[PATCH 2/3] dt-bindings: ads7846: Add hsync-gpios

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

The TI ADS7846 emits a horizontal sync signal that is usually
connected to a GPIO for polling. Add a binding for this.

Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/input/touchscreen/ads7846.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt b/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt
index 81f6bda97d3c..399c87782935 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt
@@ -57,6 +57,7 @@ Optional properties:
 					pendown-gpio (u32).
 	pendown-gpio			GPIO handle describing the pin the !PENIRQ
 					line is connected to.
+	ti,hsync-gpios			GPIO line to poll for hsync
 	wakeup-source			use any event on touchscreen as wakeup event.
 					(Legacy property support: "linux,wakeup")
 	touchscreen-size-x		General touchscreen binding, see [1].

-- 
2.44.0