[PATCH v3 0/2] regulator: add irq domain and device tree support for MAX8997

Thomas Abraham thomas.abraham at linaro.org
Tue Mar 13 08:10:03 EST 2012


Hi Rob/Grant,

On 23 February 2012 18:08, Thomas Abraham <thomas.abraham at linaro.org> wrote:
> Changes since v2:
> - Atleast one voltage level has to be specfied for Buck 1/2/5 even if GPIO
>  DVS option is not used (suggested by MyungJoo Ham).
> - Reworked the irq_domain support based the v5 of irq_domain generalization
>  patches.
>
> MAX8997 is a multi-function device which includes support for regulators, rtc,
> battery charger and other sub-blocks. This patchset adds device tree support
> for the pmic (regulators) sub-block.
>
> The first patch adds irq domain support for the interrupts supported by max8997
> mainly for removing the need to pass a irq_base from the platform code. The
> irq_base could not anyway be passed in case of device tree based instantiation.
> The reverse mapping method used is linear since the sub-drivers of max8997 has
> access to the max8997 irq_domain from which the linux irq number can be
> obtained.
>
> The second patch adds device tree support for max8997. This patch modifies both
> mfd and regulator portions of the max8997 code.
>
> This patchset is based on the following tree.
> http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git [for-next]
>
> with all patches merged from
> http://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git [for-next]
> http://git.secretlab.ca/git/linux-2.6.git [irqdomain/next]
>
> and depends on the following patchset.
> [PATCH v3 0/4] ARM: Exynos4: Add irq domain and device tree support for wakeup interrupts.
>
> This patchset has been tested on Origen board.
>
> Thomas Abraham (2):
>  mfd: add irq domain support for max8997 interrupts
>  regulator: add device tree support for max8997

Any comments for this patch series?

Thanks,
Thomas.

>
>  .../devicetree/bindings/regulator/max8997-pmic.txt |  134 +++++++++++++++++++
>  arch/arm/mach-exynos/mach-nuri.c                   |    4 -
>  arch/arm/mach-exynos/mach-origen.c                 |    1 -
>  drivers/mfd/max8997-irq.c                          |   60 +++++----
>  drivers/mfd/max8997.c                              |   73 ++++++++++-
>  drivers/regulator/max8997.c                        |  139 +++++++++++++++++++-
>  include/linux/mfd/max8997-private.h                |    4 +-
>  include/linux/mfd/max8997.h                        |    2 +-
>  8 files changed, 382 insertions(+), 35 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/regulator/max8997-pmic.txt
>
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