linux-kernel - Re: [PATCH v7 2/2] regulator: add QCOM RPMh regulator driver

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Date:   Mon, 11 Jun 2018 10:19:22 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     David Collins <collinsd@...eaurora.org>
Cc:     broonie@...nel.org, lgirdwood@...il.com, robh+dt@...nel.org,
        mark.rutland@....com, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, rnayak@...eaurora.org,
        sboyd@...nel.org, dianders@...omium.org
Subject: Re: [PATCH v7 2/2] regulator: add QCOM RPMh regulator driver

On Fri, Jun 08, 2018 at 04:44:15PM -0700, David Collins wrote:
> Add the QCOM RPMh regulator driver to manage PMIC regulators
> which are controlled via RPMh on some Qualcomm Technologies, Inc.
> SoCs.  RPMh is a hardware block which contains several
> accelerators which are used to manage various hardware resources
> that are shared between the processors of the SoC.  The final
> hardware state of a regulator is determined within RPMh by
> performing max aggregation of the requests made by all of the
> processors.
> 
> Add support for PMIC regulator control via the voltage regulator
> manager (VRM) and oscillator buffer (XOB) RPMh accelerators.
> VRM supports manipulation of enable state, voltage, and mode.
> XOB supports manipulation of enable state.
> 
> Signed-off-by: David Collins <collinsd@...eaurora.org>
> Reviewed-by: Douglas Anderson <dianders@...omium.org>
> ---
>  drivers/regulator/Kconfig               |   9 +
>  drivers/regulator/Makefile              |   1 +
>  drivers/regulator/qcom-rpmh-regulator.c | 753 ++++++++++++++++++++++++++++++++
>  3 files changed, 763 insertions(+)
>  create mode 100644 drivers/regulator/qcom-rpmh-regulator.c

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>