te-polarity indicates the polarity of panel's TE(Tearing Effect) signal. Normally the TE pin is connected to the host SoC. The display controller will send a new frame to panel when the TE signal is triggered.
Signed-off-by: Mark Zhang markz@nvidia.com --- Documentation/devicetree/bindings/panel/sharp,lq101r1sx01.txt | 2 ++ arch/arm/boot/dts/tegra114-dalmore.dts | 2 ++ 2 files changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/panel/sharp,lq101r1sx01.txt b/Documentation/devicetree/bindings/panel/sharp,lq101r1sx01.txt index f522bb8e47e1..680ebec9a927 100644 --- a/Documentation/devicetree/bindings/panel/sharp,lq101r1sx01.txt +++ b/Documentation/devicetree/bindings/panel/sharp,lq101r1sx01.txt @@ -23,6 +23,7 @@ Required properties (for DSI-LINK1 only): - link2: phandle to the DSI peripheral on the secondary link. Note that the presence of this property marks the containing node as DSI-LINK1. - power-supply: phandle of the regulator that provides the supply voltage +- te-polarity: indicates the TE(Tearing Effect) polarity. 0: Low, 1: High.
Optional properties (for DSI-LINK1 only): - backlight: phandle of the backlight device attached to the panel @@ -38,6 +39,7 @@ Example:
power-supply = <...>; backlight = <...>; + te-polarity = <0>; }; };
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts index 8b7aa0dcdc6e..fdb1cc4063a9 100644 --- a/arch/arm/boot/dts/tegra114-dalmore.dts +++ b/arch/arm/boot/dts/tegra114-dalmore.dts @@ -47,6 +47,8 @@
power-supply = <&avdd_lcd_reg>; backlight = <&backlight>; + + te-polarity = <0>; /* TE_POLARITY_LOW */ }; }; };