1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Allwinner H616 R_PIO pin controller driver 4 * 5 * Copyright (C) 2020 Arm Ltd. 6 * Based on former work, which is: 7 * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io> 8 */ 9 10 #include <linux/init.h> 11 #include <linux/platform_device.h> 12 #include <linux/of.h> 13 #include <linux/pinctrl/pinctrl.h> 14 15 #include "pinctrl-sunxi.h" 16 17 static const struct sunxi_desc_pin sun50i_h616_r_pins[] = { 18 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), 19 SUNXI_FUNCTION(0x0, "gpio_in"), 20 SUNXI_FUNCTION(0x1, "gpio_out"), 21 SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */ 22 SUNXI_FUNCTION(0x3, "s_i2c")), /* SCK */ 23 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), 24 SUNXI_FUNCTION(0x0, "gpio_in"), 25 SUNXI_FUNCTION(0x1, "gpio_out"), 26 SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */ 27 SUNXI_FUNCTION(0x3, "s_i2c")), /* SDA */ 28 }; 29 30 static const struct sunxi_pinctrl_desc sun50i_h616_r_pinctrl_data = { 31 .pins = sun50i_h616_r_pins, 32 .npins = ARRAY_SIZE(sun50i_h616_r_pins), 33 .pin_base = PL_BASE, 34 }; 35 36 static int sun50i_h616_r_pinctrl_probe(struct platform_device *pdev) 37 { 38 return sunxi_pinctrl_init(pdev, 39 &sun50i_h616_r_pinctrl_data); 40 } 41 42 static const struct of_device_id sun50i_h616_r_pinctrl_match[] = { 43 { .compatible = "allwinner,sun50i-h616-r-pinctrl", }, 44 {} 45 }; 46 47 static struct platform_driver sun50i_h616_r_pinctrl_driver = { 48 .probe = sun50i_h616_r_pinctrl_probe, 49 .driver = { 50 .name = "sun50i-h616-r-pinctrl", 51 .of_match_table = sun50i_h616_r_pinctrl_match, 52 }, 53 }; 54 builtin_platform_driver(sun50i_h616_r_pinctrl_driver); 55