Re: [PATCH v1 3/6] dt-bindings: hwmon: Add hpe,gxp-fan-ctrl

[Krzysztof Kozlowski]

On 04/11/2022 20:36, nick.hawkins@xxxxxxx wrote:
> From: Nick Hawkins <nick.hawkins@xxxxxxx>
> 
> This provides the base registers address, programmable logic registers
> address, and the function 2 registers to allow control access of the HPE
> fans on the GXP SoC.

What is "This"? If "This patch", then drop it.
https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95

If "This hardware" then please instead describe the hardware, not it
components. What are its features? If it controls the fan, then why
there are no PWM-related cells? How do you set the speed?

> 
> Signed-off-by: Nick Hawkins <nick.hawkins@xxxxxxx>
> ---
>  .../bindings/hwmon/hpe,gxp-fan-ctrl.yaml      | 41 +++++++++++++++++++
>  1 file changed, 41 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml b/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml
> new file mode 100644
> index 000000000000..40a5d9cd0a30
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml
> @@ -0,0 +1,41 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/hpe,gxp-fan-ctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: GXP Fan Controller
> +
> +maintainers:
> +  - Nick Hawkins <nick.hawkins@xxxxxxx>
> +
> +properties:
> +  compatible:
> +    const: hpe,gxp-fan-ctrl
> +
> +  reg:
> +    items:
> +      - description: Fan controller base register
> +      - description: Programmable logic registers base
> +      - description: Function 2 registers base

Drop "register" and "base" from all descriptions

> +
> +  reg-names:
> +    items:
> +      - const: base
> +      - const: plreg

Drop reg suffix

> +      - const: fn2reg

Drop reg suffix

> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    fanctrl@1000c00 {

fan-controller

> +      compatible = "hpe,gxp-fan-ctrl";
> +      reg = <0x1000c00 0x200>, <0xd1000000 0xff>, <0x80200000 0x100000>;
> +      reg-names = "base", "plreg", "fn2reg";
> +    };

Best regards,
Krzysztof