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
16 static 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
79 static 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
a100_r_pinctrl_probe(struct platform_device * pdev)87 static int a100_r_pinctrl_probe(struct platform_device *pdev)
88 {
89 return sunxi_pinctrl_init(pdev, &a100_r_pinctrl_data);
90 }
91
92 static const struct of_device_id a100_r_pinctrl_match[] = {
93 { .compatible = "allwinner,sun50i-a100-r-pinctrl", },
94 {}
95 };
96 MODULE_DEVICE_TABLE(of, a100_r_pinctrl_match);
97
98 static 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 };
105 module_platform_driver(a100_r_pinctrl_driver);
106