From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: Pankaj Dubey <pankaj.dubey@samsung.com>,
'Lee Jones' <lee.jones@linaro.org>
Cc: 'Amit Daniel Kachhap' <amit.daniel@samsung.com>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org,
kgene.kim@samsung.com, 'Sangbeom Kim' <sbkim73@samsung.com>,
'Samuel Ortiz' <sameo@linux.intel.com>
Subject: Re: [PATCH 02/12] drivers: mfd: Add support for Exynos PMU driver
Date: Wed, 05 Nov 2014 14:47:36 +0100 [thread overview]
Message-ID: <545A2A78.5000901@samsung.com> (raw)
In-Reply-To: <002601cff7de$0f8db7e0$2ea927a0$@samsung.com>
On 04/11/14 04:18, Pankaj Dubey wrote:
> 2: Since PM domain relies on PMU registers and does not have
> its own DT binding, MFD client and MFD device
> is most suitable for making this kind of platform drivers.
We have DT binding for the Exynos power domains:
Documentation/devicetree/bindings/arm/exynos/power_domain.txt
In fact the IO memory regions used in the power domain bindings
fall within the (sparse) PMU registers region.
There is also DT binding for the PMU subsystem:
Documentation/devicetree/bindings/arm/samsung/pmu.txt
I guess a platform device driver in drivers/power would be a better
fit than drivers/mfd. I doubt introducing an mfd driver now makes
much sense, we have already DT bindings for PHYs, the power domains,
etc.
--
Thanks,
Sylwester
WARNING: multiple messages have this Message-ID (diff)
From: s.nawrocki@samsung.com (Sylwester Nawrocki)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 02/12] drivers: mfd: Add support for Exynos PMU driver
Date: Wed, 05 Nov 2014 14:47:36 +0100 [thread overview]
Message-ID: <545A2A78.5000901@samsung.com> (raw)
In-Reply-To: <002601cff7de$0f8db7e0$2ea927a0$@samsung.com>
On 04/11/14 04:18, Pankaj Dubey wrote:
> 2: Since PM domain relies on PMU registers and does not have
> its own DT binding, MFD client and MFD device
> is most suitable for making this kind of platform drivers.
We have DT binding for the Exynos power domains:
Documentation/devicetree/bindings/arm/exynos/power_domain.txt
In fact the IO memory regions used in the power domain bindings
fall within the (sparse) PMU registers region.
There is also DT binding for the PMU subsystem:
Documentation/devicetree/bindings/arm/samsung/pmu.txt
I guess a platform device driver in drivers/power would be a better
fit than drivers/mfd. I doubt introducing an mfd driver now makes
much sense, we have already DT bindings for PHYs, the power domains,
etc.
--
Thanks,
Sylwester
next prev parent reply other threads:[~2014-11-05 13:47 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-03 3:52 [PATCH 00/12] soc: samsung: Modify and enhance power domain driver Amit Daniel Kachhap
2014-11-03 3:52 ` Amit Daniel Kachhap
2014-11-03 3:52 ` [PATCH 01/12] ARM: EXYNOS: Move pmu specific header files under "linux/mfd/samsung" Amit Daniel Kachhap
2014-11-03 3:52 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 02/12] drivers: mfd: Add support for Exynos PMU driver Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 15:26 ` Lee Jones
2014-11-03 15:26 ` Lee Jones
2014-11-04 3:18 ` Pankaj Dubey
2014-11-04 3:18 ` Pankaj Dubey
2014-11-04 8:24 ` Lee Jones
2014-11-04 8:24 ` Lee Jones
2014-11-05 13:47 ` Sylwester Nawrocki [this message]
2014-11-05 13:47 ` Sylwester Nawrocki
2014-11-03 3:53 ` [PATCH 03/12] PM / Domains: Add notifier support for power domain transitions Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 14:54 ` Rafael J. Wysocki
2014-11-03 14:54 ` Rafael J. Wysocki
2014-11-03 14:52 ` Ulf Hansson
2014-11-03 14:52 ` Ulf Hansson
2014-11-04 6:18 ` amit daniel kachhap
2014-11-04 6:18 ` amit daniel kachhap
2014-11-03 18:23 ` Kevin Hilman
2014-11-03 18:23 ` Kevin Hilman
2014-11-04 6:44 ` amit daniel kachhap
2014-11-04 6:44 ` amit daniel kachhap
2014-11-04 11:01 ` Sylwester Nawrocki
2014-11-04 11:01 ` Sylwester Nawrocki
2014-11-07 18:45 ` Kevin Hilman
2014-11-07 18:45 ` Kevin Hilman
2014-11-10 9:08 ` amit daniel kachhap
2014-11-10 9:08 ` amit daniel kachhap
2014-11-28 18:04 ` Sylwester Nawrocki
2014-11-28 18:04 ` Sylwester Nawrocki
2014-11-03 18:21 ` Sylwester Nawrocki
2014-11-03 18:21 ` Sylwester Nawrocki
2014-11-03 18:41 ` Sylwester Nawrocki
2014-11-03 18:41 ` Sylwester Nawrocki
2014-11-04 3:23 ` Pankaj Dubey
2014-11-04 3:23 ` Pankaj Dubey
2014-11-04 6:16 ` amit daniel kachhap
2014-11-04 6:16 ` amit daniel kachhap
2014-11-04 12:08 ` Sylwester Nawrocki
2014-11-04 12:08 ` Sylwester Nawrocki
2014-11-04 18:10 ` [RFC PATCH] pm: Add PM domain state transition notifications Sylwester Nawrocki
2014-11-04 18:10 ` Sylwester Nawrocki
2014-11-03 3:53 ` [PATCH 04/12] mfd: exynos-pmu: Register exynos-pmu driver as a mfd driver Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 05/12] arm: exynos: Add platform driver support for power domain driver Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 06/12] soc: exynos: Move exynos power domain file to driver/soc/samsung folder Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 07/12] soc: samsung: pm_domain: Use compatible name for power domain name Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 08/12] soc: samsung: pm_domain: Add a new parameter for power configuration Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 09/12] soc: samsung: pm_domain: Add support for parent power domain Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 10/12] soc: samsung: pm_domain: Use the recently added PM Domain notifiers Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 11/12] clk: samsung: save and restore clock registers for power domain Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
2014-11-03 3:53 ` [PATCH 12/12] arm64: Kconfig: Enable PM_GENERIC_DOMAINS for exynos7 Amit Daniel Kachhap
2014-11-03 3:53 ` Amit Daniel Kachhap
-- strict thread matches above, loose matches on Subject: below --
2014-11-06 5:48 [PATCH 02/12] drivers: mfd: Add support for Exynos PMU driver Pankaj Dubey
2014-11-06 6:17 ` amit daniel kachhap
2014-11-06 6:17 ` amit daniel kachhap
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