[PATCH 00/18] Add USB2.0 support for RZ/G3E

[Conor Dooley]

On Wed, Oct 01, 2025 at 11:26:44PM +0200, Tommaso Merciai wrote:
> Dear All,
> 
> This patch series adds USB2.0 support for the Renesas R9A09G047 (RZ/G3E)
> SoC and enables it on the RZ/G3E SMARC II board.
> The RZ/G3E USB2.0 IP is identical to that used in the RZ/V2H (R9A09G057),
> so the existing support has been extended accordingly.
> 
> The series applies on top of [1] and [2] and includes driver cleanups,
> VBUS/OTG handling fixes, regulator improvements, clock/reset additions,
> and device tree updates for RZ/G3E, RZ/V2H, and RZ/V2N SoCs and boards.
> 
> Thanks & Regards,
> Tommaso

If you're not gonna CC me on all the patches in the series, please at
least CC me on the cover so I have an idea about what is going on in the
rest of the set.
All the bindings are
Acked-by: Conor Dooley <conor.dooley at microchip.com>

Cheers,
Conor.

> 
> [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=1001788
> [2] https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=1006104
> 
> Tommaso Merciai (18):
>   phy: renesas: rcar-gen3-usb2: Use devm_pm_runtime_enable()
>   phy: renesas: rcar-gen3-usb2: Factor out VBUS control logic
>   reset: rzv2h-usb2phy: Simplify pm_runtime driver handling
>   reset: rzv2h-usb2phy: Set VBENCTL register for OTG mode
>   dt-bindings: phy: renesas,usb2-phy: Document USB VBUS regulator
>   phy: renesas: rcar-gen3-usb2: Add regulator for OTG VBUS control
>   regulator: devres: Disable exclusive regulator before releasing
>   dt-bindings: clock: renesas,r9a09g047-cpg: Add USB2 PHY core clocks
>   clk: renesas: r9a09g047: Add clock and reset entries for USB2
>   dt-bindings: usb: renesas,usbhs: Add RZ/G3E SoC support
>   dt-bindings: phy: renesas,usb2-phy: Document RZ/G3E SoC
>   dt-bindings: reset: Document RZ/G3E USB2PHY reset
>   arm64: dts: renesas: r9a09g056: Add USB2.0 PHY VBUS internal regulator
>     node
>   arm64: dts: renesas: r9a09g056n48-rzv2n-evk: Enable USB2 PHY0 VBUS
>     support
>   arm64: dts: renesas: r9a09g057: Add USB2.0 PHY VBUS internal regulator
>     node
>   arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Enable USB2 PHY0 VBUS
>     support
>   arm64: dts: renesas: r9a09g047: Add USB2.0 support
>   arm64: dts: renesas: r9a09g047e57-smarc: Enable USB2.0 support
> 
>  .../bindings/phy/renesas,usb2-phy.yaml        |  10 +-
>  .../reset/renesas,rzv2h-usb2phy-reset.yaml    |   4 +-
>  .../bindings/usb/renesas,usbhs.yaml           |   1 +
>  arch/arm64/boot/dts/renesas/r9a09g047.dtsi    | 122 +++++++++++
>  .../boot/dts/renesas/r9a09g047e57-smarc.dts   |  49 +++++
>  arch/arm64/boot/dts/renesas/r9a09g056.dtsi    |   6 +
>  .../dts/renesas/r9a09g056n48-rzv2n-evk.dts    |   5 +
>  arch/arm64/boot/dts/renesas/r9a09g057.dtsi    |   6 +
>  .../dts/renesas/r9a09g057h44-rzv2h-evk.dts    |   5 +
>  .../boot/dts/renesas/renesas-smarc2.dtsi      |  23 ++
>  drivers/clk/renesas/r9a09g047-cpg.c           |  18 +-
>  drivers/phy/renesas/phy-rcar-gen3-usb2.c      | 199 +++++++++++++-----
>  drivers/regulator/devres.c                    |   8 +-
>  drivers/reset/reset-rzv2h-usb2phy.c           | 105 ++++++---
>  .../dt-bindings/clock/renesas,r9a09g047-cpg.h |   2 +
>  15 files changed, 478 insertions(+), 85 deletions(-)
> 
> -- 
> 2.43.0
> 
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