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| author | Jitao Shi <jitao.shi@mediatek.com> | 2020-04-15 09:13:17 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-06-20 10:24:15 +0200 |
| commit | c76a7a4af64cd64936898d5b90af58f8f82e0221 (patch) | |
| tree | 53b825d23678e5c2cd6b265b6b14efcfec7caa4b /Documentation | |
| parent | ede1f11ae5228f7248946485f9146c3f6274a421 (diff) | |
| download | linux-stable-c76a7a4af64cd64936898d5b90af58f8f82e0221.tar.gz linux-stable-c76a7a4af64cd64936898d5b90af58f8f82e0221.tar.bz2 linux-stable-c76a7a4af64cd64936898d5b90af58f8f82e0221.zip | |
dt-bindings: display: mediatek: control dpi pins mode to avoid leakage
[ 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@kernel.org>
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt index b6a7e7397b8b..b944fe067188 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt @@ -16,6 +16,9 @@ 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 { @@ -26,6 +29,9 @@ 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 { |