linux-kernel - Re: [PATCH v2 2/5] mfd: add Ricoh RN5T567 PMIC support

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Date:	Wed, 08 Jun 2016 14:47:49 -0700
From:	Stefan Agner <stefan@...er.ch>
To:	Rob Herring <robh@...nel.org>
Cc:	lee.jones@...aro.org, lgirdwood@...il.com, broonie@...nel.org,
	khilman@...libre.com, carlo@...one.org, b.galvani@...il.com,
	max.oss.09@...il.com, marcel@...wiler.com, linux@...linux.org.uk,
	galak@...eaurora.org, ijc+devicetree@...lion.org.uk,
	mark.rutland@....com, pawel.moll@....com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH v2 2/5] mfd: add Ricoh RN5T567 PMIC support

On 2016-06-08 13:22, Rob Herring wrote:
> On Tue, Jun 07, 2016 at 06:04:26PM -0700, Stefan Agner wrote:
>> The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is,
>> the differences are:
>>
>> + DCDC4
>> + Slightly different output voltage/currents
>> + 32kHz Output
>> - ADC/Charger capabilities
>>
>> Reviewed-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
>> Signed-off-by: Stefan Agner <stefan@...er.ch>
>> ---
>>  Documentation/devicetree/bindings/mfd/rn5t618.txt | 19 ++++++++++-------
>>  drivers/mfd/Kconfig                               |  7 +++---
>>  drivers/mfd/rn5t618.c                             | 26 +++++++++++++++++------
>>  include/linux/mfd/rn5t618.h                       | 12 +++++++++++
>>  4 files changed, 46 insertions(+), 18 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/mfd/rn5t618.txt b/Documentation/devicetree/bindings/mfd/rn5t618.txt
>> index 937785a..5b493ed 100644
>> --- a/Documentation/devicetree/bindings/mfd/rn5t618.txt
>> +++ b/Documentation/devicetree/bindings/mfd/rn5t618.txt
>> @@ -1,18 +1,21 @@
>> -* Ricoh RN5T618 PMIC
>> +* Ricoh RN5T567/RN5T618 PMIC
>>
>> -Ricoh RN5T618 is a power management IC which integrates 3 step-down
>> -DCDC converters, 7 low-dropout regulators, a Li-ion battery charger,
>> -fuel gauge, ADC, GPIOs and a watchdog timer. It can be controlled
>> -through a I2C interface.
>> +Ricoh RN5T567/RN5T618 is a power management IC family which integrates
>> +3 to 5 step-down DCDC converters, 7 low-dropout regulators, GPIOs and
> 
> I count 4?

There is actually a third PMIC in this family RC5T619 which has 5, that
is where the number comes from. But that PMIC also has 12 LDO's so the
numbers are a bit a mix and much right now...

If I have to amend something anyway, I will fix that. Otherwise I look
at it as a preparation for the one which adds RC5T619 support :-)

--
Stefan