linux-kernel - Re: [PATCH 01/13] dt-bindings: i2c: nomadik: add timeout-usecs property bindings

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Date: Thu, 15 Feb 2024 20:27:04 -0600
From: Rob Herring <robh@...nel.org>
To: Théo Lebrun <theo.lebrun@...tlin.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Andi Shyti <andi.shyti@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mips@...r.kernel.org,
	Gregory Clement <gregory.clement@...tlin.com>,
	Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Tawfik Bayouk <tawfik.bayouk@...ileye.com>
Subject: Re: [PATCH 01/13] dt-bindings: i2c: nomadik: add timeout-usecs
 property bindings

On Thu, Feb 15, 2024 at 05:52:08PM +0100, Théo Lebrun wrote:
> Expose I2C device timeout configuration from devicetree. Use µs as time
> unit and express it in the name.
> 
> Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
> ---
>  Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
> index 16024415a4a7..e6b95e3765ac 100644
> --- a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
> @@ -70,6 +70,10 @@ properties:
>      minimum: 1
>      maximum: 400000
>  
> +  timeout-usecs:

Use standard unit suffixes.

We already have at least 2 device specific timeout properties. This one 
should be common. That means you need to add it to i2c-controller.yaml 
in dtschema. GH PR or patch to devicetree-spec list is fine.

Rob