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