[PATCH v2 2/2] input: pm8941-pwrkey: Add DT binding documentation

[Bjorn Andersson <bjorn.andersson@sonymobile.com>]

From: Courtney Cavin <courtney.cavin@sonymobile.com>

Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
---
 .../bindings/input/qcom,pm8941-pwrkey.txt          | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt

diff --git a/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt b/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
new file mode 100644
index 0000000..07bf55f
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
@@ -0,0 +1,43 @@
+Qualcomm PM8941 PMIC Power Key
+
+PROPERTIES
+
+- compatible:
+	Usage: required
+	Value type: <string>
+	Definition: must be one of:
+		    "qcom,pm8941-pwrkey"
+
+- reg:
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: base address of registers for block
+
+- interrupts:
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: key change interrupt; The format of the specifier is
+		    defined by the binding document describing the node's
+		    interrupt parent.
+
+- debounce:
+	Usage: optional
+	Value type: <u32>
+	Definition: time in microseconds that key must be pressed or released
+		    for state change interrupt to trigger.
+
+- bias-pull-up:
+	Usage: optional
+	Value type: <empty>
+	Definition: presence of this property indicates that the KPDPWR_N pin
+		    should be configured for pull up.
+
+EXAMPLE
+
+	pwrkey@800 {
+		compatible = "qcom,pm8941-pwrkey";
+		reg = <0x800>;
+		interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
+		debounce = <15625>;
+		bias-pull-up;
+	};
-- 
1.9.1