Hi rob, Thanks for your reply. ? 2017/10/4 5:56, Rob Herring ??: > On Fri, Sep 22, 2017 at 11:00:26AM +0800, Sandy Huang wrote: >> This path add support rv1108 rgb output interface driver. >> >> Signed-off-by: Sandy Huang <hjc at rock-chips.com> >> --- >> Changes in v2: >> 1. rename rockchip,rgb-mode to rgb-mode; > > You can't just drop the vendor. This needs to be documented in a common > place that others will find and use. See panel-common.txt or > panel-dpi.txt. > > Alternatively, you could just drop it and let the panel compatible imply > what the mode is. > > ok, get it, i will move the rgb-mode to panel and describe it at panel-rgb.txt. the patches will be send soon later. >> 2. delete reg for signle endpoint; >> >> .../bindings/display/rockchip/rockchip-rgb.txt | 78 ++++++++++++++++++++++ >> 1 file changed, 78 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..86bd1ce >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt >> @@ -0,0 +1,78 @@ >> +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. >> + >> +Required nodes: >> +- rgb-mode: should be "p888", "p666", "p565", "s888", "s888-dummy" >> + - p888: output r8-g8-b8 at each dclk cycle for per-pixel >> + - p666: output r6-g6-b6 at each dclk cycle for per-pixel >> + - p565: output r5-g6-b5 at each dclk cycle for per-pixel >> + - s888: output r8-g8-b8 in three dclk cycle for per-pixel >> + - s888-dmmy: output r8-g8-b8-dummy in four dclk cycle for per-pixel >> + >> +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 >> +Panel other required properties: >> +- ports for remote rgb output. >> + >> +Example: >> + >> +panel: panel { >> + compatible = "auo,b101ean01"; >> + enable-gpios = <&gpio7 21 GPIO_ACTIVE_HIGH>; >> + >> + 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>; >> + rgb-mode = "p888"; >> + >> + 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 >> >> > > >