1 // SPDX-License-Identifier: (GPL-2.0+ or MIT)
2 /*
3 * Copyright (c) 2020 frank@allwinnertech.com
4 */
5
6 #include <linux/module.h>
7 #include <linux/platform_device.h>
8 #include <linux/of.h>
9 #include <linux/of_device.h>
10 #include <linux/pinctrl/pinctrl.h>
11 #include "pinctrl-sunxi.h"
12
13 static const struct sunxi_desc_pin sun50iw9_r_pins[] = {
14 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
15 SUNXI_FUNCTION(0x0, "gpio_in"),
16 SUNXI_FUNCTION(0x1, "gpio_out"),
17 SUNXI_FUNCTION(0x3, "s_twi0")), /* SCK */
18 SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
19 SUNXI_FUNCTION(0x0, "gpio_in"),
20 SUNXI_FUNCTION(0x1, "gpio_out"),
21 SUNXI_FUNCTION(0x3, "s_twi0")), /* SDA */
22 };
23
24 static const struct sunxi_pinctrl_desc sun50iw9_r_pinctrl_data = {
25 .pins = sun50iw9_r_pins,
26 .npins = ARRAY_SIZE(sun50iw9_r_pins),
27 .pin_base = SUNXI_PIN_BASE('L'),
28 .hw_type = SUNXI_PCTL_HW_TYPE_0,
29 };
30
sun50iw9_r_pinctrl_probe(struct platform_device * pdev)31 static int sun50iw9_r_pinctrl_probe(struct platform_device *pdev)
32 {
33 return sunxi_bsp_pinctrl_init(pdev, &sun50iw9_r_pinctrl_data);
34 }
35
36 static struct of_device_id sun50iw9_r_pinctrl_match[] = {
37 { .compatible = "allwinner,sun50iw9-r-pinctrl", },
38 {}
39 };
40 MODULE_DEVICE_TABLE(of, sun50iw9_r_pinctrl_match);
41
42 static struct platform_driver sun50iw9_r_pinctrl_driver = {
43 .probe = sun50iw9_r_pinctrl_probe,
44 .driver = {
45 .name = "sun50iw9-r-pinctrl",
46 .of_match_table = sun50iw9_r_pinctrl_match,
47 },
48 };
49
sun50iw9_r_pio_init(void)50 static int __init sun50iw9_r_pio_init(void)
51 {
52 return platform_driver_register(&sun50iw9_r_pinctrl_driver);
53 }
54 postcore_initcall(sun50iw9_r_pio_init);
55
56 MODULE_DESCRIPTION("Allwinner sun50iw9 R_PIO pinctrl driver");
57 MODULE_LICENSE("GPL");
58 MODULE_VERSION("1.0.0");
59