linux-kernel - Re: [PATCH 1/2] dt-bindings: usb: renesas,usbhs: Add RZ/T2H and RZ/N2H support

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Message-ID: <20250805-lent-tiptop-23a687d0cf78@spud>
Date: Tue, 5 Aug 2025 18:10:42 +0100
From: Conor Dooley <conor@...nel.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-renesas-soc@...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 1/2] dt-bindings: usb: renesas,usbhs: Add RZ/T2H and
 RZ/N2H support

On Tue, Aug 05, 2025 at 12:47:29PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> Document the USBHS controller for the Renesas RZ/T2H (r9a09g077) and
> RZ/N2H (r9a09g087) SoCs. While the USBHS block is similar to the one found
> on the RZ/G2L SoC, it differs slightly in terms of interrupt configuration,
> clock/reset requirements, and register bit definitions. Due to these
> differences, a new compatible string `renesas,usbhs-r9a09g077` is
> introduced for the RZ/T2H SoC.
> 
> The USBHS controller on the RZ/N2H (r9a09g087) SoC is identical to that on
> the RZ/T2H, so it uses the `renesas,usbhs-r9a09g077` compatible string as
> a fallback.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

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

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