Hi, Jitao:
Jitao Shi <jitao.shi@xxxxxxxxxxxx> 於 2020年4月3日 週五 下午4:04寫道：
>
> Add property "pinctrl-names" to swap pin mode between gpio and dpi mode. Set
> the dpi pins to gpio mode and output-low to avoid leakage current when dpi
> disabled.
>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
> Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/display/mediatek/mediatek,dpi.txt | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> index 58914cf681b8..77def4456706 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> @@ -17,6 +17,9 @@ Required properties:
> Documentation/devicetree/bindings/graph.txt. This port should be connected
> to the input port of an attached HDMI or LVDS encoder chip.
>
> +Optional properties:
> +- pinctrl-names: Contain "default" and "sleep".
> +
> Example:
>
> dpi0: dpi@1401d000 {
> @@ -27,6 +30,9 @@ dpi0: dpi@1401d000 {
> <&mmsys CLK_MM_DPI_ENGINE>,
> <&apmixedsys CLK_APMIXED_TVDPLL>;
> clock-names = "pixel", "engine", "pll";
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&dpi_pin_func>;
> + pinctrl-1 = <&dpi_pin_idle>;
>
> port {
> dpi0_out: endpoint {
> --
> 2.21.0
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