Jitao Shi jitao.shi@mediatek.com 於 2020年3月11日 週三 下午3:18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 | 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..260ae75ac640 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 "default" and "sleep".
- 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 = "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