108 lines
4.0 KiB
C
108 lines
4.0 KiB
C
// 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_pinmux_probe(struct platform_device *pdev)
|
|
{
|
|
return ralink_pinmux_init(pdev, rt3883_pinmux_data);
|
|
}
|
|
|
|
static const struct of_device_id rt3883_pinmux_match[] = {
|
|
{ .compatible = "ralink,rt2880-pinmux" },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, rt3883_pinmux_match);
|
|
|
|
static struct platform_driver rt3883_pinmux_driver = {
|
|
.probe = rt3883_pinmux_probe,
|
|
.driver = {
|
|
.name = "rt2880-pinmux",
|
|
.of_match_table = rt3883_pinmux_match,
|
|
},
|
|
};
|
|
|
|
static int __init rt3883_pinmux_init(void)
|
|
{
|
|
return platform_driver_register(&rt3883_pinmux_driver);
|
|
}
|
|
core_initcall_sync(rt3883_pinmux_init);
|