Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
64 lines
1.4 KiB
YAML
64 lines
1.4 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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$id: http://devicetree.org/schemas/hwmon/gpio-fan.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Fan connected to GPIO lines
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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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const: gpio-fan
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gpios:
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description: |
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Specifies the pins that map to bits in the control value,
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ordered MSB-->LSB.
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minItems: 1
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maxItems: 7
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alarm-gpios:
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maxItems: 1
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fan-supply:
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description: Power supply for fan
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gpio-fan,speed-map:
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$ref: /schemas/types.yaml#/definitions/uint32-matrix
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minItems: 2
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maxItems: 127
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items:
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items:
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- description: fan speed in RPMs
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- description: control value
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description: |
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A mapping of possible fan RPM speeds and the
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control value that should be set to achieve them. This array
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must have the RPM values in ascending order.
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'#cooling-cells':
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const: 2
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required:
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- compatible
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- gpios
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- gpio-fan,speed-map
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additionalProperties: false
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examples:
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- |
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gpio-fan {
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compatible = "gpio-fan";
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gpios = <&gpio2 14 1
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&gpio2 13 1>;
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gpio-fan,speed-map = < 0 0>,
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<3000 1>,
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<6000 2>;
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alarm-gpios = <&gpio2 15 1>;
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#cooling-cells = <2>; /* min followed by max */
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};
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