linux-kernel - [PATCH v1 0/4] Add Google Tensor SoC USB support

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Message-ID: <20251006232125.1833979-1-royluo@google.com>
Date: Mon,  6 Oct 2025 23:21:21 +0000
From: Roy Luo <royluo@...gle.com>
To: 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>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Thinh Nguyen <Thinh.Nguyen@...opsys.com>, 
	Philipp Zabel <p.zabel@...gutronix.de>, Peter Griffin <peter.griffin@...aro.org>, 
	"André Draszik" <andre.draszik@...aro.org>, Tudor Ambarus <tudor.ambarus@...aro.org>
Cc: Joy Chakraborty <joychakr@...gle.com>, Naveen Kumar <mnkumar@...gle.com>, Roy Luo <royluo@...gle.com>, 
	linux-phy@...ts.infradead.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org
Subject: [PATCH v1 0/4] Add Google Tensor SoC USB support

This series introduces support for the USB controller and PHY found on
Google Tensor SoCs (G5 and newer). This includes:

1.  DWC3 Glue Driver: A new glue layer for the Synopsys DesignWare USB 3.0
    controller (DWC3) as integrated into Google Tensor SoCs, including
    hibernation support.
2.  DWC3 DT Bindings: Device Tree binding documentation for the Google
    Tensor SoC DWC3 controller.
3.  USB PHY Driver: A new driver for the Google Tensor SoC USB PHY,
    initially supporting high-speed operations.
4.  USB PHY DT Bindings: Device Tree binding documentation for the Google
    Tensor SoC USB PHY.

Co-developed-by: Joy Chakraborty <joychakr@...gle.com>
Signed-off-by: Joy Chakraborty <joychakr@...gle.com>
Co-developed-by: Naveen Kumar <mnkumar@...gle.com>
Signed-off-by: Naveen Kumar <mnkumar@...gle.com>
Signed-off-by: Roy Luo <royluo@...gle.com>
---
Roy Luo (4):
  usb: dwc3: Add Google SoC DWC3 glue driver
  dt-bindings: usb: dwc3: Add Google SoC DWC3 USB
  usb: dwc3: Add Google SoC USB PHY driver
  dt-bindings: phy: google: Add Google SoC USB PHY

 .../bindings/phy/google,usb-phy.yaml          |  91 +++
 .../bindings/usb/google,snps-dwc3.yaml        | 144 +++++
 drivers/phy/Kconfig                           |   1 +
 drivers/phy/Makefile                          |   1 +
 drivers/phy/google/Kconfig                    |  15 +
 drivers/phy/google/Makefile                   |   2 +
 drivers/phy/google/phy-google-usb.c           | 286 +++++++++
 drivers/usb/dwc3/Kconfig                      |   8 +
 drivers/usb/dwc3/Makefile                     |   1 +
 drivers/usb/dwc3/dwc3-google.c                | 597 ++++++++++++++++++
 10 files changed, 1146 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/google,usb-phy.yaml
 create mode 100644 Documentation/devicetree/bindings/usb/google,snps-dwc3.yaml
 create mode 100644 drivers/phy/google/Kconfig
 create mode 100644 drivers/phy/google/Makefile
 create mode 100644 drivers/phy/google/phy-google-usb.c
 create mode 100644 drivers/usb/dwc3/dwc3-google.c


base-commit: e5f0a698b34ed76002dc5cff3804a61c80233a7a
-- 
2.51.0.618.g983fd99d29-goog