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

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Message-ID: <b6311035-9699-4f59-a3fd-8e1114ba9e0d@collabora.com>
Date: Mon, 4 Aug 2025 11:11:50 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Huayu Zong (纵华宇) <Huayu.Zong@...iatek.com>,
 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>,
 "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

Il 04/08/25 11:10, Huayu Zong (纵华宇) ha scritto:
> 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.
> 

By hardware, or because the firmware uses only one core?

I'm asking again because this happened multiple times - with MT8195 and MT8188.

If this is by hardware:

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>