODE_PCIE_RST, 19, 1), |
56 | FUNC("pcie refclk" , MT7621_GPIO_MODE_PCIE_REF, 19, 1) |
57 | }; |
58 | static struct mtmips_pmx_func mdio_grp[] = { FUNC("mdio" , 0, 20, 2) }; |
59 | static struct mtmips_pmx_func rgmii2_grp[] = { FUNC("rgmii2" , 0, 22, 12) }; |
60 | static struct mtmips_pmx_func spi_grp[] = { |
61 | FUNC("spi" , 0, 34, 7), |
62 | FUNC("nand1" , 2, 34, 7), |
63 | }; |
64 | static struct mtmips_pmx_func sdhci_grp[] = { |
65 | FUNC("sdhci" , 0, 41, 8), |
66 | FUNC("nand2" , 2, 41, 8), |
67 | }; |
68 | static struct mtmips_pmx_func rgmii1_grp[] = { FUNC("rgmii1" , 0, 49, 12) }; |
69 | |
70 | static struct mtmips_pmx_group mt7621_pinmux_data[] = { |
71 | GRP("uart1" , uart1_grp, 1, MT7621_GPIO_MODE_UART1), |
72 | GRP("i2c" , i2c_grp, 1, MT7621_GPIO_MODE_I2C), |
73 | GRP_G("uart3" , uart3_grp, MT7621_GPIO_MODE_UART3_MASK, |
74 | MT7621_GPIO_MODE_UART3_GPIO, MT7621_GPIO_MODE_UART3_SHIFT), |
75 | GRP_G("uart2" , uart2_grp, MT7621_GPIO_MODE_UART2_MASK, |
76 | MT7621_GPIO_MODE_UART2_GPIO, MT7621_GPIO_MODE_UART2_SHIFT), |
77 | GRP("jtag" , jtag_grp, 1, MT7621_GPIO_MODE_JTAG), |
78 | GRP_G("wdt" , wdt_grp, MT7621_GPIO_MODE_WDT_MASK, |
79 | MT7621_GPIO_MODE_WDT_GPIO, MT7621_GPIO_MODE_WDT_SHIFT), |
80 | GRP_G("pcie" , pcie_rst_grp, MT7621_GPIO_MODE_PCIE_MASK, |
81 | MT7621_GPIO_MODE_PCIE_GPIO, MT7621_GPIO_MODE_PCIE_SHIFT), |
82 | GRP_G("mdio" , mdio_grp, MT7621_GPIO_MODE_MDIO_MASK, |
83 | MT7621_GPIO_MODE_MDIO_GPIO, MT7621_GPIO_MODE_MDIO_SHIFT), |
84 | GRP("rgmii2" , rgmii2_grp, 1, MT7621_GPIO_MODE_RGMII2), |
85 | GRP_G("spi" , spi_grp, MT7621_GPIO_MODE_SPI_MASK, |
86 | MT7621_GPIO_MODE_SPI_GPIO, MT7621_GPIO_MODE_SPI_SHIFT), |
87 | GRP_G("sdhci" , sdhci_grp, MT7621_GPIO_MODE_SDHCI_MASK, |
88 | MT7621_GPIO_MODE_SDHCI_GPIO, MT7621_GPIO_MODE_SDHCI_SHIFT), |
89 | GRP("rgmii1" , rgmii1_grp, 1, MT7621_GPIO_MODE_RGMII1), |
90 | { 0 } |
91 | }; |
92 | |
93 | static int mt7621_pinctrl_probe(struct platform_device *pdev) |
94 | { |
95 | return mtmips_pinctrl_init(pdev, data: mt7621_pinmux_data); |
96 | } |
97 | |
98 | static const struct of_device_id mt7621_pinctrl_match[] = { |
99 | { .compatible = "ralink,mt7621-pinctrl" }, |
100 | { .compatible = "ralink,rt2880-pinmux" }, |
101 | {} |
102 | }; |
103 | MODULE_DEVICE_TABLE(of, mt7621_pinctrl_match); |
104 | |
105 | static struct platform_driver mt7621_pinctrl_driver = { |
106 | .probe = mt7621_pinctrl_probe, |
107 | .driver = { |
108 | .name = "mt7621-pinctrl" , |
109 | .of_match_table = mt7621_pinctrl_match, |
110 | }, |
111 | }; |
112 | |
113 | static int __init mt7621_pinctrl_init(void) |
114 | { |
115 | return platform_driver_register(&mt7621_pinctrl_driver); |
116 | } |
117 | core_initcall_sync(mt7621_pinctrl_init); |
118 | |