[PATCH v10 2/5] dt-bindings: backlight: gpio-backlight: allow multiple GPIOs
From: Sudarshan Shetty
Date: Tue Dec 30 2025 - 08:02:58 EST
Update the gpio-backlight binding to support configurations that require
more than one GPIO for enabling/disabling the backlight.
Signed-off-by: Sudarshan Shetty <tessolveupstream@xxxxxxxxx>
---
.../bindings/leds/backlight/gpio-backlight.yaml | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml
index 584030b6b0b9..1483ce4a3480 100644
--- a/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml
+++ b/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml
@@ -17,7 +17,8 @@ properties:
gpios:
description: The gpio that is used for enabling/disabling the backlight.
- maxItems: 1
+ minItems: 1
+ maxItems: 2
default-on:
description: enable the backlight at boot.
@@ -38,4 +39,13 @@ examples:
default-on;
};
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ backlight {
+ compatible = "gpio-backlight";
+ gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>,
+ <&gpio3 5 GPIO_ACTIVE_HIGH>;
+ default-on;
+ };
+
...
--
2.34.1