linux-kernel - Re: [PATCH v5 2/2] clk: x86: Add Atom PMC platform clocks

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Message-ID: <20161209002523.GC5423@codeaurora.org>
Date:   Thu, 8 Dec 2016 16:25:23 -0800
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Irina Tirdea <irina.tirdea@...el.com>
Cc:     linux-clk@...r.kernel.org, x86@...nel.org,
        platform-driver-x86@...r.kernel.org,
        Darren Hart <dvhart@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Michael Turquette <mturquette@...libre.com>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, alsa-devel@...a-project.org,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...el.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Subject: Re: [PATCH v5 2/2] clk: x86: Add Atom PMC platform clocks

On 12/07, Irina Tirdea wrote:
> The BayTrail and CherryTrail platforms provide platform clocks
> through their Power Management Controller (PMC).
> 
> The SoC supports up to 6 clocks (PMC_PLT_CLK[5:0]) with a
> frequency of either 19.2 MHz (PLL) or 25 MHz (XTAL) for BayTrail
> an a frequency of 19.2 MHz (XTAL) for CherryTrail. These clocks
> are available for general system use, where appropriate, and each
> have Control & Frequency register fields associated with them.
> 
> For example, the usage for platform clocks suggested in the datasheet
> is the following:
>   PLT_CLK[2:0] - Camera
>   PLT_CLK[3] - Audio Codec
>   PLT_CLK[4] -
>   PLT_CLK[5] - COMMs
> 
> Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> ---
>  drivers/clk/x86/Makefile                      |   1 +
>  drivers/clk/x86/clk-byt-plt.c                 | 380 ++++++++++++++++++++++++++

Is it possible to split the clk part from the platform part? I'd
like to merge just the clk part if possible into the clk tree.

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