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Message-ID: <20240222141622.GA2748112-robh@kernel.org>
Date: Thu, 22 Feb 2024 07:16:22 -0700
From: Rob Herring <robh@...nel.org>
To: Seven Lee <wtli@...oton.com>
Cc: broonie@...nel.org, lgirdwood@...il.com, alsa-devel@...a-project.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	conor+dt@...nel.org, YHCHuang@...oton.com, KCHSU0@...oton.com,
	CTLIN0@...oton.com, SJLIN0@...oton.com, scott6986@...il.com,
	supercraig0719@...il.com, dardar923@...il.com
Subject: Re: [PATCH v2 1/2] ASoC: dt-bindings: Added schema for
 "nuvoton,nau8325"

On Thu, Feb 22, 2024 at 04:38:24PM +0800, Seven Lee wrote:
> Added a DT schema for describing nau8325 audio amplifiers.

Please test your bindings before sending.

> 
> Signed-off-by: Seven Lee <wtli@...oton.com>
> ---
>  .../bindings/sound/nuvoton,nau8325.yaml       | 82 +++++++++++++++++++
>  1 file changed, 82 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml
> new file mode 100644
> index 000000000000..fc72baf0bb7a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml
> @@ -0,0 +1,82 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/nuvoton,nau8325.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NAU8325 audio Amplifier
> +
> +maintainers:
> +  - Seven Lee <WTLI@...oton.com>
> +
> +allOf:
> +  - $ref: dai-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: nuvoton,nau8325
> +
> +  reg:
> +    maxItems: 1
> +
> +  nuvoton,vref-impedance:
> +    $ref: /schemas/types.yaml#/definitions/uint32

Use standard unit suffixes.

> +    description:
> +      VREF impedance selection.
> +    enum:
> +      - 0 # Open
> +      - 1 # 25kOhm
> +      - 2 # 125kOhm
> +      - 3 # 2.5kOhm
> +    default: 2
> +
> +  nuvoton,dac-vref:
> +    $ref: /schemas/types.yaml#/definitions/uint32

Use standard unit suffixes.

> +    description:
> +      DAC Reference Voltage Setting.
> +    enum:
> +      - VDDA

in Volts?

> +      - VDDA*1.5/1.8V

Volts/Volts

So 2 different units?

> +      - VDDA*1.6/1.8V
> +      - VDDA*1.7/1.8V
> +    default: 2
> +
> +  nuvoton,alc-enable:
> +    description:
> +      Enable digital automatic level control (ALC) function.
> +    type: boolean
> +
> +  nuvoton,clock-detection-disable:
> +    description:
> +      When clock detection is enabled, it will detect whether MCLK
> +      and FS are within the range. MCLK range is from 2.048MHz to 24.576MHz.
> +      FS range is from 8kHz to 96kHz.
> +    type: boolean
> +
> +  nuvoton,clock-det-data:
> +    description:
> +      Request clock detection to require 2048 non-zero samples before enabling
> +      the audio paths. If set then non-zero samples is required, otherwise it
> +      doesn't matter.
> +    type: boolean
> +
> +required:
> +  - compatible
> +  - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        codec@21 {
> +            compatible = "nuvoton,nau8325";
> +            reg = <0x21>;
> +            nuvoton,vref-impedance = <2>;
> +            nuvoton,dac-vref = <2>;
> +            nuvoton,alc-enable;
> +            nuvoton,clock-det-data;
> +        };
> +    };
> -- 
> 2.25.1
> 

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