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Diffstat (limited to 'Documentation/devicetree/bindings/input/qcom,pm8921-keypad.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/input/qcom,pm8921-keypad.yaml | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/qcom,pm8921-keypad.yaml b/Documentation/devicetree/bindings/input/qcom,pm8921-keypad.yaml new file mode 100644 index 0000000000..88764adcd6 --- /dev/null +++ b/Documentation/devicetree/bindings/input/qcom,pm8921-keypad.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/qcom,pm8921-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm PM8921 PMIC KeyPad + +maintainers: + - Dmitry Baryshkov <dmitry.baryshkov@linaro.org> + +allOf: + - $ref: input.yaml# + - $ref: matrix-keymap.yaml# + +properties: + compatible: + enum: + - qcom,pm8058-keypad + - qcom,pm8921-keypad + + reg: + maxItems: 1 + + interrupts: + items: + - description: key sense + - description: key stuck + + wakeup-source: + type: boolean + description: use any event on keypad as wakeup event + + linux,keypad-wakeup: + type: boolean + deprecated: true + description: legacy version of the wakeup-source property + + debounce: + description: + Time in microseconds that key must be pressed or + released for state change interrupt to trigger. + $ref: /schemas/types.yaml#/definitions/uint32 + + scan-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: time in microseconds to pause between successive scans of the + matrix array + + row-hold: + $ref: /schemas/types.yaml#/definitions/uint32 + description: time in nanoseconds to pause between scans of each row in the + matrix array. + +required: + - compatible + - reg + - interrupts + - linux,keymap + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/input/input.h> + #include <dt-bindings/interrupt-controller/irq.h> + pmic { + #address-cells = <1>; + #size-cells = <0>; + + keypad@148 { + compatible = "qcom,pm8921-keypad"; + reg = <0x148>; + interrupt-parent = <&pmicintc>; + interrupts = <74 IRQ_TYPE_EDGE_RISING>, <75 IRQ_TYPE_EDGE_RISING>; + linux,keymap = < + MATRIX_KEY(0, 0, KEY_VOLUMEUP) + MATRIX_KEY(0, 1, KEY_VOLUMEDOWN) + MATRIX_KEY(0, 2, KEY_CAMERA_FOCUS) + MATRIX_KEY(0, 3, KEY_CAMERA) + >; + keypad,num-rows = <1>; + keypad,num-columns = <5>; + debounce = <15>; + scan-delay = <32>; + row-hold = <91500>; + }; + }; +... |