Re: [PATCH 1/2] ARM: imx6sx-sdb: change default board as reva board

[Peter Chen <peter.chen@freescale.com>]

On Tue, Jan 20, 2015 at 03:35:29PM +0800, Shawn Guo wrote:
> On Wed, Jan 14, 2015 at 03:36:37PM +0800, Peter Chen wrote:
> > The imx6sx sdb board has two revisions, the current mainline one
> > is reva which is mainly for internal use. In this commit, we
> > rename imx6sx-sdb.dts to imx6sx-sdb.dtsi, and move the reva dedicated
> > contents to imx6sx-sdb-reva.dts.
> > 
> > Signed-off-by: Peter Chen <peter.chen@freescale.com>
> > ---
> >  arch/arm/boot/dts/imx6sx-sdb-reva.dts              | 158 +++++++++++++++++++++
> >  .../boot/dts/{imx6sx-sdb.dts => imx6sx-sdb.dtsi}   | 131 -----------------
> 
> arch/arm/boot/dts/Makefile needs an update.
> 

Thanks, I will.


> >  2 files changed, 158 insertions(+), 131 deletions(-)
> >  create mode 100644 arch/arm/boot/dts/imx6sx-sdb-reva.dts
> >  rename arch/arm/boot/dts/{imx6sx-sdb.dts => imx6sx-sdb.dtsi} (83%)
> > 
> > diff --git a/arch/arm/boot/dts/imx6sx-sdb-reva.dts b/arch/arm/boot/dts/imx6sx-sdb-reva.dts
> > new file mode 100644
> > index 0000000..e7a8c34
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx6sx-sdb-reva.dts
> > @@ -0,0 +1,158 @@
> > +/*
> > + * Copyright (C) 2014-2015 Freescale Semiconductor, Inc.
> > + *
> > + * This program is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License version 2 as
> > + * published by the Free Software Foundation.
> > + */
> > +
> > +#include "imx6sx-sdb.dtsi"
> > +
> > +/ {
> > +	model = "Freescale i.MX6 SoloX SDB RevA Board";
> > +};
> > +
> > +&cpu0 {
> > +	operating-points = <
> > +		/* kHz    uV */
> > +		996000  1250000
> > +		792000  1175000
> > +		396000  1075000
> > +	>;
> > +	fsl,soc-operating-points = <
> > +		/* ARM kHz  SOC uV */
> > +		996000      1175000
> > +		792000      1175000
> > +		396000      1175000
> > +	>;
> 
> I'm wondering why different revision of the board require a different
> OPP settings.
> 

Anson, do you know the reason?

Peter


-- 

Best Regards,
Peter Chen