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
18static struct mtmips_pmx_func i2c_grp[] = { FUNC("i2c", 0, 1, 2) };
19static struct mtmips_pmx_func spi_grp[] = { FUNC("spi", 0, 3, 4) };
20static struct mtmips_pmx_func uartlite_grp[] = { FUNC("uartlite", 0, 7, 8) };
21static struct mtmips_pmx_func jtag_grp[] = { FUNC("jtag", 0, 17, 5) };
22static struct mtmips_pmx_func mdio_grp[] = { FUNC("mdio", 0, 22, 2) };
23static struct mtmips_pmx_func sdram_grp[] = { FUNC("sdram", 0, 24, 16) };
24static struct mtmips_pmx_func pci_grp[] = { FUNC("pci", 0, 40, 32) };
25
26static 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
37static int rt2880_pinctrl_probe(struct platform_device *pdev)
38{
39	return mtmips_pinctrl_init(pdev, rt2880_pinmux_data_act);
40}
41
42static const struct of_device_id rt2880_pinctrl_match[] = {
43	{ .compatible = "ralink,rt2880-pinctrl" },
44	{ .compatible = "ralink,rt2880-pinmux" },
45	{}
46};
47MODULE_DEVICE_TABLE(of, rt2880_pinctrl_match);
48
49static 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
57static int __init rt2880_pinctrl_init(void)
58{
59	return platform_driver_register(&rt2880_pinctrl_driver);
60}
61core_initcall_sync(rt2880_pinctrl_init);
62