393 lines
12 KiB
C
393 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <asm/mach-ralink/ralink_regs.h>
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#include <asm/mach-ralink/mt7620.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include "pinctrl-ralink.h"
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#define MT7620_GPIO_MODE_UART0_SHIFT 2
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#define MT7620_GPIO_MODE_UART0_MASK 0x7
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#define MT7620_GPIO_MODE_UART0(x) ((x) << MT7620_GPIO_MODE_UART0_SHIFT)
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#define MT7620_GPIO_MODE_UARTF 0x0
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#define MT7620_GPIO_MODE_PCM_UARTF 0x1
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#define MT7620_GPIO_MODE_PCM_I2S 0x2
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#define MT7620_GPIO_MODE_I2S_UARTF 0x3
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#define MT7620_GPIO_MODE_PCM_GPIO 0x4
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#define MT7620_GPIO_MODE_GPIO_UARTF 0x5
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#define MT7620_GPIO_MODE_GPIO_I2S 0x6
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#define MT7620_GPIO_MODE_GPIO 0x7
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#define MT7620_GPIO_MODE_NAND 0
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#define MT7620_GPIO_MODE_SD 1
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#define MT7620_GPIO_MODE_ND_SD_GPIO 2
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#define MT7620_GPIO_MODE_ND_SD_MASK 0x3
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#define MT7620_GPIO_MODE_ND_SD_SHIFT 18
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#define MT7620_GPIO_MODE_PCIE_RST 0
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#define MT7620_GPIO_MODE_PCIE_REF 1
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#define MT7620_GPIO_MODE_PCIE_GPIO 2
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#define MT7620_GPIO_MODE_PCIE_MASK 0x3
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#define MT7620_GPIO_MODE_PCIE_SHIFT 16
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#define MT7620_GPIO_MODE_WDT_RST 0
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#define MT7620_GPIO_MODE_WDT_REF 1
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#define MT7620_GPIO_MODE_WDT_GPIO 2
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#define MT7620_GPIO_MODE_WDT_MASK 0x3
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#define MT7620_GPIO_MODE_WDT_SHIFT 21
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#define MT7620_GPIO_MODE_MDIO 0
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#define MT7620_GPIO_MODE_MDIO_REFCLK 1
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#define MT7620_GPIO_MODE_MDIO_GPIO 2
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#define MT7620_GPIO_MODE_MDIO_MASK 0x3
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#define MT7620_GPIO_MODE_MDIO_SHIFT 7
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#define MT7620_GPIO_MODE_I2C 0
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#define MT7620_GPIO_MODE_UART1 5
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#define MT7620_GPIO_MODE_RGMII1 9
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#define MT7620_GPIO_MODE_RGMII2 10
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#define MT7620_GPIO_MODE_SPI 11
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#define MT7620_GPIO_MODE_SPI_REF_CLK 12
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#define MT7620_GPIO_MODE_WLED 13
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#define MT7620_GPIO_MODE_JTAG 15
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#define MT7620_GPIO_MODE_EPHY 15
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#define MT7620_GPIO_MODE_PA 20
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static struct ralink_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) };
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static struct ralink_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) };
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static struct ralink_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) };
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static struct ralink_pmx_func mdio_func[] = {
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FUNC("mdio", MT7620_GPIO_MODE_MDIO, 22, 2),
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FUNC("refclk", MT7620_GPIO_MODE_MDIO_REFCLK, 22, 2),
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};
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static struct ralink_pmx_func rgmii1_func[] = { FUNC("rgmii1", 0, 24, 12) };
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static struct ralink_pmx_func refclk_func[] = { FUNC("spi refclk", 0, 37, 3) };
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static struct ralink_pmx_func ephy_func[] = { FUNC("ephy", 0, 40, 5) };
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static struct ralink_pmx_func rgmii2_func[] = { FUNC("rgmii2", 0, 60, 12) };
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static struct ralink_pmx_func wled_func[] = { FUNC("wled", 0, 72, 1) };
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static struct ralink_pmx_func pa_func[] = { FUNC("pa", 0, 18, 4) };
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static struct ralink_pmx_func uartf_func[] = {
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FUNC("uartf", MT7620_GPIO_MODE_UARTF, 7, 8),
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FUNC("pcm uartf", MT7620_GPIO_MODE_PCM_UARTF, 7, 8),
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FUNC("pcm i2s", MT7620_GPIO_MODE_PCM_I2S, 7, 8),
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FUNC("i2s uartf", MT7620_GPIO_MODE_I2S_UARTF, 7, 8),
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FUNC("pcm gpio", MT7620_GPIO_MODE_PCM_GPIO, 11, 4),
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FUNC("gpio uartf", MT7620_GPIO_MODE_GPIO_UARTF, 7, 4),
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FUNC("gpio i2s", MT7620_GPIO_MODE_GPIO_I2S, 7, 4),
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};
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static struct ralink_pmx_func wdt_func[] = {
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FUNC("wdt rst", 0, 17, 1),
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FUNC("wdt refclk", 0, 17, 1),
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};
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static struct ralink_pmx_func pcie_rst_func[] = {
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FUNC("pcie rst", MT7620_GPIO_MODE_PCIE_RST, 36, 1),
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FUNC("pcie refclk", MT7620_GPIO_MODE_PCIE_REF, 36, 1)
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};
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static struct ralink_pmx_func nd_sd_func[] = {
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FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15),
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FUNC("sd", MT7620_GPIO_MODE_SD, 47, 13)
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};
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static struct ralink_pmx_group mt7620a_pinmux_data[] = {
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GRP("i2c", i2c_func, 1, MT7620_GPIO_MODE_I2C),
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GRP("uartf", uartf_func, MT7620_GPIO_MODE_UART0_MASK,
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MT7620_GPIO_MODE_UART0_SHIFT),
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GRP("spi", spi_func, 1, MT7620_GPIO_MODE_SPI),
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GRP("uartlite", uartlite_func, 1, MT7620_GPIO_MODE_UART1),
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GRP_G("wdt", wdt_func, MT7620_GPIO_MODE_WDT_MASK,
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MT7620_GPIO_MODE_WDT_GPIO, MT7620_GPIO_MODE_WDT_SHIFT),
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GRP_G("mdio", mdio_func, MT7620_GPIO_MODE_MDIO_MASK,
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MT7620_GPIO_MODE_MDIO_GPIO, MT7620_GPIO_MODE_MDIO_SHIFT),
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GRP("rgmii1", rgmii1_func, 1, MT7620_GPIO_MODE_RGMII1),
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GRP("spi refclk", refclk_func, 1, MT7620_GPIO_MODE_SPI_REF_CLK),
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GRP_G("pcie", pcie_rst_func, MT7620_GPIO_MODE_PCIE_MASK,
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MT7620_GPIO_MODE_PCIE_GPIO, MT7620_GPIO_MODE_PCIE_SHIFT),
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GRP_G("nd_sd", nd_sd_func, MT7620_GPIO_MODE_ND_SD_MASK,
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MT7620_GPIO_MODE_ND_SD_GPIO, MT7620_GPIO_MODE_ND_SD_SHIFT),
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GRP("rgmii2", rgmii2_func, 1, MT7620_GPIO_MODE_RGMII2),
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GRP("wled", wled_func, 1, MT7620_GPIO_MODE_WLED),
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GRP("ephy", ephy_func, 1, MT7620_GPIO_MODE_EPHY),
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GRP("pa", pa_func, 1, MT7620_GPIO_MODE_PA),
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{ 0 }
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};
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static struct ralink_pmx_func pwm1_func_mt76x8[] = {
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FUNC("sdxc d6", 3, 19, 1),
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FUNC("utif", 2, 19, 1),
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FUNC("gpio", 1, 19, 1),
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FUNC("pwm1", 0, 19, 1),
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};
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static struct ralink_pmx_func pwm0_func_mt76x8[] = {
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FUNC("sdxc d7", 3, 18, 1),
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FUNC("utif", 2, 18, 1),
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FUNC("gpio", 1, 18, 1),
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FUNC("pwm0", 0, 18, 1),
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};
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static struct ralink_pmx_func uart2_func_mt76x8[] = {
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FUNC("sdxc d5 d4", 3, 20, 2),
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FUNC("pwm", 2, 20, 2),
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FUNC("gpio", 1, 20, 2),
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FUNC("uart2", 0, 20, 2),
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};
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static struct ralink_pmx_func uart1_func_mt76x8[] = {
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FUNC("sw_r", 3, 45, 2),
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FUNC("pwm", 2, 45, 2),
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FUNC("gpio", 1, 45, 2),
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FUNC("uart1", 0, 45, 2),
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};
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static struct ralink_pmx_func i2c_func_mt76x8[] = {
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FUNC("-", 3, 4, 2),
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FUNC("debug", 2, 4, 2),
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FUNC("gpio", 1, 4, 2),
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FUNC("i2c", 0, 4, 2),
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};
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static struct ralink_pmx_func refclk_func_mt76x8[] = { FUNC("refclk", 0, 37, 1) };
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static struct ralink_pmx_func perst_func_mt76x8[] = { FUNC("perst", 0, 36, 1) };
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static struct ralink_pmx_func wdt_func_mt76x8[] = { FUNC("wdt", 0, 38, 1) };
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static struct ralink_pmx_func spi_func_mt76x8[] = { FUNC("spi", 0, 7, 4) };
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static struct ralink_pmx_func sd_mode_func_mt76x8[] = {
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FUNC("jtag", 3, 22, 8),
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FUNC("utif", 2, 22, 8),
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FUNC("gpio", 1, 22, 8),
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FUNC("sdxc", 0, 22, 8),
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};
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static struct ralink_pmx_func uart0_func_mt76x8[] = {
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FUNC("-", 3, 12, 2),
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FUNC("-", 2, 12, 2),
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FUNC("gpio", 1, 12, 2),
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FUNC("uart0", 0, 12, 2),
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};
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static struct ralink_pmx_func i2s_func_mt76x8[] = {
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FUNC("antenna", 3, 0, 4),
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FUNC("pcm", 2, 0, 4),
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FUNC("gpio", 1, 0, 4),
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FUNC("i2s", 0, 0, 4),
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};
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static struct ralink_pmx_func spi_cs1_func_mt76x8[] = {
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FUNC("-", 3, 6, 1),
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FUNC("refclk", 2, 6, 1),
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FUNC("gpio", 1, 6, 1),
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FUNC("spi cs1", 0, 6, 1),
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};
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static struct ralink_pmx_func spis_func_mt76x8[] = {
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FUNC("pwm_uart2", 3, 14, 4),
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FUNC("utif", 2, 14, 4),
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FUNC("gpio", 1, 14, 4),
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FUNC("spis", 0, 14, 4),
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};
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static struct ralink_pmx_func gpio_func_mt76x8[] = {
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FUNC("pcie", 3, 11, 1),
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FUNC("refclk", 2, 11, 1),
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FUNC("gpio", 1, 11, 1),
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FUNC("gpio", 0, 11, 1),
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};
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static struct ralink_pmx_func p4led_kn_func_mt76x8[] = {
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FUNC("jtag", 3, 30, 1),
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FUNC("utif", 2, 30, 1),
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FUNC("gpio", 1, 30, 1),
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FUNC("p4led_kn", 0, 30, 1),
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};
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static struct ralink_pmx_func p3led_kn_func_mt76x8[] = {
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FUNC("jtag", 3, 31, 1),
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FUNC("utif", 2, 31, 1),
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FUNC("gpio", 1, 31, 1),
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FUNC("p3led_kn", 0, 31, 1),
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};
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static struct ralink_pmx_func p2led_kn_func_mt76x8[] = {
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FUNC("jtag", 3, 32, 1),
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FUNC("utif", 2, 32, 1),
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FUNC("gpio", 1, 32, 1),
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FUNC("p2led_kn", 0, 32, 1),
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};
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static struct ralink_pmx_func p1led_kn_func_mt76x8[] = {
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FUNC("jtag", 3, 33, 1),
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FUNC("utif", 2, 33, 1),
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FUNC("gpio", 1, 33, 1),
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FUNC("p1led_kn", 0, 33, 1),
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};
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static struct ralink_pmx_func p0led_kn_func_mt76x8[] = {
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FUNC("jtag", 3, 34, 1),
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FUNC("rsvd", 2, 34, 1),
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FUNC("gpio", 1, 34, 1),
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FUNC("p0led_kn", 0, 34, 1),
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};
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static struct ralink_pmx_func wled_kn_func_mt76x8[] = {
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FUNC("rsvd", 3, 35, 1),
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FUNC("rsvd", 2, 35, 1),
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FUNC("gpio", 1, 35, 1),
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FUNC("wled_kn", 0, 35, 1),
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};
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static struct ralink_pmx_func p4led_an_func_mt76x8[] = {
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FUNC("jtag", 3, 39, 1),
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FUNC("utif", 2, 39, 1),
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FUNC("gpio", 1, 39, 1),
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FUNC("p4led_an", 0, 39, 1),
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};
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static struct ralink_pmx_func p3led_an_func_mt76x8[] = {
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FUNC("jtag", 3, 40, 1),
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FUNC("utif", 2, 40, 1),
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FUNC("gpio", 1, 40, 1),
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FUNC("p3led_an", 0, 40, 1),
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};
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static struct ralink_pmx_func p2led_an_func_mt76x8[] = {
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FUNC("jtag", 3, 41, 1),
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FUNC("utif", 2, 41, 1),
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FUNC("gpio", 1, 41, 1),
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FUNC("p2led_an", 0, 41, 1),
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};
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static struct ralink_pmx_func p1led_an_func_mt76x8[] = {
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FUNC("jtag", 3, 42, 1),
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FUNC("utif", 2, 42, 1),
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FUNC("gpio", 1, 42, 1),
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FUNC("p1led_an", 0, 42, 1),
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};
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static struct ralink_pmx_func p0led_an_func_mt76x8[] = {
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FUNC("jtag", 3, 43, 1),
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FUNC("rsvd", 2, 43, 1),
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FUNC("gpio", 1, 43, 1),
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FUNC("p0led_an", 0, 43, 1),
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};
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static struct ralink_pmx_func wled_an_func_mt76x8[] = {
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FUNC("rsvd", 3, 44, 1),
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FUNC("rsvd", 2, 44, 1),
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FUNC("gpio", 1, 44, 1),
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FUNC("wled_an", 0, 44, 1),
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};
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#define MT76X8_GPIO_MODE_MASK 0x3
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#define MT76X8_GPIO_MODE_P4LED_KN 58
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#define MT76X8_GPIO_MODE_P3LED_KN 56
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#define MT76X8_GPIO_MODE_P2LED_KN 54
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#define MT76X8_GPIO_MODE_P1LED_KN 52
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#define MT76X8_GPIO_MODE_P0LED_KN 50
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#define MT76X8_GPIO_MODE_WLED_KN 48
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#define MT76X8_GPIO_MODE_P4LED_AN 42
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#define MT76X8_GPIO_MODE_P3LED_AN 40
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#define MT76X8_GPIO_MODE_P2LED_AN 38
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#define MT76X8_GPIO_MODE_P1LED_AN 36
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#define MT76X8_GPIO_MODE_P0LED_AN 34
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#define MT76X8_GPIO_MODE_WLED_AN 32
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#define MT76X8_GPIO_MODE_PWM1 30
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#define MT76X8_GPIO_MODE_PWM0 28
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#define MT76X8_GPIO_MODE_UART2 26
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#define MT76X8_GPIO_MODE_UART1 24
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#define MT76X8_GPIO_MODE_I2C 20
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#define MT76X8_GPIO_MODE_REFCLK 18
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#define MT76X8_GPIO_MODE_PERST 16
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#define MT76X8_GPIO_MODE_WDT 14
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#define MT76X8_GPIO_MODE_SPI 12
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#define MT76X8_GPIO_MODE_SDMODE 10
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#define MT76X8_GPIO_MODE_UART0 8
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#define MT76X8_GPIO_MODE_I2S 6
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#define MT76X8_GPIO_MODE_CS1 4
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#define MT76X8_GPIO_MODE_SPIS 2
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#define MT76X8_GPIO_MODE_GPIO 0
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static struct ralink_pmx_group mt76x8_pinmux_data[] = {
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GRP_G("pwm1", pwm1_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_PWM1),
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GRP_G("pwm0", pwm0_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_PWM0),
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GRP_G("uart2", uart2_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_UART2),
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GRP_G("uart1", uart1_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_UART1),
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GRP_G("i2c", i2c_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_I2C),
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GRP("refclk", refclk_func_mt76x8, 1, MT76X8_GPIO_MODE_REFCLK),
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GRP("perst", perst_func_mt76x8, 1, MT76X8_GPIO_MODE_PERST),
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GRP("wdt", wdt_func_mt76x8, 1, MT76X8_GPIO_MODE_WDT),
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GRP("spi", spi_func_mt76x8, 1, MT76X8_GPIO_MODE_SPI),
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GRP_G("sdmode", sd_mode_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_SDMODE),
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GRP_G("uart0", uart0_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_UART0),
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GRP_G("i2s", i2s_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_I2S),
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GRP_G("spi cs1", spi_cs1_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_CS1),
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GRP_G("spis", spis_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_SPIS),
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GRP_G("gpio", gpio_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_GPIO),
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GRP_G("wled_an", wled_an_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_WLED_AN),
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GRP_G("p0led_an", p0led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P0LED_AN),
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GRP_G("p1led_an", p1led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P1LED_AN),
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GRP_G("p2led_an", p2led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P2LED_AN),
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GRP_G("p3led_an", p3led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P3LED_AN),
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GRP_G("p4led_an", p4led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P4LED_AN),
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GRP_G("wled_kn", wled_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_WLED_KN),
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GRP_G("p0led_kn", p0led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P0LED_KN),
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GRP_G("p1led_kn", p1led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P1LED_KN),
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GRP_G("p2led_kn", p2led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P2LED_KN),
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GRP_G("p3led_kn", p3led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P3LED_KN),
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GRP_G("p4led_kn", p4led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK,
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1, MT76X8_GPIO_MODE_P4LED_KN),
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{ 0 }
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};
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static int mt7620_pinctrl_probe(struct platform_device *pdev)
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|
{
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if (is_mt76x8())
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return ralink_pinctrl_init(pdev, mt76x8_pinmux_data);
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else
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return ralink_pinctrl_init(pdev, mt7620a_pinmux_data);
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|
}
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|
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|
static const struct of_device_id mt7620_pinctrl_match[] = {
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{ .compatible = "ralink,mt7620-pinctrl" },
|
|
{ .compatible = "ralink,rt2880-pinmux" },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, mt7620_pinctrl_match);
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|
|
|
static struct platform_driver mt7620_pinctrl_driver = {
|
|
.probe = mt7620_pinctrl_probe,
|
|
.driver = {
|
|
.name = "mt7620-pinctrl",
|
|
.of_match_table = mt7620_pinctrl_match,
|
|
},
|
|
};
|
|
|
|
static int __init mt7620_pinctrl_init(void)
|
|
{
|
|
return platform_driver_register(&mt7620_pinctrl_driver);
|
|
}
|
|
core_initcall_sync(mt7620_pinctrl_init);
|