[PATCH v4 8/9] devicetree: bindings: Document PM8921/8058 power keys
From: Stephen Boyd <hidden>
Date: 2014-02-28 01:56:10
Also in:
linux-arm-kernel, linux-arm-msm, linux-devicetree, lkml
Subsystem:
arm/qualcomm mailing list, input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Document the power key found on PM8921 and PM8058 PMICs. Cc: <redacted> Signed-off-by: Stephen Boyd <redacted> --- .../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; + };
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