From 0ff58575c9d66f660886387c2e68d8c5c724e87b Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 3 Feb 2016 10:25:36 +0100 Subject: dts: update to v4.5-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/display/exynos/exynos_dp.txt | 41 ++++++++++++++++++++++++++++--- 1 file changed, 37 insertions(+), 4 deletions(-) (limited to 'dts/Bindings/display/exynos/exynos_dp.txt') diff --git a/dts/Bindings/display/exynos/exynos_dp.txt b/dts/Bindings/display/exynos/exynos_dp.txt index 64693f2ebc..fe4a7a2dea 100644 --- a/dts/Bindings/display/exynos/exynos_dp.txt +++ b/dts/Bindings/display/exynos/exynos_dp.txt @@ -1,3 +1,20 @@ +Device-Tree bindings for Samsung Exynos Embedded DisplayPort Transmitter(eDP) + +DisplayPort is industry standard to accommodate the growing board adoption +of digital display technology within the PC and CE industries. +It consolidates the internal and external connection methods to reduce device +complexity and cost. It also supports necessary features for important cross +industry applications and provides performance scalability to enable the next +generation of displays that feature higher color depths, refresh rates, and +display resolutions. + +eDP (embedded display port) device is compliant with Embedded DisplayPort +standard as follows, +- DisplayPort standard 1.1a for Exynos5250 and Exynos5260. +- DisplayPort standard 1.3 for Exynos5422s and Exynos5800. + +eDP resides between FIMD and panel or FIMD and bridge such as LVDS. + The Exynos display port interface should be configured based on the type of panel connected to it. @@ -66,8 +83,15 @@ Optional properties for dp-controller: Hotplug detect GPIO. Indicates which GPIO should be used for hotplug detection - -video interfaces: Device node can contain video interface port - nodes according to [1]. +Video interfaces: + Device node can contain video interface port nodes according to [1]. + The following are properties specific to those nodes: + + endpoint node connected to bridge or panel node: + - remote-endpoint: specifies the endpoint in panel or bridge node. + This node is required in all kinds of exynos dp + to represent the connection between dp and bridge + or dp and panel. [1]: Documentation/devicetree/bindings/media/video-interfaces.txt @@ -111,9 +135,18 @@ Board Specific portion: }; ports { - port@0 { + port { dp_out: endpoint { - remote-endpoint = <&bridge_in>; + remote-endpoint = <&dp_in>; + }; + }; + }; + + panel { + ... + port { + dp_in: endpoint { + remote-endpoint = <&dp_out>; }; }; }; -- cgit v1.2.3