Add a simple binding document highlighting the supported devices and
I2C bus address.
Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxxxxxxxx>
---
.../devicetree/bindings/input/touchscreen/ar1021.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/touchscreen/ar1021.txt
diff --git a/Documentation/devicetree/bindings/input/touchscreen/ar1021.txt b/Documentation/devicetree/bindings/input/touchscreen/ar1021.txt
new file mode 100644
index 0000000..87a8c72
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/ar1021.txt
@@ -0,0 +1,16 @@
+* Microchip AR1020 and AR1021 touchscreen interface (I2C)
+
+Required properties:
+- compatible : use "microchip,ar1020-i2c" or "microchip,ar1021-i2c"
+- reg : I2C slave address
+- interrupt-parent : the phandle for the interrupt controller
+- interrupts : touch controller interrupt
+
+Example:
+
+ ar1020: ar1020@4d {
+ compatible = "microchip,ar1020-i2c";
+ reg = <0x4d>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
+ };
--
2.1.4
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