linux-kernel - Re: [PATCH v5 1/2] dt-bindings: cpufreq: add virtual cpufreq device

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Date: Mon, 5 Feb 2024 16:39:41 +0000
From: Rob Herring <robh@...nel.org>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Saravana Kannan <saravanak@...gle.com>, David Dai <davidai@...gle.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sudeep Holla <sudeep.holla@....com>,
	Quentin Perret <qperret@...gle.com>,
	Masami Hiramatsu <mhiramat@...gle.com>,
	Will Deacon <will@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Pavan Kondeti <quic_pkondeti@...cinc.com>,
	Gupta Pankaj <pankaj.gupta@....com>, Mel Gorman <mgorman@...e.de>,
	kernel-team@...roid.com, linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/2] dt-bindings: cpufreq: add virtual cpufreq device

On Mon, Feb 05, 2024 at 02:08:30PM +0530, Viresh Kumar wrote:
> On 02-02-24, 09:53, Rob Herring wrote:
> > On Wed, Jan 31, 2024 at 10:23:03AM -0800, Saravana Kannan wrote:
> > > We also need the OPP tables to indicate which CPUs are part of the
> > > same cluster, etc. Don't want to invent a new "protocol" and just use
> > > existing DT bindings.
> > 
> > Topology binding is for that.
> 
> This one, right ?
> 
> Documentation/devicetree/bindings/dvfs/performance-domain.yaml

No, Documentation/devicetree/bindings/cpu/cpu-topology.txt (or the 
schema version of it in dtschema)

Rob