Based on kernel version 6.13
. Page generated on 2025-01-21 08:20 EST
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 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 */ }; |