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Date: Fri, 14 Apr 2017 08:11:38 +0200
From: Martin Kepplinger <martin.kepplinger@...zinger.com>
To: <robh@...nel.org>, <dmitry.torokhov@...il.com>
CC: <christian.gmeiner@...il.com>, <linux@...ck-us.net>,
<linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>,
Martin Kepplinger <martin.kepplinger@...zinger.com>
Subject: [PATCH v2] dt-bindings: input: add bindings document for ar1021_i2c driver
Add a simple binding document describing the supported devices and the
I2C bus address.
Signed-off-by: Martin Kepplinger <martin.kepplinger@...zinger.com>
---
revision history
----------------
v2: fixed subject line and binding; thanks Rob Herring
v1: initial idea
.../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..e459e85
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/ar1021.txt
@@ -0,0 +1,16 @@
+* Microchip AR1020 and AR1021 touchscreen interface (I2C)
+
+Required properties:
+- compatible : "microchip,ar1021-i2c"
+- reg : I2C slave address
+- interrupt-parent : the phandle for the interrupt controller
+- interrupts : touch controller interrupt
+
+Example:
+
+ touchscreen@4d {
+ compatible = "microchip,ar1021-i2c";
+ reg = <0x4d>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
+ };
--
2.1.4
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