Re: [PATCH v2 1/4] dt-binds: display: mediatek: add property to control mipi tx drive current

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On Tue, Feb 25, 2020 at 07:47:27PM +0800, Jitao Shi wrote:
> Add a property to control mipi tx drive current:
> "mipitx-current-drive"

'dt-bindings: display: ...' for the subject prefix.

> 
> Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/display/mediatek/mediatek,dsi.txt     | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> index a19a6cc375ed..780201ddcd5c 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> @@ -33,6 +33,9 @@ Required properties:
>  - #clock-cells: must be <0>;
>  - #phy-cells: must be <0>.
>  
> +Optional properties:
> +- mipitx-current-drive: adjust driving current, should be 1 ~ 0xF

Perhaps should be a common property and use the existing 
'drive-strength-microamp'.

> +
>  Example:
>  
>  mipi_tx0: mipi-dphy@10215000 {
> @@ -42,6 +45,7 @@ mipi_tx0: mipi-dphy@10215000 {
>  	clock-output-names = "mipi_tx0_pll";
>  	#clock-cells = <0>;
>  	#phy-cells = <0>;
> +	mipitx-current-drive = <0x8>;
>  };
>  
>  dsi0: dsi@1401b000 {
> -- 
> 2.21.0
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