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Message-ID: <4f722e53-011f-4176-b6af-080522165007@kernel.org>
Date: Wed, 22 May 2024 16:16:51 +0200
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Subject: Re: [PATCH v5] ASoC: dt-bindings: omap-mcpdm: Convert to DT schema
To: =?UTF-8?Q?P=C3=A9ter_Ujfalusi?= <peter.ujfalusi@gmail.com>,
 Mighty <bavishimithil@gmail.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>,
 Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>,
 Conor Dooley <conor+dt@kernel.org>, Lopez Cruz <misael.lopez@ti.com>,
 linux-sound@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org
References: <20240522075245.388-1-bavishimithil@gmail.com>
 <0594944d-c158-4840-8724-b3f2edaab1ca@gmail.com>
From: Krzysztof Kozlowski <krzk@kernel.org>
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In-Reply-To: <0594944d-c158-4840-8724-b3f2edaab1ca@gmail.com>
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On 22/05/2024 15:56, Péter Ujfalusi wrote:
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupts
>> +  - ti,hwmods
>> +  - clocks
>> +  - clock-names
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
>> +    pdm@40132000 {
> 
> The original label and name is preferred to be used.

Label is not used here.

About node name, not:

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


> 
>> +      compatible = "ti,omap4-mcpdm";
>> +      reg = <0x40132000 0x7f>, /* MPU private access */
>> +            <0x49032000 0x7f>; /* L3 Interconnect */
>> +      interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
>> +      interrupt-parent = <&gic>;
>> +      ti,hwmods = "mcpdm";
>> +      clocks = <&twl6040>;
>> +      clock-names = "pdmclk";
> 
> The clocks cannot be added at the time when the node is defined, it is
> board specific. This way you imply that it is OK to have it in main dtsi
> file. It is not.

Wait, what? That's example and pretty standard. Example should be
complete. This is not an exceptional binding.

Best regards,
Krzysztof