| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/input/adi,adp5588.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Analog Devices ADP5588 Keypad Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Nuno Sá <nuno.sa@analog.com> |
| 11 | |
| 12 | description: | |
| 13 | Analog Devices Mobile I/O Expander and QWERTY Keypad Controller |
| 14 | https://www.analog.com/media/en/technical-documentation/data-sheets/ADP5588.pdf |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: matrix-keymap.yaml# |
| 18 | - $ref: input.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - adi,adp5587 |
| 24 | - adi,adp5588 |
| 25 | |
| 26 | reg: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | vcc-supply: |
| 30 | description: Supply Voltage Input |
| 31 | |
| 32 | reset-gpios: |
| 33 | description: |
| 34 | If specified, it will be asserted during driver probe. As the line is |
| 35 | active low, it should be marked GPIO_ACTIVE_LOW. |
| 36 | maxItems: 1 |
| 37 | |
| 38 | interrupts: |
| 39 | maxItems: 1 |
| 40 | |
| 41 | gpio-controller: |
| 42 | description: |
| 43 | This property applies if either keypad,num-rows lower than 8 or |
| 44 | keypad,num-columns lower than 10. |
| 45 | |
| 46 | '#gpio-cells': |
| 47 | const: 2 |
| 48 | |
| 49 | interrupt-controller: |
| 50 | description: |
| 51 | This property applies if either keypad,num-rows lower than 8 or |
| 52 | keypad,num-columns lower than 10. |
| 53 | |
| 54 | '#interrupt-cells': |
| 55 | const: 2 |
| 56 | |
| 57 | adi,unlock-keys: |
| 58 | description: |
| 59 | Specifies a maximum of 2 keys that can be used to unlock the keypad. |
| 60 | If this property is set, the keyboard will be locked and only unlocked |
| 61 | after these keys are pressed. If only one key is set, a double click is |
| 62 | needed to unlock the keypad. The value of this property cannot be bigger |
| 63 | or equal than keypad,num-rows * keypad,num-columns. |
| 64 | $ref: /schemas/types.yaml#/definitions/uint32-array |
| 65 | minItems: 1 |
| 66 | maxItems: 2 |
| 67 | |
| 68 | required: |
| 69 | - compatible |
| 70 | - reg |
| 71 | - interrupts |
| 72 | - keypad,num-rows |
| 73 | - keypad,num-columns |
| 74 | - linux,keymap |
| 75 | |
| 76 | unevaluatedProperties: false |
| 77 | |
| 78 | examples: |
| 79 | - | |
| 80 | #include <dt-bindings/interrupt-controller/irq.h> |
| 81 | #include <dt-bindings/input/input.h> |
| 82 | #include <dt-bindings/gpio/gpio.h> |
| 83 | i2c { |
| 84 | #address-cells = <1>; |
| 85 | #size-cells = <0>; |
| 86 | |
| 87 | keys@34 { |
| 88 | compatible = "adi,adp5588"; |
| 89 | reg = <0x34>; |
| 90 | |
| 91 | vcc-supply = <&vcc>; |
| 92 | interrupts = <21 IRQ_TYPE_EDGE_FALLING>; |
| 93 | interrupt-parent = <&gpio>; |
| 94 | reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; |
| 95 | |
| 96 | keypad,num-rows = <1>; |
| 97 | keypad,num-columns = <9>; |
| 98 | linux,keymap = < |
| 99 | MATRIX_KEY(0x00, 0x00, KEY_1) |
| 100 | MATRIX_KEY(0x00, 0x01, KEY_2) |
| 101 | MATRIX_KEY(0x00, 0x02, KEY_3) |
| 102 | MATRIX_KEY(0x00, 0x03, KEY_4) |
| 103 | MATRIX_KEY(0x00, 0x04, KEY_5) |
| 104 | MATRIX_KEY(0x00, 0x05, KEY_6) |
| 105 | MATRIX_KEY(0x00, 0x06, KEY_7) |
| 106 | MATRIX_KEY(0x00, 0x07, KEY_8) |
| 107 | MATRIX_KEY(0x00, 0x08, KEY_9) |
| 108 | >; |
| 109 | }; |
| 110 | }; |
| 111 | ... |