linux-kernel - [PATCH 4/9] dt-bindings: Add ANX6345 DP/eDP transmitter binding

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Date:   Thu, 18 Oct 2018 15:33:22 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     David Airlie <airlied@...ux.ie>, Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...glegroups.com, Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH 4/9] dt-bindings: Add ANX6345 DP/eDP transmitter binding

The ANX6345 is an ultra-low power DisplayPort/eDP transmitter designed
for portable devices.

Add a binding document for it.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
---
 .../bindings/display/bridge/anx6345.txt       | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/anx6345.txt

diff --git a/Documentation/devicetree/bindings/display/bridge/anx6345.txt b/Documentation/devicetree/bindings/display/bridge/anx6345.txt
new file mode 100644
index 000000000000..0689d4eb5f65
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/anx6345.txt
@@ -0,0 +1,39 @@
+Analogix ANX6345 eDP Transmitter
+--------------------------------
+
+The ANX6345 is an ultra-low power Full-HD eDP transmitter designed for
+portable devices.
+
+Required properties:
+
+ - compatible		: "analogix,anx6345"
+ - reg			: I2C address of the device
+ - reset-gpios		: Which GPIO to use for reset
+
+Optional properties:
+
+ - dvdd12-supply	: Regulator for 1.2V digital core power.
+ - dvdd25-supply	: Regulator for 2.5V digital core power.
+ - panel-supply		: Regulator for the power of the panel.
+ - edid			: verbatim EDID data block describing attached
+			  panel, only used when the panel has no EDID info.
+ - Video port for RGB input, using the DT bindings defined in [1].
+
+[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
+
+Example:
+
+anx6345: anx6345@38 {
+	compatible = "analogix,anx6345";
+	reg = <0x38>;
+	reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
+	panel-supply = <&reg_dc1sw>;
+	dvdd25-supply = <&reg_dldo2>;
+	dvdd12-supply = <&reg_fldo1>;
+
+	port {
+		anx6345_in: endpoint {
+			remote-endpoint = <&tcon0_out_anx6345>;
+		};
+	};
+};
-- 
2.18.1