linux-kernel - Re: [PATCH v8 2/6] mfd: Support ROHM BD9576MUF and BD9573MUF

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Date:   Mon, 08 Mar 2021 16:52:22 +0200
From:   Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-power@...rohmeurope.com, linux-watchdog@...r.kernel.org,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v8 2/6] mfd: Support ROHM BD9576MUF and BD9573MUF

Hello Lee,

On Mon, 2021-03-08 at 13:36 +0000, Lee Jones wrote:
> On Thu, 11 Feb 2021, Matti Vaittinen wrote:
> 
> > Add core support for ROHM BD9576MUF and BD9573MUF PMICs which are
> > mainly used to power the R-Car series processors.
> > 
> > Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
> > ---
> > Changes:
> >  - Comments fixed based on suggestions from Lee
> >  - Name of regulator cell changed as suggested by Lee
> >  - Renamed MFD cell variables for better readability
> >  - Aligned header definitions for better readability
> > 
> >  drivers/mfd/Kconfig              |  11 ++++
> >  drivers/mfd/Makefile             |   1 +
> >  drivers/mfd/rohm-bd9576.c        | 109
> > +++++++++++++++++++++++++++++++
> >  include/linux/mfd/rohm-bd957x.h  |  59 +++++++++++++++++
> >  include/linux/mfd/rohm-generic.h |   2 +
> >  5 files changed, 182 insertions(+)
> >  create mode 100644 drivers/mfd/rohm-bd9576.c
> >  create mode 100644 include/linux/mfd/rohm-bd957x.h
> > 
> > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > index bdfce7b15621..53c7c96283bd 100644
> > --- a/drivers/mfd/Kconfig
> > +++ b/drivers/mfd/Kconfig
> > @@ -1998,6 +1998,17 @@ config MFD_ROHM_BD71828
> >  	  Also included is a Coulomb counter, a real-time clock (RTC),
> > and
> >  	  a 32.768 kHz clock gate.
> >  
> > +config MFD_ROHM_BD957XMUF
> > +	tristate "ROHM BD9576MUF and BD9573MUF Power Management ICs"
> > +	depends on I2C=y
> > +	depends on OF
> > +	select REGMAP_I2C
> > +	select MFD_CORE
> > +	help
> > +	  Select this option to get support for the ROHM BD9576MUF and
> > +	  BD9573MUF Power Management ICs. BD9576 and BD9573 are
> > primarily
> > +	  designed to be used to power R-Car series processors.
> > +
> >  config MFD_STM32_LPTIMER
> >  	tristate "Support for STM32 Low-Power Timer"
> >  	depends on (ARCH_STM32 && OF) || COMPILE_TEST
> > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> > index 14fdb188af02..e58fae024bb2 100644
> > --- a/drivers/mfd/Makefile
> > +++ b/drivers/mfd/Makefile
> > @@ -262,6 +262,7 @@ obj-$(CONFIG_RAVE_SP_CORE)	+= rave-sp.o
> >  obj-$(CONFIG_MFD_ROHM_BD70528)	+= rohm-bd70528.o
> >  obj-$(CONFIG_MFD_ROHM_BD71828)	+= rohm-bd71828.o
> >  obj-$(CONFIG_MFD_ROHM_BD718XX)	+= rohm-bd718x7.o
> > +obj-$(CONFIG_MFD_ROHM_BD957XMUF)	+= rohm-bd9576.o
> >  obj-$(CONFIG_MFD_STMFX) 	+= stmfx.o
> >  obj-$(CONFIG_MFD_KHADAS_MCU) 	+= khadas-mcu.o
> >  
> > diff --git a/drivers/mfd/rohm-bd9576.c b/drivers/mfd/rohm-bd9576.c
> > new file mode 100644
> > index 000000000000..efd439677c9e
> > --- /dev/null
> > +++ b/drivers/mfd/rohm-bd9576.c
> > @@ -0,0 +1,109 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later
> > +/*
> > + * Copyright (C) 2020 ROHM Semiconductors
> 
> If you get a chance, could you please update these?

I'll respin the series as I'll add designated initializers for MFD
regulator array cell as you suggested. So I'll update this at the same
time.

> 
> > + * ROHM BD9576MUF and BD9573MUF PMIC driver
> > + */
> 
> For my own reference (apply this as-is to your sign-off block):
> 
>   Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
>