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Release 4.7 drivers/pinctrl/sunxi/pinctrl-sun8i-a23-r.c

/*
 * Allwinner A23 SoCs special pins pinctrl driver.
 *
 * Copyright (C) 2014 Chen-Yu Tsai
 * Chen-Yu Tsai <wens@csie.org>
 *
 * Copyright (C) 2014 Boris Brezillon
 * Boris Brezillon <boris.brezillon@free-electrons.com>
 *
 * Copyright (C) 2014 Maxime Ripard
 * Maxime Ripard <maxime.ripard@free-electrons.com>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/module.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 sun8i_a23_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_twi"),		/* SCK */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 0)),	/* PL_EINT0 */
	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_twi"),		/* SDA */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 1)),	/* PL_EINT1 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "s_uart"),	/* TX */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 2)),	/* PL_EINT2 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "s_uart"),	/* RX */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 3)),	/* PL_EINT3 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x3, "s_jtag"),	/* MS */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 4)),	/* PL_EINT4 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x3, "s_jtag"),	/* CK */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 5)),	/* PL_EINT5 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x3, "s_jtag"),	/* DO */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 6)),	/* PL_EINT6 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x3, "s_jtag"),	/* DI */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 7)),	/* PL_EINT7 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "s_twi"),		/* SCK */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 8)),	/* PL_EINT8 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "s_twi"),		/* SDA */
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 9)),	/* PL_EINT9 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "s_pwm"),
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 10)),	/* PL_EINT10 */
	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 11)),	/* PL_EINT11 */
};


static const struct sunxi_pinctrl_desc sun8i_a23_r_pinctrl_data = {
	.pins = sun8i_a23_r_pins,
	.npins = ARRAY_SIZE(sun8i_a23_r_pins),
	.pin_base = PL_BASE,
	.irq_banks = 1,
};


static int sun8i_a23_r_pinctrl_probe(struct platform_device *pdev) { struct reset_control *rstc; int ret; rstc = devm_reset_control_get(&pdev->dev, NULL); if (IS_ERR(rstc)) { dev_err(&pdev->dev, "Reset controller missing\n"); return PTR_ERR(rstc); } ret = reset_control_deassert(rstc); if (ret) return ret; ret = sunxi_pinctrl_init(pdev, &sun8i_a23_r_pinctrl_data); if (ret) reset_control_assert(rstc); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
chen-yu tsaichen-yu tsai92100.00%1100.00%
Total92100.00%1100.00%

static const struct of_device_id sun8i_a23_r_pinctrl_match[] = { { .compatible = "allwinner,sun8i-a23-r-pinctrl", }, {} }; MODULE_DEVICE_TABLE(of, sun8i_a23_r_pinctrl_match); static struct platform_driver sun8i_a23_r_pinctrl_driver = { .probe = sun8i_a23_r_pinctrl_probe, .driver = { .name = "sun8i-a23-r-pinctrl", .of_match_table = sun8i_a23_r_pinctrl_match, }, }; module_platform_driver(sun8i_a23_r_pinctrl_driver); MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>"); MODULE_AUTHOR("Boris Brezillon <boris.brezillon@free-electrons.com"); MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com"); MODULE_DESCRIPTION("Allwinner A23 R_PIO pinctrl driver"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
chen-yu tsaichen-yu tsai74799.87%150.00%
fabian frederickfabian frederick10.13%150.00%
Total748100.00%2100.00%
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