| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/input/ti,tca8418.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: TI TCA8418 I2C/SMBus keypad scanner |
| |
| maintainers: |
| - Frank Li <Frank.Li@nxp.com> |
| |
| properties: |
| compatible: |
| enum: |
| - ti,tca8418 |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| |
| allOf: |
| - $ref: matrix-keymap.yaml# |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/input/input.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| |
| i2c { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| keypad@34 { |
| compatible = "ti,tca8418"; |
| reg = <0x34>; |
| interrupt-parent = <&gpio5>; |
| interrupts = <11 IRQ_TYPE_EDGE_FALLING>; |
| keypad,num-rows = <4>; |
| keypad,num-columns = <4>; |
| linux,keymap = < MATRIX_KEY(0x00, 0x01, BTN_0) |
| MATRIX_KEY(0x00, 0x00, BTN_1) |
| MATRIX_KEY(0x01, 0x01, BTN_2) |
| MATRIX_KEY(0x01, 0x00, BTN_3) |
| MATRIX_KEY(0x02, 0x00, BTN_4) |
| MATRIX_KEY(0x00, 0x03, BTN_5) |
| MATRIX_KEY(0x00, 0x02, BTN_6) |
| MATRIX_KEY(0x01, 0x03, BTN_7) |
| MATRIX_KEY(0x01, 0x02, BTN_8) |
| MATRIX_KEY(0x02, 0x02, BTN_9) |
| >; |
| }; |
| }; |
