Hi, Jitao:
Jitao Shi <jitao.shi@xxxxxxxxxxxx> 於 2020年3月31日 週二 下午4:28寫道：
>
> Add a property to control mipi tx drive current:
> "drive-strength-microamp"
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
>
> Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> index a19a6cc375ed..d78b6d6d8fab 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> @@ -33,6 +33,10 @@ Required properties:
> - #clock-cells: must be <0>;
> - #phy-cells: must be <0>.
>
> +Optional properties:
> +- drive-strength-microamp: adjust driving current, should be 3000 ~ 6000. And
> + the step is 200.
> +
> Example:
>
> mipi_tx0: mipi-dphy@10215000 {
> @@ -42,6 +46,7 @@ mipi_tx0: mipi-dphy@10215000 {
> clock-output-names = "mipi_tx0_pll";
> #clock-cells = <0>;
> #phy-cells = <0>;
> + drive-strength-microamp = <4600>;
> };
>
> dsi0: dsi@1401b000 {
> --
> 2.21.0
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