[PATCH v4 8/9] devicetree: bindings: Document PM8921/8058 power keys

Stephen Boyd
2014-02-28T01:56:10Z

Document the power key found on PM8921 and PM8058 PMICs.

Cc: <devicetree@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
---
.../bindings/input/qcom,pm8xxx-pwrkey.txt | 39 ++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt

diff --git a/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt b/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt
new file mode 100644
index 000000000000..e124d9f33632
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt
@@ -0,0 +1,39 @@
+Qualcomm PM8xxx PMIC Power Key
+
+PROPERTIES
+
+- compatible:
+ Usage: required
+ Value type: <string>
+ Definition: must be one of:
+ "qcom,pm8058-pwrkey"
+ "qcom,pm8921-pwrkey"
+- 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 {
+ compatible = "qcom,pm8921-pwrkey";
+ interrupt-parent = <&pmicintc>;
+ interrupts = <50 1>, <51 1>;
+ debounce = <15625>;
+ pull-up;
+ };