linux-kernel - [PATCH v3 1/2] dt-bindings: backlight: lm3630a: add enable

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Date:   Wed, 11 Sep 2019 19:21:05 +0200
From:   Andreas Kemnade <andreas@...nade.info>
To:     lee.jones@...aro.org, daniel.thompson@...aro.org,
        jingoohan1@...il.com, jacek.anaszewski@...il.com, pavel@....cz,
        dmurphy@...com, robh+dt@...nel.org, mark.rutland@....com,
        b.zolnierkie@...sung.com, dri-devel@...ts.freedesktop.org,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org,
        "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Andreas Kemnade <andreas@...nade.info>
Subject: [PATCH v3 1/2] dt-bindings: backlight: lm3630a: add enable_gpios

add enable-gpios to describe HWEN pin

Signed-off-by: Andreas Kemnade <andreas@...nade.info>
Acked-by: Daniel Thompson <daniel.thompson@...aro.org>
---
changes in v2: added example
changes in v3: added Acked-by
 .../bindings/leds/backlight/lm3630a-backlight.yaml           | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
index dc129d9a329e..1fa83feffe16 100644
--- a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
+++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
@@ -29,6 +29,10 @@ properties:
   '#size-cells':
     const: 0
 
+  enable-gpios:
+    description: GPIO to use to enable/disable the backlight (HWEN pin).
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -92,6 +96,7 @@ examples:
     i2c {
         #address-cells = <1>;
         #size-cells = <0>;
+        enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
 
         led-controller@38 {
                 compatible = "ti,lm3630a";
-- 
2.20.1