Messages in this thread |  | | From | Chun-Kuang Hu <> | Date | Sat, 4 Apr 2020 22:06:42 +0800 | Subject | Re: [PATCH v14 1/3] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage |
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Hi, Jitao:
Jitao Shi <jitao.shi@mediatek.com> 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@kernel.org>
> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> > --- > .../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 > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel
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