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 20 static const struct software_node tegra_gpiochip_node = { 21 .name = "tegra-gpio", 22 }; 23 24 static 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 34 static 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 40 void __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 } 57