linux-kernel - [PATCH v1 0/4] Fix USB controller support for RK3368

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Message-ID: <20250905125318.7956-1-cn.liweihao@gmail.com>
Date: Fri,  5 Sep 2025 20:53:13 +0800
From: WeiHao Li <cn.liweihao@...il.com>
To: heiko@...ech.de,
	robh@...nel.org
Cc: krzk+dt@...nel.org,
	conor+dt@...nel.org,
	linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	WeiHao Li <cn.liweihao@...il.com>
Subject: [PATCH v1 0/4] Fix USB controller support for RK3368

This series fixs USB controller support for the Rockchip RK3368 SoC.

Key changes:
 - Update phy-rockchip-inno-usb2 driver to preperly handle RK3368 usb
   phy initialization and configuration.
 - Add usb PHY node to rk3368.dtsi with correct clocks and register
   mapping.
 - Add missing OHCI node, add missing attribute for usb host node.
 - Add dt-bindings document.

These changes were tested on a RK3368-based board [1]. Both of USB ports
can emumerate device (HID and mass storage).

Main code changes come from the rockchip downstream source [2].

[1] https://ieiao.github.io/wiki/embedded-dev/rockchip/rk3368
[2] https://github.com/rockchip-linux/kernel

Tested-by: WeiHao Li <cn.liweihao@...il.com>
Signed-off-by: WeiHao Li <cn.liweihao@...il.com>

WeiHao Li (4):
  phy: rockchip: inno-usb2: Add usb2 phy support for RK3368
  arm64: dts: rockchip: Add USB2.0 PHY for RK3368
  dt-bindings: phy: rockchip,inno-usb2phy: Document rk3368 usb phy
  arm64: dts: rockchip: Add phys attribute for USB host node

 .../bindings/phy/rockchip,inno-usb2phy.yaml   |  2 +
 arch/arm64/boot/dts/rockchip/rk3368.dtsi      | 47 +++++++++++++++++-
 drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 49 +++++++++++++++++++
 3 files changed, 96 insertions(+), 2 deletions(-)

-- 
2.39.5