linux-kernel - Re: [PATCH] dt-bindings: sound:atmel-at91sam9g20ek: convert bindings to json-schema

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Date: Fri, 23 Feb 2024 09:27:26 +0000
From: <Balakrishnan.S@...rochip.com>
To: <robh@...nel.org>
CC: <claudiu.beznea@...on.dev>, <lgirdwood@...il.com>, <broonie@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
	<Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
	<alsa-devel@...a-project.org>, <linux-sound@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: sound:atmel-at91sam9g20ek: convert bindings
 to json-schema

Hi Rob,

On 14/02/24 7:28 pm, Rob Herring wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Wed, Feb 14, 2024 at 12:10:06PM +0530, Balakrishnan Sambath wrote:
>> Convert atmel-at91sam9g20ek-wm8731-audio DT binding to yaml
>> based json-schema.Change file name to match json-scheme naming.
>>
>> Signed-off-by: Balakrishnan Sambath <balakrishnan.s@...rochip.com>
>> ---
>>   .../bindings/sound/atmel,at91sam9g20ek-wm8731.yaml | 60 ++++++++++++++++++++++
>>   .../sound/atmel-at91sam9g20ek-wm8731-audio.txt     | 26 ----------
>>   2 files changed, 60 insertions(+), 26 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/sound/atmel,at91sam9g20ek-wm8731.yaml b/Documentation/devicetree/bindings/sound/atmel,at91sam9g20ek-wm8731.yaml
>> new file mode 100644
>> index 000000000000..f6330707fe1b
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/sound/atmel,at91sam9g20ek-wm8731.yaml
>> @@ -0,0 +1,60 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/sound/atmel,at91sam9g20ek-wm8731.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Atmel at91sam9g20ek wm8731 audio complex
>> +
>> +maintainers:
>> +  - Balakrishnan Sambath <balakrishnan.s@...rochip.com>
>> +
>> +properties:
>> +  compatible:
>> +    const: atmel,at91sam9g20ek-wm8731-audio
>> +
>> +  atmel,model:
>> +    $ref: /schemas/types.yaml#/definitions/string
>> +    description: The user-visible name of this sound complex.
> 
> blank line between DT properties
> 
sure, thanks for pointing it out. I'll fix this in v2
>> +  atmel,audio-routing:
>> +    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
>> +    description: A list of the connections between audio components.
>> +    minItems: 2
> 
> No max?
> 

Here, there's no explicit constraint on the maximum number of items, so 
I only enforced minItems. Please let me know if I'm doing something wrong.

>> +    items:
>> +      enum:
>> +        # Board Connectors
>> +        - "Ext Spk"
>> +        - "Int MIC"
>> +
>> +        # CODEC Pins
>> +        - LHPOUT
>> +        - MICIN
>> +  atmel,ssc-controller:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description: The phandle of the SSC controller
>> +  atmel,audio-codec:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description: The phandle of WM8731 audio codec
>> +
>> +required:
>> +  - compatible
>> +  - atmel,model
>> +  - atmel,audio-routing
>> +  - atmel,ssc-controller
>> +  - atmel,audio-codec
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    sound {
>> +        compatible = "atmel,at91sam9g20ek-wm8731-audio";
>> +        pinctrl-names = "default";
>> +        pinctrl-0 = <&pinctrl_pck0_as_mck>;
>> +        atmel,model = "wm8731 @ AT91SAMG20EK";
>> +        atmel,audio-routing =
>> +            "Ext Spk", "LHPOUT",
>> +            "Int MIC", "MICIN";
>> +        atmel,ssc-controller = <&ssc0>;
>> +        atmel,audio-codec = <&wm8731>;
>> +    };

-- 
Best regards,
Balakrishnan S