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Date: Thu, 13 Jun 2024 12:59:02 -0600
From: Rob Herring <robh@kernel.org>
To: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Conor Dooley <conor@kernel.org>, Lee Jones <lee@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	"paulburton@kernel.org" <paulburton@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	"linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>
Subject: Re: [PATCH v2 7/8] du-bindings: mips: cpu: Add img,mips compatible
Message-ID: <20240613185902.GB2286020-robh@kernel.org>
References: <20240612-boston-syscon-v2-0-9f8e1a07fa63@flygoat.com>
 <20240612-boston-syscon-v2-7-9f8e1a07fa63@flygoat.com>
 <20240612-unstuffed-figure-966c90af52bc@spud>
 <ddb36d6c-b54f-4982-b9ca-48c022ce6eb8@app.fastmail.com>
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On Wed, Jun 12, 2024 at 05:59:24PM +0100, Jiaxun Yang wrote:
> 
> 
> 在2024年6月12日六月 下午5:39，Conor Dooley写道：
> > On Wed, Jun 12, 2024 at 12:56:26PM +0100, Jiaxun Yang wrote:
> >> This compatible is used by boston.dts.
> >> 
> >> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> >> ---
> >> note: This is a wildcard compatible for all MIPS CPUs,
> >>       I think we should use something like "riscv" for riscv.
> >
> > riscv systems, other than simulators etc are not meant to use the
> > "riscv" compatible. All of the real CPUs use "vendor,cpu", "riscv".
> > I'd suggest you add specific compatibles for your CPUs.
> 
> Boston can be combined with many different CPUs, thus we need to have
> such compatibles.

Then you'll need different DTs. Different h/w, different DT.

No way we're taking a generic compatible like this.

Rob