From: michal.bachraty@streamunlimited.com (Michal Bachraty)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] clk: si5351: Add gapless tuning for SI5351 PLL
Date: Tue, 09 Apr 2013 15:49:37 +0200 [thread overview]
Message-ID: <2031033.gNGydvIeAk@ganymedes> (raw)
In-Reply-To: <CABJ1b_RW=UUxmTrYOsx2wsDm1egs9DL3dWtat0--5kqec9-rQA@mail.gmail.com>
Hi Sebastian,
> does gapless tuning have any constraints? Can we use it for all rate
> changes or determine the
> need for pll reset by rate offset?
Today I made some test measurements ( switching from 22.5MHz to 32kHz, then to
50MHz, then to 1MHz) with good results: without any gaps and any side
frequences. So there are no constrains, and we can use it for any frequences.
Best,
Michal
WARNING: multiple messages have this Message-ID (diff)
From: Michal Bachraty <michal.bachraty-6oiIBCxl0MMjD8S081q9vkEOCMrvLtNR@public.gmane.org>
To: Sebastian Hesselbarth
<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH] clk: si5351: Add gapless tuning for SI5351 PLL
Date: Tue, 09 Apr 2013 15:49:37 +0200 [thread overview]
Message-ID: <2031033.gNGydvIeAk@ganymedes> (raw)
In-Reply-To: <CABJ1b_RW=UUxmTrYOsx2wsDm1egs9DL3dWtat0--5kqec9-rQA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Hi Sebastian,
> does gapless tuning have any constraints? Can we use it for all rate
> changes or determine the
> need for pll reset by rate offset?
Today I made some test measurements ( switching from 22.5MHz to 32kHz, then to
50MHz, then to 1MHz) with good results: without any gaps and any side
frequences. So there are no constrains, and we can use it for any frequences.
Best,
Michal
WARNING: multiple messages have this Message-ID (diff)
From: Michal Bachraty <michal.bachraty@streamunlimited.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: grant.likely@secretlab.ca, rob.herring@calxeda.com,
rob@landley.net, mturquette@linaro.org,
devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] clk: si5351: Add gapless tuning for SI5351 PLL
Date: Tue, 09 Apr 2013 15:49:37 +0200 [thread overview]
Message-ID: <2031033.gNGydvIeAk@ganymedes> (raw)
In-Reply-To: <CABJ1b_RW=UUxmTrYOsx2wsDm1egs9DL3dWtat0--5kqec9-rQA@mail.gmail.com>
Hi Sebastian,
> does gapless tuning have any constraints? Can we use it for all rate
> changes or determine the
> need for pll reset by rate offset?
Today I made some test measurements ( switching from 22.5MHz to 32kHz, then to
50MHz, then to 1MHz) with good results: without any gaps and any side
frequences. So there are no constrains, and we can use it for any frequences.
Best,
Michal
next prev parent reply other threads:[~2013-04-09 13:49 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-09 8:26 [PATCH] clk: si5351: Add gapless tuning for SI5351 PLL Michal Bachraty
2013-04-09 8:26 ` Michal Bachraty
2013-04-09 8:26 ` Michal Bachraty
2013-04-09 9:25 ` Sebastian Hesselbarth
2013-04-09 9:25 ` Sebastian Hesselbarth
2013-04-09 9:25 ` Sebastian Hesselbarth
2013-04-09 13:49 ` Michal Bachraty [this message]
2013-04-09 13:49 ` Michal Bachraty
2013-04-09 13:49 ` Michal Bachraty
2013-04-12 18:38 ` Mike Turquette
2013-04-12 18:38 ` Mike Turquette
2013-04-12 18:38 ` Mike Turquette
2013-04-12 19:24 ` Sebastian Hesselbarth
2013-04-12 19:24 ` Sebastian Hesselbarth
2013-04-14 7:00 ` Mike Turquette
2013-04-14 7:00 ` Mike Turquette
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