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 28 #include "pinctrl-sunxi.h" 29 30 static const struct sunxi_desc_pin sun50i_a64_r_pins[] = { 31 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), 32 SUNXI_FUNCTION(0x0, "gpio_in"), 33 SUNXI_FUNCTION(0x1, "gpio_out"), 34 SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */ 35 SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */ 36 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* PL_EINT0 */ 37 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), 38 SUNXI_FUNCTION(0x0, "gpio_in"), 39 SUNXI_FUNCTION(0x1, "gpio_out"), 40 SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */ 41 SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */ 42 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* PL_EINT1 */ 43 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2), 44 SUNXI_FUNCTION(0x0, "gpio_in"), 45 SUNXI_FUNCTION(0x1, "gpio_out"), 46 SUNXI_FUNCTION(0x2, "s_uart"), /* TX */ 47 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* PL_EINT2 */ 48 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3), 49 SUNXI_FUNCTION(0x0, "gpio_in"), 50 SUNXI_FUNCTION(0x1, "gpio_out"), 51 SUNXI_FUNCTION(0x2, "s_uart"), /* RX */ 52 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* PL_EINT3 */ 53 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4), 54 SUNXI_FUNCTION(0x0, "gpio_in"), 55 SUNXI_FUNCTION(0x1, "gpio_out"), 56 SUNXI_FUNCTION(0x2, "s_jtag"), /* MS */ 57 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* PL_EINT4 */ 58 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5), 59 SUNXI_FUNCTION(0x0, "gpio_in"), 60 SUNXI_FUNCTION(0x1, "gpio_out"), 61 SUNXI_FUNCTION(0x2, "s_jtag"), /* CK */ 62 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* PL_EINT5 */ 63 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6), 64 SUNXI_FUNCTION(0x0, "gpio_in"), 65 SUNXI_FUNCTION(0x1, "gpio_out"), 66 SUNXI_FUNCTION(0x2, "s_jtag"), /* DO */ 67 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* PL_EINT6 */ 68 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7), 69 SUNXI_FUNCTION(0x0, "gpio_in"), 70 SUNXI_FUNCTION(0x1, "gpio_out"), 71 SUNXI_FUNCTION(0x2, "s_jtag"), /* DI */ 72 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* PL_EINT7 */ 73 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8), 74 SUNXI_FUNCTION(0x0, "gpio_in"), 75 SUNXI_FUNCTION(0x1, "gpio_out"), 76 SUNXI_FUNCTION(0x2, "s_i2c"), /* SCK */ 77 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* PL_EINT8 */ 78 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9), 79 SUNXI_FUNCTION(0x0, "gpio_in"), 80 SUNXI_FUNCTION(0x1, "gpio_out"), 81 SUNXI_FUNCTION(0x2, "s_i2c"), /* SDA */ 82 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* PL_EINT9 */ 83 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10), 84 SUNXI_FUNCTION(0x0, "gpio_in"), 85 SUNXI_FUNCTION(0x1, "gpio_out"), 86 SUNXI_FUNCTION(0x2, "s_pwm"), 87 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */ 88 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11), 89 SUNXI_FUNCTION(0x0, "gpio_in"), 90 SUNXI_FUNCTION(0x1, "gpio_out"), 91 SUNXI_FUNCTION(0x2, "s_cir_rx"), 92 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* PL_EINT11 */ 93 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12), 94 SUNXI_FUNCTION(0x0, "gpio_in"), 95 SUNXI_FUNCTION(0x1, "gpio_out"), 96 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)), /* PL_EINT12 */ 97 }; 98 99 static const struct sunxi_pinctrl_desc sun50i_a64_r_pinctrl_data = { 100 .pins = sun50i_a64_r_pins, 101 .npins = ARRAY_SIZE(sun50i_a64_r_pins), 102 .pin_base = PL_BASE, 103 .irq_banks = 1, 104 }; 105 106 static int sun50i_a64_r_pinctrl_probe(struct platform_device *pdev) 107 { 108 return sunxi_pinctrl_init(pdev, 109 &sun50i_a64_r_pinctrl_data); 110 } 111 112 static const struct of_device_id sun50i_a64_r_pinctrl_match[] = { 113 { .compatible = "allwinner,sun50i-a64-r-pinctrl", }, 114 {} 115 }; 116 117 static struct platform_driver sun50i_a64_r_pinctrl_driver = { 118 .probe = sun50i_a64_r_pinctrl_probe, 119 .driver = { 120 .name = "sun50i-a64-r-pinctrl", 121 .of_match_table = sun50i_a64_r_pinctrl_match, 122 }, 123 }; 124 builtin_platform_driver(sun50i_a64_r_pinctrl_driver); 125