linux-kernel - Re: [PATCH v3 3/7] ARM: dts: sun8i: Add PRCM device node for the A83T dtsi

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Message-ID: <20180219114234.0eeec1fc@dell-desktop.home>
Date:   Mon, 19 Feb 2018 11:42:34 +0100
From:   Mylène Josserand <mylene.josserand@...tlin.com>
To:     Maxime Ripard <maxime.ripard@...tlin.com>
Cc:     wens@...e.org, linux@...linux.org.uk, robh+dt@...nel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        clabbe.montjoie@...il.com, thomas.petazzoni@...tlin.com,
        quentin.schulz@...tlin.com
Subject: Re: [PATCH v3 3/7] ARM: dts: sun8i: Add PRCM device node for the
 A83T dtsi

Hi,

On Mon, 19 Feb 2018 09:48:22 +0100
Maxime Ripard <maxime.ripard@...tlin.com> wrote:

> Hi,
> 
> On Mon, Feb 19, 2018 at 09:18:33AM +0100, Mylène Josserand wrote:
> > As we found in Sun9i-A80, PRCM is a collection of clock controls,
> > reset controls, and various power switches/gates.
> > It is used with CPUCFG for SMP bringup and CPU hotplugging.
> > 
> > Signed-off-by: Mylène Josserand <mylene.josserand@...tlin.com>
> > ---
> >  arch/arm/boot/dts/sun8i-a83t.dtsi | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > index e45bab836620..3e7317ec3e43 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > @@ -699,6 +699,11 @@
> >  			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
> >  		};
> >  
> > +		prcm@...1400 {
> > +			compatible = "allwinner,sun8i-a83t-prcm";
> > +			reg = <0x1f01400 0x400>;
> > +		};
> > +
> >  		r_ccu: clock@...1400 {
> >  			compatible = "allwinner,sun8i-a83t-r-ccu";
> >  			reg = <0x01f01400 0x400>;  
> 
> These two are exactly the same nodes.

Oh, yes, I did not pay attention to that.

Thanks,

Mylène

-- 
Mylène Josserand, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com