1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | |
3 | #include <linux/bitops.h> |
4 | #include <linux/module.h> |
5 | #include <linux/platform_device.h> |
6 | #include <linux/of.h> |
7 | #include "pinctrl-mtmips.h" |
8 | |
9 | #define RT2880_GPIO_MODE_I2C BIT(0) |
10 | #define RT2880_GPIO_MODE_UART0 BIT(1) |
11 | #define RT2880_GPIO_MODE_SPI BIT(2) |
12 | #define RT2880_GPIO_MODE_UART1 BIT(3) |
13 | #define RT2880_GPIO_MODE_JTAG BIT(4) |
14 | #define RT2880_GPIO_MODE_MDIO BIT(5) |
15 | #define RT2880_GPIO_MODE_SDRAM BIT(6) |
16 | #define RT2880_GPIO_MODE_PCI BIT(7) |
17 | |
18 | static struct mtmips_pmx_func i2c_grp[] = { FUNC("i2c" , 0, 1, 2) }; |
19 | static struct mtmips_pmx_func spi_grp[] = { FUNC("spi" , 0, 3, 4) }; |
20 | static struct mtmips_pmx_func uartlite_grp[] = { FUNC("uartlite" , 0, 7, 8) }; |
21 | static struct mtmips_pmx_func jtag_grp[] = { FUNC("jtag" , 0, 17, 5) }; |
22 | static struct mtmips_pmx_func mdio_grp[] = { FUNC("mdio" , 0, 22, 2) }; |
23 | static struct mtmips_pmx_func sdram_grp[] = { FUNC("sdram" , 0, 24, 16) }; |
24 | static struct mtmips_pmx_func pci_grp[] = { FUNC("pci" , 0, 40, 32) }; |
25 | |
26 | static struct mtmips_pmx_group rt2880_pinmux_data_act[] = { |
27 | GRP("i2c" , i2c_grp, 1, RT2880_GPIO_MODE_I2C), |
28 | GRP("spi" , spi_grp, 1, RT2880_GPIO_MODE_SPI), |
29 | GRP("uartlite" , uartlite_grp, 1, RT2880_GPIO_MODE_UART0), |
30 | GRP("jtag" , jtag_grp, 1, RT2880_GPIO_MODE_JTAG), |
31 | GRP("mdio" , mdio_grp, 1, RT2880_GPIO_MODE_MDIO), |
32 | GRP("sdram" , sdram_grp, 1, RT2880_GPIO_MODE_SDRAM), |
33 | GRP("pci" , pci_grp, 1, RT2880_GPIO_MODE_PCI), |
34 | { 0 } |
35 | }; |
36 | |
37 | static int rt2880_pinctrl_probe(struct platform_device *pdev) |
38 | { |
39 | return mtmips_pinctrl_init(pdev, data: rt2880_pinmux_data_act); |
40 | } |
41 | |
42 | static const struct of_device_id rt2880_pinctrl_match[] = { |
43 | { .compatible = "ralink,rt2880-pinctrl" }, |
44 | { .compatible = "ralink,rt2880-pinmux" }, |
45 | {} |
46 | }; |
47 | MODULE_DEVICE_TABLE(of, rt2880_pinctrl_match); |
48 | |
49 | static struct platform_driver rt2880_pinctrl_driver = { |
50 | .probe = rt2880_pinctrl_probe, |
51 | .driver = { |
52 | .name = "rt2880-pinctrl" , |
53 | .of_match_table = rt2880_pinctrl_match, |
54 | }, |
55 | }; |
56 | |
57 | static int __init rt2880_pinctrl_init(void) |
58 | { |
59 | return platform_driver_register(&rt2880_pinctrl_driver); |
60 | } |
61 | core_initcall_sync(rt2880_pinctrl_init); |
62 | |