linux-kernel - Re: [PATCH v4 02/20] dt-bindings: arm: add support for ARM System Control and Management Interface(SCMI) protocol

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Date:   Mon, 6 Nov 2017 16:18:22 -0600
From:   Rob Herring <robh@...nel.org>
To:     Sudeep Holla <sudeep.holla@....com>
Cc:     ALKML <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Roy Franz <roy.franz@...ium.com>,
        Harb Abdulhamid <harba@...eaurora.org>,
        Nishanth Menon <nm@...com>, Arnd Bergmann <arnd@...db.de>,
        Loc Ho <lho@....com>, Ryan Harkin <Ryan.Harkin@....com>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v4 02/20] dt-bindings: arm: add support for ARM System
 Control and Management Interface(SCMI) protocol

On Fri, Nov 03, 2017 at 02:47:39PM +0000, Sudeep Holla wrote:
> This patch adds devicetree binding for System Control and Management
> Interface (SCMI) Message Protocol used between the Application Cores(AP)
> and the System Control Processor(SCP). The MHU peripheral provides a
> mechanism for inter-processor communication between SCP's M3 processor
> and AP.
> 
> SCP offers control and management of the core/cluster power states,
> various power domain DVFS including the core/cluster, certain system
> clocks configuration, thermal sensors and many others.
> 
> SCMI protocol is developed as better replacement to the existing SCPI
> which is not flexible and easily extensible.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> ---
>  Documentation/devicetree/bindings/arm/arm,scmi.txt | 179 +++++++++++++++++++++
>  MAINTAINERS                                        |   4 +-
>  2 files changed, 181 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/arm/arm,scmi.txt

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