linux-kernel - Re: [PATCH v8 3/3] mailbox: qcom: Add support for APCS clock controller

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Message-ID: <20170626194058.43fttjvs23vxtuuu@rob-hp-laptop>
Date:   Mon, 26 Jun 2017 14:40:58 -0500
From:   Rob Herring <robh@...nel.org>
To:     Georgi Djakov <georgi.djakov@...aro.org>
Cc:     sboyd@...eaurora.org, jassisinghbrar@...il.com,
        bjorn.andersson@...aro.org, mturquette@...libre.com,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v8 3/3] mailbox: qcom: Add support for APCS clock
 controller

On Fri, Jun 23, 2017 at 07:15:33PM +0300, Georgi Djakov wrote:
> Add a driver for the APCS clock controller. It is part of the APCS
> hardware block, which among other things implements also a combined
> mux and half integer divider functionality. It can choose between a
> fixed-rate clock or the dedicated APCS (A53) PLL. The source and the
> divider can be set both at the same time.
> 
> This is required for enabling CPU frequency scaling on MSM8916-based
> platforms.
> 
> Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
> ---
>  .../bindings/mailbox/qcom,apcs-kpss-global.txt     |   5 +

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

>  drivers/mailbox/qcom-apcs-ipc-mailbox.c            | 122 +++++++++++++++++++++
>  2 files changed, 127 insertions(+)