linux-kernel - RE: [PATCH v4 00/13] Add RSPI support for RZ/T2H and RZ/N2H

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Message-ID:
 <TYYPR01MB139555ABC0CE8CB9D685355E185D7A@TYYPR01MB13955.jpnprd01.prod.outlook.com>
Date: Wed, 19 Nov 2025 16:21:07 +0000
From: Cosmin-Gabriel Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
To: Cosmin-Gabriel Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>, 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>, Philipp Zabel <p.zabel@...gutronix.de>
CC: "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
	"linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v4 00/13] Add RSPI support for RZ/T2H and RZ/N2H

> -----Original Message-----
> From: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
> Sent: Wednesday, November 19, 2025 6:14 PM
> To: 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>; Philipp Zabel
> <p.zabel@...gutronix.de>
> Cc: linux-spi@...r.kernel.org; linux-renesas-soc@...r.kernel.org; devicetree@...r.kernel.org; linux-
> kernel@...r.kernel.org; Cosmin-Gabriel Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
> Subject: [PATCH v4 00/13] Add RSPI support for RZ/T2H and RZ/N2H
> 
> V4:
>  * remove conditional minItems: 2 and maxItems: 3 for clocks property
>    since it is already set to that
>  * remove renesas,r9a09g087-rspi check since it implies
>    renesas,r9a09g077-rspi
>  * replace contains: enum: with contains: const: since there's only one
>    compatible to be checked against
> 

Forgot to mention that I dropped the clk patch since Geert queued it up.

> V3:
>  * no changes
> 
> V2:
>  * fix missing unwind goto quit_resets
>  * add resets: false and reset-names: false
> 
> Cosmin Tanislav (13):
>   spi: rzv2h-rspi: make resets optional
>   spi: rzv2h-rspi: make FIFO size chip-specific
>   spi: rzv2h-rspi: make clocks chip-specific
>   spi: rzv2h-rspi: move register writes out of rzv2h_rspi_setup_clock()
>   spi: rzv2h-rspi: avoid recomputing transfer frequency
>   spi: rzv2h-rspi: make transfer clock rate finding chip-specific
>   spi: rzv2h-rspi: add support for using PCLK for transfer clock
>   spi: rzv2h-rspi: add support for variable transfer clock
>   spi: rzv2h-rspi: add support for loopback mode
>   dt-bindings: spi: renesas,rzv2h-rspi: document RZ/T2H and RZ/N2H
>   spi: rzv2h-rspi: add support for RZ/T2H and RZ/N2H
>   arm64: dts: renesas: r9a09g077: Add SPIs support
>   arm64: dts: renesas: r9a09g087: Add SPIs support
> 
>  .../bindings/spi/renesas,rzv2h-rspi.yaml      |  62 +++-
>  arch/arm64/boot/dts/renesas/r9a09g077.dtsi    |  72 ++++
>  arch/arm64/boot/dts/renesas/r9a09g087.dtsi    |  72 ++++
>  drivers/spi/spi-rzv2h-rspi.c                  | 339 +++++++++++++++---
>  4 files changed, 476 insertions(+), 69 deletions(-)
> 
> --
> 2.52.0