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

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Date: Fri, 19 Apr 2024 15:55:56 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Judith Mendez <jm@...com>, 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 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

> 
> 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.

>  
>    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.


Best regards,
Krzysztof