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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | // SPDX-License-Identifier: GPL-2.0-only #include <asm/mach-ralink/ralink_regs.h> #include <asm/mach-ralink/rt305x.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/of.h> #include "pinmux.h" #define RT305X_GPIO_MODE_UART0_SHIFT 2 #define RT305X_GPIO_MODE_UART0_MASK 0x7 #define RT305X_GPIO_MODE_UART0(x) ((x) << RT305X_GPIO_MODE_UART0_SHIFT) #define RT305X_GPIO_MODE_UARTF 0 #define RT305X_GPIO_MODE_PCM_UARTF 1 #define RT305X_GPIO_MODE_PCM_I2S 2 #define RT305X_GPIO_MODE_I2S_UARTF 3 #define RT305X_GPIO_MODE_PCM_GPIO 4 #define RT305X_GPIO_MODE_GPIO_UARTF 5 #define RT305X_GPIO_MODE_GPIO_I2S 6 #define RT305X_GPIO_MODE_GPIO 7 #define RT305X_GPIO_MODE_I2C 0 #define RT305X_GPIO_MODE_SPI 1 #define RT305X_GPIO_MODE_UART1 5 #define RT305X_GPIO_MODE_JTAG 6 #define RT305X_GPIO_MODE_MDIO 7 #define RT305X_GPIO_MODE_SDRAM 8 #define RT305X_GPIO_MODE_RGMII 9 #define RT5350_GPIO_MODE_PHY_LED 14 #define RT5350_GPIO_MODE_SPI_CS1 21 #define RT3352_GPIO_MODE_LNA 18 #define RT3352_GPIO_MODE_PA 20 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 uartf_func[] = { FUNC("uartf", RT305X_GPIO_MODE_UARTF, 7, 8), FUNC("pcm uartf", RT305X_GPIO_MODE_PCM_UARTF, 7, 8), FUNC("pcm i2s", RT305X_GPIO_MODE_PCM_I2S, 7, 8), FUNC("i2s uartf", RT305X_GPIO_MODE_I2S_UARTF, 7, 8), FUNC("pcm gpio", RT305X_GPIO_MODE_PCM_GPIO, 11, 4), FUNC("gpio uartf", RT305X_GPIO_MODE_GPIO_UARTF, 7, 4), FUNC("gpio i2s", RT305X_GPIO_MODE_GPIO_I2S, 7, 4), }; static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; 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 rt5350_led_func[] = { FUNC("led", 0, 22, 5) }; static struct rt2880_pmx_func rt5350_cs1_func[] = { FUNC("spi_cs1", 0, 27, 1), FUNC("wdg_cs1", 1, 27, 1), }; static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) }; static struct rt2880_pmx_func rt3352_rgmii_func[] = { FUNC("rgmii", 0, 24, 12) }; static struct rt2880_pmx_func rgmii_func[] = { FUNC("rgmii", 0, 40, 12) }; static struct rt2880_pmx_func rt3352_lna_func[] = { FUNC("lna", 0, 36, 2) }; static struct rt2880_pmx_func rt3352_pa_func[] = { FUNC("pa", 0, 38, 2) }; static struct rt2880_pmx_func rt3352_led_func[] = { FUNC("led", 0, 40, 5) }; static struct rt2880_pmx_func rt3352_cs1_func[] = { FUNC("spi_cs1", 0, 45, 1), FUNC("wdg_cs1", 1, 45, 1), }; static struct rt2880_pmx_group rt3050_pinmux_data[] = { GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, RT305X_GPIO_MODE_UART0_SHIFT), GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO), GRP("rgmii", rgmii_func, 1, RT305X_GPIO_MODE_RGMII), GRP("sdram", sdram_func, 1, RT305X_GPIO_MODE_SDRAM), { 0 } }; static struct rt2880_pmx_group rt3352_pinmux_data[] = { GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, RT305X_GPIO_MODE_UART0_SHIFT), GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO), GRP("rgmii", rt3352_rgmii_func, 1, RT305X_GPIO_MODE_RGMII), GRP("lna", rt3352_lna_func, 1, RT3352_GPIO_MODE_LNA), GRP("pa", rt3352_pa_func, 1, RT3352_GPIO_MODE_PA), GRP("led", rt3352_led_func, 1, RT5350_GPIO_MODE_PHY_LED), GRP("spi_cs1", rt3352_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1), { 0 } }; static struct rt2880_pmx_group rt5350_pinmux_data[] = { GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, RT305X_GPIO_MODE_UART0_SHIFT), GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), GRP("led", rt5350_led_func, 1, RT5350_GPIO_MODE_PHY_LED), GRP("spi_cs1", rt5350_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1), { 0 } }; static int rt305x_pinmux_probe(struct platform_device *pdev) { if (soc_is_rt5350()) return rt2880_pinmux_init(pdev, rt5350_pinmux_data); else if (soc_is_rt305x() || soc_is_rt3350()) return rt2880_pinmux_init(pdev, rt3050_pinmux_data); else if (soc_is_rt3352()) return rt2880_pinmux_init(pdev, rt3352_pinmux_data); else return -EINVAL; } static const struct of_device_id rt305x_pinmux_match[] = { { .compatible = "ralink,rt2880-pinmux" }, {} }; MODULE_DEVICE_TABLE(of, rt305x_pinmux_match); static struct platform_driver rt305x_pinmux_driver = { .probe = rt305x_pinmux_probe, .driver = { .name = "rt2880-pinmux", .of_match_table = rt305x_pinmux_match, }, }; static int __init rt305x_pinmux_init(void) { return platform_driver_register(&rt305x_pinmux_driver); } core_initcall_sync(rt305x_pinmux_init); |