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
34 static 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
103 static 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
sun8i_a83t_r_pinctrl_probe(struct platform_device * pdev)110 static 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
116 static const struct of_device_id sun8i_a83t_r_pinctrl_match[] = {
117 { .compatible = "allwinner,sun8i-a83t-r-pinctrl", },
118 {}
119 };
120
121 static 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 };
128 builtin_platform_driver(sun8i_a83t_r_pinctrl_driver);
129