linux-kernel - Re: [PATCH v3 4/4] arm64: dts: mediatek: add mt6765 support

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Date:   Wed, 4 Jul 2018 15:47:53 +0800
From:   Mars Cheng <mars.cheng@...iatek.com>
To:     Marc Zyngier <marc.zyngier@....com>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "CC Hwang" <cc.hwang@...iatek.com>,
        Loda Chou <loda.chou@...iatek.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <wsd_upstream@...iatek.com>, <linux-serial@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 4/4] arm64: dts: mediatek: add mt6765 support

Hi Marc

On Wed, 2018-07-04 at 08:35 +0100, Marc Zyngier wrote:
> On 04/07/18 02:52, Mars Cheng wrote:
> > This adds basic chip support for MT6765 SoC.
> > 
> > Signed-off-by: Mars Cheng <mars.cheng@...iatek.com>
> > ---
> >  arch/arm64/boot/dts/mediatek/Makefile       |    1 +
> >  arch/arm64/boot/dts/mediatek/mt6765-evb.dts |   33 ++++++
> >  arch/arm64/boot/dts/mediatek/mt6765.dtsi    |  155 +++++++++++++++++++++++++++
> >  3 files changed, 189 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt6765-evb.dts
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt6765.dtsi
> > 
> 
> [...]
> 
> > +
> > +		gic: interrupt-controller@...0000 {
> > +			compatible = "arm,gic-v3";
> > +			#interrupt-cells = <3>;
> > +			#address-cells = <2>;
> > +			#size-cells = <2>;
> > +			#redistributor-regions = <1>;
> > +			interrupt-parent = <&gic>;
> > +			interrupt-controller;
> > +			reg = <0 0x0c000000 0 0x40000>, // distributor
> > +			      <0 0x0c100000 0 0x200000>, // redistributor
> > +			      <0 0x0c400000 0 0x40000>; // gicc
> 
> For the second time: please add *all* the GIC CPU interface regions,
> described in the Cortex-A53 TRM[1] (GICC, GICH, and GICV).
> 

MT6765 has no GICH/GICV/ITS in mediatek design. Have confirmed with our
designer.  

MT6797 had similar question from you. Sorry for not mentioned it first.

http://lists.infradead.org/pipermail/linux-mediatek/2017-February/008074.html

Thanks.
> Thanks,
> 
> 	M.
> 
> [1]
> https://urldefense.proofpoint.com/v2/url?u=http-3A__infocenter.arm.com_help_topic_com.arm.doc.ddi0500g_ch09s02s01.html&d=DwICaQ&c=X9NHckmGz7LNQmqtvpDCYVnn6eFXNivfZeknqiAo-n0&r=Ph_SbcClVGRWmGxVhfr-5CZF9ffiUOE7TZ47ns4ROh4&m=9L01qJc7apuzwLobX_nhN0ik8IFdu_X7hJ139x5dNNw&s=0zeZXtWPeITLj01RSxAQ6NfNkTUu9Il0Dddgk07-6QA&e=