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From: Matthias Brugger <matthias.bgg@gmail.com>
To: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	ibanezchen@gmail.com, lorenzo.pieralisi@arm.com,
	linux@arm.linux.org.uk, heiko@sntech.de, catalin.marinas@arm.com,
	linux-kernel@vger.kernel.org, srv_wsdupstream@mediatek.com,
	marc.ceeeee@gmail.com, robh+dt@kernel.org,
	linux-mediatek@lists.infradead.org, galak@codeaurora.org,
	rchintakuntla@cavium.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [RESEND PATCH 1/6] Document: bindings: DT: Add SMP enable method for MT6580 SoC platform
Date: Sat, 18 Jul 2015 00:04:18 +0200	[thread overview]
Message-ID: <7449891.najJl8C2om@ubix> (raw)
In-Reply-To: <1436611086.17661.3.camel@mtksdaap41>

On Saturday, July 11, 2015 06:38:06 PM Yingjoe Chen wrote:
> On Mon, 2015-06-29 at 11:03 +0800, Yingjoe Chen wrote:
> > On Fri, 2015-06-19 at 02:01 +0800, Scott Shu wrote:
> > > For MT6580 SoC platform, the secondary cores are in powered off state
> > > as default, so compared with MT65xx series SoC, one new enable method
> > > is needed. This method using the SPM (System Power Manager) inside
> > > the SCYSYS to control the CPU power.
> > > ---
> > > 
> > >  Documentation/devicetree/bindings/arm/cpus.txt | 1 +
> > >  1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/Documentation/devicetree/bindings/arm/cpus.txt
> > > b/Documentation/devicetree/bindings/arm/cpus.txt index ac2903d..fb80b2e
> > > 100644
> > > --- a/Documentation/devicetree/bindings/arm/cpus.txt
> > > +++ b/Documentation/devicetree/bindings/arm/cpus.txt
> > > @@ -194,6 +194,7 @@ nodes to be present and contain the properties
> > > described below.> > 
> > >  			    "marvell,armada-380-smp"
> > >  			    "marvell,armada-390-smp"
> > >  			    "marvell,armada-xp-smp"
> > > 
> > > +			    "mediatek,mt6580-smp"
> > > 
> > >  			    "mediatek,mt65xx-smp"
> > >  			    "mediatek,mt81xx-tz-smp"
> > >  			    "qcom,gcc-msm8660"
> > 
> > Hi
> > 
> > It seems we have 3 different kinds of cpu enable method now, and
> > mt65xx-smp doesn't cover all mt65xx series. So maybe it make sense to
> > change naming before it got merged.
> > 
> > Short summary for these methods:
> > 
> > mt65xx-smp:    	For mt65xx socs which wakeup all cores at boot.
> > 
> > 		Tested on mt6589 by Matthias.
> > 
> > mt6580-smp:     Only first core is alive at boot, so need to wakeup
> > 
> > 		other cores using SPM. AFAIK only for mt6580 now.
> > 
> > mt81xx-tz-smp:  For soc which wakeup all cores at boot, and have
> > 
> > 		trustzone firmware. Suitable for mt8127, mt8135.
> 
> Hi Matthias, Arnd,
> 
> Any suggestion on the naming? Is it ok if I just rename mt65xx-smp to
> mt6589-smp since that's the only one we tested?
> 

Yes, that's fine for me.

  reply	other threads:[~2015-07-17 22:04 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Scott Shu <srv_scott.shu@mediatek.com>
2015-06-18  3:35 ` [PATCH 0/6] This series adds SMP support for the MediaTek MT6580 Scott Shu
2015-06-18  3:35   ` [PATCH 1/6] Document: bindings: DT: Add SMP enable method for MT6580 SoC platform Scott Shu
2015-06-18  3:35   ` [PATCH 2/6] soc: Mediatek: Add SCPSYS CPU power domain driver Scott Shu
2015-06-18  3:35   ` [PATCH 3/6] ARM: mediatek: add smp bringup code for MT6580 Scott Shu
2015-06-18  3:35   ` [PATCH 4/6] ARM: Mediatek: enable GPT6 on boot up to make arch timer working " Scott Shu
2015-06-18  3:35   ` [PATCH 5/6] ARM: dts: mt6580: Add device nodes to the MT6580 dtsi file Scott Shu
2015-06-18  3:35   ` [PATCH 6/6] ARM: dts: mt6580: enable basic SMP bringup for mt6580 Scott Shu
2015-06-18 18:01 ` [RESEND PATCH 0/6] This series adds SMP support for the MediaTek MT6580 Scott Shu
2015-06-18 18:01   ` [RESEND PATCH 1/6] Document: bindings: DT: Add SMP enable method for MT6580 SoC platform Scott Shu
2015-06-29  3:03     ` Yingjoe Chen
2015-07-11 10:38       ` Yingjoe Chen
2015-07-17 22:04         ` Matthias Brugger [this message]
2015-06-18 18:01   ` [RESEND PATCH 2/6] soc: Mediatek: Add SCPSYS CPU power domain driver Scott Shu
2015-06-23  5:53     ` Sascha Hauer
2015-07-03  5:58       ` Scott Shu
2015-07-24  2:02       ` Scott Shu
2015-07-24  5:50         ` Sascha Hauer
2015-07-25  9:13           ` Scott Shu
2015-07-27 10:22             ` Matthias Brugger
2015-06-18 18:01   ` [RESEND PATCH 3/6] ARM: mediatek: add smp bringup code for MT6580 Scott Shu
2015-06-18 18:01   ` [RESEND PATCH 4/6] ARM: Mediatek: enable GPT6 on boot up to make arch timer working " Scott Shu
2015-06-18 18:01   ` [RESEND PATCH 5/6] ARM: dts: mt6580: Add device nodes to the MT6580 dtsi file Scott Shu
2015-06-18 18:01   ` [RESEND PATCH 6/6] ARM: dts: mt6580: enable basic SMP bringup for mt6580 Scott Shu
2015-06-18 18:23   ` [RESEND PATCH 0/6] This series adds SMP support for the MediaTek MT6580 Alexey Klimov
2015-07-24 12:59   ` Matthias Brugger
2015-07-24 13:10     ` Scott Shu

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