linux-kernel - [PATCH 00/11] Add RZ/G3E USB3.2 Gen1 Host Controller support

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Message-ID: <20250820171812.402519-1-biju.das.jz@bp.renesas.com>
Date: Wed, 20 Aug 2025 18:17:47 +0100
From: Biju <biju.das.au@...il.com>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Mathias Nyman <mathias.nyman@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.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>
Cc: Biju Das <biju.das.jz@...renesas.com>,
	linux-clk@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org,
	Wesley Cheng <quic_wcheng@...cinc.com>,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
	Biju Das <biju.das.au@...il.com>
Subject: [PATCH 00/11] Add RZ/G3E USB3.2 Gen1 Host Controller support

From: Biju Das <biju.das.jz@...renesas.com>

Add RZ/G3E USB3.2 Gen1 Host Controller and PHY support. The USB3HOST
is compliant with the Universal Serial Bus 3.2 Specification Revision 1.0.
 - Supports 1 downstream USB receptacles
     - Number of SSP Gen2 or SS ports: 1
     - Number of HS or FS or LS ports: 1
 - Supports Super Speed Plus Gen2x1 (10 Gbps), Super Speed (5 Gbps),
   High Speed (480 Mbps), Full Speed (12Mbps), and Low Speed (1.5 Mbps).
 - Supports all transfer-types: Control, Bulk, Interrupt, Isochronous, and
   these split-transactions.
 - Supports Power Control and Over Current Detection.

Biju Das (11):
  dt-bindings: clock: renesas,r9a09g047-cpg: Add USB3.0 core clocks
  clk: renesas: r9a09g047: Add USB3.0 clocks/resets
  dt-bindings: phy: renesas: Document Renesas RZ/G3E USB3.0 PHY
  phy: renesas: Add Renesas RZ/G3E USB3.0 PHY driver
  usb: host: xhci-rcar: Move R-Car reg definitions
  dt-bindings: usb: Document Renesas RZ/G3E USB3HOST
  usb: host: xhci-plat: Add .post_resume_quirk for struct xhci_plat_priv
  usb: host: xhci-rcar: Add Renesas RZ/G3E USB3 Host driver support
  arm64: dts: renesas: r9a09g047: Add USB3 PHY/Host nodes
  arm64: dts: renesas: r9a09g047e57-smarc: Enable USB3HOST
  arm64: defconfig: Enable RZ/G3E USB3 PHY driver

 .../bindings/phy/renesas,rzg3e-usb3-phy.yaml  |  63 +++++
 .../bindings/usb/renesas,rzg3e-xhci.yaml      |  84 ++++++
 arch/arm64/boot/dts/renesas/r9a09g047.dtsi    |  30 +++
 .../boot/dts/renesas/r9a09g047e57-smarc.dts   |  10 +
 .../boot/dts/renesas/renesas-smarc2.dtsi      |   8 +
 arch/arm64/configs/defconfig                  |   1 +
 drivers/clk/renesas/r9a09g047-cpg.c           |   9 +-
 drivers/phy/renesas/Kconfig                   |   7 +
 drivers/phy/renesas/Makefile                  |   1 +
 drivers/phy/renesas/phy-rzg3e-usb3.c          | 249 ++++++++++++++++++
 drivers/usb/host/Kconfig                      |   2 +-
 drivers/usb/host/xhci-plat.c                  |  14 +
 drivers/usb/host/xhci-plat.h                  |   1 +
 drivers/usb/host/xhci-rcar-regs.h             |  49 ++++
 drivers/usb/host/xhci-rcar.c                  | 100 +++----
 drivers/usb/host/xhci-rzg3e-regs.h            |  12 +
 .../dt-bindings/clock/renesas,r9a09g047-cpg.h |   2 +
 17 files changed, 596 insertions(+), 46 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/phy/renesas,rzg3e-usb3-phy.yaml
 create mode 100644 Documentation/devicetree/bindings/usb/renesas,rzg3e-xhci.yaml
 create mode 100644 drivers/phy/renesas/phy-rzg3e-usb3.c
 create mode 100644 drivers/usb/host/xhci-rcar-regs.h
 create mode 100644 drivers/usb/host/xhci-rzg3e-regs.h

-- 
2.43.0