linux-kernel - [PATCH v1 1/2] dt-bindings/display/panel: otm8009a: Add optional power-supply property

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Date:   Mon, 5 Feb 2018 10:45:31 +0100
From:   Philippe Cornu <philippe.cornu@...com>
To:     Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Andrzej Hajda <a.hajda@...sung.com>,
        Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        "Benjamin Gaignard" <benjamin.gaignard@...aro.org>,
        Vincent Abriou <vincent.abriou@...com>,
        Alexandre Torgue <alexandre.torgue@...com>
Subject: [PATCH v1 1/2] dt-bindings/display/panel: otm8009a: Add optional power-supply property

Some boards use a dedicated voltage regulator for this panel.
Add & document this related optional power-supply property.

Signed-off-by: Philippe Cornu <philippe.cornu@...com>
---
 Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt b/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt
index 6862028e7b2e..203b03eefb68 100644
--- a/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt
+++ b/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt
@@ -9,6 +9,7 @@ Required properties:
 
 Optional properties:
   - reset-gpios: a GPIO spec for the reset pin (active low).
+  - power-supply: phandle of the regulator that provides the supply voltage.
 
 Example:
 &dsi {
@@ -17,5 +18,6 @@ Example:
 		compatible = "orisetech,otm8009a";
 		reg = <0>;
 		reset-gpios = <&gpioh 7 GPIO_ACTIVE_LOW>;
+		power-supply = <&v1v8>;
 	};
 };
-- 
2.15.1