linux-kernel - Re: [PATCH v3 04/17] spi: dt-bindings: cdns,qspi-nor: Add Renesas RZ/N1D400 to the list

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Message-ID: <176903695282.294270.16691976045231363256.robh@kernel.org>
Date: Wed, 21 Jan 2026 17:09:13 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: "Miquel Raynal (Schneider Electric)" <miquel.raynal@...tlin.com>
Cc: Vignesh Raghavendra <vigneshr@...com>, linux-kernel@...r.kernel.org,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Santhosh Kumar K <s-k6@...com>, linux-renesas-soc@...r.kernel.org,
	Vaishnav Achath <vaishnav.a@...com>,
	Pascal Eberhard <pascal.eberhard@...com>,
	Magnus Damm <magnus.damm@...il.com>, devicetree@...r.kernel.org,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Mark Brown <broonie@...nel.org>,
	Hervé Codina <herve.codina@...tlin.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	linux-spi@...r.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Pratyush Yadav <pratyush@...nel.org>
Subject: Re: [PATCH v3 04/17] spi: dt-bindings: cdns,qspi-nor: Add Renesas
 RZ/N1D400 to the list


On Wed, 21 Jan 2026 18:05:00 +0100, Miquel Raynal (Schneider Electric) wrote:
> Add support for the Renesas RZ/N1D400 QSPI controller.
> 
> This SoC is identified in the bindings with its other name: r9a06g032.
> It is part of the RZ/N1 family, which contains a "D" and a "S"
> variant. IPs in this SoC are typically described using 2 compatibles:
> the SoC specific compatible and the family compatible. The original
> Cadence IP compatible is dropped because it is unusable on its own.
> 
> Indirect accesses are not supported by this flavour of the Cadence IP,
> which means several properties have no meaning in the scope of the
> Renesas compatible. Let's make sure they are no longer expected nor
> mandatory.
> 
> Tested-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> Signed-off-by: Miquel Raynal (Schneider Electric) <miquel.raynal@...tlin.com>
> ---
>  .../devicetree/bindings/spi/cdns,qspi-nor.yaml     | 33 ++++++++++++++++++++--
>  1 file changed, 31 insertions(+), 2 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>