1/*
2 * Allwinner A64 SoCs special pins pinctrl driver.
3 *
4 * Based on pinctrl-sun8i-a23-r.c
5 *
6 * Copyright (C) 2016 Icenowy Zheng
7 * Icenowy Zheng <icenowy@aosc.xyz>
8 *
9 * Copyright (C) 2014 Chen-Yu Tsai
10 * Chen-Yu Tsai <wens@csie.org>
11 *
12 * Copyright (C) 2014 Boris Brezillon
13 * Boris Brezillon <boris.brezillon@free-electrons.com>
14 *
15 * Copyright (C) 2014 Maxime Ripard
16 * Maxime Ripard <maxime.ripard@free-electrons.com>
17 *
18 * This file is licensed under the terms of the GNU General Public
19 * License version 2.  This program is licensed "as is" without any
20 * warranty of any kind, whether express or implied.
21 */
22
23#include <linux/of.h>
24#include <linux/pinctrl/pinctrl.h>
25#include <linux/platform_device.h>
26
27#include "pinctrl-sunxi.h"
28
29static const struct sunxi_desc_pin sun50i_a64_r_pins[] = {
30	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
31		  SUNXI_FUNCTION(0x0, "gpio_in"),
32		  SUNXI_FUNCTION(0x1, "gpio_out"),
33		  SUNXI_FUNCTION(0x2, "s_rsb"),		/* SCK */
34		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SCK */
35		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),	/* PL_EINT0 */
36	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
37		  SUNXI_FUNCTION(0x0, "gpio_in"),
38		  SUNXI_FUNCTION(0x1, "gpio_out"),
39		  SUNXI_FUNCTION(0x2, "s_rsb"),		/* SDA */
40		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SDA */
41		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),	/* PL_EINT1 */
42	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
43		  SUNXI_FUNCTION(0x0, "gpio_in"),
44		  SUNXI_FUNCTION(0x1, "gpio_out"),
45		  SUNXI_FUNCTION(0x2, "s_uart"),	/* TX */
46		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),	/* PL_EINT2 */
47	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
48		  SUNXI_FUNCTION(0x0, "gpio_in"),
49		  SUNXI_FUNCTION(0x1, "gpio_out"),
50		  SUNXI_FUNCTION(0x2, "s_uart"),	/* RX */
51		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),	/* PL_EINT3 */
52	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
53		  SUNXI_FUNCTION(0x0, "gpio_in"),
54		  SUNXI_FUNCTION(0x1, "gpio_out"),
55		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* MS */
56		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),	/* PL_EINT4 */
57	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
58		  SUNXI_FUNCTION(0x0, "gpio_in"),
59		  SUNXI_FUNCTION(0x1, "gpio_out"),
60		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* CK */
61		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),	/* PL_EINT5 */
62	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
63		  SUNXI_FUNCTION(0x0, "gpio_in"),
64		  SUNXI_FUNCTION(0x1, "gpio_out"),
65		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DO */
66		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),	/* PL_EINT6 */
67	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
68		  SUNXI_FUNCTION(0x0, "gpio_in"),
69		  SUNXI_FUNCTION(0x1, "gpio_out"),
70		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DI */
71		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),	/* PL_EINT7 */
72	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
73		  SUNXI_FUNCTION(0x0, "gpio_in"),
74		  SUNXI_FUNCTION(0x1, "gpio_out"),
75		  SUNXI_FUNCTION(0x2, "s_i2c"),		/* SCK */
76		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),	/* PL_EINT8 */
77	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
78		  SUNXI_FUNCTION(0x0, "gpio_in"),
79		  SUNXI_FUNCTION(0x1, "gpio_out"),
80		  SUNXI_FUNCTION(0x2, "s_i2c"),		/* SDA */
81		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),	/* PL_EINT9 */
82	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
83		  SUNXI_FUNCTION(0x0, "gpio_in"),
84		  SUNXI_FUNCTION(0x1, "gpio_out"),
85		  SUNXI_FUNCTION(0x2, "s_pwm"),
86		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)),	/* PL_EINT10 */
87	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
88		  SUNXI_FUNCTION(0x0, "gpio_in"),
89		  SUNXI_FUNCTION(0x1, "gpio_out"),
90		  SUNXI_FUNCTION(0x2, "s_cir_rx"),
91		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)),	/* PL_EINT11 */
92	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12),
93		  SUNXI_FUNCTION(0x0, "gpio_in"),
94		  SUNXI_FUNCTION(0x1, "gpio_out"),
95		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)),	/* PL_EINT12 */
96};
97
98static const struct sunxi_pinctrl_desc sun50i_a64_r_pinctrl_data = {
99	.pins = sun50i_a64_r_pins,
100	.npins = ARRAY_SIZE(sun50i_a64_r_pins),
101	.pin_base = PL_BASE,
102	.irq_banks = 1,
103};
104
105static int sun50i_a64_r_pinctrl_probe(struct platform_device *pdev)
106{
107	return sunxi_pinctrl_init(pdev,
108				  &sun50i_a64_r_pinctrl_data);
109}
110
111static const struct of_device_id sun50i_a64_r_pinctrl_match[] = {
112	{ .compatible = "allwinner,sun50i-a64-r-pinctrl", },
113	{}
114};
115
116static struct platform_driver sun50i_a64_r_pinctrl_driver = {
117	.probe	= sun50i_a64_r_pinctrl_probe,
118	.driver	= {
119		.name		= "sun50i-a64-r-pinctrl",
120		.of_match_table	= sun50i_a64_r_pinctrl_match,
121	},
122};
123builtin_platform_driver(sun50i_a64_r_pinctrl_driver);
124