linux-kernel - Re: [PATCH v6 2/6] dt-bindings: dma: rz-dmac: Document RZ/V2H(P) family of SoCs

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Message-ID: <174541041414.56228.14869219817347630764.robh@kernel.org>
Date: Wed, 23 Apr 2025 07:13:34 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
Cc: Geert Uytterhoeven <geert+renesas@...der.be>,
	devicetree@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	linux-kernel@...r.kernel.org,
	Conor Dooley <conor.dooley@...rochip.com>,
	Vinod Koul <vkoul@...nel.org>, dmaengine@...r.kernel.org,
	Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v6 2/6] dt-bindings: dma: rz-dmac: Document RZ/V2H(P)
 family of SoCs


On Tue, 22 Apr 2025 18:39:33 +0100, Fabrizio Castro wrote:
> Document the Renesas RZ/V2H(P) family of SoCs DMAC block.
> The Renesas RZ/V2H(P) DMAC is very similar to the one found on the
> Renesas RZ/G2L family of SoCs, but there are some differences:
> * It only uses one register area
> * It only uses one clock
> * It only uses one reset
> * Instead of using MID/IRD it uses REQ No
> * It is connected to the Interrupt Control Unit (ICU)
> 
> Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
> Acked-by: Conor Dooley <conor.dooley@...rochip.com>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v5->v6:
> * Reworked the description of `#dma-cells`.
> * Reworked `renesas,icu` related descriptions.
> * Added `reg:`->`minItems: 2` for `renesas,r7s72100-dmac`.
> * Since the structure of the document remains the same, I have kept
>   the tags I have received. Please let me know if that's not okay.
> v4->v5:
> * Removed ACK No from the specification of the dma cell.
> * I have kept the tags received as this is a minor change and the
>   structure remains the same as v4. Please let me know if this is
>   not okay.
> v3->v4:
> * No change.
> v2->v3:
> * No change.
> v1->v2:
> * Removed RZ/V2H DMAC example.
> * Improved the readability of the `if` statement.
> ---
>  .../bindings/dma/renesas,rz-dmac.yaml         | 101 ++++++++++++++----
>  1 file changed, 82 insertions(+), 19 deletions(-)
> 

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