1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Allwinner H616 R_PIO pin controller driver |
4 | * |
5 | * Copyright (C) 2020 Arm Ltd. |
6 | * Based on former work, which is: |
7 | * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io> |
8 | */ |
9 | |
10 | #include <linux/init.h> |
11 | #include <linux/platform_device.h> |
12 | #include <linux/of.h> |
13 | #include <linux/pinctrl/pinctrl.h> |
14 | |
15 | #include "pinctrl-sunxi.h" |
16 | |
17 | static const struct sunxi_desc_pin sun50i_h616_r_pins[] = { |
18 | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), |
19 | SUNXI_FUNCTION(0x0, "gpio_in" ), |
20 | SUNXI_FUNCTION(0x1, "gpio_out" ), |
21 | SUNXI_FUNCTION(0x2, "s_rsb" ), /* SCK */ |
22 | SUNXI_FUNCTION(0x3, "s_i2c" )), /* SCK */ |
23 | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), |
24 | SUNXI_FUNCTION(0x0, "gpio_in" ), |
25 | SUNXI_FUNCTION(0x1, "gpio_out" ), |
26 | SUNXI_FUNCTION(0x2, "s_rsb" ), /* SDA */ |
27 | SUNXI_FUNCTION(0x3, "s_i2c" )), /* SDA */ |
28 | }; |
29 | |
30 | static const struct sunxi_pinctrl_desc sun50i_h616_r_pinctrl_data = { |
31 | .pins = sun50i_h616_r_pins, |
32 | .npins = ARRAY_SIZE(sun50i_h616_r_pins), |
33 | .pin_base = PL_BASE, |
34 | }; |
35 | |
36 | static int sun50i_h616_r_pinctrl_probe(struct platform_device *pdev) |
37 | { |
38 | return sunxi_pinctrl_init(pdev, |
39 | &sun50i_h616_r_pinctrl_data); |
40 | } |
41 | |
42 | static const struct of_device_id sun50i_h616_r_pinctrl_match[] = { |
43 | { .compatible = "allwinner,sun50i-h616-r-pinctrl" , }, |
44 | {} |
45 | }; |
46 | |
47 | static struct platform_driver sun50i_h616_r_pinctrl_driver = { |
48 | .probe = sun50i_h616_r_pinctrl_probe, |
49 | .driver = { |
50 | .name = "sun50i-h616-r-pinctrl" , |
51 | .of_match_table = sun50i_h616_r_pinctrl_match, |
52 | }, |
53 | }; |
54 | builtin_platform_driver(sun50i_h616_r_pinctrl_driver); |
55 | |