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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/pinctrl/ralink/pinctrl-rt2880.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pinctrl/ralink/pinctrl-rt2880.c')
-rw-r--r-- | drivers/pinctrl/ralink/pinctrl-rt2880.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/pinctrl/ralink/pinctrl-rt2880.c b/drivers/pinctrl/ralink/pinctrl-rt2880.c new file mode 100644 index 000000000..fd9af7c2f --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-rt2880.c @@ -0,0 +1,61 @@ +// 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 "pinctrl-ralink.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 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 uartlite_func[] = { FUNC("uartlite", 0, 7, 8) }; +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 sdram_func[] = { FUNC("sdram", 0, 24, 16) }; +static struct ralink_pmx_func pci_func[] = { FUNC("pci", 0, 40, 32) }; + +static struct ralink_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 rt2880_pinctrl_probe(struct platform_device *pdev) +{ + return ralink_pinctrl_init(pdev, rt2880_pinmux_data_act); +} + +static const struct of_device_id rt2880_pinctrl_match[] = { + { .compatible = "ralink,rt2880-pinctrl" }, + { .compatible = "ralink,rt2880-pinmux" }, + {} +}; +MODULE_DEVICE_TABLE(of, rt2880_pinctrl_match); + +static struct platform_driver rt2880_pinctrl_driver = { + .probe = rt2880_pinctrl_probe, + .driver = { + .name = "rt2880-pinctrl", + .of_match_table = rt2880_pinctrl_match, + }, +}; + +static int __init rt2880_pinctrl_init(void) +{ + return platform_driver_register(&rt2880_pinctrl_driver); +} +core_initcall_sync(rt2880_pinctrl_init); |