linux-kernel - Re: [PATCH v2 01/10] dt-bindings: soc: mobileye: set `#clock-cells = <1>` for all compatibles

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Message-ID: <173099471894.2769888.8233833580662075395.robh@kernel.org>
Date: Thu, 7 Nov 2024 09:51:59 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Théo Lebrun <theo.lebrun@...tlin.com>
Cc: devicetree@...r.kernel.org, Michael Turquette <mturquette@...libre.com>,
	linux-mips@...r.kernel.org, linux-clk@...r.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Grégory Clement <gregory.clement@...tlin.com>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Stephen Boyd <sboyd@...nel.org>, linux-kernel@...r.kernel.org,
	Tawfik Bayouk <tawfik.bayouk@...ileye.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>
Subject: Re: [PATCH v2 01/10] dt-bindings: soc: mobileye: set `#clock-cells =
 <1>` for all compatibles


On Wed, 06 Nov 2024 17:03:52 +0100, Théo Lebrun wrote:
> Some compatibles expose a single clock. For those, we used to let them
> using `#clock-cells = <0>` (ie <&olb> reference rather than <&olb 0>).
> 
> Switch away from that: enforce a cell for all compatibles. This is more
> straight forward, and avoids devicetree changes whenever a compatible
> goes from exposing a single clock to multiple ones. Also, dt-bindings
> get simpler.
> 
> *This is an ABI break*. Change it while EyeQ5 platform support is at its
> infancy, without any user. More clocks might hide in each OLB as some
> registers are still unknown.
> 
> Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
> ---
>  .../bindings/soc/mobileye/mobileye,eyeq5-olb.yaml  | 24 +---------------------
>  1 file changed, 1 insertion(+), 23 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>