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>
85 lines
1.5 KiB
YAML
85 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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$id: http://devicetree.org/schemas/hwmon/maxim,max31790.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: The Maxim MAX31790 Fan Controller
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maintainers:
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- Guenter Roeck <linux@roeck-us.net>
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- Chanh Nguyen <chanh@os.amperecomputing.com>
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description: >
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The MAX31790 controls the speeds of up to six fans using six
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independent PWM outputs. The desired fan speeds (or PWM duty cycles)
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are written through the I2C interface.
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Datasheets:
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https://datasheets.maximintegrated.com/en/ds/MAX31790.pdf
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properties:
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compatible:
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enum:
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- maxim,max31785
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- maxim,max31785a
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- maxim,max31785b
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- maxim,max31790
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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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resets:
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maxItems: 1
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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"#pwm-cells":
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const: 1
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patternProperties:
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"^fan@[0-9]+$":
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$ref: fan-common.yaml#
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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pwm_provider: fan-controller@20 {
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compatible = "maxim,max31790";
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reg = <0x20>;
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clocks = <&sys_clk>;
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resets = <&reset 0>;
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#address-cells = <1>;
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#pwm-cells = <1>;
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#size-cells = <0>;
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fan@0 {
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reg = <0x0>;
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pwms = <&pwm_provider 1>;
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};
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fan@1 {
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reg = <0x1>;
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pwms = <&pwm_provider 2>;
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};
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};
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};
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