1 /* 2 * Allwinner A31 SoCs special pins pinctrl driver. 3 * 4 * Copyright (C) 2014 Boris Brezillon 5 * Boris Brezillon <boris.brezillon@free-electrons.com> 6 * 7 * Copyright (C) 2014 Maxime Ripard 8 * Maxime Ripard <maxime.ripard@free-electrons.com> 9 * 10 * This file is licensed under the terms of the GNU General Public 11 * License version 2. This program is licensed "as is" without any 12 * warranty of any kind, whether express or implied. 13 */ 14 15 #include <linux/init.h> 16 #include <linux/platform_device.h> 17 #include <linux/of.h> 18 #include <linux/pinctrl/pinctrl.h> 19 20 #include "pinctrl-sunxi.h" 21 22 static const struct sunxi_desc_pin sun6i_a31_r_pins[] = { 23 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), 24 SUNXI_FUNCTION(0x0, "gpio_in"), 25 SUNXI_FUNCTION(0x1, "gpio_out"), 26 SUNXI_FUNCTION(0x2, "s_i2c"), /* SCK */ 27 SUNXI_FUNCTION(0x3, "s_p2wi")), /* SCK */ 28 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), 29 SUNXI_FUNCTION(0x0, "gpio_in"), 30 SUNXI_FUNCTION(0x1, "gpio_out"), 31 SUNXI_FUNCTION(0x2, "s_i2c"), /* SDA */ 32 SUNXI_FUNCTION(0x3, "s_p2wi")), /* SDA */ 33 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2), 34 SUNXI_FUNCTION(0x0, "gpio_in"), 35 SUNXI_FUNCTION(0x1, "gpio_out"), 36 SUNXI_FUNCTION(0x2, "s_uart")), /* TX */ 37 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3), 38 SUNXI_FUNCTION(0x0, "gpio_in"), 39 SUNXI_FUNCTION(0x1, "gpio_out"), 40 SUNXI_FUNCTION(0x2, "s_uart")), /* RX */ 41 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4), 42 SUNXI_FUNCTION(0x0, "gpio_in"), 43 SUNXI_FUNCTION(0x1, "gpio_out"), 44 SUNXI_FUNCTION(0x2, "s_ir")), /* RX */ 45 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5), 46 SUNXI_FUNCTION(0x0, "gpio_in"), 47 SUNXI_FUNCTION(0x1, "gpio_out"), 48 SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 0), /* PL_EINT0 */ 49 SUNXI_FUNCTION(0x3, "s_jtag")), /* MS */ 50 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6), 51 SUNXI_FUNCTION(0x0, "gpio_in"), 52 SUNXI_FUNCTION(0x1, "gpio_out"), 53 SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 1), /* PL_EINT1 */ 54 SUNXI_FUNCTION(0x3, "s_jtag")), /* CK */ 55 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7), 56 SUNXI_FUNCTION(0x0, "gpio_in"), 57 SUNXI_FUNCTION(0x1, "gpio_out"), 58 SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 2), /* PL_EINT2 */ 59 SUNXI_FUNCTION(0x3, "s_jtag")), /* DO */ 60 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8), 61 SUNXI_FUNCTION(0x0, "gpio_in"), 62 SUNXI_FUNCTION(0x1, "gpio_out"), 63 SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 3), /* PL_EINT3 */ 64 SUNXI_FUNCTION(0x3, "s_jtag")), /* DI */ 65 /* Hole */ 66 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0), 67 SUNXI_FUNCTION(0x0, "gpio_in"), 68 SUNXI_FUNCTION(0x1, "gpio_out"), 69 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 0)), /* PM_EINT0 */ 70 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1), 71 SUNXI_FUNCTION(0x0, "gpio_in"), 72 SUNXI_FUNCTION(0x1, "gpio_out"), 73 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 1)), /* PM_EINT1 */ 74 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2), 75 SUNXI_FUNCTION(0x0, "gpio_in"), 76 SUNXI_FUNCTION(0x1, "gpio_out"), 77 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 2), /* PM_EINT2 */ 78 SUNXI_FUNCTION(0x3, "1wire")), 79 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3), 80 SUNXI_FUNCTION(0x0, "gpio_in"), 81 SUNXI_FUNCTION(0x1, "gpio_out"), 82 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 3)), /* PM_EINT3 */ 83 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4), 84 SUNXI_FUNCTION(0x0, "gpio_in"), 85 SUNXI_FUNCTION(0x1, "gpio_out"), 86 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 4)), /* PM_EINT4 */ 87 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 5), 88 SUNXI_FUNCTION(0x0, "gpio_in"), 89 SUNXI_FUNCTION(0x1, "gpio_out"), 90 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 5)), /* PM_EINT5 */ 91 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 6), 92 SUNXI_FUNCTION(0x0, "gpio_in"), 93 SUNXI_FUNCTION(0x1, "gpio_out"), 94 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 6)), /* PM_EINT6 */ 95 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 7), 96 SUNXI_FUNCTION(0x0, "gpio_in"), 97 SUNXI_FUNCTION(0x1, "gpio_out"), 98 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 7), /* PM_EINT7 */ 99 SUNXI_FUNCTION(0x3, "rtc")), /* CLKO */ 100 }; 101 102 static const struct sunxi_pinctrl_desc sun6i_a31_r_pinctrl_data = { 103 .pins = sun6i_a31_r_pins, 104 .npins = ARRAY_SIZE(sun6i_a31_r_pins), 105 .pin_base = PL_BASE, 106 .irq_banks = 2, 107 .disable_strict_mode = true, 108 }; 109 110 static int sun6i_a31_r_pinctrl_probe(struct platform_device *pdev) 111 { 112 return sunxi_pinctrl_init(pdev, &sun6i_a31_r_pinctrl_data); 113 } 114 115 static const struct of_device_id sun6i_a31_r_pinctrl_match[] = { 116 { .compatible = "allwinner,sun6i-a31-r-pinctrl", }, 117 {} 118 }; 119 120 static struct platform_driver sun6i_a31_r_pinctrl_driver = { 121 .probe = sun6i_a31_r_pinctrl_probe, 122 .driver = { 123 .name = "sun6i-a31-r-pinctrl", 124 .of_match_table = sun6i_a31_r_pinctrl_match, 125 }, 126 }; 127 builtin_platform_driver(sun6i_a31_r_pinctrl_driver); 128