From: Pavel Machek <pavel@ucw.cz>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Mike Turquette <mturquette@linaro.org>,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Viresh Kumar <viresh.kumar@linaro.org>,
devicetree@vger.kernel.org
Subject: Re: [PATCH v3 00/13] Krait clocks + Krait CPUfreq
Date: Thu, 2 Apr 2015 08:18:28 +0200 [thread overview]
Message-ID: <20150402061828.GB23963@amd> (raw)
In-Reply-To: <1426920332-9340-1-git-send-email-sboyd@codeaurora.org>
On Fri 2015-03-20 23:45:19, Stephen Boyd wrote:
> These patches provide cpufreq scaling on devices with Krait CPUs.
> In Krait CPU designs there's one PLL and two muxes per CPU, allowing
> us to switch CPU frequencies independently.
>
> secondary
> +-----+ +
> | QSB |-------+------------|\
> +-----+ | | |-+
> | +-------|/ |
> | | + |
> +-----+ | | |
> | PLL |----+-------+ | primary
> +-----+ | | | +
> | | +-----|\ +------+
> +-------+ | | | \ | |
> | HFPLL |----------+-----------------| |-----| CPU0 |
> +-------+ | | | | | | |
> | | | +-----+ | / +------+
> | | +-| / 2 |---------|/
> | | +-----+ +
> | | secondary
> | | +
> | +------------|\
> | | |-+
> +---------------|/ | primary
> + | +
> +-----|\ +------+
> +-------+ | \ | |
> | HFPLL |----------------------------| |-----| CPU1 |
> +-------+ | | | | |
> | +-----+ | / +------+
> +-| / 2 |---------|/
> +-----+ +
And actually this picture should go to Documentation/ somewhere...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 00/13] Krait clocks + Krait CPUfreq
Date: Thu, 2 Apr 2015 08:18:28 +0200 [thread overview]
Message-ID: <20150402061828.GB23963@amd> (raw)
In-Reply-To: <1426920332-9340-1-git-send-email-sboyd@codeaurora.org>
On Fri 2015-03-20 23:45:19, Stephen Boyd wrote:
> These patches provide cpufreq scaling on devices with Krait CPUs.
> In Krait CPU designs there's one PLL and two muxes per CPU, allowing
> us to switch CPU frequencies independently.
>
> secondary
> +-----+ +
> | QSB |-------+------------|\
> +-----+ | | |-+
> | +-------|/ |
> | | + |
> +-----+ | | |
> | PLL |----+-------+ | primary
> +-----+ | | | +
> | | +-----|\ +------+
> +-------+ | | | \ | |
> | HFPLL |----------+-----------------| |-----| CPU0 |
> +-------+ | | | | | | |
> | | | +-----+ | / +------+
> | | +-| / 2 |---------|/
> | | +-----+ +
> | | secondary
> | | +
> | +------------|\
> | | |-+
> +---------------|/ | primary
> + | +
> +-----|\ +------+
> +-------+ | \ | |
> | HFPLL |----------------------------| |-----| CPU1 |
> +-------+ | | | | |
> | +-----+ | / +------+
> +-| / 2 |---------|/
> +-----+ +
And actually this picture should go to Documentation/ somewhere...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2015-04-02 6:18 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-21 6:45 [PATCH v3 00/13] Krait clocks + Krait CPUfreq Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 01/13] ARM: Add Krait L2 register accessor functions Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 02/13] clk: mux: Split out register accessors for reuse Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 03/13] clk: Avoid sending high rates to downstream clocks during set_rate Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 04/13] clk: Add safe switch hook Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 05/13] clk: qcom: Add support for High-Frequency PLLs (HFPLLs) Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 06/13] clk: qcom: Add HFPLL driver Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 07/13] clk: qcom: Add MSM8960/APQ8064's HFPLLs Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 08/13] clk: qcom: Add IPQ806X's HFPLLs Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 09/13] clk: qcom: Add support for Krait clocks Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
[not found] ` <1426920332-9340-1-git-send-email-sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-03-21 6:45 ` [PATCH v3 10/13] clk: qcom: Add KPSS ACC/GCC driver Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 11/13] clk: qcom: Add Krait clock controller driver Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 12/13] cpufreq: Add module to register cpufreq on Krait CPUs Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-03-21 6:45 ` [PATCH v3 13/13] ARM: dts: qcom: Add necessary DT data for Krait cpufreq Stephen Boyd
2015-03-21 6:45 ` Stephen Boyd
2015-04-02 6:17 ` [PATCH v3 00/13] Krait clocks + Krait CPUfreq Pavel Machek
2015-04-02 6:17 ` Pavel Machek
2015-04-02 6:18 ` Pavel Machek [this message]
2015-04-02 6:18 ` Pavel Machek
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