linux-kernel - Re: [PATCH v8 2/2] arm64: dts: mt8173: Add nor flash node

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Message-ID: <1448505773.9118.19.camel@mhfsdcap03>
Date:	Thu, 26 Nov 2015 10:42:53 +0800
From:	bayi cheng <bayi.cheng@...iatek.com>
To:	Daniel Kurtz <djkurtz@...omium.org>
CC:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	<linux-mtd@...ts.infradead.org>,
	srv_heupstream <srv_heupstream@...iatek.com>,
	<jteki@...nedev.com>, <ezequiel@...guardiasur.com.ar>
Subject: Re: [PATCH v8 2/2] arm64: dts: mt8173: Add nor flash node

On Thu, 2015-11-26 at 09:20 +0800, Daniel Kurtz wrote:
> Hi Bayi, Matthias,
> 
> Sorry for the late review, one comment below...
> 
> On Wed, Nov 18, 2015 at 11:30 AM, Bayi Cheng <bayi.cheng@...iatek.com> wrote:
> > Add Mediatek nor flash node
> >
> > Signed-off-by: Bayi Cheng <bayi.cheng@...iatek.com>
> > Acked-by: Brian Norris <computersforpeace@...il.com>
> > ---
> >  arch/arm64/boot/dts/mediatek/mt8173.dtsi | 18 +++++++++++++++++-
> >  1 file changed, 17 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > index 4dd5f93..7988656 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > @@ -387,7 +387,23 @@
> >                         status = "disabled";
> >                 };
> >
> > -               i2c3: i2c@...10000 {
> > +               nor_flash: spi@...0d000 {
> > +                       compatible = "mediatek,mt8173-nor";
> > +                       reg = <0 0x1100d000 0 0xe0>;
> > +                       clocks = <&pericfg CLK_PERI_SPI>,
> > +                                <&topckgen CLK_TOP_SPINFI_IFR_SEL>;
> > +                       clock-names = "spi", "sf";
> > +                       #address-cells = <1>;
> > +                       #size-cells = <0>;
> > +                       status = "disabled";
> > +
> > +                       flash@0 {
> > +                               compatible = "jedec,spi-nor";
> > +                               reg = <0>;
> > +                       };
> 
> I think this flash@0 node represents the flash device present on the
> board and should therefore be moved to the board-specific .dts.
> 
> -Dan
> 
Hi Daniel, Thanks for your comments, and I will fixed it in the next
patch.
> > +               };
> > +
> > +               i2c3: i2c3@...10000 {
> >                         compatible = "mediatek,mt8173-i2c";
> >                         reg = <0 0x11010000 0 0x70>,
> >                               <0 0x11000280 0 0x80>;
> > --
> > 1.8.1.1.dirty
> >


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