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60 lines
2.0 KiB
60 lines
2.0 KiB
// 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 "pinmux.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 rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; |
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static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; |
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static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 7, 8) }; |
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static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; |
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static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; |
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static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) }; |
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static struct rt2880_pmx_func pci_func[] = { FUNC("pci", 0, 40, 32) }; |
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static struct rt2880_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 rt288x_pinmux_probe(struct platform_device *pdev) |
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{ |
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return rt2880_pinmux_init(pdev, rt2880_pinmux_data_act); |
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} |
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static const struct of_device_id rt288x_pinmux_match[] = { |
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{ .compatible = "ralink,rt2880-pinmux" }, |
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{} |
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}; |
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MODULE_DEVICE_TABLE(of, rt288x_pinmux_match); |
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static struct platform_driver rt288x_pinmux_driver = { |
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.probe = rt288x_pinmux_probe, |
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.driver = { |
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.name = "rt2880-pinmux", |
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.of_match_table = rt288x_pinmux_match, |
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}, |
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}; |
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static int __init rt288x_pinmux_init(void) |
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{ |
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return platform_driver_register(&rt288x_pinmux_driver); |
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} |
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core_initcall_sync(rt288x_pinmux_init);
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