Re: [PATCH v3 1/2] dt-bindings: hwmon: Add MAX6639

From: Guenter Roeck
Date: Thu Aug 10 2023 - 00:01:31 EST


On Thu, Aug 03, 2023 at 04:43:59PM +0200, Naresh Solanki wrote:
> From: Marcello Sylvester Bauer <sylv@xxxxxxx>
>
> Add binding documentation for Maxim MAX6639 fan-speed controller.
>
> Signed-off-by: Marcello Sylvester Bauer <sylv@xxxxxxx>
> Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Applied to hwmon-next.

Thanks,
Guenter

> ---
> Changes in V3:
> - Update title
> - Add pulses-per-revolution, supplies & interrupts
> Changes in V2:
> - Update subject
> - Drop blank lines
> ---
> .../bindings/hwmon/maxim,max6639.yaml | 60 +++++++++++++++++++
> 1 file changed, 60 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml
>
>
> base-commit: cb7022b8976e3c4d12cea2e7bb820a2944e2fd7b
>
> diff --git a/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml b/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml
> new file mode 100644
> index 000000000000..b3292061ca58
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml
> @@ -0,0 +1,60 @@
> +# 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 Fan Controller
> +
> +maintainers:
> + - Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx>
> +
> +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
> +
> + fan-supply:
> + description: Phandle to the regulator that provides power to the fan.
> +
> + interrupts:
> + maxItems: 1
> +
> + pulses-per-revolution:
> + description:
> + Define the number of pulses per fan revolution for each tachometer
> + input as an integer.
> + $ref: /schemas/types.yaml#/definitions/uint32
> + enum: [1, 2, 3, 4]
> + default: 2
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + fan-controller@10 {
> + compatible = "maxim,max6639";
> + reg = <0x10>;
> + };
> + };
> +...