linux-kernel - Re: [PATCH v3 09/13] dt-bindings: firmware: arm,scmi: Extend bindings for protocol@13

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Message-ID: <169443843853.1144377.15550246606474574952.robh@kernel.org>
Date:   Mon, 11 Sep 2023 08:20:40 -0500
From:   Rob Herring <robh@...nel.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Stephen Boyd <sboyd@...nel.org>,
        Prasad Sodagudi <psodagud@...cinc.com>,
        Nikunj Kela <nkela@...cinc.com>, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Viresh Kumar <vireshk@...nel.org>,
        Cristian Marussi <cristian.marussi@....com>,
        Conor Dooley <conor+dt@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        linux-kernel@...r.kernel.org, Nishanth Menon <nm@...com>
Subject: Re: [PATCH v3 09/13] dt-bindings: firmware: arm,scmi: Extend
 bindings for protocol@13


On Fri, 25 Aug 2023 13:26:29 +0200, Ulf Hansson wrote:
> The protocol@13 node is describing the performance scaling option for the
> ARM SCMI interface, as a clock provider. This is unnecessary limiting, as
> performance scaling is in many cases not limited to switching a clock's
> frequency.
> 
> Therefore, let's extend the binding so the interface can be modelled as a
> generic performance domain too. The common way to describe this, is to use
> the power-domain DT bindings, so let's use that.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
> Cc: Conor Dooley <conor+dt@...nel.org>
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
> ---
> 
> Changes in v3:
> 	- None.
> 
> ---
>  .../devicetree/bindings/firmware/arm,scmi.yaml        | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 

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