linux-kernel - RE: [RFC 1/3] dt-bindings: riscv: Add StarFive JH7110S SoC and VisionFive 2 Lite board

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Message-ID:
 <ZQ2PR01MB13071F6F2732451DBE3BEE9DE63D2@ZQ2PR01MB1307.CHNPR01.prod.partner.outlook.cn>
Date: Fri, 22 Aug 2025 07:37:29 +0000
From: Hal Feng <hal.feng@...rfivetech.com>
To: Conor Dooley <conor@...nel.org>
CC: Conor Dooley <conor+dt@...nel.org>, Emil Renner Berthing
	<emil.renner.berthing@...onical.com>, Heinrich Schuchardt
	<heinrich.schuchardt@...onical.com>, Rob Herring <robh@...nel.org>, Krzysztof
 Kozlowski <krzk+dt@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, Paul
 Walmsley <paul.walmsley@...ive.com>, Albert Ou <aou@...s.berkeley.edu>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [RFC 1/3] dt-bindings: riscv: Add StarFive JH7110S SoC and
 VisionFive 2 Lite board

> On 22.08.25 02:17, Conor Dooley wrote:
> On Thu, Aug 21, 2025 at 06:09:28PM +0800, Hal Feng wrote:
> > Add device tree bindings for the StarFive JH7110S SoC and the
> > VisionFive 2 Lite board equipped with it.
> >
> > JH7110S SoC is an industrial SoC which can run at -40~85 degrees
> > centigrade and up to 1.25GHz. Its CPU cores and peripherals are mostly
> > similar to those of the JH7110 SoC.
> 
> How "mostly" is mostly? Are there memory map or capability differences?

To be precise, the CPU cores and peripherals are the same as those of the
JH7110 SoC. I will improve the commit description in the next version.

Here are the differences between them: 
JH7110 supports 0~70 degrees centigrade and up to 1.5GHz.
JH7110S supports -40~85 degrees centigrade and up to 1.25GHz.

Best regards,
Hal

> 
> >
> > Signed-off-by: Hal Feng <hal.feng@...rfivetech.com>
> > ---
> >  Documentation/devicetree/bindings/riscv/starfive.yaml | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/riscv/starfive.yaml
> > b/Documentation/devicetree/bindings/riscv/starfive.yaml
> > index 7ef85174353d..a2952490709f 100644
> > --- a/Documentation/devicetree/bindings/riscv/starfive.yaml
> > +++ b/Documentation/devicetree/bindings/riscv/starfive.yaml
> > @@ -33,6 +33,11 @@ properties:
> >                - starfive,visionfive-2-v1.3b
> >            - const: starfive,jh7110
> >
> > +      - items:
> > +          - enum:
> > +              - starfive,visionfive-2-lite
> > +          - const: starfive,jh7110s
> > +
> >  additionalProperties: true
> >
> >  ...
> > --
> > 2.43.2
> >