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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include "pinctrl-ralink.h"
#define RT3883_GPIO_MODE_UART0_SHIFT 2
#define RT3883_GPIO_MODE_UART0_MASK 0x7
#define RT3883_GPIO_MODE_UART0(x) ((x) << RT3883_GPIO_MODE_UART0_SHIFT)
#define RT3883_GPIO_MODE_UARTF 0x0
#define RT3883_GPIO_MODE_PCM_UARTF 0x1
#define RT3883_GPIO_MODE_PCM_I2S 0x2
#define RT3883_GPIO_MODE_I2S_UARTF 0x3
#define RT3883_GPIO_MODE_PCM_GPIO 0x4
#define RT3883_GPIO_MODE_GPIO_UARTF 0x5
#define RT3883_GPIO_MODE_GPIO_I2S 0x6
#define RT3883_GPIO_MODE_GPIO 0x7
#define RT3883_GPIO_MODE_I2C 0
#define RT3883_GPIO_MODE_SPI 1
#define RT3883_GPIO_MODE_UART1 5
#define RT3883_GPIO_MODE_JTAG 6
#define RT3883_GPIO_MODE_MDIO 7
#define RT3883_GPIO_MODE_GE1 9
#define RT3883_GPIO_MODE_GE2 10
#define RT3883_GPIO_MODE_PCI_SHIFT 11
#define RT3883_GPIO_MODE_PCI_MASK 0x7
#define RT3883_GPIO_MODE_PCI (RT3883_GPIO_MODE_PCI_MASK << RT3883_GPIO_MODE_PCI_SHIFT)
#define RT3883_GPIO_MODE_LNA_A_SHIFT 16
#define RT3883_GPIO_MODE_LNA_A_MASK 0x3
#define _RT3883_GPIO_MODE_LNA_A(_x) ((_x) << RT3883_GPIO_MODE_LNA_A_SHIFT)
#define RT3883_GPIO_MODE_LNA_A_GPIO 0x3
#define RT3883_GPIO_MODE_LNA_A _RT3883_GPIO_MODE_LNA_A(RT3883_GPIO_MODE_LNA_A_MASK)
#define RT3883_GPIO_MODE_LNA_G_SHIFT 18
#define RT3883_GPIO_MODE_LNA_G_MASK 0x3
#define _RT3883_GPIO_MODE_LNA_G(_x) ((_x) << RT3883_GPIO_MODE_LNA_G_SHIFT)
#define RT3883_GPIO_MODE_LNA_G_GPIO 0x3
#define RT3883_GPIO_MODE_LNA_G _RT3883_GPIO_MODE_LNA_G(RT3883_GPIO_MODE_LNA_G_MASK)
static struct ralink_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) };
static struct ralink_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) };
static struct ralink_pmx_func uartf_func[] = {
FUNC("uartf", RT3883_GPIO_MODE_UARTF, 7, 8),
FUNC("pcm uartf", RT3883_GPIO_MODE_PCM_UARTF, 7, 8),
FUNC("pcm i2s", RT3883_GPIO_MODE_PCM_I2S, 7, 8),
FUNC("i2s uartf", RT3883_GPIO_MODE_I2S_UARTF, 7, 8),
FUNC("pcm gpio", RT3883_GPIO_MODE_PCM_GPIO, 11, 4),
FUNC("gpio uartf", RT3883_GPIO_MODE_GPIO_UARTF, 7, 4),
FUNC("gpio i2s", RT3883_GPIO_MODE_GPIO_I2S, 7, 4),
};
static struct ralink_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) };
static struct ralink_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) };
static struct ralink_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) };
static struct ralink_pmx_func lna_a_func[] = { FUNC("lna a", 0, 32, 3) };
static struct ralink_pmx_func lna_g_func[] = { FUNC("lna g", 0, 35, 3) };
static struct ralink_pmx_func pci_func[] = {
FUNC("pci-dev", 0, 40, 32),
FUNC("pci-host2", 1, 40, 32),
FUNC("pci-host1", 2, 40, 32),
FUNC("pci-fnc", 3, 40, 32)
};
static struct ralink_pmx_func ge1_func[] = { FUNC("ge1", 0, 72, 12) };
static struct ralink_pmx_func ge2_func[] = { FUNC("ge2", 0, 84, 12) };
static struct ralink_pmx_group rt3883_pinmux_data[] = {
GRP("i2c", i2c_func, 1, RT3883_GPIO_MODE_I2C),
GRP("spi", spi_func, 1, RT3883_GPIO_MODE_SPI),
GRP("uartf", uartf_func, RT3883_GPIO_MODE_UART0_MASK,
RT3883_GPIO_MODE_UART0_SHIFT),
GRP("uartlite", uartlite_func, 1, RT3883_GPIO_MODE_UART1),
GRP("jtag", jtag_func, 1, RT3883_GPIO_MODE_JTAG),
GRP("mdio", mdio_func, 1, RT3883_GPIO_MODE_MDIO),
GRP("lna a", lna_a_func, 1, RT3883_GPIO_MODE_LNA_A),
GRP("lna g", lna_g_func, 1, RT3883_GPIO_MODE_LNA_G),
GRP("pci", pci_func, RT3883_GPIO_MODE_PCI_MASK,
RT3883_GPIO_MODE_PCI_SHIFT),
GRP("ge1", ge1_func, 1, RT3883_GPIO_MODE_GE1),
GRP("ge2", ge2_func, 1, RT3883_GPIO_MODE_GE2),
{ 0 }
};
static int rt3883_pinctrl_probe(struct platform_device *pdev)
{
return ralink_pinctrl_init(pdev, rt3883_pinmux_data);
}
static const struct of_device_id rt3883_pinctrl_match[] = {
{ .compatible = "ralink,rt3883-pinctrl" },
{ .compatible = "ralink,rt2880-pinmux" },
{}
};
MODULE_DEVICE_TABLE(of, rt3883_pinctrl_match);
static struct platform_driver rt3883_pinctrl_driver = {
.probe = rt3883_pinctrl_probe,
.driver = {
.name = "rt3883-pinctrl",
.of_match_table = rt3883_pinctrl_match,
},
};
static int __init rt3883_pinctrl_init(void)
{
return platform_driver_register(&rt3883_pinctrl_driver);
}
core_initcall_sync(rt3883_pinctrl_init);
|
