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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:36 +0000 |
commit | 50ba0232fd5312410f1b65247e774244f89a628e (patch) | |
tree | fd8f2fc78e9e548af0ff9590276602ee6125be00 /Documentation/devicetree/bindings/hwmon/gpio-fan.yaml | |
parent | Releasing progress-linux version 6.7.12-1~progress7.99u1. (diff) | |
download | linux-50ba0232fd5312410f1b65247e774244f89a628e.tar.xz linux-50ba0232fd5312410f1b65247e774244f89a628e.zip |
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon/gpio-fan.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/gpio-fan.yaml | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/gpio-fan.yaml b/Documentation/devicetree/bindings/hwmon/gpio-fan.yaml new file mode 100644 index 0000000000..7f30cfc873 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/gpio-fan.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/gpio-fan.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Fan connected to GPIO lines + +maintainers: + - Rob Herring <robh@kernel.org> + +properties: + compatible: + const: gpio-fan + + gpios: + description: | + Specifies the pins that map to bits in the control value, + ordered MSB-->LSB. + minItems: 1 + maxItems: 7 + + alarm-gpios: + maxItems: 1 + + gpio-fan,speed-map: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + minItems: 2 + maxItems: 127 + items: + items: + - description: fan speed in RPMs + - description: control value + description: | + A mapping of possible fan RPM speeds and the + control value that should be set to achieve them. This array + must have the RPM values in ascending order. + + '#cooling-cells': + const: 2 + +required: + - compatible + - gpios + - gpio-fan,speed-map + +additionalProperties: false + +examples: + - | + gpio-fan { + compatible = "gpio-fan"; + gpios = <&gpio2 14 1 + &gpio2 13 1>; + gpio-fan,speed-map = < 0 0>, + <3000 1>, + <6000 2>; + alarm-gpios = <&gpio2 15 1>; + #cooling-cells = <2>; /* min followed by max */ + }; |