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SubjectRe: [PATCH 1/3] dt-bindings: Add document for rockchip RGB output interface
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Hi rob,
thanks for you review.

在 2017/9/19 22:46, Rob Herring 写道:
> On Thu, Sep 14, 2017 at 11:43:18AM +0800, Sandy Huang wrote:
>> This path add support rv1108 rgb output interface driver.
>>
>> Signed-off-by: Sandy Huang <hjc@rock-chips.com>
>> ---
>> .../bindings/display/rockchip/rockchip-rgb.txt | 80 ++++++++++++++++++++++
>> 1 file changed, 80 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..4164512
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt
>> @@ -0,0 +1,80 @@
>> +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:
>> +- rockchip,rgb-mode: should be "p888", "p666", "p565", "s888", "s888-dummy"
>
> This should be a standard property. Any device with a parallel interface
> is going to need something like this.
>
so, i need to move this property to panel? or just rename
rockchip,rgb-mode to rgb-mode?

>> + - 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>;
>> + rockchip,rgb-mode = "p888";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + rgb_in: port@0 {
>> + reg = <0>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + rgb_in_vop: endpoint@0 {
>> + reg = <0>;
>
> Don't need reg for a single endpoint.
>
ok, this will be deleted at next version.
>> + remote-endpoint = <&vop_out_rgb>;
>> + };
>> + };
>> +
>> + rgb_out: port@1 {
>> + reg = <1>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + rgb_out_panel: endpoint@0 {
>> + reg = <0>;
>
> ditto.
>
ok, this will be deleted at next version.
>> + remote-endpoint = <&panel_in_rgb>;
>> + };
>> + };
>> + };
>> + };
>> --
>> 2.7.4
>>
>>
>
>
>

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