1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include "pinmux.h"
#define RT2880_GPIO_MODE_I2C BIT(0)
#define RT2880_GPIO_MODE_UART0 BIT(1)
#define RT2880_GPIO_MODE_SPI BIT(2)
#define RT2880_GPIO_MODE_UART1 BIT(3)
#define RT2880_GPIO_MODE_JTAG BIT(4)
#define RT2880_GPIO_MODE_MDIO BIT(5)
#define RT2880_GPIO_MODE_SDRAM BIT(6)
#define RT2880_GPIO_MODE_PCI BIT(7)
static struct rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) };
static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) };
static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 7, 8) };
static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) };
static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) };
static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) };
static struct rt2880_pmx_func pci_func[] = { FUNC("pci", 0, 40, 32) };
static struct rt2880_pmx_group rt2880_pinmux_data_act[] = {
GRP("i2c", i2c_func, 1, RT2880_GPIO_MODE_I2C),
GRP("spi", spi_func, 1, RT2880_GPIO_MODE_SPI),
GRP("uartlite", uartlite_func, 1, RT2880_GPIO_MODE_UART0),
GRP("jtag", jtag_func, 1, RT2880_GPIO_MODE_JTAG),
GRP("mdio", mdio_func, 1, RT2880_GPIO_MODE_MDIO),
GRP("sdram", sdram_func, 1, RT2880_GPIO_MODE_SDRAM),
GRP("pci", pci_func, 1, RT2880_GPIO_MODE_PCI),
{ 0 }
};
static int rt288x_pinmux_probe(struct platform_device *pdev)
{
return rt2880_pinmux_init(pdev, rt2880_pinmux_data_act);
}
static const struct of_device_id rt288x_pinmux_match[] = {
{ .compatible = "ralink,rt2880-pinmux" },
{}
};
MODULE_DEVICE_TABLE(of, rt288x_pinmux_match);
static struct platform_driver rt288x_pinmux_driver = {
.probe = rt288x_pinmux_probe,
.driver = {
.name = "rt2880-pinmux",
.of_match_table = rt288x_pinmux_match,
},
};
static int __init rt288x_pinmux_init(void)
{
return platform_driver_register(&rt288x_pinmux_driver);
}
core_initcall_sync(rt288x_pinmux_init);
|
