Re: [PATCH v9 2/6] mfd: mp2629: Add support for mps battery charger

[Lee Jones]

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@xxxxxxxxx>
> ---
>  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?

> 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.

-- 
Lee Jones [æçæ]
Linaro Services Technical Lead
Linaro.org â Open source software for ARM SoCs
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