linux-kernel - Re: [PATCH 11/14] dt-bindings: spi: renesas,rzv2h-rspi: document RZ/T2H and RZ/N2H

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Message-ID: <20251106-anchovy-font-33e9a3b4efe8@spud>
Date: Thu, 6 Nov 2025 17:57:53 +0000
From: Conor Dooley <conor@...nel.org>
To: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
Cc: Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Mark Brown <broonie@...nel.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>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>, linux-spi@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	Conor Dooley <conor.dooley@...rochip.com>
Subject: Re: [PATCH 11/14] dt-bindings: spi: renesas,rzv2h-rspi: document
 RZ/T2H and RZ/N2H

On Wed, Nov 05, 2025 at 11:13:55AM +0200, Cosmin Tanislav wrote:
> The Renesas RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs have four SPI
> peripherals.
> 
> Compared to the previously supported RZ/V2H, these SoCs have a smaller
> FIFO, no resets, and only two clocks: PCLKSPIn and PCLK. PCLKSPIn,
> being the clock from which the SPI transfer clock is generated, is the
> equivalent of the TCLK from V2H.
> 
> Document them, and use RZ/T2H as a fallback for RZ/N2H as the SPIs are
> entirely compatible.
> 
> Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
> Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Why is this a v1 with my ack?

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