linux-kernel - Re: [PATCH v2 1/2] ASoC: dt-bindings: Added schema for "nuvoton,nau8325"

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Message-ID: <b5756bea-c65e-4bdc-b7d2-a2ef3511fc74@nuvoton.com>
Date: Fri, 1 Mar 2024 14:26:38 +0800
From: WTLI <wtli@...oton.com>
To: Rob Herring <robh@...nel.org>
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"


Rob Herring 於 2/22/2024 10:16 PM 寫道:
> CAUTION - External Email: Do not click links or open attachments unless you acknowledge the sender and content.
>
>
> 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.

okay, thanks.

>
>> 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.

okay, I will 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.

okay, I will use standard unit suffixes.

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

yes, this is Volts.

>
>> +      - VDDA*1.5/1.8V
> Volts/Volts
>
> So 2 different units?

Both units are volts. I will modify the enum definition.

>
>> +      - 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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