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| author | Naresh Solanki <naresh.solanki@9elements.com> | 2024-05-28 14:51:21 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-05-30 00:28:23 +0200 |
| commit | d3b2cfb42e2bfcda3e4a0e7ac0fca68b7de5e508 (patch) | |
| tree | fe8b5d4c7d3970a23c184ba8819fd7a1e56a7de6 | |
| parent | hwmon: (nct6683) Display warning when enabling driver for unknown customer (diff) | |
| download | linux-d3b2cfb42e2bfcda3e4a0e7ac0fca68b7de5e508.tar.xz linux-d3b2cfb42e2bfcda3e4a0e7ac0fca68b7de5e508.zip | |
dt-bindings: hwmon: Add max6639
Add Devicetree binding documentation for Maxim MAX6639 temperature
monitor with PWM fan-speed controller.
Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240528125122.1129986-1-naresh.solanki@9elements.com
[groeck: Dropped unnecessary '|' after description:]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml b/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml new file mode 100644 index 000000000000..4f5837a30773 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/hwmon/maxim,max6639.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim max6639 + +maintainers: + - Naresh Solanki <naresh.solanki@9elements.com> + +description: | + The MAX6639 is a 2-channel temperature monitor with dual, automatic, PWM + fan-speed controller. It monitors its own temperature and one external + diode-connected transistor or the temperatures of two external diode-connected + transistors, typically available in CPUs, FPGAs, or GPUs. + + Datasheets: + https://datasheets.maximintegrated.com/en/ds/MAX6639-MAX6639F.pdf + +properties: + compatible: + enum: + - maxim,max6639 + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + '#pwm-cells': + const: 3 + +required: + - compatible + - reg + +patternProperties: + "^fan@[0-1]$": + type: object + description: + Represents the two fans and their specific configuration. + + $ref: fan-common.yaml# + + unevaluatedProperties: false + + properties: + reg: + description: + The fan number. + + required: + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + fan1: fan-controller@10 { + compatible = "maxim,max6639"; + reg = <0x10>; + #address-cells = <1>; + #size-cells = <0>; + #pwm-cells = <3>; + + fan@0 { + reg = <0x0>; + pulses-per-revolution = <2>; + max-rpm = <4000>; + target-rpm = <1000>; + pwms = <&fan1 0 25000 0>; + }; + + fan@1 { + reg = <0x1>; + pulses-per-revolution = <2>; + max-rpm = <8000>; + pwms = <&fan1 1 25000 0>; + }; + }; + }; +... |