Commit ab20fda2 authored by Linus Walleij's avatar Linus Walleij Committed by Borislav Petkov
Browse files

x86/platform/geode: Convert geode LED to GPIO machine descriptor 



Look up the LED from a GPIO machine descriptor table. The Geode LEDs
should be on the CS5535 companion chip.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lkml.kernel.org/r/20201124085339.6181-2-linus.walleij@linaro.org
parent 3ff13602

arch/x86/platform/geode/geos.c

+13 −6
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/platform_device.h>

#include <linux/input.h>

#include <linux/gpio_keys.h>

#include <linux/gpio/machine.h>

#include <linux/dmi.h>



#include <asm/geode.h>
@@ -53,21 +54,15 @@ static struct platform_device geos_buttons_dev = { 
static struct gpio_led geos_leds[] = {

	{

		.name = "geos:1",

		.gpio = 6,

		.default_trigger = "default-on",

		.active_low = 1,

	},

	{

		.name = "geos:2",

		.gpio = 25,

		.default_trigger = "default-off",

		.active_low = 1,

	},

	{

		.name = "geos:3",

		.gpio = 27,

		.default_trigger = "default-off",

		.active_low = 1,

	},

};
@@ -76,6 +71,17 @@ static struct gpio_led_platform_data geos_leds_data = { 
	.leds = geos_leds,

};



static struct gpiod_lookup_table geos_leds_gpio_table = {

	.dev_id = "leds-gpio",

	.table = {

		/* The Geode GPIOs should be on the CS5535 companion chip */

		GPIO_LOOKUP_IDX("cs5535-gpio", 6, NULL, 0, GPIO_ACTIVE_LOW),

		GPIO_LOOKUP_IDX("cs5535-gpio", 25, NULL, 1, GPIO_ACTIVE_LOW),

		GPIO_LOOKUP_IDX("cs5535-gpio", 27, NULL, 2, GPIO_ACTIVE_LOW),

		{ }

	},

};



static struct platform_device geos_leds_dev = {

	.name = "leds-gpio",

	.id = -1,
@@ -90,6 +96,7 @@ static struct platform_device *geos_devs[] __initdata = { 
static void __init register_geos(void)

{

	/* Setup LED control through leds-gpio driver */

	gpiod_add_lookup_table(&geos_leds_gpio_table);

	platform_add_devices(geos_devs, ARRAY_SIZE(geos_devs));

}