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ARM: tegra: Core changes for v6.11-rc1

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Uses software nodes to describe rfkill instead of using a GPIO lookup
 table.
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Merge tag 'tegra-for-6.11-arm-core' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/arm

ARM: tegra: Core changes for v6.11-rc1

Uses software nodes to describe rfkill instead of using a GPIO lookup
table.

* tag 'tegra-for-6.11-arm-core' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: paz00: Use software nodes to describe GPIOs for WiFi rfkill

Link: https://lore.kernel.org/r/20240628210818.3627404-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2024-07-09 15:20:19 +02:00
commit 696a2af228
1 changed files with 32 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
arch/arm/mach-tegra/board-paz00.c
View File

@ -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);
}