From: Thierry Reding <thierry.reding@gmail.com>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>,
Peter De Schrijver <pdeschrijver@nvidia.com>,
Prashant Gaikwad <pgaikwad@nvidia.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Viresh Kumar <viresh.kumar@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Peter Geis <pgwipeout@gmail.com>,
Nicolas Chauvet <kwizart@gmail.com>,
Marcel Ziswiler <marcel.ziswiler@toradex.com>,
linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org,
devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 00/17] NVIDIA Tegra20 CPUFreq driver major update
Date: Tue, 29 Oct 2019 15:09:59 +0100 [thread overview]
Message-ID: <20191029140959.GL508460@ulmo> (raw)
In-Reply-To: <20191024221416.14197-1-digetx@gmail.com>
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On Fri, Oct 25, 2019 at 01:13:59AM +0300, Dmitry Osipenko wrote:
> Hello,
>
> This series moves intermediate-clk handling from tegra20-cpufreq into
> tegra-clk driver, this allows us to switch to generic cpufreq-dt driver
> which brings voltage scaling, per-hardware OPPs and Tegra30 support out
> of the box. All boards need to adopt CPU OPPs in their device-trees in
> order to get cpufreq support. This series adds OPPs only to selective
> boards because there is assumption in a current device-trees that CPU
> voltage is set for 1GHz freq and this won't work for those CPUs that
> can go over 1GHz and thus require voltage regulators to be set up for
> voltage scaling support (CC'ed Marcel for Toradex boards). We could
> probably add delete-node for OPPs over 1GHz if there are not actively
> maintained boards.
>
> NOTE(!): the voltage scaling functionality depends on a reviewed and yet
> unapplied series [0], thus [0] needs to be applied first.
>
> [0] https://lkml.org/lkml/2019/7/25/892
>
> Changelog:
>
> v2: - Kept modularity of the tegra20-cpufreq as was requested by Viresh Kumar
> in a review comment to v1.
>
> - Added acks from Viresh Kumar.
>
> - Added tested-by from Nicolas Chauvet to the "trimslice" patch.
> Nicolas told me on IRC that it works fine.
>
> - Fixed compilation of the "Add custom CCLK implementation" patch. The
> error happened because v1 was based on top of yet unreviewed/unapplied
> patch "clk: tegra: divider: Support enable-bit for Super clocks". Thanks
> to Peter Geis for reporting the problem.
>
> - Replaced Tegra30 "beaver" board with "cardhu-a04" because turned out
> that's what NVIDIA uses in the testing farm.
>
> Dmitry Osipenko (17):
> clk: tegra: Add custom CCLK implementation
> clk: tegra: pll: Add pre/post rate-change hooks
> clk: tegra: cclk: Add helpers for handling PLLX rate changes
> clk: tegra20: Support custom CCLK implementation
> clk: tegra30: Support custom CCLK implementation
> dt-bindings: cpufreq: Add binding for NVIDIA Tegra20/30
> cpufreq: tegra20: Use generic cpufreq-dt driver (Tegra30 supported
> now)
> ARM: tegra: Create tegra20-cpufreq platform device on Tegra30
> ARM: dts: tegra20: Add CPU clock
> ARM: dts: tegra30: Add CPU clock
> ARM: dts: tegra20: Add CPU Operating Performance Points
> ARM: dts: tegra30: Add CPU Operating Performance Points
> ARM: dts: tegra20: paz00: Set up voltage regulators for DVFS
> ARM: dts: tegra20: paz00: Add CPU Operating Performance Points
> ARM: dts: tegra20: trimslice: Add CPU Operating Performance Points
> ARM: dts: tegra30: cardhu-a04: Set up voltage regulators for DVFS
> ARM: dts: tegra30: cardhu-a04: Add CPU Operating Performance Points
I've applied patches 9-17 (the DT bits) to for-5.5/arm/dt. I'll hold
back on applying the others until Peter is happy with them.
Thierry
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next prev parent reply other threads:[~2019-10-29 14:10 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 22:13 [PATCH v2 00/17] NVIDIA Tegra20 CPUFreq driver major update Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 01/17] clk: tegra: Add custom CCLK implementation Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 02/17] clk: tegra: pll: Add pre/post rate-change hooks Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 03/17] clk: tegra: cclk: Add helpers for handling PLLX rate changes Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 04/17] clk: tegra20: Support custom CCLK implementation Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 05/17] clk: tegra30: " Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 06/17] dt-bindings: cpufreq: Add binding for NVIDIA Tegra20/30 Dmitry Osipenko
2019-10-29 21:42 ` Rob Herring
2019-10-30 21:05 ` Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 07/17] cpufreq: tegra20: Use generic cpufreq-dt driver (Tegra30 supported now) Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 08/17] ARM: tegra: Create tegra20-cpufreq platform device on Tegra30 Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 09/17] ARM: dts: tegra20: Add CPU clock Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 10/17] ARM: dts: tegra30: " Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 11/17] ARM: dts: tegra20: Add CPU Operating Performance Points Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 12/17] ARM: dts: tegra30: " Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 13/17] ARM: dts: tegra20: paz00: Set up voltage regulators for DVFS Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 14/17] ARM: dts: tegra20: paz00: Add CPU Operating Performance Points Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 15/17] ARM: dts: tegra20: trimslice: " Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 16/17] ARM: dts: tegra30: cardhu-a04: Set up voltage regulators for DVFS Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 17/17] ARM: dts: tegra30: cardhu-a04: Add CPU Operating Performance Points Dmitry Osipenko
2019-11-13 6:52 ` Jon Hunter
2019-11-13 13:57 ` Dmitry Osipenko
2019-11-15 12:52 ` Jon Hunter
2019-11-15 14:55 ` Dmitry Osipenko
2019-11-15 17:31 ` Jon Hunter
2019-11-15 20:35 ` Dmitry Osipenko
2019-11-18 9:52 ` Jon Hunter
2019-10-29 14:09 ` Thierry Reding [this message]
2019-10-29 14:41 ` [PATCH v2 00/17] NVIDIA Tegra20 CPUFreq driver major update Dmitry Osipenko
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