1 /*
2 * Allwinner A31 SoCs special pins pinctrl driver.
3 *
4 * Copyright (C) 2014 Boris Brezillon
5 * Boris Brezillon <boris.brezillon@free-electrons.com>
6 *
7 * Copyright (C) 2014 Maxime Ripard
8 * Maxime Ripard <maxime.ripard@free-electrons.com>
9 *
10 * This file is licensed under the terms of the GNU General Public
11 * License version 2. This program is licensed "as is" without any
12 * warranty of any kind, whether express or implied.
13 */
14
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/of.h>
18 #include <linux/of_device.h>
19 #include <linux/pinctrl/pinctrl.h>
20
21 #include "pinctrl-sunxi.h"
22
23 static const struct sunxi_desc_pin sun6i_a31_r_pins[] = {
24 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
25 SUNXI_FUNCTION(0x0, "gpio_in"),
26 SUNXI_FUNCTION(0x1, "gpio_out"),
27 SUNXI_FUNCTION(0x2, "s_i2c"), /* SCK */
28 SUNXI_FUNCTION(0x3, "s_p2wi")), /* SCK */
29 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
30 SUNXI_FUNCTION(0x0, "gpio_in"),
31 SUNXI_FUNCTION(0x1, "gpio_out"),
32 SUNXI_FUNCTION(0x2, "s_i2c"), /* SDA */
33 SUNXI_FUNCTION(0x3, "s_p2wi")), /* SDA */
34 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
35 SUNXI_FUNCTION(0x0, "gpio_in"),
36 SUNXI_FUNCTION(0x1, "gpio_out"),
37 SUNXI_FUNCTION(0x2, "s_uart")), /* TX */
38 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
39 SUNXI_FUNCTION(0x0, "gpio_in"),
40 SUNXI_FUNCTION(0x1, "gpio_out"),
41 SUNXI_FUNCTION(0x2, "s_uart")), /* RX */
42 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
43 SUNXI_FUNCTION(0x0, "gpio_in"),
44 SUNXI_FUNCTION(0x1, "gpio_out"),
45 SUNXI_FUNCTION(0x2, "s_ir")), /* RX */
46 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
47 SUNXI_FUNCTION(0x0, "gpio_in"),
48 SUNXI_FUNCTION(0x1, "gpio_out"),
49 SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 0), /* PL_EINT0 */
50 SUNXI_FUNCTION(0x3, "s_jtag")), /* MS */
51 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
52 SUNXI_FUNCTION(0x0, "gpio_in"),
53 SUNXI_FUNCTION(0x1, "gpio_out"),
54 SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 1), /* PL_EINT1 */
55 SUNXI_FUNCTION(0x3, "s_jtag")), /* CK */
56 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
57 SUNXI_FUNCTION(0x0, "gpio_in"),
58 SUNXI_FUNCTION(0x1, "gpio_out"),
59 SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 2), /* PL_EINT2 */
60 SUNXI_FUNCTION(0x3, "s_jtag")), /* DO */
61 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
62 SUNXI_FUNCTION(0x0, "gpio_in"),
63 SUNXI_FUNCTION(0x1, "gpio_out"),
64 SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 3), /* PL_EINT3 */
65 SUNXI_FUNCTION(0x3, "s_jtag")), /* DI */
66 /* Hole */
67 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
68 SUNXI_FUNCTION(0x0, "gpio_in"),
69 SUNXI_FUNCTION(0x1, "gpio_out"),
70 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 0)), /* PM_EINT0 */
71 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
72 SUNXI_FUNCTION(0x0, "gpio_in"),
73 SUNXI_FUNCTION(0x1, "gpio_out"),
74 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 1)), /* PM_EINT1 */
75 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
76 SUNXI_FUNCTION(0x0, "gpio_in"),
77 SUNXI_FUNCTION(0x1, "gpio_out"),
78 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 2), /* PM_EINT2 */
79 SUNXI_FUNCTION(0x3, "1wire")),
80 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
81 SUNXI_FUNCTION(0x0, "gpio_in"),
82 SUNXI_FUNCTION(0x1, "gpio_out"),
83 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 3)), /* PM_EINT3 */
84 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
85 SUNXI_FUNCTION(0x0, "gpio_in"),
86 SUNXI_FUNCTION(0x1, "gpio_out"),
87 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 4)), /* PM_EINT4 */
88 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 5),
89 SUNXI_FUNCTION(0x0, "gpio_in"),
90 SUNXI_FUNCTION(0x1, "gpio_out"),
91 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 5)), /* PM_EINT5 */
92 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 6),
93 SUNXI_FUNCTION(0x0, "gpio_in"),
94 SUNXI_FUNCTION(0x1, "gpio_out"),
95 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 6)), /* PM_EINT6 */
96 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 7),
97 SUNXI_FUNCTION(0x0, "gpio_in"),
98 SUNXI_FUNCTION(0x1, "gpio_out"),
99 SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 7), /* PM_EINT7 */
100 SUNXI_FUNCTION(0x3, "rtc")), /* CLKO */
101 };
102
103 static const struct sunxi_pinctrl_desc sun6i_a31_r_pinctrl_data = {
104 .pins = sun6i_a31_r_pins,
105 .npins = ARRAY_SIZE(sun6i_a31_r_pins),
106 .pin_base = PL_BASE,
107 .irq_banks = 2,
108 .disable_strict_mode = true,
109 };
110
sun6i_a31_r_pinctrl_probe(struct platform_device * pdev)111 static int sun6i_a31_r_pinctrl_probe(struct platform_device *pdev)
112 {
113 return sunxi_pinctrl_init(pdev, &sun6i_a31_r_pinctrl_data);
114 }
115
116 static const struct of_device_id sun6i_a31_r_pinctrl_match[] = {
117 { .compatible = "allwinner,sun6i-a31-r-pinctrl", },
118 {}
119 };
120
121 static struct platform_driver sun6i_a31_r_pinctrl_driver = {
122 .probe = sun6i_a31_r_pinctrl_probe,
123 .driver = {
124 .name = "sun6i-a31-r-pinctrl",
125 .of_match_table = sun6i_a31_r_pinctrl_match,
126 },
127 };
128 builtin_platform_driver(sun6i_a31_r_pinctrl_driver);
129
