[PATCH v4 2/4] devicetree/bindings: display: Add document for rockchip RGB output
From: hjc@rock-chips.com (Sandy Huang)
Date: 2017-11-01 07:54:57
Also in:
dri-devel, linux-devicetree, linux-rockchip, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for rockchip, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Sandy Huang, Heiko Stübner, Andy Yan, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This path add support rv1108 rgb output interface driver. Signed-off-by: Sandy Huang <hjc@rock-chips.com> --- Changes in v4: None Changes in v3: move rgb-mode to panel node which describe at: Documentation/devicetree/bindings/display/panel/panel-rgb.txt Changes in v2: 1. rename rockchip,rgb-mode to rgb-mode; 2. delete reg for signle endpoint; .../bindings/display/rockchip/rockchip-rgb.txt | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt
new file mode 100644
index 0000000..d91a7bf
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt@@ -0,0 +1,72 @@ +Rockchip RV1108 RGB interface +================================ + +Required properties: +- compatible: matching the soc type: + - "rockchip,rv1108-rgb"; + +Optional properties: +- pinctrl-names: must contain a "lcdc" entry. +- pinctrl-0: pin control group to be used for this interface. + +The rgb has two video ports described by: + Documentation/devicetree/bindings/media/video-interfaces.txt +Their connections are modeled using the OF graph bindings specified in + Documentation/devicetree/bindings/graph.txt. + +- video port 0 for the VOP input, the remote endpoint maybe vopb/vopl/vop +- video port 1 for either a panel or subsequent encoder + +the panel described by: + Documentation/devicetree/bindings/display/panel/simple-panel.txt +rgb-mode nodes described by: + Documentation/devicetree/bindings/display/panel/panel-rgb.txt +Panel other required properties: +- ports for remote rgb output. + +Example: + +panel: panel { + compatible = "auo,b101ean01"; + enable-gpios = <&gpio7 21 GPIO_ACTIVE_HIGH>; + rgb-mode = "p888"; + + ports { + panel_in_rgb: endpoint { + remote-endpoint = <&rgb_out_panel>; + }; + }; +}; + +For Rockchip RV1108: + + rgb: rgb { + compatible = "rockchip,rv1108-rgb"; + pinctrl-names = "lcdc"; + pinctrl-0 = <&lcdc_ctl>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + rgb_in: port at 0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + rgb_in_vop: endpoint { + remote-endpoint = <&vop_out_rgb>; + }; + }; + + rgb_out: port at 1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + rgb_out_panel: endpoint { + remote-endpoint = <&panel_in_rgb>; + }; + }; + }; + };
--
2.7.4