1/*
2 * Allwinner A83T SoCs special pins pinctrl driver.
3 *
4 * Copyright (C) 2017 Chen-Yu Tsai
5 * Chen-Yu Tsai <wens@csie.org>
6 *
7 * Based on pinctrl-sun50i-a64-r.c
8 *
9 * Copyright (C) 2016 Icenowy Zheng
10 * Icenowy Zheng <icenowy@aosc.xyz>
11 *
12 * Copyright (C) 2014 Chen-Yu Tsai
13 * Chen-Yu Tsai <wens@csie.org>
14 *
15 * Copyright (C) 2014 Boris Brezillon
16 * Boris Brezillon <boris.brezillon@free-electrons.com>
17 *
18 * Copyright (C) 2014 Maxime Ripard
19 * Maxime Ripard <maxime.ripard@free-electrons.com>
20 *
21 * This file is licensed under the terms of the GNU General Public
22 * License version 2.  This program is licensed "as is" without any
23 * warranty of any kind, whether express or implied.
24 */
25
26#include <linux/of.h>
27#include <linux/pinctrl/pinctrl.h>
28#include <linux/platform_device.h>
29
30#include "pinctrl-sunxi.h"
31
32static const struct sunxi_desc_pin sun8i_a83t_r_pins[] = {
33	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
34		  SUNXI_FUNCTION(0x0, "gpio_in"),
35		  SUNXI_FUNCTION(0x1, "gpio_out"),
36		  SUNXI_FUNCTION(0x2, "s_rsb"),		/* SCK */
37		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SCK */
38		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),	/* PL_EINT0 */
39	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
40		  SUNXI_FUNCTION(0x0, "gpio_in"),
41		  SUNXI_FUNCTION(0x1, "gpio_out"),
42		  SUNXI_FUNCTION(0x2, "s_rsb"),		/* SDA */
43		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SDA */
44		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),	/* PL_EINT1 */
45	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
46		  SUNXI_FUNCTION(0x0, "gpio_in"),
47		  SUNXI_FUNCTION(0x1, "gpio_out"),
48		  SUNXI_FUNCTION(0x2, "s_uart"),	/* TX */
49		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),	/* PL_EINT2 */
50	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
51		  SUNXI_FUNCTION(0x0, "gpio_in"),
52		  SUNXI_FUNCTION(0x1, "gpio_out"),
53		  SUNXI_FUNCTION(0x2, "s_uart"),	/* RX */
54		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),	/* PL_EINT3 */
55	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
56		  SUNXI_FUNCTION(0x0, "gpio_in"),
57		  SUNXI_FUNCTION(0x1, "gpio_out"),
58		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* MS */
59		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),	/* PL_EINT4 */
60	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
61		  SUNXI_FUNCTION(0x0, "gpio_in"),
62		  SUNXI_FUNCTION(0x1, "gpio_out"),
63		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* CK */
64		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),	/* PL_EINT5 */
65	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
66		  SUNXI_FUNCTION(0x0, "gpio_in"),
67		  SUNXI_FUNCTION(0x1, "gpio_out"),
68		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DO */
69		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),	/* PL_EINT6 */
70	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
71		  SUNXI_FUNCTION(0x0, "gpio_in"),
72		  SUNXI_FUNCTION(0x1, "gpio_out"),
73		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DI */
74		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),	/* PL_EINT7 */
75	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
76		  SUNXI_FUNCTION(0x0, "gpio_in"),
77		  SUNXI_FUNCTION(0x1, "gpio_out"),
78		  SUNXI_FUNCTION(0x2, "s_i2c"),		/* SCK */
79		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),	/* PL_EINT8 */
80	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
81		  SUNXI_FUNCTION(0x0, "gpio_in"),
82		  SUNXI_FUNCTION(0x1, "gpio_out"),
83		  SUNXI_FUNCTION(0x2, "s_i2c"),		/* SDA */
84		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),	/* PL_EINT9 */
85	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
86		  SUNXI_FUNCTION(0x0, "gpio_in"),
87		  SUNXI_FUNCTION(0x1, "gpio_out"),
88		  SUNXI_FUNCTION(0x2, "s_pwm"),
89		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)),	/* PL_EINT10 */
90	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
91		  SUNXI_FUNCTION(0x0, "gpio_in"),
92		  SUNXI_FUNCTION(0x1, "gpio_out"),
93		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)),	/* PL_EINT11 */
94	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12),
95		  SUNXI_FUNCTION(0x0, "gpio_in"),
96		  SUNXI_FUNCTION(0x1, "gpio_out"),
97		  SUNXI_FUNCTION(0x2, "s_cir_rx"),
98		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)),	/* PL_EINT12 */
99};
100
101static const struct sunxi_pinctrl_desc sun8i_a83t_r_pinctrl_data = {
102	.pins = sun8i_a83t_r_pins,
103	.npins = ARRAY_SIZE(sun8i_a83t_r_pins),
104	.pin_base = PL_BASE,
105	.irq_banks = 1,
106};
107
108static int sun8i_a83t_r_pinctrl_probe(struct platform_device *pdev)
109{
110	return sunxi_pinctrl_init(pdev,
111				  &sun8i_a83t_r_pinctrl_data);
112}
113
114static const struct of_device_id sun8i_a83t_r_pinctrl_match[] = {
115	{ .compatible = "allwinner,sun8i-a83t-r-pinctrl", },
116	{}
117};
118
119static struct platform_driver sun8i_a83t_r_pinctrl_driver = {
120	.probe	= sun8i_a83t_r_pinctrl_probe,
121	.driver	= {
122		.name		= "sun8i-a83t-r-pinctrl",
123		.of_match_table	= sun8i_a83t_r_pinctrl_match,
124	},
125};
126builtin_platform_driver(sun8i_a83t_r_pinctrl_driver);
127