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Message-ID: <f0055b0f42388ff0da395bd9de7b86ce40bf77c1.camel@mediatek.com>
Date:   Tue, 18 Jul 2023 06:36:20 +0000
From:   Jason-ch Chen (陳建豪) 
        <Jason-ch.Chen@...iatek.com>
To:     "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "krzysztof.kozlowski@...aro.org" <krzysztof.kozlowski@...aro.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "wenst@...omium.org" <wenst@...omium.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "nfraprado@...labora.com" <nfraprado@...labora.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 4/4] arm64: dts: Add MediaTek MT8188 dts and evaluation
 board and Makefile

Hi Krzysztof,

On Mon, 2023-07-17 at 21:58 +0200, Krzysztof Kozlowski wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  On 17/07/2023 14:03, Jason-ch Chen wrote:
> > From: jason-ch chen <Jason-ch.Chen@...iatek.com>
> > 
> > MT8188 is a SoC based on 64bit ARMv8 architecture. It contains 6
> CA55
> > and 2 CA78 cores. MT8188 share many HW IP with MT65xx series.
> > 
> > We add basic chip support for MediaTek MT8188 on evaluation board.
> > 
> > Signed-off-by: jason-ch chen <Jason-ch.Chen@...iatek.com>
> > Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>
> > ---
> >  arch/arm64/boot/dts/mediatek/Makefile       |   1 +
> >  arch/arm64/boot/dts/mediatek/mt8188-evb.dts | 401 +++++++++
> >  arch/arm64/boot/dts/mediatek/mt8188.dtsi    | 951
> ++++++++++++++++++++
> >  3 files changed, 1353 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt8188-evb.dts
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt8188.dtsi
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/Makefile
> b/arch/arm64/boot/dts/mediatek/Makefile
> > index c99c3372a4b5..9bd2324259a3 100644
> > --- a/arch/arm64/boot/dts/mediatek/Makefile
> > +++ b/arch/arm64/boot/dts/mediatek/Makefile
> > @@ -44,6 +44,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-
> krane-sku0.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku176.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-pumpkin.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-evb.dtb
> > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8188-evb.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-asurada-hayato-r1.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-asurada-spherion-r0.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-evb.dtb
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8188-evb.dts
> b/arch/arm64/boot/dts/mediatek/mt8188-evb.dts
> > new file mode 100644
> > index 000000000000..d8906172390e
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/mediatek/mt8188-evb.dts
> > @@ -0,0 +1,401 @@
> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > +/*
> > + * Copyright (C) 2023 MediaTek Inc.
> > + */
> > +/dts-v1/;
> > +#include "mt8188.dtsi"
> > +#include "mt6359.dtsi"
> > +
> > +/ {
> > +model = "MediaTek MT8188 evaluation board";
> > +compatible = "mediatek,mt8188-evb", "mediatek,mt8188";
> > +
> > +aliases {
> > +serial0 = &uart0;
> > +i2c0 = &i2c0;
> > +i2c1 = &i2c1;
> > +i2c2 = &i2c2;
> > +i2c3 = &i2c3;
> > +i2c4 = &i2c4;
> > +i2c5 = &i2c5;
> > +i2c6 = &i2c6;
> > +mmc0 = &mmc0;
> > +};
> > +
> > +chosen: chosen {
> > +stdout-path = "serial0:115200n8";
> > +kaslr-seed = <0 0>;
> 
> It does not look like you tested the DTS against bindings. Please run
> `make dtbs_check` (see
> Documentation/devicetree/bindings/writing-schema.rst or
> 
https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/
> for instructions).
> 

Thank you for your review.
I actually ran dtbs_check, but it didn't display any problems here. I
will remove it in the next version.

> > +};
> > +
> > +memory@...00000 {
> > +device_type = "memory";
> > +reg = <0 0x40000000 0 0x80000000>;
> > +};
> > +
> > +reserved_memory: reserved-memory {
> > +#address-cells = <2>;
> > +#size-cells = <2>;
> > +ranges;
> > +
> > +scp_mem_reserved: scp_mem_region {
> 
> No underscores in node names.

I will fix it in the next version.

> 
> > +compatible = "shared-dma-pool";
> > +reg = <0 0x50000000 0 0x2900000>;
> > +no-map;
> > +};
> > +};
> 
> 
> Best regards,
> Krzysztof

Thanks,
Jason
> 

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