From: Viresh Kumar <viresh.kumar@linaro.org>
To: Ilia Lin <ilialin@codeaurora.org>
Cc: ilia.lin@gmail.com, vireshk@kernel.org, nm@ti.com,
sboyd@kernel.org, robh@kernel.org, mark.rutland@arm.com,
rjw@rjwysocki.net, linux-pm@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v14 1/2] cpufreq: Add Kryo CPU scaling driver
Date: Mon, 28 May 2018 10:33:38 +0530 [thread overview]
Message-ID: <20180528050338.p4zg6a2v5fu3oxwe@vireshk-i7> (raw)
In-Reply-To: <1527252112-7015-2-git-send-email-ilialin@codeaurora.org>
On 25-05-18, 15:41, Ilia Lin wrote:
> In Certain QCOM SoCs like apq8096 and msm8996 that have KRYO processors,
> the CPU frequency subset and voltage value of each OPP varies
> based on the silicon variant in use. Qualcomm Process Voltage Scaling Tables
> defines the voltage and frequency value based on the msm-id in SMEM
> and speedbin blown in the efuse combination.
> The qcom-cpufreq-kryo driver reads the msm-id and efuse value from the SoC
> to provide the OPP framework with required information.
> This is used to determine the voltage and frequency value for each OPP of
> operating-points-v2 table when it is parsed by the OPP framework.
>
> Signed-off-by: Ilia Lin <ilialin@codeaurora.org>
> ---
> MAINTAINERS | 7 ++
> drivers/cpufreq/Kconfig.arm | 10 ++
> drivers/cpufreq/Makefile | 1 +
> drivers/cpufreq/cpufreq-dt-platdev.c | 3 +
> drivers/cpufreq/qcom-cpufreq-kryo.c | 212 +++++++++++++++++++++++++++++++++++
> 5 files changed, 233 insertions(+)
> create mode 100644 drivers/cpufreq/qcom-cpufreq-kryo.c
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
--
viresh
next prev parent reply other threads:[~2018-05-28 5:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-25 12:41 [PATCH v14 0/2] Kryo CPU scaling driver Ilia Lin
2018-05-25 12:41 ` [PATCH v14 1/2] cpufreq: Add " Ilia Lin
2018-05-28 5:03 ` Viresh Kumar [this message]
2018-05-25 12:41 ` [PATCH v14 2/2] dt-bindings: cpufreq: Document operating-points-v2-kryo-cpu Ilia Lin
-- strict thread matches above, loose matches on Subject: below --
2018-05-25 12:07 [PATCH v14 0/2] Kryo CPU scaling driver Ilia Lin
2018-05-25 12:07 ` [PATCH v14 1/2] cpufreq: Add " Ilia Lin
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