linux-kernel - Re: [PATCH 1/3] dt-bindings: remoteproc: mediatek: Add binding for mt8189 scp

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Message-ID: <054c15233e27eec29bb88f7839f99b9ccce9691b.camel@mediatek.com>
Date: Mon, 4 Aug 2025 09:10:00 +0000
From: Huayu Zong (纵华宇) <Huayu.Zong@...iatek.com>
To: TingHan Shen (沈廷翰) <TingHan.Shen@...iatek.com>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>, "robh@...nel.org"
	<robh@...nel.org>, "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
	"krzk+dt@...nel.org" <krzk+dt@...nel.org>, "andersson@...nel.org"
	<andersson@...nel.org>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, "mathieu.poirier@...aro.org"
	<mathieu.poirier@...aro.org>
CC: "linux-remoteproc@...r.kernel.org" <linux-remoteproc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH 1/3] dt-bindings: remoteproc: mediatek: Add binding for
 mt8189 scp

On Mon, 2025-08-04 at 10:27 +0200, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> 
> 
> Il 29/07/25 04:31, Huayu Zong ha scritto:
> > Add the compatible for mt8189 SCP to the binding.
> > 
> > Signed-off-by: Huayu Zong <huayu.zong@...iatek.com>
> 
> Is MT8189's SCP really single-core?
> 
> All of the new SoCs have two SCP cores - it's a bit strange to see
> that 8189 has
> only one... hence, please triple check and confirm.
> 
> Cheers,
> Angelo
> 

yes. On the 8189 platform, the architecture design of SCP is a single
core.

> > ---
> >   Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml | 2 ++
> >   1 file changed, 2 insertions(+)
> > 
> > diff --git
> > a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> > b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> > index adc6b3f36fde..88e240430f3f 100644
> > --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> > +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> > @@ -20,6 +20,7 @@ properties:
> >         - mediatek,mt8186-scp
> >         - mediatek,mt8188-scp
> >         - mediatek,mt8188-scp-dual
> > +      - mediatek,mt8189-scp
> >         - mediatek,mt8192-scp
> >         - mediatek,mt8195-scp
> >         - mediatek,mt8195-scp-dual
> > @@ -168,6 +169,7 @@ allOf:
> >               - mediatek,mt8183-scp
> >               - mediatek,mt8186-scp
> >               - mediatek,mt8188-scp
> > +            - mediatek,mt8189-scp
> >       then:
> >         properties:
> >           reg:
> 
> 
>