1 /* 2 * Allwinner A64 SoCs special pins pinctrl driver. 3 * 4 * Based on pinctrl-sun8i-a23-r.c 5 * 6 * Copyright (C) 2016 Icenowy Zheng 7 * Icenowy Zheng <icenowy@aosc.xyz> 8 * 9 * Copyright (C) 2014 Chen-Yu Tsai 10 * Chen-Yu Tsai <wens@csie.org> 11 * 12 * Copyright (C) 2014 Boris Brezillon 13 * Boris Brezillon <boris.brezillon@free-electrons.com> 14 * 15 * Copyright (C) 2014 Maxime Ripard 16 * Maxime Ripard <maxime.ripard@free-electrons.com> 17 * 18 * This file is licensed under the terms of the GNU General Public 19 * License version 2. This program is licensed "as is" without any 20 * warranty of any kind, whether express or implied. 21 */ 22 23 #include <linux/of.h> 24 #include <linux/of_device.h> 25 #include <linux/pinctrl/pinctrl.h> 26 #include <linux/platform_device.h> 27 #include <linux/reset.h> 28 29 #include "pinctrl-sunxi.h" 30 31 static const struct sunxi_desc_pin sun50i_a64_r_pins[] = { 32 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), 33 SUNXI_FUNCTION(0x0, "gpio_in"), 34 SUNXI_FUNCTION(0x1, "gpio_out"), 35 SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */ 36 SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */ 37 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* PL_EINT0 */ 38 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), 39 SUNXI_FUNCTION(0x0, "gpio_in"), 40 SUNXI_FUNCTION(0x1, "gpio_out"), 41 SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */ 42 SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */ 43 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* PL_EINT1 */ 44 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2), 45 SUNXI_FUNCTION(0x0, "gpio_in"), 46 SUNXI_FUNCTION(0x1, "gpio_out"), 47 SUNXI_FUNCTION(0x2, "s_uart"), /* TX */ 48 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* PL_EINT2 */ 49 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3), 50 SUNXI_FUNCTION(0x0, "gpio_in"), 51 SUNXI_FUNCTION(0x1, "gpio_out"), 52 SUNXI_FUNCTION(0x2, "s_uart"), /* RX */ 53 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* PL_EINT3 */ 54 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4), 55 SUNXI_FUNCTION(0x0, "gpio_in"), 56 SUNXI_FUNCTION(0x1, "gpio_out"), 57 SUNXI_FUNCTION(0x2, "s_jtag"), /* MS */ 58 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* PL_EINT4 */ 59 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5), 60 SUNXI_FUNCTION(0x0, "gpio_in"), 61 SUNXI_FUNCTION(0x1, "gpio_out"), 62 SUNXI_FUNCTION(0x2, "s_jtag"), /* CK */ 63 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* PL_EINT5 */ 64 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6), 65 SUNXI_FUNCTION(0x0, "gpio_in"), 66 SUNXI_FUNCTION(0x1, "gpio_out"), 67 SUNXI_FUNCTION(0x2, "s_jtag"), /* DO */ 68 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* PL_EINT6 */ 69 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7), 70 SUNXI_FUNCTION(0x0, "gpio_in"), 71 SUNXI_FUNCTION(0x1, "gpio_out"), 72 SUNXI_FUNCTION(0x2, "s_jtag"), /* DI */ 73 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* PL_EINT7 */ 74 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8), 75 SUNXI_FUNCTION(0x0, "gpio_in"), 76 SUNXI_FUNCTION(0x1, "gpio_out"), 77 SUNXI_FUNCTION(0x2, "s_i2c"), /* SCK */ 78 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* PL_EINT8 */ 79 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9), 80 SUNXI_FUNCTION(0x0, "gpio_in"), 81 SUNXI_FUNCTION(0x1, "gpio_out"), 82 SUNXI_FUNCTION(0x2, "s_i2c"), /* SDA */ 83 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* PL_EINT9 */ 84 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10), 85 SUNXI_FUNCTION(0x0, "gpio_in"), 86 SUNXI_FUNCTION(0x1, "gpio_out"), 87 SUNXI_FUNCTION(0x2, "s_pwm"), 88 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */ 89 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11), 90 SUNXI_FUNCTION(0x0, "gpio_in"), 91 SUNXI_FUNCTION(0x1, "gpio_out"), 92 SUNXI_FUNCTION(0x2, "s_cir_rx"), 93 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* PL_EINT11 */ 94 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12), 95 SUNXI_FUNCTION(0x0, "gpio_in"), 96 SUNXI_FUNCTION(0x1, "gpio_out"), 97 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)), /* PL_EINT12 */ 98 }; 99 100 static const struct sunxi_pinctrl_desc sun50i_a64_r_pinctrl_data = { 101 .pins = sun50i_a64_r_pins, 102 .npins = ARRAY_SIZE(sun50i_a64_r_pins), 103 .pin_base = PL_BASE, 104 .irq_banks = 1, 105 }; 106 107 static int sun50i_a64_r_pinctrl_probe(struct platform_device *pdev) 108 { 109 return sunxi_pinctrl_init(pdev, 110 &sun50i_a64_r_pinctrl_data); 111 } 112 113 static const struct of_device_id sun50i_a64_r_pinctrl_match[] = { 114 { .compatible = "allwinner,sun50i-a64-r-pinctrl", }, 115 {} 116 }; 117 118 static struct platform_driver sun50i_a64_r_pinctrl_driver = { 119 .probe = sun50i_a64_r_pinctrl_probe, 120 .driver = { 121 .name = "sun50i-a64-r-pinctrl", 122 .of_match_table = sun50i_a64_r_pinctrl_match, 123 }, 124 }; 125 builtin_platform_driver(sun50i_a64_r_pinctrl_driver); 126