linux-kernel - [PATCH 0/7] Add USB3.0 PHY and host controller support for SpacemiT K1 SoC

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Message-Id: <20250407-b4-k1-usb3-v3-2-v1-0-bf0bcc41c9ba@whut.edu.cn>
Date: Mon, 07 Apr 2025 20:38:45 +0800
From: Ze Huang <huangze@...t.edu.cn>
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>, Yixun Lan <dlan@...too.org>, 
 Ze Huang <huangze@...t.edu.cn>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Thinh Nguyen <Thinh.Nguyen@...opsys.com>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Alexandre Ghiti <alex@...ti.fr>
Cc: linux-phy@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: [PATCH 0/7] Add USB3.0 PHY and host controller support for
 SpacemiT K1 SoC

This patch series introduces support for the USB on the SpacemiT K1 SoC,
including DWC3 host controller, PCIe/USB3.0 combo PHY and the USB2.0 PHY.
The implementation has been tested on the Milk-V Jupiter and BananaPi-f3.

USB3.0 PHY for usb2 is shared with PCIe port A, meaning that only one of
these interfaces (PCIe or USB3.0) can be active at a given time.

Overview of USB controllers on K1 SoC[1]:

Link: https://developer.spacemit.com/documentation?token=AjHDwrW78igAAEkiHracBI9HnTb#part5 [1]
---
Ze Huang (7):
      dt-bindings: phy: spacemit: add K1 USB2 PHY
      dt-bindings: phy: spacemit: add K1 PCIe/USB3 combo PHY
      dt-bindings: usb: add SpacemiT K1 DWC3 glue
      phy: spacemit: support K1 USB2.0 PHY controller
      phy: spacemit: add USB3 support for K1 PCIe/USB3 combo PHY
      usb: dwc3: add spacemit dwc3 glue layer driver
      riscv: dts: spacemit: add usb3.0 support for K1

 .../bindings/phy/spacemit,k1-combphy.yaml          |  53 +++++
 .../devicetree/bindings/phy/spacemit,usb2-phy.yaml |  40 ++++
 .../devicetree/bindings/usb/spacemit,k1-dwc3.yaml  |  78 +++++++
 arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts    |  55 +++++
 arch/riscv/boot/dts/spacemit/k1.dtsi               |  52 +++++
 drivers/phy/Kconfig                                |   1 +
 drivers/phy/Makefile                               |   1 +
 drivers/phy/spacemit/Kconfig                       |  20 ++
 drivers/phy/spacemit/Makefile                      |   3 +
 drivers/phy/spacemit/phy-k1-combphy.c              | 229 +++++++++++++++++++++
 drivers/phy/spacemit/phy-k1-usb2.c                 | 132 ++++++++++++
 drivers/usb/dwc3/Kconfig                           |   7 +
 drivers/usb/dwc3/Makefile                          |   1 +
 drivers/usb/dwc3/dwc3-spacemit.c                   | 127 ++++++++++++
 14 files changed, 799 insertions(+)
---
base-commit: 64e9fdfc89a76fed38d8ddeed72d42ec71957ed9
change-id: 20250407-b4-k1-usb3-v3-2-1682aa492559
prerequisite-message-id: <20250306175750.22480-2-heylenay@....org>
prerequisite-patch-id: e0f9037d659502b7f10588f15b80505724eb9e35
prerequisite-patch-id: 4414e37b16b1bc0039239f07da8c35935efb1601
prerequisite-patch-id: 1e65bc4c0c0d41baef743819c311ad53f6696094
prerequisite-patch-id: 43ef72522e30620f0244e0e22bd844884d89b0cd
prerequisite-patch-id: 73008ee7c04e90cd4e825a3f5bd2e44ec24d8ad3
prerequisite-message-id: <20250328210233.1077035-1-elder@...cstar.com>
prerequisite-patch-id: 9b026005eb6ee1430ab7ca67edfc21de85a19dd2
prerequisite-patch-id: 8ee238181e50c76d92458b149b72fa4909e0fede
prerequisite-patch-id: 66f3ee8eb1cc016112dace699bce292b617a3186
prerequisite-patch-id: c2deec49fc0308a08908fd9badadc10f921af348
prerequisite-patch-id: 99afc2efdffc0fffe47a31e7b07b72af9d1d2e18
prerequisite-patch-id: d06e8cd0fae4c405dbb56832a1fe48bfaa4e0fab
prerequisite-patch-id: 5f53f8bf16fb067628092daebc4831293261aa01
prerequisite-message-id: <20250226115957-GYA45508@...too>
prerequisite-patch-id: 82dd2631d36c3fafb82768d3d89022ed956020c6
prerequisite-patch-id: 5cc63738ba2d463e1840a91a94357f43199bd68f
prerequisite-patch-id: f44247679d46a51c242703eca370ce0e3db2e61f
prerequisite-patch-id: 9d4cd8be42a37798815d0aaae21d3c022f815414

Best regards,
-- 
Ze Huang <huangze@...t.edu.cn>