1 /* 2 * Allwinner A83T SoCs special pins pinctrl driver. 3 * 4 * Copyright (C) 2017 Chen-Yu Tsai 5 * Chen-Yu Tsai <wens@csie.org> 6 * 7 * Based on pinctrl-sun50i-a64-r.c 8 * 9 * Copyright (C) 2016 Icenowy Zheng 10 * Icenowy Zheng <icenowy@aosc.xyz> 11 * 12 * Copyright (C) 2014 Chen-Yu Tsai 13 * Chen-Yu Tsai <wens@csie.org> 14 * 15 * Copyright (C) 2014 Boris Brezillon 16 * Boris Brezillon <boris.brezillon@free-electrons.com> 17 * 18 * Copyright (C) 2014 Maxime Ripard 19 * Maxime Ripard <maxime.ripard@free-electrons.com> 20 * 21 * This file is licensed under the terms of the GNU General Public 22 * License version 2. This program is licensed "as is" without any 23 * warranty of any kind, whether express or implied. 24 */ 25 26 #include <linux/of.h> 27 #include <linux/of_device.h> 28 #include <linux/pinctrl/pinctrl.h> 29 #include <linux/platform_device.h> 30 #include <linux/reset.h> 31 32 #include "pinctrl-sunxi.h" 33 34 static const struct sunxi_desc_pin sun8i_a83t_r_pins[] = { 35 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), 36 SUNXI_FUNCTION(0x0, "gpio_in"), 37 SUNXI_FUNCTION(0x1, "gpio_out"), 38 SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */ 39 SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */ 40 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* PL_EINT0 */ 41 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), 42 SUNXI_FUNCTION(0x0, "gpio_in"), 43 SUNXI_FUNCTION(0x1, "gpio_out"), 44 SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */ 45 SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */ 46 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* PL_EINT1 */ 47 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2), 48 SUNXI_FUNCTION(0x0, "gpio_in"), 49 SUNXI_FUNCTION(0x1, "gpio_out"), 50 SUNXI_FUNCTION(0x2, "s_uart"), /* TX */ 51 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* PL_EINT2 */ 52 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3), 53 SUNXI_FUNCTION(0x0, "gpio_in"), 54 SUNXI_FUNCTION(0x1, "gpio_out"), 55 SUNXI_FUNCTION(0x2, "s_uart"), /* RX */ 56 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* PL_EINT3 */ 57 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4), 58 SUNXI_FUNCTION(0x0, "gpio_in"), 59 SUNXI_FUNCTION(0x1, "gpio_out"), 60 SUNXI_FUNCTION(0x2, "s_jtag"), /* MS */ 61 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* PL_EINT4 */ 62 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5), 63 SUNXI_FUNCTION(0x0, "gpio_in"), 64 SUNXI_FUNCTION(0x1, "gpio_out"), 65 SUNXI_FUNCTION(0x2, "s_jtag"), /* CK */ 66 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* PL_EINT5 */ 67 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6), 68 SUNXI_FUNCTION(0x0, "gpio_in"), 69 SUNXI_FUNCTION(0x1, "gpio_out"), 70 SUNXI_FUNCTION(0x2, "s_jtag"), /* DO */ 71 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* PL_EINT6 */ 72 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7), 73 SUNXI_FUNCTION(0x0, "gpio_in"), 74 SUNXI_FUNCTION(0x1, "gpio_out"), 75 SUNXI_FUNCTION(0x2, "s_jtag"), /* DI */ 76 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* PL_EINT7 */ 77 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8), 78 SUNXI_FUNCTION(0x0, "gpio_in"), 79 SUNXI_FUNCTION(0x1, "gpio_out"), 80 SUNXI_FUNCTION(0x2, "s_i2c"), /* SCK */ 81 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* PL_EINT8 */ 82 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9), 83 SUNXI_FUNCTION(0x0, "gpio_in"), 84 SUNXI_FUNCTION(0x1, "gpio_out"), 85 SUNXI_FUNCTION(0x2, "s_i2c"), /* SDA */ 86 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* PL_EINT9 */ 87 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10), 88 SUNXI_FUNCTION(0x0, "gpio_in"), 89 SUNXI_FUNCTION(0x1, "gpio_out"), 90 SUNXI_FUNCTION(0x2, "s_pwm"), 91 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */ 92 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11), 93 SUNXI_FUNCTION(0x0, "gpio_in"), 94 SUNXI_FUNCTION(0x1, "gpio_out"), 95 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* PL_EINT11 */ 96 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12), 97 SUNXI_FUNCTION(0x0, "gpio_in"), 98 SUNXI_FUNCTION(0x1, "gpio_out"), 99 SUNXI_FUNCTION(0x2, "s_cir_rx"), 100 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)), /* PL_EINT12 */ 101 }; 102 103 static const struct sunxi_pinctrl_desc sun8i_a83t_r_pinctrl_data = { 104 .pins = sun8i_a83t_r_pins, 105 .npins = ARRAY_SIZE(sun8i_a83t_r_pins), 106 .pin_base = PL_BASE, 107 .irq_banks = 1, 108 }; 109 110 static int sun8i_a83t_r_pinctrl_probe(struct platform_device *pdev) 111 { 112 return sunxi_pinctrl_init(pdev, 113 &sun8i_a83t_r_pinctrl_data); 114 } 115 116 static const struct of_device_id sun8i_a83t_r_pinctrl_match[] = { 117 { .compatible = "allwinner,sun8i-a83t-r-pinctrl", }, 118 {} 119 }; 120 121 static struct platform_driver sun8i_a83t_r_pinctrl_driver = { 122 .probe = sun8i_a83t_r_pinctrl_probe, 123 .driver = { 124 .name = "sun8i-a83t-r-pinctrl", 125 .of_match_table = sun8i_a83t_r_pinctrl_match, 126 }, 127 }; 128 builtin_platform_driver(sun8i_a83t_r_pinctrl_driver); 129