pinctrl-sun8i-a23-r.c

  1/*
  2 * Allwinner A23 SoCs special pins pinctrl driver.
  3 *
  4 * Copyright (C) 2014 Chen-Yu Tsai
  5 * Chen-Yu Tsai <wens@csie.org>
  6 *
  7 * Copyright (C) 2014 Boris Brezillon
  8 * Boris Brezillon <boris.brezillon@free-electrons.com>
  9 *
 10 * Copyright (C) 2014 Maxime Ripard
 11 * Maxime Ripard <maxime.ripard@free-electrons.com>
 12 *
 13 * This file is licensed under the terms of the GNU General Public
 14 * License version 2.  This program is licensed "as is" without any
 15 * warranty of any kind, whether express or implied.
 16 */
 17
 18#include <linux/init.h>
 19#include <linux/platform_device.h>
 20#include <linux/of.h>
 21#include <linux/pinctrl/pinctrl.h>
 22
 23#include "pinctrl-sunxi.h"
 24
 25static const struct sunxi_desc_pin sun8i_a23_r_pins[] = {
 26	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
 27		  SUNXI_FUNCTION(0x0, "gpio_in"),
 28		  SUNXI_FUNCTION(0x1, "gpio_out"),
 29		  SUNXI_FUNCTION(0x2, "s_rsb"),		/* SCK */
 30		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SCK */
 31		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 0)),	/* PL_EINT0 */
 32	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
 33		  SUNXI_FUNCTION(0x0, "gpio_in"),
 34		  SUNXI_FUNCTION(0x1, "gpio_out"),
 35		  SUNXI_FUNCTION(0x2, "s_rsb"),		/* SDA */
 36		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SDA */
 37		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 1)),	/* PL_EINT1 */
 38	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
 39		  SUNXI_FUNCTION(0x0, "gpio_in"),
 40		  SUNXI_FUNCTION(0x1, "gpio_out"),
 41		  SUNXI_FUNCTION(0x2, "s_uart"),	/* TX */
 42		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 2)),	/* PL_EINT2 */
 43	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
 44		  SUNXI_FUNCTION(0x0, "gpio_in"),
 45		  SUNXI_FUNCTION(0x1, "gpio_out"),
 46		  SUNXI_FUNCTION(0x2, "s_uart"),	/* RX */
 47		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 3)),	/* PL_EINT3 */
 48	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
 49		  SUNXI_FUNCTION(0x0, "gpio_in"),
 50		  SUNXI_FUNCTION(0x1, "gpio_out"),
 51		  SUNXI_FUNCTION(0x3, "s_jtag"),	/* MS */
 52		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 4)),	/* PL_EINT4 */
 53	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
 54		  SUNXI_FUNCTION(0x0, "gpio_in"),
 55		  SUNXI_FUNCTION(0x1, "gpio_out"),
 56		  SUNXI_FUNCTION(0x3, "s_jtag"),	/* CK */
 57		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 5)),	/* PL_EINT5 */
 58	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
 59		  SUNXI_FUNCTION(0x0, "gpio_in"),
 60		  SUNXI_FUNCTION(0x1, "gpio_out"),
 61		  SUNXI_FUNCTION(0x3, "s_jtag"),	/* DO */
 62		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 6)),	/* PL_EINT6 */
 63	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
 64		  SUNXI_FUNCTION(0x0, "gpio_in"),
 65		  SUNXI_FUNCTION(0x1, "gpio_out"),
 66		  SUNXI_FUNCTION(0x3, "s_jtag"),	/* DI */
 67		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 7)),	/* PL_EINT7 */
 68	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
 69		  SUNXI_FUNCTION(0x0, "gpio_in"),
 70		  SUNXI_FUNCTION(0x1, "gpio_out"),
 71		  SUNXI_FUNCTION(0x2, "s_twi"),		/* SCK */
 72		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 8)),	/* PL_EINT8 */
 73	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
 74		  SUNXI_FUNCTION(0x0, "gpio_in"),
 75		  SUNXI_FUNCTION(0x1, "gpio_out"),
 76		  SUNXI_FUNCTION(0x2, "s_twi"),		/* SDA */
 77		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 9)),	/* PL_EINT9 */
 78	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
 79		  SUNXI_FUNCTION(0x0, "gpio_in"),
 80		  SUNXI_FUNCTION(0x1, "gpio_out"),
 81		  SUNXI_FUNCTION(0x2, "s_pwm"),
 82		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 10)),	/* PL_EINT10 */
 83	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
 84		  SUNXI_FUNCTION(0x0, "gpio_in"),
 85		  SUNXI_FUNCTION(0x1, "gpio_out"),
 86		  SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 11)),	/* PL_EINT11 */
 87};
 88
 89static const struct sunxi_pinctrl_desc sun8i_a23_r_pinctrl_data = {
 90	.pins = sun8i_a23_r_pins,
 91	.npins = ARRAY_SIZE(sun8i_a23_r_pins),
 92	.pin_base = PL_BASE,
 93	.irq_banks = 1,
 94	.disable_strict_mode = true,
 95};
 96
 97static int sun8i_a23_r_pinctrl_probe(struct platform_device *pdev)
 98{
 99	return sunxi_pinctrl_init(pdev, &sun8i_a23_r_pinctrl_data);
100}
101
102static const struct of_device_id sun8i_a23_r_pinctrl_match[] = {
103	{ .compatible = "allwinner,sun8i-a23-r-pinctrl", },
104	{}
105};
106
107static struct platform_driver sun8i_a23_r_pinctrl_driver = {
108	.probe	= sun8i_a23_r_pinctrl_probe,
109	.driver	= {
110		.name		= "sun8i-a23-r-pinctrl",
111		.of_match_table	= sun8i_a23_r_pinctrl_match,
112	},
113};
114builtin_platform_driver(sun8i_a23_r_pinctrl_driver);