board-paz00.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * arch/arm/mach-tegra/board-paz00.c
 4 *
 5 * Copyright (C) 2011 Marc Dietrich <marvin24@gmx.de>
 6 *
 7 * Based on board-harmony.c
 8 * Copyright (C) 2010 Google, Inc.
 9 */
10
11#include <linux/err.h>
12#include <linux/gpio/machine.h>
13#include <linux/gpio/property.h>
14#include <linux/platform_device.h>
15#include <linux/printk.h>
16#include <linux/property.h>
17
18#include "board.h"
19
20static const struct software_node tegra_gpiochip_node = {
21	.name	= "tegra-gpio",
22};
23
24static const struct property_entry wifi_rfkill_prop[] __initconst = {
25	PROPERTY_ENTRY_STRING("name", "wifi_rfkill"),
26	PROPERTY_ENTRY_STRING("type", "wlan"),
27	PROPERTY_ENTRY_GPIO("reset-gpios",
28			    &tegra_gpiochip_node, 25, GPIO_ACTIVE_HIGH),
29	PROPERTY_ENTRY_GPIO("shutdown-gpios",
30			    &tegra_gpiochip_node, 85, GPIO_ACTIVE_HIGH),
31	{ }
32};
33
34static const struct platform_device_info wifi_rfkill_info __initconst = {
35	.name		= "rfkill_gpio",
36	.id		= PLATFORM_DEVID_NONE,
37	.properties	= wifi_rfkill_prop,
38};
39
40void __init tegra_paz00_wifikill_init(void)
41{
42	struct platform_device *pd;
43	int err;
44
45	err = software_node_register(&tegra_gpiochip_node);
46	if (err) {
47		pr_err("failed to register %s node: %d\n",
48		       tegra_gpiochip_node.name, err);
49		return;
50	}
51
52	pd = platform_device_register_full(&wifi_rfkill_info);
53	err = PTR_ERR_OR_ZERO(pd);
54	if (err)
55		pr_err("failed to register WiFi rfkill device: %d\n", err);
56}