From: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
To: Mark Brown <broonie@kernel.org>
Cc: Lee Jones <lee.jones@linaro.org>,
Samuel Ortiz <sameo@linux.intel.com>,
Mike Turquette <mturquette@linaro.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Alessandro Zummo <a.zummo@towertech.it>,
Kukjin Kim <kgene.kim@samsung.com>,
Doug Anderson <dianders@chromium.org>,
Olof Johansson <olof@lixom.net>,
Sjoerd Simons <sjoerd.simons@collabora.co.uk>,
Daniel Stone <daniels@collabora.com>,
Tomeu Vizoso <tomeu.vizoso@collabora.com>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 07/10] regulator: Add driver for Maxim 77802 PMIC regulators
Date: Tue, 24 Jun 2014 18:43:13 +0200 [thread overview]
Message-ID: <53A9AAA1.4030005@collabora.co.uk> (raw)
In-Reply-To: <20140623094734.GV24291@sirena.org.uk>
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
WARNING: multiple messages have this Message-ID (diff)
From: javier.martinez@collabora.co.uk (Javier Martinez Canillas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 07/10] regulator: Add driver for Maxim 77802 PMIC regulators
Date: Tue, 24 Jun 2014 18:43:13 +0200 [thread overview]
Message-ID: <53A9AAA1.4030005@collabora.co.uk> (raw)
In-Reply-To: <20140623094734.GV24291@sirena.org.uk>
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
next prev parent reply other threads:[~2014-06-24 16:43 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-16 18:02 [PATCH v2 00/10] Add Maxim 77802 PMIC support Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 01/10] mfd: max77686: Convert to use regmap_irq Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-17 20:32 ` Lee Jones
2014-06-17 20:32 ` Lee Jones
2014-06-17 20:57 ` Doug Anderson
2014-06-17 20:57 ` Doug Anderson
2014-06-17 20:57 ` Doug Anderson
2014-06-18 9:21 ` Javier Martinez Canillas
2014-06-18 9:21 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 02/10] clk: max77686: add DT include for MAX77686 PMIC clock Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 03/10] Documentation: dt: improve Maxim 77686 PMIC clocks binding Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 04/10] clk: Add generic driver for Maxim PMIC clocks Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 05/10] clk: max77686: convert to the generic max clock driver Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 06/10] mfd: Add driver for Maxim 77802 Power Management IC Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 19:27 ` Mark Brown
2014-06-16 19:27 ` Mark Brown
2014-06-17 10:57 ` Javier Martinez Canillas
2014-06-17 10:57 ` Javier Martinez Canillas
2014-06-18 8:32 ` Lee Jones
2014-06-18 8:32 ` Lee Jones
2014-06-18 9:50 ` Javier Martinez Canillas
2014-06-18 9:50 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 07/10] regulator: Add driver for Maxim 77802 PMIC regulators Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 19:25 ` Mark Brown
2014-06-16 19:25 ` Mark Brown
[not found] ` <20140616192500.GJ5099-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-06-17 10:49 ` Javier Martinez Canillas
2014-06-17 10:49 ` Javier Martinez Canillas
2014-06-17 10:49 ` Javier Martinez Canillas
2014-06-17 14:12 ` Mark Brown
2014-06-17 14:12 ` Mark Brown
2014-06-17 16:05 ` Javier Martinez Canillas
2014-06-17 16:05 ` Javier Martinez Canillas
2014-06-21 20:40 ` Mark Brown
2014-06-21 20:40 ` Mark Brown
2014-06-23 9:28 ` Javier Martinez Canillas
2014-06-23 9:28 ` Javier Martinez Canillas
[not found] ` <53A7F339.7050608-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org>
2014-06-23 9:47 ` Mark Brown
2014-06-23 9:47 ` Mark Brown
2014-06-23 9:47 ` Mark Brown
2014-06-24 16:43 ` Javier Martinez Canillas [this message]
2014-06-24 16:43 ` Javier Martinez Canillas
2014-06-17 21:17 ` Lee Jones
2014-06-17 21:17 ` Lee Jones
2014-06-17 21:17 ` Lee Jones
2014-06-18 9:47 ` Javier Martinez Canillas
2014-06-18 9:47 ` Javier Martinez Canillas
2014-06-18 14:10 ` Lee Jones
2014-06-18 14:10 ` Lee Jones
2014-06-19 13:32 ` Alessandro Zummo
2014-06-19 13:32 ` Alessandro Zummo
2014-06-16 18:02 ` [PATCH v2 08/10] clk: Add driver for Maxim 77802 PMIC clocks Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 09/10] rtc: Add driver for Maxim 77802 PMIC Real-Time-Clock Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
2014-06-16 18:02 ` [PATCH v2 10/10] ARM: dts: Add max77802 device node for exynos5420-peach-pit Javier Martinez Canillas
2014-06-16 18:02 ` Javier Martinez Canillas
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