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