1 /*
2 * Allwinner A80 SoCs special pins pinctrl driver.
3 *
4 * Copyright (C) 2014 Maxime Ripard
5 * Maxime Ripard <maxime.ripard@free-electrons.com>
6 *
7 * This file is licensed under the terms of the GNU General Public
8 * License version 2. This program is licensed "as is" without any
9 * warranty of any kind, whether express or implied.
10 */
11
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/of.h>
15 #include <linux/pinctrl/pinctrl.h>
16
17 #include "pinctrl-sunxi.h"
18
19 static const struct sunxi_desc_pin sun9i_a80_r_pins[] = {
20 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
21 SUNXI_FUNCTION(0x0, "gpio_in"),
22 SUNXI_FUNCTION(0x1, "gpio_out"),
23 SUNXI_FUNCTION(0x3, "s_uart"), /* TX */
24 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* PL_EINT0 */
25 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
26 SUNXI_FUNCTION(0x0, "gpio_in"),
27 SUNXI_FUNCTION(0x1, "gpio_out"),
28 SUNXI_FUNCTION(0x3, "s_uart"), /* RX */
29 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* PL_EINT1 */
30 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
31 SUNXI_FUNCTION(0x0, "gpio_in"),
32 SUNXI_FUNCTION(0x1, "gpio_out"),
33 SUNXI_FUNCTION(0x3, "s_jtag"), /* TMS */
34 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* PL_EINT2 */
35 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
36 SUNXI_FUNCTION(0x0, "gpio_in"),
37 SUNXI_FUNCTION(0x1, "gpio_out"),
38 SUNXI_FUNCTION(0x3, "s_jtag"), /* TCK */
39 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* PL_EINT3 */
40 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
41 SUNXI_FUNCTION(0x0, "gpio_in"),
42 SUNXI_FUNCTION(0x1, "gpio_out"),
43 SUNXI_FUNCTION(0x3, "s_jtag"), /* TDO */
44 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* PL_EINT4 */
45 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
46 SUNXI_FUNCTION(0x0, "gpio_in"),
47 SUNXI_FUNCTION(0x1, "gpio_out"),
48 SUNXI_FUNCTION(0x3, "s_jtag"), /* TDI */
49 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* PL_EINT5 */
50 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
51 SUNXI_FUNCTION(0x0, "gpio_in"),
52 SUNXI_FUNCTION(0x1, "gpio_out"),
53 SUNXI_FUNCTION(0x3, "s_cir_rx"),
54 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* PL_EINT6 */
55 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
56 SUNXI_FUNCTION(0x0, "gpio_in"),
57 SUNXI_FUNCTION(0x1, "gpio_out"),
58 SUNXI_FUNCTION(0x3, "1wire"),
59 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* PL_EINT7 */
60 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
61 SUNXI_FUNCTION(0x0, "gpio_in"),
62 SUNXI_FUNCTION(0x1, "gpio_out"),
63 SUNXI_FUNCTION(0x2, "s_ps2"), /* SCK1 */
64 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* PL_EINT8 */
65 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
66 SUNXI_FUNCTION(0x0, "gpio_in"),
67 SUNXI_FUNCTION(0x1, "gpio_out"),
68 SUNXI_FUNCTION(0x2, "s_ps2"), /* SDA1 */
69 SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* PL_EINT9 */
70
71 /* Hole */
72 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
73 SUNXI_FUNCTION(0x0, "gpio_in"),
74 SUNXI_FUNCTION(0x1, "gpio_out"),
75 SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)), /* PM_EINT0 */
76 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
77 SUNXI_FUNCTION(0x0, "gpio_in"),
78 SUNXI_FUNCTION(0x1, "gpio_out"),
79 SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)), /* PM_EINT1 */
80 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
81 SUNXI_FUNCTION(0x0, "gpio_in"),
82 SUNXI_FUNCTION(0x1, "gpio_out"),
83 SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2)), /* PM_EINT2 */
84 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
85 SUNXI_FUNCTION(0x0, "gpio_in"),
86 SUNXI_FUNCTION(0x1, "gpio_out"),
87 SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)), /* PM_EINT3 */
88 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
89 SUNXI_FUNCTION(0x0, "gpio_in"),
90 SUNXI_FUNCTION(0x1, "gpio_out"),
91 SUNXI_FUNCTION(0x3, "s_i2s1"), /* LRCKR */
92 SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)), /* PM_EINT4 */
93
94 /* Hole */
95 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 8),
96 SUNXI_FUNCTION(0x0, "gpio_in"),
97 SUNXI_FUNCTION(0x1, "gpio_out"),
98 SUNXI_FUNCTION(0x3, "s_i2c1"), /* SCK */
99 SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 8)), /* PM_EINT8 */
100 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 9),
101 SUNXI_FUNCTION(0x0, "gpio_in"),
102 SUNXI_FUNCTION(0x1, "gpio_out"),
103 SUNXI_FUNCTION(0x3, "s_i2c1"), /* SDA */
104 SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 9)), /* PM_EINT9 */
105 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 10),
106 SUNXI_FUNCTION(0x0, "gpio_in"),
107 SUNXI_FUNCTION(0x1, "gpio_out"),
108 SUNXI_FUNCTION(0x2, "s_i2s0"), /* MCLK */
109 SUNXI_FUNCTION(0x3, "s_i2s1")), /* MCLK */
110 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 11),
111 SUNXI_FUNCTION(0x0, "gpio_in"),
112 SUNXI_FUNCTION(0x1, "gpio_out"),
113 SUNXI_FUNCTION(0x2, "s_i2s0"), /* BCLK */
114 SUNXI_FUNCTION(0x3, "s_i2s1")), /* BCLK */
115 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 12),
116 SUNXI_FUNCTION(0x0, "gpio_in"),
117 SUNXI_FUNCTION(0x1, "gpio_out"),
118 SUNXI_FUNCTION(0x2, "s_i2s0"), /* LRCK */
119 SUNXI_FUNCTION(0x3, "s_i2s1")), /* LRCK */
120 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 13),
121 SUNXI_FUNCTION(0x0, "gpio_in"),
122 SUNXI_FUNCTION(0x1, "gpio_out"),
123 SUNXI_FUNCTION(0x2, "s_i2s0"), /* DIN */
124 SUNXI_FUNCTION(0x3, "s_i2s1")), /* DIN */
125 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 14),
126 SUNXI_FUNCTION(0x0, "gpio_in"),
127 SUNXI_FUNCTION(0x1, "gpio_out"),
128 SUNXI_FUNCTION(0x2, "s_i2s0"), /* DOUT */
129 SUNXI_FUNCTION(0x3, "s_i2s1")), /* DOUT */
130 SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 15),
131 SUNXI_FUNCTION(0x0, "gpio_in"),
132 SUNXI_FUNCTION(0x1, "gpio_out"),
133 SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 15)), /* PM_EINT15 */
134
135 /* Hole */
136 SUNXI_PIN(SUNXI_PINCTRL_PIN(N, 0),
137 SUNXI_FUNCTION(0x0, "gpio_in"),
138 SUNXI_FUNCTION(0x1, "gpio_out"),
139 SUNXI_FUNCTION(0x2, "s_i2c0"), /* SCK */
140 SUNXI_FUNCTION(0x3, "s_rsb")), /* SCK */
141 SUNXI_PIN(SUNXI_PINCTRL_PIN(N, 1),
142 SUNXI_FUNCTION(0x0, "gpio_in"),
143 SUNXI_FUNCTION(0x1, "gpio_out"),
144 SUNXI_FUNCTION(0x2, "s_i2c0"), /* SDA */
145 SUNXI_FUNCTION(0x3, "s_rsb")), /* SDA */
146 };
147
148 static const struct sunxi_pinctrl_desc sun9i_a80_r_pinctrl_data = {
149 .pins = sun9i_a80_r_pins,
150 .npins = ARRAY_SIZE(sun9i_a80_r_pins),
151 .pin_base = PL_BASE,
152 .irq_banks = 2,
153 .disable_strict_mode = true,
154 .io_bias_cfg_variant = BIAS_VOLTAGE_GRP_CONFIG,
155 };
156
sun9i_a80_r_pinctrl_probe(struct platform_device * pdev)157 static int sun9i_a80_r_pinctrl_probe(struct platform_device *pdev)
158 {
159 return sunxi_pinctrl_init(pdev,
160 &sun9i_a80_r_pinctrl_data);
161 }
162
163 static const struct of_device_id sun9i_a80_r_pinctrl_match[] = {
164 { .compatible = "allwinner,sun9i-a80-r-pinctrl", },
165 {}
166 };
167
168 static struct platform_driver sun9i_a80_r_pinctrl_driver = {
169 .probe = sun9i_a80_r_pinctrl_probe,
170 .driver = {
171 .name = "sun9i-a80-r-pinctrl",
172 .owner = THIS_MODULE,
173 .of_match_table = sun9i_a80_r_pinctrl_match,
174 },
175 };
176 builtin_platform_driver(sun9i_a80_r_pinctrl_driver);
177