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/of_device.h>
25 #include <linux/pinctrl/pinctrl.h>
26 #include <linux/platform_device.h>
27 #include <linux/reset.h>
28
29 #include "pinctrl-sunxi.h"
30
31 static const struct sunxi_desc_pin sun50i_a64_r_pins[] = {
32 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
33 SUNXI_FUNCTION(0x0, "gpio_in"),
34 SUNXI_FUNCTION(0x1, "gpio_out"),
35 SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */
36 SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */
37 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* PL_EINT0 */
38 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
39 SUNXI_FUNCTION(0x0, "gpio_in"),
40 SUNXI_FUNCTION(0x1, "gpio_out"),
41 SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */
42 SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */
43 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* PL_EINT1 */
44 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
45 SUNXI_FUNCTION(0x0, "gpio_in"),
46 SUNXI_FUNCTION(0x1, "gpio_out"),
47 SUNXI_FUNCTION(0x2, "s_uart"), /* TX */
48 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* PL_EINT2 */
49 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
50 SUNXI_FUNCTION(0x0, "gpio_in"),
51 SUNXI_FUNCTION(0x1, "gpio_out"),
52 SUNXI_FUNCTION(0x2, "s_uart"), /* RX */
53 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* PL_EINT3 */
54 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
55 SUNXI_FUNCTION(0x0, "gpio_in"),
56 SUNXI_FUNCTION(0x1, "gpio_out"),
57 SUNXI_FUNCTION(0x2, "s_jtag"), /* MS */
58 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* PL_EINT4 */
59 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
60 SUNXI_FUNCTION(0x0, "gpio_in"),
61 SUNXI_FUNCTION(0x1, "gpio_out"),
62 SUNXI_FUNCTION(0x2, "s_jtag"), /* CK */
63 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* PL_EINT5 */
64 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
65 SUNXI_FUNCTION(0x0, "gpio_in"),
66 SUNXI_FUNCTION(0x1, "gpio_out"),
67 SUNXI_FUNCTION(0x2, "s_jtag"), /* DO */
68 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* PL_EINT6 */
69 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
70 SUNXI_FUNCTION(0x0, "gpio_in"),
71 SUNXI_FUNCTION(0x1, "gpio_out"),
72 SUNXI_FUNCTION(0x2, "s_jtag"), /* DI */
73 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* PL_EINT7 */
74 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
75 SUNXI_FUNCTION(0x0, "gpio_in"),
76 SUNXI_FUNCTION(0x1, "gpio_out"),
77 SUNXI_FUNCTION(0x2, "s_i2c"), /* SCK */
78 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* PL_EINT8 */
79 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
80 SUNXI_FUNCTION(0x0, "gpio_in"),
81 SUNXI_FUNCTION(0x1, "gpio_out"),
82 SUNXI_FUNCTION(0x2, "s_i2c"), /* SDA */
83 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* PL_EINT9 */
84 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
85 SUNXI_FUNCTION(0x0, "gpio_in"),
86 SUNXI_FUNCTION(0x1, "gpio_out"),
87 SUNXI_FUNCTION(0x2, "s_pwm"),
88 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
89 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
90 SUNXI_FUNCTION(0x0, "gpio_in"),
91 SUNXI_FUNCTION(0x1, "gpio_out"),
92 SUNXI_FUNCTION(0x2, "s_cir_rx"),
93 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* PL_EINT11 */
94 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12),
95 SUNXI_FUNCTION(0x0, "gpio_in"),
96 SUNXI_FUNCTION(0x1, "gpio_out"),
97 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)), /* PL_EINT12 */
98 };
99
100 static const struct sunxi_pinctrl_desc sun50i_a64_r_pinctrl_data = {
101 .pins = sun50i_a64_r_pins,
102 .npins = ARRAY_SIZE(sun50i_a64_r_pins),
103 .pin_base = PL_BASE,
104 .irq_banks = 1,
105 };
106
sun50i_a64_r_pinctrl_probe(struct platform_device * pdev)107 static int sun50i_a64_r_pinctrl_probe(struct platform_device *pdev)
108 {
109 return sunxi_pinctrl_init(pdev,
110 &sun50i_a64_r_pinctrl_data);
111 }
112
113 static const struct of_device_id sun50i_a64_r_pinctrl_match[] = {
114 { .compatible = "allwinner,sun50i-a64-r-pinctrl", },
115 {}
116 };
117
118 static struct platform_driver sun50i_a64_r_pinctrl_driver = {
119 .probe = sun50i_a64_r_pinctrl_probe,
120 .driver = {
121 .name = "sun50i-a64-r-pinctrl",
122 .of_match_table = sun50i_a64_r_pinctrl_match,
123 },
124 };
125 builtin_platform_driver(sun50i_a64_r_pinctrl_driver);
126