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42d3f278d5
Each key device node might have interrupts-extended instead of
interrupts property:
fsl-ls1028a-kontron-sl28-var1.dtb: buttons0: power-button: 'anyOf' conditional failed, one must be fixed:
'interrupts' is a required property
'gpios' is a required property
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220705120356.94876-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
143 lines
3.4 KiB
YAML
143 lines
3.4 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/input/gpio-keys.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Device-Tree bindings for GPIO attached keys
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maintainers:
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- Rob Herring <robh@kernel.org>
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properties:
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compatible:
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enum:
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- gpio-keys
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- gpio-keys-polled
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autorepeat: true
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label:
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description: Name of entire device
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poll-interval: true
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patternProperties:
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"^(button|event|key|switch|(button|event|key|switch)-[a-z0-9-]+|[a-z0-9-]+-(button|event|key|switch))$":
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$ref: input.yaml#
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properties:
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gpios:
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maxItems: 1
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interrupts:
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maxItems: 1
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label:
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description: Descriptive name of the key.
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linux,code:
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description: Key / Axis code to emit.
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linux,input-type:
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default: 1 # EV_KEY
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linux,input-value:
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description: |
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If linux,input-type is EV_ABS or EV_REL then this
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value is sent for events this button generates when pressed.
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EV_ABS/EV_REL axis will generate an event with a value of 0
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when all buttons with linux,input-type == type and
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linux,code == axis are released. This value is interpreted
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as a signed 32 bit value, e.g. to make a button generate a
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value of -1 use:
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linux,input-value = <0xffffffff>; /* -1 */
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$ref: /schemas/types.yaml#/definitions/uint32
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debounce-interval:
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description:
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Debouncing interval time in milliseconds. If not specified defaults to 5.
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$ref: /schemas/types.yaml#/definitions/uint32
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default: 5
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wakeup-source:
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description: Button can wake-up the system.
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wakeup-event-action:
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description: |
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Specifies whether the key should wake the system when asserted, when
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deasserted, or both. This property is only valid for keys that wake up the
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system (e.g., when the "wakeup-source" property is also provided).
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Supported values are defined in linux-event-codes.h:
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EV_ACT_ANY - both asserted and deasserted
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EV_ACT_ASSERTED - asserted
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EV_ACT_DEASSERTED - deasserted
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [0, 1, 2]
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linux,can-disable:
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description:
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Indicates that button is connected to dedicated (not shared) interrupt
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which can be disabled to suppress events from the button.
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type: boolean
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required:
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- linux,code
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anyOf:
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- required:
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- interrupts
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- required:
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- interrupts-extended
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- required:
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- gpios
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dependencies:
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wakeup-event-action: [ wakeup-source ]
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linux,input-value: [ gpios ]
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unevaluatedProperties: false
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allOf:
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- $ref: input.yaml#
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- if:
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properties:
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compatible:
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const: gpio-keys-polled
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then:
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required:
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- poll-interval
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else:
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properties:
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poll-interval: false
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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gpio-keys {
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compatible = "gpio-keys";
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autorepeat;
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key-up {
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label = "GPIO Key UP";
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linux,code = <103>;
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gpios = <&gpio1 0 1>;
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};
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key-down {
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label = "GPIO Key DOWN";
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linux,code = <108>;
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interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
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};
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};
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...
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