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Date: Mon, 8 Jun 2020 19:03:18 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Jitao Shi <jitao.shi@...iatek.com>, Rob Herring <robh@...nel.org>, Chun-Kuang Hu <chunkuang.hu@...nel.org>, Sasha Levin <sashal@...nel.org>, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org Subject: [PATCH AUTOSEL 5.7 105/274] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage From: Jitao Shi <jitao.shi@...iatek.com> [ Upstream commit b0ff9b590733079f7f9453e5976a9dd2630949e3 ] 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. Acked-by: Rob Herring <robh@...nel.org> Signed-off-by: Jitao Shi <jitao.shi@...iatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- .../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@...1d000 { @@ -27,6 +30,9 @@ dpi0: dpi@...1d000 { <&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 { -- 2.25.1
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