Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / input / qcom,pm8xxx-pwrkey.txt

diff --git a/kernel/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt b/kernel/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt
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+Qualcomm PM8xxx PMIC Power Key
+
+PROPERTIES
+
+- compatible:
+       Usage: required
+       Value type: <string>
+       Definition: must be one of:
+                   "qcom,pm8058-pwrkey"
+                   "qcom,pm8921-pwrkey"
+
+- reg:
+       Usage: required
+       Value type: <prop-encoded-array>
+       Definition: address of power key control register
+
+- interrupts:
+       Usage: required
+       Value type: <prop-encoded-array>
+       Definition: the first interrupt specifies the key release interrupt
+                   and the second interrupt specifies the key press 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 release
+                   for state change interrupt to trigger.
+
+- 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@1c {
+               compatible = "qcom,pm8921-pwrkey";
+               reg = <0x1c>;
+               interrupt-parent = <&pmicintc>;
+               interrupts = <50 1>, <51 1>;
+               debounce = <15625>;
+               pull-up;
+       };