Commit 561c1cf1 authored by Andre Przywara's avatar Andre Przywara Committed by Linus Walleij
Browse files

pinctrl: sunxi: Add support for the Allwinner H616-R pin controller 



There are only two pins left now, used to connect to the PMIC via I2C.

Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
Acked-by: default avatarMaxime Ripard <mripard@kernel.org>
Reviewed-by: default avatarJernej Skrabec <jernej.skrabec@siol.net>
Link: https://lore.kernel.org/r/20210118020848.11721-6-andre.przywara@arm.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 25adc294

drivers/pinctrl/sunxi/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -124,4 +124,9 @@ config PINCTRL_SUN50I_H616 
	default ARM64 && ARCH_SUNXI

	select PINCTRL_SUNXI



config PINCTRL_SUN50I_H616_R

	bool "Support for the Allwinner H616 R-PIO"

	default ARM64 && ARCH_SUNXI

	select PINCTRL_SUNXI



endif

drivers/pinctrl/sunxi/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -24,5 +24,6 @@ obj-$(CONFIG_PINCTRL_SUN50I_H5) += pinctrl-sun50i-h5.o 
obj-$(CONFIG_PINCTRL_SUN50I_H6)		+= pinctrl-sun50i-h6.o

obj-$(CONFIG_PINCTRL_SUN50I_H6_R)	+= pinctrl-sun50i-h6-r.o

obj-$(CONFIG_PINCTRL_SUN50I_H616)	+= pinctrl-sun50i-h616.o

obj-$(CONFIG_PINCTRL_SUN50I_H616_R)	+= pinctrl-sun50i-h616-r.o

obj-$(CONFIG_PINCTRL_SUN9I_A80)		+= pinctrl-sun9i-a80.o

obj-$(CONFIG_PINCTRL_SUN9I_A80_R)	+= pinctrl-sun9i-a80-r.o

drivers/pinctrl/sunxi/pinctrl-sun50i-h616-r.c

0 → 100644
+56 −0
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// 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);