linux-kernel - Re: [PATCH 4/5] phy: renesas: rcar-gen3-usb2: Add support for RZ/T2H SoC

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Message-ID: <6ecd2cac-87cb-4921-8c8c-0f04112dff2d@linaro.org>
Date: Wed, 6 Aug 2025 16:07:53 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Prabhakar <prabhakar.csengg@...il.com>, Vinod Koul <vkoul@...nel.org>,
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 Magnus Damm <magnus.damm@...il.com>
Cc: linux-phy@...ts.infradead.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 4/5] phy: renesas: rcar-gen3-usb2: Add support for RZ/T2H
 SoC

On 05/08/2025 14:25, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> Add initial support for the Renesas RZ/T2H SoC to the R-Car Gen3 USB2 PHY
> driver. The RZ/T2H SoC requires configuration of additional
> hardware-specific bits for proper VBUS level control and OTG operation.
> 
> Introduce the `vblvl_ctrl` flag in the SoC-specific driver data to enable
> handling of VBUS level selection logic using `VBCTRL.VBLVL` bits. This is
> required for managing the VBUS status detection and drive logic based on
> SoC-specific needs.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
>   drivers/phy/renesas/phy-rcar-gen3-usb2.c | 85 ++++++++++++++++++++++--
>   1 file changed, 78 insertions(+), 7 deletions(-)
> 
<snip>

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>