1 /* 2 * Allwinner A23 SoCs special pins pinctrl driver. 3 * 4 * Copyright (C) 2014 Chen-Yu Tsai 5 * Chen-Yu Tsai <wens@csie.org> 6 * 7 * Copyright (C) 2014 Boris Brezillon 8 * Boris Brezillon <boris.brezillon@free-electrons.com> 9 * 10 * Copyright (C) 2014 Maxime Ripard 11 * Maxime Ripard <maxime.ripard@free-electrons.com> 12 * 13 * This file is licensed under the terms of the GNU General Public 14 * License version 2. This program is licensed "as is" without any 15 * warranty of any kind, whether express or implied. 16 */ 17 18 #include <linux/init.h> 19 #include <linux/platform_device.h> 20 #include <linux/of.h> 21 #include <linux/of_device.h> 22 #include <linux/pinctrl/pinctrl.h> 23 24 #include "pinctrl-sunxi.h" 25 26 static const struct sunxi_desc_pin sun8i_a23_r_pins[] = { 27 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), 28 SUNXI_FUNCTION(0x0, "gpio_in"), 29 SUNXI_FUNCTION(0x1, "gpio_out"), 30 SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */ 31 SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */ 32 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 0)), /* PL_EINT0 */ 33 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), 34 SUNXI_FUNCTION(0x0, "gpio_in"), 35 SUNXI_FUNCTION(0x1, "gpio_out"), 36 SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */ 37 SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */ 38 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 1)), /* PL_EINT1 */ 39 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2), 40 SUNXI_FUNCTION(0x0, "gpio_in"), 41 SUNXI_FUNCTION(0x1, "gpio_out"), 42 SUNXI_FUNCTION(0x2, "s_uart"), /* TX */ 43 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 2)), /* PL_EINT2 */ 44 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3), 45 SUNXI_FUNCTION(0x0, "gpio_in"), 46 SUNXI_FUNCTION(0x1, "gpio_out"), 47 SUNXI_FUNCTION(0x2, "s_uart"), /* RX */ 48 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 3)), /* PL_EINT3 */ 49 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4), 50 SUNXI_FUNCTION(0x0, "gpio_in"), 51 SUNXI_FUNCTION(0x1, "gpio_out"), 52 SUNXI_FUNCTION(0x3, "s_jtag"), /* MS */ 53 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 4)), /* PL_EINT4 */ 54 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5), 55 SUNXI_FUNCTION(0x0, "gpio_in"), 56 SUNXI_FUNCTION(0x1, "gpio_out"), 57 SUNXI_FUNCTION(0x3, "s_jtag"), /* CK */ 58 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 5)), /* PL_EINT5 */ 59 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6), 60 SUNXI_FUNCTION(0x0, "gpio_in"), 61 SUNXI_FUNCTION(0x1, "gpio_out"), 62 SUNXI_FUNCTION(0x3, "s_jtag"), /* DO */ 63 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 6)), /* PL_EINT6 */ 64 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7), 65 SUNXI_FUNCTION(0x0, "gpio_in"), 66 SUNXI_FUNCTION(0x1, "gpio_out"), 67 SUNXI_FUNCTION(0x3, "s_jtag"), /* DI */ 68 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 7)), /* PL_EINT7 */ 69 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8), 70 SUNXI_FUNCTION(0x0, "gpio_in"), 71 SUNXI_FUNCTION(0x1, "gpio_out"), 72 SUNXI_FUNCTION(0x2, "s_twi"), /* SCK */ 73 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 8)), /* PL_EINT8 */ 74 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9), 75 SUNXI_FUNCTION(0x0, "gpio_in"), 76 SUNXI_FUNCTION(0x1, "gpio_out"), 77 SUNXI_FUNCTION(0x2, "s_twi"), /* SDA */ 78 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 9)), /* PL_EINT9 */ 79 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10), 80 SUNXI_FUNCTION(0x0, "gpio_in"), 81 SUNXI_FUNCTION(0x1, "gpio_out"), 82 SUNXI_FUNCTION(0x2, "s_pwm"), 83 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 10)), /* PL_EINT10 */ 84 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11), 85 SUNXI_FUNCTION(0x0, "gpio_in"), 86 SUNXI_FUNCTION(0x1, "gpio_out"), 87 SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 11)), /* PL_EINT11 */ 88 }; 89 90 static const struct sunxi_pinctrl_desc sun8i_a23_r_pinctrl_data = { 91 .pins = sun8i_a23_r_pins, 92 .npins = ARRAY_SIZE(sun8i_a23_r_pins), 93 .pin_base = PL_BASE, 94 .irq_banks = 1, 95 .disable_strict_mode = true, 96 }; 97 98 static int sun8i_a23_r_pinctrl_probe(struct platform_device *pdev) 99 { 100 return sunxi_pinctrl_init(pdev, &sun8i_a23_r_pinctrl_data); 101 } 102 103 static const struct of_device_id sun8i_a23_r_pinctrl_match[] = { 104 { .compatible = "allwinner,sun8i-a23-r-pinctrl", }, 105 {} 106 }; 107 108 static struct platform_driver sun8i_a23_r_pinctrl_driver = { 109 .probe = sun8i_a23_r_pinctrl_probe, 110 .driver = { 111 .name = "sun8i-a23-r-pinctrl", 112 .of_match_table = sun8i_a23_r_pinctrl_match, 113 }, 114 }; 115 builtin_platform_driver(sun8i_a23_r_pinctrl_driver); 116