Re: [PATCH v3 1/3] dt-bindings: hwmon: g762: Convert to yaml schema

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On Thu, May 30, 2024 at 11:16:50PM +0200, Christian Marangi wrote:
> Convert g762 Documentation to yaml schema and port all the custom
> properties and info.
> 
> Add the vendor prefix to name to follow naming standard.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
> ---
> Changes v3:
> - Rename yaml to g762 from g76x
> 
>  .../devicetree/bindings/hwmon/g762.txt        | 47 -----------
>  .../devicetree/bindings/hwmon/gmt,g762.yaml   | 83 +++++++++++++++++++
>  2 files changed, 83 insertions(+), 47 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/hwmon/g762.txt
>  create mode 100644 Documentation/devicetree/bindings/hwmon/gmt,g762.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/g762.txt b/Documentation/devicetree/bindings/hwmon/g762.txt
> deleted file mode 100644
> index 6d154c4923de..000000000000
> --- a/Documentation/devicetree/bindings/hwmon/g762.txt
> +++ /dev/null
> @@ -1,47 +0,0 @@
> -GMT G762/G763 PWM Fan controller
> -
> -Required node properties:
> -
> - - "compatible": must be either "gmt,g762" or "gmt,g763"
> - - "reg": I2C bus address of the device
> - - "clocks": a fixed clock providing input clock frequency
> -	     on CLK pin of the chip.
> -
> -Optional properties:
> -
> - - "fan_startv": fan startup voltage. Accepted values are 0, 1, 2 and 3.
> -	       The higher the more.
> -
> - - "pwm_polarity": pwm polarity. Accepted values are 0 (positive duty)
> -	       and 1 (negative duty).
> -
> - - "fan_gear_mode": fan gear mode. Supported values are 0, 1 and 2.
> -
> -If an optional property is not set in .dts file, then current value is kept
> -unmodified (e.g. u-boot installed value).
> -
> -Additional information on operational parameters for the device is available
> -in Documentation/hwmon/g762.rst. A detailed datasheet for the device is available
> -at http://natisbad.org/NAS/refs/GMT_EDS-762_763-080710-0.2.pdf.
> -
> -Example g762 node:
> -
> -   clocks {
> -	#address-cells = <1>;
> -	#size-cells = <0>;
> -
> -	g762_clk: fixedclk {
> -		 compatible = "fixed-clock";
> -		 #clock-cells = <0>;
> -		 clock-frequency = <8192>;
> -	}
> -   }
> -
> -   g762: g762@3e {
> -	compatible = "gmt,g762";
> -	reg = <0x3e>;
> -	clocks = <&g762_clk>
> -	fan_gear_mode = <0>; /* chip default */
> -	fan_startv = <1>;    /* chip default */
> -	pwm_polarity = <0>;  /* chip default */
> -   };
> diff --git a/Documentation/devicetree/bindings/hwmon/gmt,g762.yaml b/Documentation/devicetree/bindings/hwmon/gmt,g762.yaml
> new file mode 100644
> index 000000000000..8c179cbbc65c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/gmt,g762.yaml
> @@ -0,0 +1,83 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/gmt,g762.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: GMT G762/G763 PWM Fan controller
> +
> +maintainers:
> +  - Christian Marangi <ansuelsmth@xxxxxxxxx>
> +
> +description: |
> +  GMT G762/G763 PWM Fan controller.
> +
> +  If an optional property is not set in DT, then current value is kept
> +  unmodified (e.g. bootloader installed value).
> +
> +  Additional information on operational parameters for the device is available
> +  in Documentation/hwmon/g762.rst. A detailed datasheet for the device is available
> +  at http://natisbad.org/NAS/refs/GMT_EDS-762_763-080710-0.2.pdf.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - gmt,g762
> +      - gmt,g763
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    description: a fixed clock providing input clock frequency on CLK
> +      pin of the chip.
> +    maxItems: 1
> +
> +  fan_startv:
> +    description: Fan startup voltage step
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [0, 1, 2, 3]
> +
> +  pwm_polarity:
> +    description: PWM polarity (psotivie or negative duty)

typo

> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [0, 1]
> +
> +  fan_gear_mode:
> +    description: FAN gear mode. Configure High speed fan setting factor
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [0, 1, 2]
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clocks {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        g762_clk: fixedclk {
> +            compatible = "fixed-clock";
> +            #clock-cells = <0>;
> +            clock-frequency = <8192>;
> +        };

Drop. Providers are outside the scope of bindings.

With that,

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>




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