// SPDX-License-Identifier: GPL-2.0-only #include <linux/module.h> #include <linux/platform_device.h> #include <linux/of.h> #include "pinctrl-ralink.h" #define RT3883_GPIO_MODE_UART0_SHIFT 2 #define RT3883_GPIO_MODE_UART0_MASK 0x7 #define RT3883_GPIO_MODE_UART0(x) ((x) << RT3883_GPIO_MODE_UART0_SHIFT) #define RT3883_GPIO_MODE_UARTF 0x0 #define RT3883_GPIO_MODE_PCM_UARTF 0x1 #define RT3883_GPIO_MODE_PCM_I2S 0x2 #define RT3883_GPIO_MODE_I2S_UARTF 0x3 #define RT3883_GPIO_MODE_PCM_GPIO 0x4 #define RT3883_GPIO_MODE_GPIO_UARTF 0x5 #define RT3883_GPIO_MODE_GPIO_I2S 0x6 #define RT3883_GPIO_MODE_GPIO 0x7 #define RT3883_GPIO_MODE_I2C 0 #define RT3883_GPIO_MODE_SPI 1 #define RT3883_GPIO_MODE_UART1 5 #define RT3883_GPIO_MODE_JTAG 6 #define RT3883_GPIO_MODE_MDIO 7 #define RT3883_GPIO_MODE_GE1 9 #define RT3883_GPIO_MODE_GE2 10 #define RT3883_GPIO_MODE_PCI_SHIFT 11 #define RT3883_GPIO_MODE_PCI_MASK 0x7 #define RT3883_GPIO_MODE_PCI (RT3883_GPIO_MODE_PCI_MASK << RT3883_GPIO_MODE_PCI_SHIFT) #define RT3883_GPIO_MODE_LNA_A_SHIFT 16 #define RT3883_GPIO_MODE_LNA_A_MASK 0x3 #define _RT3883_GPIO_MODE_LNA_A(_x) ((_x) << RT3883_GPIO_MODE_LNA_A_SHIFT) #define RT3883_GPIO_MODE_LNA_A_GPIO 0x3 #define RT3883_GPIO_MODE_LNA_A _RT3883_GPIO_MODE_LNA_A(RT3883_GPIO_MODE_LNA_A_MASK) #define RT3883_GPIO_MODE_LNA_G_SHIFT 18 #define RT3883_GPIO_MODE_LNA_G_MASK 0x3 #define _RT3883_GPIO_MODE_LNA_G(_x) ((_x) << RT3883_GPIO_MODE_LNA_G_SHIFT) #define RT3883_GPIO_MODE_LNA_G_GPIO 0x3 #define RT3883_GPIO_MODE_LNA_G _RT3883_GPIO_MODE_LNA_G(RT3883_GPIO_MODE_LNA_G_MASK) 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 uartf_func[] = { FUNC("uartf", RT3883_GPIO_MODE_UARTF, 7, 8), FUNC("pcm uartf", RT3883_GPIO_MODE_PCM_UARTF, 7, 8), FUNC("pcm i2s", RT3883_GPIO_MODE_PCM_I2S, 7, 8), FUNC("i2s uartf", RT3883_GPIO_MODE_I2S_UARTF, 7, 8), FUNC("pcm gpio", RT3883_GPIO_MODE_PCM_GPIO, 11, 4), FUNC("gpio uartf", RT3883_GPIO_MODE_GPIO_UARTF, 7, 4), FUNC("gpio i2s", RT3883_GPIO_MODE_GPIO_I2S, 7, 4), }; static struct ralink_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; 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 lna_a_func[] = { FUNC("lna a", 0, 32, 3) }; static struct ralink_pmx_func lna_g_func[] = { FUNC("lna g", 0, 35, 3) }; static struct ralink_pmx_func pci_func[] = { FUNC("pci-dev", 0, 40, 32), FUNC("pci-host2", 1, 40, 32), FUNC("pci-host1", 2, 40, 32), FUNC("pci-fnc", 3, 40, 32) }; static struct ralink_pmx_func ge1_func[] = { FUNC("ge1", 0, 72, 12) }; static struct ralink_pmx_func ge2_func[] = { FUNC("ge2", 0, 84, 12) }; static struct ralink_pmx_group rt3883_pinmux_data[] = { GRP("i2c", i2c_func, 1, RT3883_GPIO_MODE_I2C), GRP("spi", spi_func, 1, RT3883_GPIO_MODE_SPI), GRP("uartf", uartf_func, RT3883_GPIO_MODE_UART0_MASK, RT3883_GPIO_MODE_UART0_SHIFT), GRP("uartlite", uartlite_func, 1, RT3883_GPIO_MODE_UART1), GRP("jtag", jtag_func, 1, RT3883_GPIO_MODE_JTAG), GRP("mdio", mdio_func, 1, RT3883_GPIO_MODE_MDIO), GRP("lna a", lna_a_func, 1, RT3883_GPIO_MODE_LNA_A), GRP("lna g", lna_g_func, 1, RT3883_GPIO_MODE_LNA_G), GRP("pci", pci_func, RT3883_GPIO_MODE_PCI_MASK, RT3883_GPIO_MODE_PCI_SHIFT), GRP("ge1", ge1_func, 1, RT3883_GPIO_MODE_GE1), GRP("ge2", ge2_func, 1, RT3883_GPIO_MODE_GE2), { 0 } }; static int rt3883_pinctrl_probe(struct platform_device *pdev) { return ralink_pinctrl_init(pdev, rt3883_pinmux_data); } static const struct of_device_id rt3883_pinctrl_match[] = { { .compatible = "ralink,rt3883-pinctrl" }, {} }; MODULE_DEVICE_TABLE(of, rt3883_pinctrl_match); static struct platform_driver rt3883_pinctrl_driver = { .probe = rt3883_pinctrl_probe, .driver = { .name = "rt3883-pinctrl", .of_match_table = rt3883_pinctrl_match, }, }; static int __init rt3883_pinctrl_init(void) { return platform_driver_register(&rt3883_pinctrl_driver); } core_initcall_sync(rt3883_pinctrl_init);