Re: [PATCH v6 0/2] Initial support for XPowers AXP288 PMIC
From: Jacob Pan
Date: Thu Sep 25 2014 - 14:30:56 EST
Can you consider taking this for 3.18 if there are no other issues?
On Thu, 25 Sep 2014 04:15:39 -0700
Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> wrote:
> X-Powers AXP288 is a customized PMIC found on some Intel Baytrail-CR
> platforms. It comes with sub-functions such as USB charging, fuel
> gauge, ADC, and many LDO and BUCK channels.
> By extending the existing AXP20x driver, this patchset adds basic
> support for AXP288 PMIC with ADC as one MFD cell device driver.
> Currently, the PMIC driver in this patchset does not support platform
> data enumeration. But when ACPI _DSD and unified device properties
> become available, cell devices with platform data will be added.
> This patch does not use intel_soc_pmic core for i2c and regmap
> handling in that axp288 shares similar programming interface with
> other X-Power PMICs supported in axp20x.c. Therefore, extending
> axp20x.c to include axp288 makes more sense.
> v6: - change axp20x_match_device() flow to give more specific
> error messages.
> - remove unnecessary cast
> v5: - excluded iio documentation patch, already applied to
> - restructured axp288_adc read_raw code to make it more
> - renamed adc_enable to adc_set_state and add comment about
> why adc has to be always on and there is no disable function.
> - axp20x use const as needed for regmap structures
> v4: - removed rename patch, use Kconfig description to list
> supported devices
> - misc clean up in ADC code, use regmap_bulk_read and
> improve error handling, etc.
> - remove IIO ADC scale, treat raw data as processed since the
> unit is already in IIO expected milliamps.
> v3: - put all file rename changes in 1/5
> - add iio documentation for in_current_raw/scale
> - removed global variables in axp2xx
> - removed pm callbacks from GPADC
> - removed ACPI opregion cell device
> - added scales to ADC current and voltage
> - removed ADC thermal sensor from sysfs, kernel internal use
> - use format -M for 1/4
> - minor tweak based on Maxime's review
> Jacob Pan (2):
> mfd/axp20x: extend axp20x to support axp288 pmic
> iio/adc: add support for axp288 adc
> drivers/iio/adc/Kconfig | 8 +
> drivers/iio/adc/Makefile | 1 +
> drivers/iio/adc/axp288_adc.c | 253 ++++++++++++++++++++++++++++++
> drivers/mfd/Kconfig | 3 +-
> drivers/mfd/axp20x.c | 361
> include/linux/mfd/axp20x.h | 59 +++++++ 6 files changed, 629
> insertions(+), 56 deletions(-) create mode 100644
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