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ARM: tegra: paz00: Use software nodes to describe GPIOs for WiFi rfkill

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Complete conversion of the WiFi rfkill device to use device properties/
software nodes by utilizing PROPERTY_ENTRY_GPIO() instead of a lookup
table.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Dmitry Torokhov 2024-06-26 21:46:13 -07:00 committed by Thierry Reding
parent 1613e604df
commit 237c5c9581
1 changed files with 32 additions and 18 deletions
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50
arch/arm/mach-tegra/board-paz00.c
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@ -8,35 +8,49 @@
* Copyright (C) 2010 Google, Inc.
*/
#include <linux/property.h>
#include <linux/err.h>
#include <linux/gpio/machine.h>
#include <linux/gpio/property.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/property.h>
#include "board.h"
static struct property_entry wifi_rfkill_prop[] __initdata = {
static const struct software_node tegra_gpiochip_node = {
.name = "tegra-gpio",
};
static const struct property_entry wifi_rfkill_prop[] __initconst = {
PROPERTY_ENTRY_STRING("name", "wifi_rfkill"),
PROPERTY_ENTRY_STRING("type", "wlan"),
{ },
PROPERTY_ENTRY_GPIO("reset-gpios",
&tegra_gpiochip_node, 25, GPIO_ACTIVE_HIGH),
PROPERTY_ENTRY_GPIO("shutdown-gpios",
&tegra_gpiochip_node, 85, GPIO_ACTIVE_HIGH),
{ }
};
static struct platform_device wifi_rfkill_device = {
.name = "rfkill_gpio",
.id = -1,
};
static struct gpiod_lookup_table wifi_gpio_lookup = {
.dev_id = "rfkill_gpio",
.table = {
GPIO_LOOKUP("tegra-gpio", 25, "reset", 0),
GPIO_LOOKUP("tegra-gpio", 85, "shutdown", 0),
{ },
},
static const struct platform_device_info wifi_rfkill_info __initconst = {
.name = "rfkill_gpio",
.id = PLATFORM_DEVID_NONE,
.properties = wifi_rfkill_prop,
};
void __init tegra_paz00_wifikill_init(void)
{
device_create_managed_software_node(&wifi_rfkill_device.dev, wifi_rfkill_prop, NULL);
gpiod_add_lookup_table(&wifi_gpio_lookup);
platform_device_register(&wifi_rfkill_device);
struct platform_device *pd;
int err;
err = software_node_register(&tegra_gpiochip_node);
if (err) {
pr_err("failed to register %s node: %d\n",
tegra_gpiochip_node.name, err);
return;
}
pd = platform_device_register_full(&wifi_rfkill_info);
err = PTR_ERR_OR_ZERO(pd);
if (err)
pr_err("failed to register WiFi rfkill device: %d\n", err);
}