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| author | Sergio Paracuellos <sergio.paracuellos@gmail.com> | 2021-06-04 14:51:59 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-06-07 10:17:48 +0300 |
| commit | a49a8717d8693b339fb2b62e5846286d6126de7d (patch) | |
| tree | 239718964557e260fb603f64756c05bf2831ef64 /drivers/pinctrl | |
| parent | 745ec436de7223fbe086be5123fe3014c4220611 (diff) | |
| download | linux-a49a8717d8693b339fb2b62e5846286d6126de7d.tar.xz | |
pinctrl: ralink: move RT288X SoC pinmux config into a new 'pinctrl-rt288x.c' file
Move all related code for SoC RT288X into a new driver located
in 'pinctrl-rt288x.c' source file.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210604115159.8834-7-sergio.paracuellos@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/ralink/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/pinctrl/ralink/Makefile | 1 | ||||
| -rw-r--r-- | drivers/pinctrl/ralink/pinctrl-rt288x.c | 60 |
3 files changed, 66 insertions, 0 deletions
diff --git a/drivers/pinctrl/ralink/Kconfig b/drivers/pinctrl/ralink/Kconfig index 6edf0589cf0a..a76ee3deb8c3 100644 --- a/drivers/pinctrl/ralink/Kconfig +++ b/drivers/pinctrl/ralink/Kconfig @@ -21,6 +21,11 @@ config PINCTRL_MT7621 depends on RALINK && SOC_MT7621 select PINCTRL_RT2880 +config PINCTRL_RT288X + bool "RT288X pinctrl driver for RALINK/Mediatek SOCs" + depends on RALINK && SOC_RT288X + select PINCTRL_RT2880 + config PINCTRL_RT305X bool "RT305X pinctrl driver for RALINK/Mediatek SOCs" depends on RALINK && SOC_RT305X diff --git a/drivers/pinctrl/ralink/Makefile b/drivers/pinctrl/ralink/Makefile index 9b99b20e51e6..a15610206ced 100644 --- a/drivers/pinctrl/ralink/Makefile +++ b/drivers/pinctrl/ralink/Makefile @@ -3,5 +3,6 @@ obj-$(CONFIG_PINCTRL_RT2880) += pinctrl-rt2880.o obj-$(CONFIG_PINCTRL_MT7620) += pinctrl-mt7620.o obj-$(CONFIG_PINCTRL_MT7621) += pinctrl-mt7621.o +obj-$(CONFIG_PINCTRL_RT288X) += pinctrl-rt288x.o obj-$(CONFIG_PINCTRL_RT305X) += pinctrl-rt305x.o obj-$(CONFIG_PINCTRL_RT3883) += pinctrl-rt3883.o diff --git a/drivers/pinctrl/ralink/pinctrl-rt288x.c b/drivers/pinctrl/ralink/pinctrl-rt288x.c new file mode 100644 index 000000000000..0744aebbace5 --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-rt288x.c @@ -0,0 +1,60 @@ +// 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); |