The following commit has been merged into the x86/platform branch of tip:
Commit-ID: 604303018221d00b58422e1d117ba29ce84295cb
Gitweb: https://git.kernel.org/tip/604303018221d00b58422e1d117ba29ce84295cb
Author: Linus Walleij <linus.walleij@xxxxxxxxxx>
AuthorDate: Tue, 24 Nov 2020 09:53:39 +01:00
Committer: Borislav Petkov <bp@xxxxxxx>
CommitterDate: Fri, 15 Jan 2021 18:55:53 +01:00
x86/platform/geode: Convert alix 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: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Link: https://lkml.kernel.org/r/20201124085339.6181-3-linus.walleij@xxxxxxxxxx
---
arch/x86/platform/geode/alix.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/arch/x86/platform/geode/alix.c b/arch/x86/platform/geode/alix.c
index c33f744..b39bf3b 100644
--- a/arch/x86/platform/geode/alix.c
+++ b/arch/x86/platform/geode/alix.c
@@ -22,6 +22,7 @@
#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>
@@ -69,21 +70,15 @@ static struct platform_device alix_buttons_dev = {
static struct gpio_led alix_leds[] = {
{
.name = "alix:1",
- .gpio = 6,
.default_trigger = "default-on",
- .active_low = 1,
},
{
.name = "alix:2",
- .gpio = 25,
.default_trigger = "default-off",
- .active_low = 1,
},
{
.name = "alix:3",
- .gpio = 27,
.default_trigger = "default-off",
- .active_low = 1,
},
};
@@ -92,6 +87,17 @@ static struct gpio_led_platform_data alix_leds_data = {
.leds = alix_leds,
};
+static struct gpiod_lookup_table alix_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 alix_leds_dev = {
.name = "leds-gpio",
.id = -1,
@@ -106,6 +112,7 @@ static struct platform_device *alix_devs[] __initdata = {
static void __init register_alix(void)
{
/* Setup LED control through leds-gpio driver */
+ gpiod_add_lookup_table(&alix_leds_gpio_table);
platform_add_devices(alix_devs, ARRAY_SIZE(alix_devs));
}
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