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);
115