| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Allwinner H616 R_PIO pin controller driver |
| * |
| * Copyright (C) 2020 Arm Ltd. |
| * Based on former work, which is: |
| * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io> |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/of.h> |
| #include <linux/of_device.h> |
| #include <linux/pinctrl/pinctrl.h> |
| #include <linux/reset.h> |
| |
| #include "pinctrl-sunxi.h" |
| |
| static const struct sunxi_desc_pin sun50i_h616_r_pins[] = { |
| SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), |
| SUNXI_FUNCTION(0x0, "gpio_in"), |
| SUNXI_FUNCTION(0x1, "gpio_out"), |
| SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */ |
| SUNXI_FUNCTION(0x3, "s_i2c")), /* SCK */ |
| SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), |
| SUNXI_FUNCTION(0x0, "gpio_in"), |
| SUNXI_FUNCTION(0x1, "gpio_out"), |
| SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */ |
| SUNXI_FUNCTION(0x3, "s_i2c")), /* SDA */ |
| }; |
| |
| static const struct sunxi_pinctrl_desc sun50i_h616_r_pinctrl_data = { |
| .pins = sun50i_h616_r_pins, |
| .npins = ARRAY_SIZE(sun50i_h616_r_pins), |
| .pin_base = PL_BASE, |
| }; |
| |
| static int sun50i_h616_r_pinctrl_probe(struct platform_device *pdev) |
| { |
| return sunxi_pinctrl_init(pdev, |
| &sun50i_h616_r_pinctrl_data); |
| } |
| |
| static const struct of_device_id sun50i_h616_r_pinctrl_match[] = { |
| { .compatible = "allwinner,sun50i-h616-r-pinctrl", }, |
| {} |
| }; |
| |
| static struct platform_driver sun50i_h616_r_pinctrl_driver = { |
| .probe = sun50i_h616_r_pinctrl_probe, |
| .driver = { |
| .name = "sun50i-h616-r-pinctrl", |
| .of_match_table = sun50i_h616_r_pinctrl_match, |
| }, |
| }; |
| builtin_platform_driver(sun50i_h616_r_pinctrl_driver); |