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The 'resin' keys (usually connected to a volume-down button) are generally not supposed to wake up the device from suspend, so explicitly document a wakeup-source property to enable this wakeup behavior. For 'pwrkey' the default stays that pressing the button does wake up the device from suspend. Signed-off-by: Luca Weiss <luca@lucaweiss.eu> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20250909-resin-wakeup-v1-1-46159940e02b@lucaweiss.eu Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
66 lines
1.5 KiB
YAML
66 lines
1.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/input/qcom,pm8941-pwrkey.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm PM8941 PMIC Power Key
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maintainers:
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- Courtney Cavin <courtney.cavin@sonymobile.com>
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- Vinod Koul <vkoul@kernel.org>
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properties:
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compatible:
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enum:
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- qcom,pm8941-pwrkey
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- qcom,pm8941-resin
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- qcom,pmk8350-pwrkey
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- qcom,pmk8350-resin
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interrupts:
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maxItems: 1
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debounce:
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description:
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Time in microseconds that key must be pressed or released for state
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change interrupt to trigger.
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$ref: /schemas/types.yaml#/definitions/uint32
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bias-pull-up:
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description:
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Presence of this property indicates that the KPDPWR_N pin should be
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configured for pull up.
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$ref: /schemas/types.yaml#/definitions/flag
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wakeup-source:
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description:
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Button can wake-up the system. Only applicable for 'resin', 'pwrkey'
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always wakes the system by default.
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linux,code:
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description:
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The input key-code associated with the power key. Use the linux event
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codes defined in include/dt-bindings/input/linux-event-codes.h.
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When property is omitted KEY_POWER is assumed.
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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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contains:
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enum:
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- qcom,pm8941-pwrkey
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- qcom,pmk8350-pwrkey
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then:
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properties:
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wakeup-source: false
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required:
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- compatible
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- interrupts
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unevaluatedProperties: false
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...
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