linux-kernel - Re: [PATCH v3 1/3] dt-bindings: spi: apple,spi: Add binding for Apple SPI controllers

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Message-ID: <20241102083608.GA308136@robin.jannau.net>
Date: Sat, 2 Nov 2024 09:36:08 +0100
From: Janne Grunau <j@...nau.net>
To: Nick Chan <towinchenmi@...il.com>
Cc: Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>,
	Alyssa Rosenzweig <alyssa@...enzweig.io>,
	Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, asahi@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-spi@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] dt-bindings: spi: apple,spi: Add binding for
 Apple SPI controllers

On Sat, Nov 02, 2024 at 10:36:56AM +0800, Nick Chan wrote:
> 
> 
> On 2/11/2024 03:26, Janne Grunau via B4 Relay wrote:
> 
> [...]
> > +properties:
> > +  compatible:
> > +    items:
> > +      - enum:
> > +          - apple,t8103-spi
> > +          - apple,t8112-spi
> > +          - apple,t6000-spi
> > +      - const: apple,spi
> Apple A7-A11 SoCs seems to use a Samsung SPI block, so apple,spi is too
> generic. Fallback to something like apple,t8103-spi instead.

Have you looked at it? This one still seems to be somehow Samsung
related. See the previous discussion at
https://lore.kernel.org/linux-devicetree/d87ae109-4b58-7465-b16e-3bf7c9d60f1f@marcan.st/

Even the A7-A11 SPI controllers are not compatible "apple,spi" doesn't
prevent us from using something like "apple,s5l-spi" for those.

Janne