linux-kernel - Re: [PATCH 2/6] dt-bindings: i2c: renesas,riic: Document RZ/T2H support

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Message-ID: <20250530-mandarin-giddily-171a7e285892@spud>
Date: Fri, 30 May 2025 17:05:30 +0100
From: Conor Dooley <conor@...nel.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Chris Brandt <chris.brandt@...esas.com>,
	Andi Shyti <andi.shyti@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	linux-renesas-soc@...r.kernel.org, linux-i2c@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 2/6] dt-bindings: i2c: renesas,riic: Document RZ/T2H
 support

On Fri, May 30, 2025 at 03:31:31PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> Document support for the I2C Bus Interface (RIIC) found on the Renesas
> RZ/T2H (R9A09G077) SoC. The RIIC IP on this SoC is similar to that on
> the RZ/V2H(P) SoC but supports fewer interrupts, lacks FM+ support and
> does not require resets. Due to these differences, add a new compatible
> string `renesas,riic-r9a09g077` for the RZ/T2H SoC.
> 
> Unlike earlier SoCs that use eight distinct interrupts, the RZ/T2H uses
> only four, including a combined error/event interrupt. Update the binding
> schema to reflect this interrupt layout and skip the `resets` property
> check, as it is not required on these SoCs.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Acked-by: Conor Dooley <conor.dooley@...rochip.com>

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