From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Bachraty Subject: Re: [PATCH] clk: si5351: Add gapless tuning for SI5351 PLL Date: Tue, 09 Apr 2013 15:49:37 +0200 Message-ID: <2031033.gNGydvIeAk@ganymedes> References: <1365495975-792-1-git-send-email-michal.bachraty@streamunlimited.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Sebastian Hesselbarth 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 List-Id: devicetree@vger.kernel.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