| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 <dmitry.baryshkov@linaro.org> |
| 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 | ... |