linux-kernel - [PATCH v2 1/3] dt-bindings: display: Document FriendlyELEC HD702E LCD panel

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Message-Id: <20190507130708.11255-1-jagan@amarulasolutions.com>
Date:   Tue,  7 May 2019 18:37:06 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-amarula@...rulasolutions.com,
        Jagan Teki <jagan@...rulasolutions.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH v2 1/3] dt-bindings: display: Document FriendlyELEC HD702E LCD panel

HD702E lcd is FriendlyELEC developed eDP LCD panel with 800x1280
resolution. It has built in Goodix, GT9271 captive touchscreen
with backlight adjustable via PWM.

Add dt-bindings documentation for it.
Cc: Thierry Reding <thierry.reding@...il.com>
Cc: Sam Ravnborg <sam@...nborg.org>
Cc: David Airlie <airlied@...ux.ie>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org
Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
---
Changes for v2:
- separate binding patch from driver
- Add simple-panel compatible as fallback
- Add text info about simple-panel bindings

 .../display/panel/friendlyarm,hd702e.txt      | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/friendlyarm,hd702e.txt

diff --git a/Documentation/devicetree/bindings/display/panel/friendlyarm,hd702e.txt b/Documentation/devicetree/bindings/display/panel/friendlyarm,hd702e.txt
new file mode 100644
index 000000000000..6c9156fc3478
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/friendlyarm,hd702e.txt
@@ -0,0 +1,32 @@
+FriendlyELEC HD702E 800x1280 LCD panel
+
+HD702E lcd is FriendlyELEC developed eDP LCD panel with 800x1280
+resolution. It has built in Goodix, GT9271 captive touchscreen
+with backlight adjustable via PWM.
+
+Required properties:
+- compatible: should be "friendlyarm,hd702e"
+- power-supply: regulator to provide the supply voltage
+
+Optional properties:
+- backlight: phandle of the backlight device attached to the panel
+
+Optional nodes:
+- Video port for LCD panel input.
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
+
+Example:
+
+	panel {
+		compatible ="friendlyarm,hd702e", "simple-panel";
+		backlight = <&backlight>;
+		power-supply = <&vcc3v3_sys>;
+
+		port {
+			panel_in_edp: endpoint {
+				remote-endpoint = <&edp_out_panel>;
+			};
+		};
+	};
-- 
2.18.0.321.gffc6fa0e3