From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: Re: [PATCH v10] reset: Add driver for gpio-controlled reset pins Date: Tue, 6 Aug 2013 10:38:31 +0300 Message-ID: <5200A7F7.6080104@ti.com> References: <1374139586-6344-1-git-send-email-p.zabel@pengutronix.de> <20130802092823.GA2884@e106331-lin.cambridge.arm.com> <1375687936.4000.21.camel@pizza.hi.pengutronix.de> <20130805153516.GC13091@e106331-lin.cambridge.arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130805153516.GC13091@e106331-lin.cambridge.arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Mark Rutland Cc: Marek Vasut , Fabio Estevam , Mike Turquette , Pavel Machek , Len Brown , Sascha Hauer , "Rafael J. Wysocki" , Philipp Zabel , "devicetree-discuss@lists.ozlabs.org" , "linux-arm-kernel@lists.infradead.org" List-Id: devicetree@vger.kernel.org Hi Mark, On 08/05/2013 06:35 PM, Mark Rutland wrote: > On Mon, Aug 05, 2013 at 08:32:16AM +0100, Philipp Zabel wrote: >> Hi Mark, > > Hi Philipp, > >> >> Am Freitag, den 02.08.2013, 10:28 +0100 schrieb Mark Rutland: > > I'm not sure about initially-in-reset. Is it not possible for the driver > to poke the GPIO controller to ensure the GPIOs are in the state > required? We need initially-in-reset, so that the device can be kept in reset even when the device driver is not available or loaded late in the boot cycle. cheers, -roger From mboxrd@z Thu Jan 1 00:00:00 1970 From: rogerq@ti.com (Roger Quadros) Date: Tue, 6 Aug 2013 10:38:31 +0300 Subject: [PATCH v10] reset: Add driver for gpio-controlled reset pins In-Reply-To: <20130805153516.GC13091@e106331-lin.cambridge.arm.com> References: <1374139586-6344-1-git-send-email-p.zabel@pengutronix.de> <20130802092823.GA2884@e106331-lin.cambridge.arm.com> <1375687936.4000.21.camel@pizza.hi.pengutronix.de> <20130805153516.GC13091@e106331-lin.cambridge.arm.com> Message-ID: <5200A7F7.6080104@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Mark, On 08/05/2013 06:35 PM, Mark Rutland wrote: > On Mon, Aug 05, 2013 at 08:32:16AM +0100, Philipp Zabel wrote: >> Hi Mark, > > Hi Philipp, > >> >> Am Freitag, den 02.08.2013, 10:28 +0100 schrieb Mark Rutland: > > I'm not sure about initially-in-reset. Is it not possible for the driver > to poke the GPIO controller to ensure the GPIOs are in the state > required? We need initially-in-reset, so that the device can be kept in reset even when the device driver is not available or loaded late in the boot cycle. cheers, -roger