From mboxrd@z Thu Jan 1 00:00:00 1970 From: broonie@opensource.wolfsonmicro.com (Mark Brown) Date: Mon, 25 Apr 2011 12:03:03 +0100 Subject: Common clock and dvfs In-Reply-To: References: <20110422194027.GB4768@sirena.org.uk> <20110422203526.GC4768@sirena.org.uk> Message-ID: <20110425110303.GB30859@opensource.wolfsonmicro.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Apr 22, 2011 at 02:18:06PM -0700, Colin Cross wrote: > I see. Do you happen to know if there are any max voltage > requirements for clocks? Would running one clock in a group at a low > operating point and another at a high operating point cause a problem, > assuming the voltage is set to what is required by the high operating > point? I'm not aware of any such requirements, and my understanding of the electrical engineering issues suggests that they'd be unlikely.