62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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#include <linux/bitops.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 RT2880_GPIO_MODE_I2C BIT(0)
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#define RT2880_GPIO_MODE_UART0 BIT(1)
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#define RT2880_GPIO_MODE_SPI BIT(2)
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#define RT2880_GPIO_MODE_UART1 BIT(3)
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#define RT2880_GPIO_MODE_JTAG BIT(4)
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#define RT2880_GPIO_MODE_MDIO BIT(5)
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#define RT2880_GPIO_MODE_SDRAM BIT(6)
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#define RT2880_GPIO_MODE_PCI BIT(7)
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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, 7, 8) };
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static struct ralink_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) };
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static struct ralink_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) };
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static struct ralink_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) };
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static struct ralink_pmx_func pci_func[] = { FUNC("pci", 0, 40, 32) };
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static struct ralink_pmx_group rt2880_pinmux_data_act[] = {
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GRP("i2c", i2c_func, 1, RT2880_GPIO_MODE_I2C),
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GRP("spi", spi_func, 1, RT2880_GPIO_MODE_SPI),
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GRP("uartlite", uartlite_func, 1, RT2880_GPIO_MODE_UART0),
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GRP("jtag", jtag_func, 1, RT2880_GPIO_MODE_JTAG),
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GRP("mdio", mdio_func, 1, RT2880_GPIO_MODE_MDIO),
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GRP("sdram", sdram_func, 1, RT2880_GPIO_MODE_SDRAM),
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GRP("pci", pci_func, 1, RT2880_GPIO_MODE_PCI),
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{ 0 }
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};
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static int rt2880_pinctrl_probe(struct platform_device *pdev)
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{
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return ralink_pinctrl_init(pdev, rt2880_pinmux_data_act);
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}
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static const struct of_device_id rt2880_pinctrl_match[] = {
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{ .compatible = "ralink,rt2880-pinctrl" },
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{ .compatible = "ralink,rt2880-pinmux" },
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{}
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};
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MODULE_DEVICE_TABLE(of, rt2880_pinctrl_match);
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static struct platform_driver rt2880_pinctrl_driver = {
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.probe = rt2880_pinctrl_probe,
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.driver = {
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.name = "rt2880-pinctrl",
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.of_match_table = rt2880_pinctrl_match,
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},
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};
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static int __init rt2880_pinctrl_init(void)
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{
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return platform_driver_register(&rt2880_pinctrl_driver);
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}
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core_initcall_sync(rt2880_pinctrl_init);
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