1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2020 Yangtao Li <frank@allwinnertech.com>
4 *
5 * Based on:
6 * huangshuosheng <huangshuosheng@allwinnertech.com>
7 */
8
9#include <linux/module.h>
10#include <linux/of.h>
11#include <linux/pinctrl/pinctrl.h>
12#include <linux/platform_device.h>
13
14#include "pinctrl-sunxi.h"
15
16static const struct sunxi_desc_pin a100_r_pins[] = {
17	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
18		  SUNXI_FUNCTION(0x0, "gpio_in"),
19		  SUNXI_FUNCTION(0x1, "gpio_out"),
20		  SUNXI_FUNCTION(0x2, "s_i2c0"),	/* SCK */
21		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),
22	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
23		  SUNXI_FUNCTION(0x0, "gpio_in"),
24		  SUNXI_FUNCTION(0x1, "gpio_out"),
25		  SUNXI_FUNCTION(0x2, "s_i2c0"),	/* SDA */
26		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),
27	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
28		  SUNXI_FUNCTION(0x0, "gpio_in"),
29		  SUNXI_FUNCTION(0x1, "gpio_out"),
30		  SUNXI_FUNCTION(0x2, "s_uart0"),	/* TX */
31		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),
32	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
33		  SUNXI_FUNCTION(0x0, "gpio_in"),
34		  SUNXI_FUNCTION(0x1, "gpio_out"),
35		  SUNXI_FUNCTION(0x2, "s_uart0"),	/* RX */
36		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),
37	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
38		  SUNXI_FUNCTION(0x0, "gpio_in"),
39		  SUNXI_FUNCTION(0x1, "gpio_out"),
40		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* MS */
41		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),
42	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
43		  SUNXI_FUNCTION(0x0, "gpio_in"),
44		  SUNXI_FUNCTION(0x1, "gpio_out"),
45		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* CK */
46		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),
47	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
48		  SUNXI_FUNCTION(0x0, "gpio_in"),
49		  SUNXI_FUNCTION(0x1, "gpio_out"),
50		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DO */
51		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),
52	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
53		  SUNXI_FUNCTION(0x0, "gpio_in"),
54		  SUNXI_FUNCTION(0x1, "gpio_out"),
55		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DI */
56		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),
57	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
58		  SUNXI_FUNCTION(0x0, "gpio_in"),
59		  SUNXI_FUNCTION(0x1, "gpio_out"),
60		  SUNXI_FUNCTION(0x2, "s_i2c1"),	/* SCK */
61		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),
62	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
63		  SUNXI_FUNCTION(0x0, "gpio_in"),
64		  SUNXI_FUNCTION(0x1, "gpio_out"),
65		  SUNXI_FUNCTION(0x2, "s_i2c1"),	/* SDA */
66		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),
67	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
68		  SUNXI_FUNCTION(0x0, "gpio_in"),
69		  SUNXI_FUNCTION(0x1, "gpio_out"),
70		  SUNXI_FUNCTION(0x2, "s_pwm"),
71		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)),
72	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
73		  SUNXI_FUNCTION(0x0, "gpio_in"),
74		  SUNXI_FUNCTION(0x1, "gpio_out"),
75		  SUNXI_FUNCTION(0x3, "s_cir"),		/* IN */
76		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)),
77};
78
79static const struct sunxi_pinctrl_desc a100_r_pinctrl_data = {
80	.pins = a100_r_pins,
81	.npins = ARRAY_SIZE(a100_r_pins),
82	.pin_base = PL_BASE,
83	.irq_banks = 1,
84	.io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_CTL,
85};
86
87static int a100_r_pinctrl_probe(struct platform_device *pdev)
88{
89	return sunxi_pinctrl_init(pdev, &a100_r_pinctrl_data);
90}
91
92static const struct of_device_id a100_r_pinctrl_match[] = {
93	{ .compatible = "allwinner,sun50i-a100-r-pinctrl", },
94	{}
95};
96MODULE_DEVICE_TABLE(of, a100_r_pinctrl_match);
97
98static struct platform_driver a100_r_pinctrl_driver = {
99	.probe	= a100_r_pinctrl_probe,
100	.driver	= {
101		.name		= "sun50i-a100-r-pinctrl",
102		.of_match_table	= a100_r_pinctrl_match,
103	},
104};
105module_platform_driver(a100_r_pinctrl_driver);
106