linux-kernel - [PATCH v3.1 08/10] dt-bindings: sun4i-drm: add HDMI VCC supply property for sun8i-dw-hdmi

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Date:   Fri, 27 Jul 2018 01:12:55 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-sunxi@...glegroups.com,
        Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH v3.1 08/10] dt-bindings: sun4i-drm: add HDMI VCC supply property for sun8i-dw-hdmi

Allwiner SoCs with DesignWare HDMI controller all come with a "HVCC"
pin, which is the VCC of HDMI part.

Add a supply property to specify HVCC's regulator in the device tree.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
---
Changes in v3.1:
- New patch.

 Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index fdb8fb29033f..cb4769913e89 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -97,6 +97,9 @@ Required properties:
     first port should be the input endpoint. The second should be the
     output, usually to an HDMI connector.
 
+Optional properties:
+  - hdmi-supply: the VCC power supply of the controller
+
 DWC HDMI PHY
 ------------
 
-- 
2.18.0