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| 1 | +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/input/qcom,pm8921-keypad.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: Qualcomm PM8921 PMIC KeyPad |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Dmitry Baryshkov <[email protected]> |
| 11 | + |
| 12 | +allOf: |
| 13 | + - $ref: input.yaml# |
| 14 | + - $ref: matrix-keymap.yaml# |
| 15 | + |
| 16 | +properties: |
| 17 | + compatible: |
| 18 | + enum: |
| 19 | + - qcom,pm8058-keypad |
| 20 | + - qcom,pm8921-keypad |
| 21 | + |
| 22 | + reg: |
| 23 | + maxItems: 1 |
| 24 | + |
| 25 | + interrupts: |
| 26 | + items: |
| 27 | + - description: key sense |
| 28 | + - description: key stuck |
| 29 | + |
| 30 | + wakeup-source: |
| 31 | + type: boolean |
| 32 | + description: use any event on keypad as wakeup event |
| 33 | + |
| 34 | + linux,keypad-wakeup: |
| 35 | + type: boolean |
| 36 | + deprecated: true |
| 37 | + description: legacy version of the wakeup-source property |
| 38 | + |
| 39 | + debounce: |
| 40 | + description: |
| 41 | + Time in microseconds that key must be pressed or |
| 42 | + released for state change interrupt to trigger. |
| 43 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 44 | + |
| 45 | + scan-delay: |
| 46 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 47 | + description: time in microseconds to pause between successive scans of the |
| 48 | + matrix array |
| 49 | + |
| 50 | + row-hold: |
| 51 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 52 | + description: time in nanoseconds to pause between scans of each row in the |
| 53 | + matrix array. |
| 54 | + |
| 55 | +required: |
| 56 | + - compatible |
| 57 | + - reg |
| 58 | + - interrupts |
| 59 | + - linux,keymap |
| 60 | + |
| 61 | +unevaluatedProperties: false |
| 62 | + |
| 63 | +examples: |
| 64 | + - | |
| 65 | + #include <dt-bindings/input/input.h> |
| 66 | + #include <dt-bindings/interrupt-controller/irq.h> |
| 67 | + pmic { |
| 68 | + #address-cells = <1>; |
| 69 | + #size-cells = <0>; |
| 70 | +
|
| 71 | + keypad@148 { |
| 72 | + compatible = "qcom,pm8921-keypad"; |
| 73 | + reg = <0x148>; |
| 74 | + interrupt-parent = <&pmicintc>; |
| 75 | + interrupts = <74 IRQ_TYPE_EDGE_RISING>, <75 IRQ_TYPE_EDGE_RISING>; |
| 76 | + linux,keymap = < |
| 77 | + MATRIX_KEY(0, 0, KEY_VOLUMEUP) |
| 78 | + MATRIX_KEY(0, 1, KEY_VOLUMEDOWN) |
| 79 | + MATRIX_KEY(0, 2, KEY_CAMERA_FOCUS) |
| 80 | + MATRIX_KEY(0, 3, KEY_CAMERA) |
| 81 | + >; |
| 82 | + keypad,num-rows = <1>; |
| 83 | + keypad,num-columns = <5>; |
| 84 | + debounce = <15>; |
| 85 | + scan-delay = <32>; |
| 86 | + row-hold = <91500>; |
| 87 | + }; |
| 88 | + }; |
| 89 | +... |
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