linux-kernel - [PATCH v2] dt-bindings: input: add bindings document for ar1021

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Message-ID: <1492150298-15244-1-git-send-email-martin.kepplinger@ginzinger.com>
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