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SubjectRe: [PATCH v8 3/7] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage
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On Tue, 2020-02-25 at 17:40 +0800, Jitao Shi wrote:
> Add property "pinctrl-names" to swap pin mode between gpio and dpi mode. Set
> pin mode to gpio oupput-low to avoid leakage current when dpi disable.
>

Reviewed-by: CK Hu <ck.hu@mediatek.com>

> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
> ---
> .../devicetree/bindings/display/mediatek/mediatek,dpi.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> index 58914cf681b8..a7b1b8bfb65e 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> @@ -17,6 +17,10 @@ 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 "gpiomode" and "dpimode".
> + pinctrl-names see Documentation/devicetree/bindings/pinctrlpinctrl-bindings.txt
> +
> Example:
>
> dpi0: dpi@1401d000 {
> @@ -27,6 +31,9 @@ dpi0: dpi@1401d000 {
> <&mmsys CLK_MM_DPI_ENGINE>,
> <&apmixedsys CLK_APMIXED_TVDPLL>;
> clock-names = "pixel", "engine", "pll";
> + pinctrl-names = "gpiomode", "dpimode";
> + pinctrl-0 = <&dpi_pin_gpio>;
> + pinctrl-1 = <&dpi_pin_func>;
>
> port {
> dpi0_out: endpoint {

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