On Thu, May 28, 2020 at 07:37:55PM +0900, Steve Lee wrote:
> Add DT binding of max98390 amplifier driver.
> 
> Signed-off-by: Steve Lee <steves....@maximintegrated.com>
> ---
> Changed since V5:
>       * Change txt to yaml and fix up the examples.
> Changed since V4:
>       * No changes.
> Changed since V3:
>       * No changes.
> Changed since V2:
>       * No changes.
> Changed since V1:
>       * Modified sample text in example
> 
>  .../bindings/sound/maxim,max98390.yaml        | 39 +++++++++++++++++++
>  1 file changed, 39 insertions(+)
>  create mode 100644 
> Documentation/devicetree/bindings/sound/maxim,max98390.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/maxim,max98390.yaml 
> b/Documentation/devicetree/bindings/sound/maxim,max98390.yaml
> new file mode 100644
> index 000000000000..1ed4ab9e1c37
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/maxim,max98390.yaml
> @@ -0,0 +1,39 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/maxim,max98390.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim Integrated MAX98390 Speaker Amplifier with Integrated Dynamic 
> Speaker Management
> +
> +maintainers:
> +  - Steve Lee <steves....@maximintegrated.com>
> +
> +properties:
> +  compatible:
> +      const: maxim,max98390
> +
> +  reg:
> +    maxItems: 1
> +    description: I2C address of the device.
> +
> +  temperature_calib:

s/_/-/

And missing 'maxim' prefix.

> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: The calculated temperature data was measured while doing 
> the calibration. Data : Temp / 100 * 2^12

Any constraints? 0-2^32 are valid values?

> +
> +  r0_calib:

Same here.

> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: This is r0 calibration data which was measured in factory 
> mode.
> +
> +required:
> +  - compatible
> +  - reg

Add:

additionalProperties: false

> +
> +examples:
> +  - |
> +    max98390: amplifier@38 {
> +            compatible = "maxim,max98390";
> +            reg = <0x38>;
> +            maxim,temperature_calib = <1024>;
> +            maxim,r0_calib = <100232>;
> +    };
> -- 
> 2.17.1
> 

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