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SubjectRe: [PATCH v9 2/6] mfd: mp2629: Add support for mps battery charger
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Hi Lee,

On 24/04/20 9:18 am, Lee Jones wrote:
> On Wed, 15 Apr 2020, Saravanan Sekar wrote:
>
>> mp2629 is a highly-integrated switching-mode battery charge management
>> device for single-cell Li-ion or Li-polymer battery.
>>
>> Add MFD core enables chip access for ADC driver for battery readings,
>> and a power supply battery-charger driver
>>
>> Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
>> ---
>> drivers/mfd/Kconfig | 9 ++++
>> drivers/mfd/Makefile | 2 +
>> drivers/mfd/mp2629.c | 86 ++++++++++++++++++++++++++++++++++++++
>> include/linux/mfd/mp2629.h | 19 +++++++++
>> 4 files changed, 116 insertions(+)
>> create mode 100644 drivers/mfd/mp2629.c
>> create mode 100644 include/linux/mfd/mp2629.h
> How is this driver registered?
>
> Looks like it has device tree support. Is there another way?
Yes, only using device tree
>
>> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
>> index 3c547ed575e6..85be799795aa 100644
>> --- a/drivers/mfd/Kconfig
>> +++ b/drivers/mfd/Kconfig
>> @@ -434,6 +434,15 @@ config MFD_MC13XXX_I2C
>> help
>> Select this if your MC13xxx is connected via an I2C bus.
>>
>> +config MFD_MP2629
>> + tristate "Monolithic power system MP2629 ADC and Battery charger"
>> + depends on I2C
>> + select REGMAP_I2C
>> + help
>> + Select this option to enable support for monolithic power system
>> + battery charger. This provides ADC, thermal, battery charger power
>> + management functions on the systems.

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