x86/platform/geode: Convert net5501 LED to GPIO machine descriptor
authorLinus Walleij <linus.walleij@linaro.org>
Tue, 24 Nov 2020 08:53:37 +0000 (09:53 +0100)
committerBorislav Petkov <bp@suse.de>
Fri, 15 Jan 2021 17:47:49 +0000 (18:47 +0100)
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@linaro.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lkml.kernel.org/r/20201124085339.6181-1-linus.walleij@linaro.org
arch/x86/platform/geode/net5501.c

index 163e1b545517086cb2ecb61f891b48d232e4f7d3..558384acd7776829771580d6fdb0ef3b2c2b63de 100644 (file)
@@ -20,6 +20,7 @@
 #include <linux/platform_device.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
+#include <linux/gpio/machine.h>
 
 #include <asm/geode.h>
 
@@ -55,9 +56,7 @@ static struct platform_device net5501_buttons_dev = {
 static struct gpio_led net5501_leds[] = {
        {
                .name = "net5501:1",
-               .gpio = 6,
                .default_trigger = "default-on",
-               .active_low = 0,
        },
 };
 
@@ -66,6 +65,15 @@ static struct gpio_led_platform_data net5501_leds_data = {
        .leds = net5501_leds,
 };
 
+static struct gpiod_lookup_table net5501_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_HIGH),
+               { }
+       },
+};
+
 static struct platform_device net5501_leds_dev = {
        .name = "leds-gpio",
        .id = -1,
@@ -80,6 +88,7 @@ static struct platform_device *net5501_devs[] __initdata = {
 static void __init register_net5501(void)
 {
        /* Setup LED control through leds-gpio driver */
+       gpiod_add_lookup_table(&net5501_leds_gpio_table);
        platform_add_devices(net5501_devs, ARRAY_SIZE(net5501_devs));
 }