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 at 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 */
};
};
};
--
2.1.4
