122 lines
2.9 KiB
YAML
122 lines
2.9 KiB
YAML
# 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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$id: http://devicetree.org/schemas/input/samsung,s3c6410-keypad.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Samsung SoC series Keypad Controller
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description:
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Samsung SoC Keypad controller is used to interface a SoC with a matrix-type
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keypad device. The keypad controller supports multiple row and column lines.
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A key can be placed at each intersection of a unique row and a unique column.
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The keypad controller can sense a key-press and key-release and report the
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event using a interrupt to the cpu.
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maintainers:
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- Krzysztof Kozlowski <krzk@kernel.org>
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properties:
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compatible:
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enum:
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- samsung,s3c6410-keypad
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- samsung,s5pv210-keypad
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: keypad
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interrupts:
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maxItems: 1
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wakeup-source: true
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linux,input-no-autorepeat:
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type: boolean
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description:
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Do no enable autorepeat feature.
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linux,input-wakeup:
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type: boolean
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deprecated: true
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samsung,keypad-num-columns:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Number of column lines connected to the keypad controller.
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samsung,keypad-num-rows:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Number of row lines connected to the keypad controller.
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patternProperties:
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'^key-[0-9a-z]+$':
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type: object
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$ref: input.yaml#
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additionalProperties: false
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description:
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Each key connected to the keypad controller is represented as a child
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node to the keypad controller device node.
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properties:
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keypad,column:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: The column number to which the key is connected.
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keypad,row:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: The row number to which the key is connected.
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linux,code: true
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required:
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- keypad,column
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- keypad,row
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- linux,code
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required:
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- compatible
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- reg
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- interrupts
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- samsung,keypad-num-columns
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- samsung,keypad-num-rows
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/exynos4.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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keypad@100a0000 {
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compatible = "samsung,s5pv210-keypad";
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reg = <0x100a0000 0x100>;
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interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clock CLK_KEYIF>;
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clock-names = "keypad";
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samsung,keypad-num-rows = <2>;
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samsung,keypad-num-columns = <8>;
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linux,input-no-autorepeat;
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wakeup-source;
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key-1 {
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keypad,row = <0>;
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keypad,column = <3>;
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linux,code = <2>;
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};
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key-2 {
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keypad,row = <0>;
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keypad,column = <4>;
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linux,code = <3>;
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};
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};
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