linux-kernel - Re: [PATCH v9 1/3] clk: qcom: Add support for SMD-RPM Clocks

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Date:   Wed, 9 Nov 2016 12:26:46 -0600
From:   Rob Herring <robh@...nel.org>
To:     Georgi Djakov <georgi.djakov@...aro.org>
Cc:     sboyd@...eaurora.org, mturquette@...libre.com,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        mark.rutland@....com, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v9 1/3] clk: qcom: Add support for SMD-RPM Clocks

On Wed, Nov 02, 2016 at 05:56:56PM +0200, Georgi Djakov wrote:
> This adds initial support for clocks controlled by the Resource
> Power Manager (RPM) processor on some Qualcomm SoCs, which use
> the qcom_smd_rpm driver to communicate with RPM.
> Such platforms are msm8916, apq8084 and msm8974.
> 
> The RPM is a dedicated hardware engine for managing the shared
> SoC resources in order to keep the lowest power profile. It
> communicates with other hardware subsystems via shared memory
> and accepts clock requests, aggregates the requests and turns
> the clocks on/off or scales them on demand.
> 
> This driver is based on the codeaurora.org driver:
> https://www.codeaurora.org/cgit/quic/la/kernel/msm-3.10/tree/drivers/clk/qcom/clock-rpm.c
> 
> Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
> ---
>  .../devicetree/bindings/clock/qcom,rpmcc.txt       |  36 ++

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

>  drivers/clk/qcom/Kconfig                           |  16 +
>  drivers/clk/qcom/Makefile                          |   1 +
>  drivers/clk/qcom/clk-smd-rpm.c                     | 571 +++++++++++++++++++++
>  include/dt-bindings/clock/qcom,rpmcc.h             |  45 ++
>  5 files changed, 669 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,rpmcc.txt
>  create mode 100644 drivers/clk/qcom/clk-smd-rpm.c
>  create mode 100644 include/dt-bindings/clock/qcom,rpmcc.h