linux-kernel - Re: [PATCH 5/7] dt-bindings: counter: Update TI eQEP binding

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Message-ID: <e58ff9ee-b050-4ad8-a060-dc0e33cc4896@ti.com>
Date: Mon, 22 Apr 2024 17:11:02 -0500
From: Judith Mendez <jm@...com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Catalin Marinas
	<catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        William Breathitt
 Gray <william.gray@...aro.org>
CC: David Lechner <david@...hnology.com>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>
Subject: Re: [PATCH 5/7] dt-bindings: counter: Update TI eQEP binding

On 4/19/24 8:55 AM, Krzysztof Kozlowski wrote:
> On 19/04/2024 00:14, Judith Mendez wrote:
>> Update eQEP binding for TI K3 devices.
> 
> Here and in subject: everything is an update. Be specific.
> 
> A nit, subject: drop second/last, redundant "binding". The "dt-bindings"
> prefix is already stating that these are bindings.
> See also:
> https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18

Will fix, thanks.

> 
>>
>> Signed-off-by: Judith Mendez <jm@...com>
>> ---
>>   Documentation/devicetree/bindings/counter/ti-eqep.yaml | 10 +++++++---
>>   1 file changed, 7 insertions(+), 3 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/counter/ti-eqep.yaml b/Documentation/devicetree/bindings/counter/ti-eqep.yaml
>> index 85f1ff83afe72..11755074c8a91 100644
>> --- a/Documentation/devicetree/bindings/counter/ti-eqep.yaml
>> +++ b/Documentation/devicetree/bindings/counter/ti-eqep.yaml
>> @@ -14,19 +14,23 @@ properties:
>>       const: ti,am3352-eqep
>>   
>>     reg:
>> -    maxItems: 1
>> +    minItems: 1
>> +    maxItems: 2
> 
> Why? This must be constrained. Devices either have 1 or 2, no both at
> the same time.

Will fix for v2.

> 
>>   
>>     interrupts:
>>       description: The eQEP event interrupt
>>       maxItems: 1
>>   
>>     clocks:
>> -    description: The clock that determines the SYSCLKOUT rate for the eQEP
>> +    description: The clock that determines the clock rate for the eQEP
>>         peripheral.
>>       maxItems: 1
>>   
>>     clock-names:
>> -    const: sysclkout
>> +    maxItems: 1
> 
> NAK. That's just wrong, not explained at all either.
> 

The intention was to make the binding a bit more generic, but I see
that is not the correct direction to go, thanks for the feedback.

~ Judith

> 
> Best regards,
> Krzysztof
> 
>