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Date: Tue, 24 Jun 2014 18:43:13 +0200 From: Javier Martinez Canillas <javier.martinez@...labora.co.uk> To: Mark Brown <broonie@...nel.org> CC: Lee Jones <lee.jones@...aro.org>, Samuel Ortiz <sameo@...ux.intel.com>, Mike Turquette <mturquette@...aro.org>, Liam Girdwood <lgirdwood@...il.com>, Alessandro Zummo <a.zummo@...ertech.it>, Kukjin Kim <kgene.kim@...sung.com>, Doug Anderson <dianders@...omium.org>, Olof Johansson <olof@...om.net>, Sjoerd Simons <sjoerd.simons@...labora.co.uk>, Daniel Stone <daniels@...labora.com>, Tomeu Vizoso <tomeu.vizoso@...labora.com>, Krzysztof Kozlowski <k.kozlowski@...sung.com>, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 07/10] regulator: Add driver for Maxim 77802 PMIC regulators Hello Mark, On 06/23/2014 11:47 AM, Mark Brown wrote: > On Mon, Jun 23, 2014 at 11:28:25AM +0200, Javier Martinez Canillas wrote: >> On 06/21/2014 10:40 PM, Mark Brown wrote: > >> > That's not really relevant here - I'm asking if the regulators get their >> > own supplies rather than if anything uses them. > >> Sorry if I keep misunderstanding your question but the regulators in this PMIC >> don't have a parent supply/regulator node. > > They should, I'm pretty sure the device does actually regulate one > supply into another. > Thanks a lot for the clarification. This was not evident to me when I read the PMIC datasheet and because both the max77xxx Chrome OS 3.8 and mainline max77686 drivers used a simplistic model of the power scheme. But Doug confirmed to me that some regulators on this PMIC do indeed use others regulators as a power supply so I'll change this in the next version of the patch-set. Best regards, Javier -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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