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pinctrl: ralink: move RT305X SoC pinmux config into a new 'pinctrl-rt…
…305x.c' file Move all related code for SoC RT305X into a new driver located in 'pinctrl-rt305x.c' source file. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210604115159.8834-5-sergio.paracuellos@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| // SPDX-License-Identifier: GPL-2.0-only | ||
|
|
||
| #include <asm/mach-ralink/rt305x.h> | ||
| #include <linux/module.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/of.h> | ||
| #include "pinmux.h" | ||
|
|
||
| #define RT305X_GPIO_MODE_UART0_SHIFT 2 | ||
| #define RT305X_GPIO_MODE_UART0_MASK 0x7 | ||
| #define RT305X_GPIO_MODE_UART0(x) ((x) << RT305X_GPIO_MODE_UART0_SHIFT) | ||
| #define RT305X_GPIO_MODE_UARTF 0 | ||
| #define RT305X_GPIO_MODE_PCM_UARTF 1 | ||
| #define RT305X_GPIO_MODE_PCM_I2S 2 | ||
| #define RT305X_GPIO_MODE_I2S_UARTF 3 | ||
| #define RT305X_GPIO_MODE_PCM_GPIO 4 | ||
| #define RT305X_GPIO_MODE_GPIO_UARTF 5 | ||
| #define RT305X_GPIO_MODE_GPIO_I2S 6 | ||
| #define RT305X_GPIO_MODE_GPIO 7 | ||
|
|
||
| #define RT305X_GPIO_MODE_I2C 0 | ||
| #define RT305X_GPIO_MODE_SPI 1 | ||
| #define RT305X_GPIO_MODE_UART1 5 | ||
| #define RT305X_GPIO_MODE_JTAG 6 | ||
| #define RT305X_GPIO_MODE_MDIO 7 | ||
| #define RT305X_GPIO_MODE_SDRAM 8 | ||
| #define RT305X_GPIO_MODE_RGMII 9 | ||
| #define RT5350_GPIO_MODE_PHY_LED 14 | ||
| #define RT5350_GPIO_MODE_SPI_CS1 21 | ||
| #define RT3352_GPIO_MODE_LNA 18 | ||
| #define RT3352_GPIO_MODE_PA 20 | ||
|
|
||
| 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 uartf_func[] = { | ||
| FUNC("uartf", RT305X_GPIO_MODE_UARTF, 7, 8), | ||
| FUNC("pcm uartf", RT305X_GPIO_MODE_PCM_UARTF, 7, 8), | ||
| FUNC("pcm i2s", RT305X_GPIO_MODE_PCM_I2S, 7, 8), | ||
| FUNC("i2s uartf", RT305X_GPIO_MODE_I2S_UARTF, 7, 8), | ||
| FUNC("pcm gpio", RT305X_GPIO_MODE_PCM_GPIO, 11, 4), | ||
| FUNC("gpio uartf", RT305X_GPIO_MODE_GPIO_UARTF, 7, 4), | ||
| FUNC("gpio i2s", RT305X_GPIO_MODE_GPIO_I2S, 7, 4), | ||
| }; | ||
| static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; | ||
| 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 rt5350_led_func[] = { FUNC("led", 0, 22, 5) }; | ||
| static struct rt2880_pmx_func rt5350_cs1_func[] = { | ||
| FUNC("spi_cs1", 0, 27, 1), | ||
| FUNC("wdg_cs1", 1, 27, 1), | ||
| }; | ||
| static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) }; | ||
| static struct rt2880_pmx_func rt3352_rgmii_func[] = { | ||
| FUNC("rgmii", 0, 24, 12) | ||
| }; | ||
| static struct rt2880_pmx_func rgmii_func[] = { FUNC("rgmii", 0, 40, 12) }; | ||
| static struct rt2880_pmx_func rt3352_lna_func[] = { FUNC("lna", 0, 36, 2) }; | ||
| static struct rt2880_pmx_func rt3352_pa_func[] = { FUNC("pa", 0, 38, 2) }; | ||
| static struct rt2880_pmx_func rt3352_led_func[] = { FUNC("led", 0, 40, 5) }; | ||
| static struct rt2880_pmx_func rt3352_cs1_func[] = { | ||
| FUNC("spi_cs1", 0, 45, 1), | ||
| FUNC("wdg_cs1", 1, 45, 1), | ||
| }; | ||
|
|
||
| static struct rt2880_pmx_group rt3050_pinmux_data[] = { | ||
| GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), | ||
| GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), | ||
| GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, | ||
| RT305X_GPIO_MODE_UART0_SHIFT), | ||
| GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), | ||
| GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), | ||
| GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO), | ||
| GRP("rgmii", rgmii_func, 1, RT305X_GPIO_MODE_RGMII), | ||
| GRP("sdram", sdram_func, 1, RT305X_GPIO_MODE_SDRAM), | ||
| { 0 } | ||
| }; | ||
|
|
||
| static struct rt2880_pmx_group rt3352_pinmux_data[] = { | ||
| GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), | ||
| GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), | ||
| GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, | ||
| RT305X_GPIO_MODE_UART0_SHIFT), | ||
| GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), | ||
| GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), | ||
| GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO), | ||
| GRP("rgmii", rt3352_rgmii_func, 1, RT305X_GPIO_MODE_RGMII), | ||
| GRP("lna", rt3352_lna_func, 1, RT3352_GPIO_MODE_LNA), | ||
| GRP("pa", rt3352_pa_func, 1, RT3352_GPIO_MODE_PA), | ||
| GRP("led", rt3352_led_func, 1, RT5350_GPIO_MODE_PHY_LED), | ||
| GRP("spi_cs1", rt3352_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1), | ||
| { 0 } | ||
| }; | ||
|
|
||
| static struct rt2880_pmx_group rt5350_pinmux_data[] = { | ||
| GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), | ||
| GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), | ||
| GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, | ||
| RT305X_GPIO_MODE_UART0_SHIFT), | ||
| GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), | ||
| GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), | ||
| GRP("led", rt5350_led_func, 1, RT5350_GPIO_MODE_PHY_LED), | ||
| GRP("spi_cs1", rt5350_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1), | ||
| { 0 } | ||
| }; | ||
|
|
||
| static int rt305x_pinmux_probe(struct platform_device *pdev) | ||
| { | ||
| if (soc_is_rt5350()) | ||
| return rt2880_pinmux_init(pdev, rt5350_pinmux_data); | ||
| else if (soc_is_rt305x() || soc_is_rt3350()) | ||
| return rt2880_pinmux_init(pdev, rt3050_pinmux_data); | ||
| else if (soc_is_rt3352()) | ||
| return rt2880_pinmux_init(pdev, rt3352_pinmux_data); | ||
| else | ||
| return -EINVAL; | ||
| } | ||
|
|
||
| static const struct of_device_id rt305x_pinmux_match[] = { | ||
| { .compatible = "ralink,rt2880-pinmux" }, | ||
| {} | ||
| }; | ||
| MODULE_DEVICE_TABLE(of, rt305x_pinmux_match); | ||
|
|
||
| static struct platform_driver rt305x_pinmux_driver = { | ||
| .probe = rt305x_pinmux_probe, | ||
| .driver = { | ||
| .name = "rt2880-pinmux", | ||
| .of_match_table = rt305x_pinmux_match, | ||
| }, | ||
| }; | ||
|
|
||
| static int __init rt305x_pinmux_init(void) | ||
| { | ||
| return platform_driver_register(&rt305x_pinmux_driver); | ||
| } | ||
| core_initcall_sync(rt305x_pinmux_init); |