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

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Message-ID: <20251001212709.579080-1-tommaso.merciai.xr@bp.renesas.com>
Date: Wed,  1 Oct 2025 23:26:44 +0200
From: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
To: tomm.merciai@...il.com
Cc: linux-renesas-soc@...r.kernel.org,
	biju.das.jz@...renesas.com,
	Tommaso Merciai <tommaso.merciai.xr@...renesas.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	linux-phy@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 00/18] Add USB2.0 support for RZ/G3E

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

[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