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/of_device.h>
28#include <linux/pinctrl/pinctrl.h>
29#include <linux/platform_device.h>
30#include <linux/reset.h>
31
32#include "pinctrl-sunxi.h"
33
34static const struct sunxi_desc_pin sun8i_a83t_r_pins[] = {
35	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
36		  SUNXI_FUNCTION(0x0, "gpio_in"),
37		  SUNXI_FUNCTION(0x1, "gpio_out"),
38		  SUNXI_FUNCTION(0x2, "s_rsb"),		/* SCK */
39		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SCK */
40		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),	/* PL_EINT0 */
41	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
42		  SUNXI_FUNCTION(0x0, "gpio_in"),
43		  SUNXI_FUNCTION(0x1, "gpio_out"),
44		  SUNXI_FUNCTION(0x2, "s_rsb"),		/* SDA */
45		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SDA */
46		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),	/* PL_EINT1 */
47	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
48		  SUNXI_FUNCTION(0x0, "gpio_in"),
49		  SUNXI_FUNCTION(0x1, "gpio_out"),
50		  SUNXI_FUNCTION(0x2, "s_uart"),	/* TX */
51		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),	/* PL_EINT2 */
52	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
53		  SUNXI_FUNCTION(0x0, "gpio_in"),
54		  SUNXI_FUNCTION(0x1, "gpio_out"),
55		  SUNXI_FUNCTION(0x2, "s_uart"),	/* RX */
56		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),	/* PL_EINT3 */
57	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
58		  SUNXI_FUNCTION(0x0, "gpio_in"),
59		  SUNXI_FUNCTION(0x1, "gpio_out"),
60		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* MS */
61		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),	/* PL_EINT4 */
62	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
63		  SUNXI_FUNCTION(0x0, "gpio_in"),
64		  SUNXI_FUNCTION(0x1, "gpio_out"),
65		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* CK */
66		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),	/* PL_EINT5 */
67	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
68		  SUNXI_FUNCTION(0x0, "gpio_in"),
69		  SUNXI_FUNCTION(0x1, "gpio_out"),
70		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DO */
71		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),	/* PL_EINT6 */
72	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
73		  SUNXI_FUNCTION(0x0, "gpio_in"),
74		  SUNXI_FUNCTION(0x1, "gpio_out"),
75		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DI */
76		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),	/* PL_EINT7 */
77	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
78		  SUNXI_FUNCTION(0x0, "gpio_in"),
79		  SUNXI_FUNCTION(0x1, "gpio_out"),
80		  SUNXI_FUNCTION(0x2, "s_i2c"),		/* SCK */
81		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),	/* PL_EINT8 */
82	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
83		  SUNXI_FUNCTION(0x0, "gpio_in"),
84		  SUNXI_FUNCTION(0x1, "gpio_out"),
85		  SUNXI_FUNCTION(0x2, "s_i2c"),		/* SDA */
86		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),	/* PL_EINT9 */
87	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
88		  SUNXI_FUNCTION(0x0, "gpio_in"),
89		  SUNXI_FUNCTION(0x1, "gpio_out"),
90		  SUNXI_FUNCTION(0x2, "s_pwm"),
91		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)),	/* PL_EINT10 */
92	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
93		  SUNXI_FUNCTION(0x0, "gpio_in"),
94		  SUNXI_FUNCTION(0x1, "gpio_out"),
95		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)),	/* PL_EINT11 */
96	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12),
97		  SUNXI_FUNCTION(0x0, "gpio_in"),
98		  SUNXI_FUNCTION(0x1, "gpio_out"),
99		  SUNXI_FUNCTION(0x2, "s_cir_rx"),
100		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)),	/* PL_EINT12 */
101};
102
103static const struct sunxi_pinctrl_desc sun8i_a83t_r_pinctrl_data = {
104	.pins = sun8i_a83t_r_pins,
105	.npins = ARRAY_SIZE(sun8i_a83t_r_pins),
106	.pin_base = PL_BASE,
107	.irq_banks = 1,
108};
109
110static int sun8i_a83t_r_pinctrl_probe(struct platform_device *pdev)
111{
112	return sunxi_pinctrl_init(pdev,
113				  &sun8i_a83t_r_pinctrl_data);
114}
115
116static const struct of_device_id sun8i_a83t_r_pinctrl_match[] = {
117	{ .compatible = "allwinner,sun8i-a83t-r-pinctrl", },
118	{}
119};
120
121static struct platform_driver sun8i_a83t_r_pinctrl_driver = {
122	.probe	= sun8i_a83t_r_pinctrl_probe,
123	.driver	= {
124		.name		= "sun8i-a83t-r-pinctrl",
125		.of_match_table	= sun8i_a83t_r_pinctrl_match,
126	},
127};
128builtin_platform_driver(sun8i_a83t_r_pinctrl_driver);
129