dt-bindings: mt76: add active-low property for led

LEDs can be in low-active mode, driver already supports it, but
documentation is missing. Add documentation for the dt property.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
index 7d526ff..67b63f1 100644 (file)
--- a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
@@ -111,6 +111,11 @@ properties:
     $ref: /schemas/leds/common.yaml#
     additionalProperties: false
     properties:
+      led-active-low:
+        description:
+          LED is enabled with ground signal.
+        type: boolean
+
       led-sources:
         maxItems: 1