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From:   Sebastian Reichel <sebastian.reichel@collabora.com>
To:     Heiko Stuebner <heiko@sntech.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        Sebastian Reichel <sebastian.reichel@collabora.com>,
        kernel@collabora.com
Subject: [PATCH v2 0/3] RK3588 USB3 host controller support
Date:   Thu, 20 Jul 2023 19:36:40 +0200
Message-Id: <20230720173643.69553-1-sebastian.reichel@collabora.com>
MIME-Version: 1.0
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Precedence: bulk

Hi,

This adds RK3588 USB3 host controller support. The same DT binding
will be used for the two dual-role controllers, which are also DWC3
based, but using a different PHY and don't need the extra UTMI/PIPE
clocks.

The series has been tested with Radxa Rock 5B, which uses the controller
for the upper USB3 port. The patch enabling &combphy2_psu and &usbhost3_0
for this board will be send separately once this series has been merged.

Changes since PATCHv1:
 * https://lore.kernel.org/all/20230719174015.68153-1-sebastian.reichel@collabora.com/
 * use same compatible for USB3 host and drd controllers (Krzysztof Kozlowski)
 * do not update reset-names (Krzysztof Kozlowski)
   - note: I dropped reset-names property, since there is only one reset line
     anyways. Binding could stay the same, since the reset-names property is
     optional
 * use "ref_clk", "suspend_clk" and "bus_clk" instead of "ref", "suspend" and "bus",
   so that they are the same as in RK3568 (Krzysztof Kozlowski)
 * rename handle name to "usb_host2_xhci" (Michael Riesch)
 * use RK356x style DWC3 binding instead of DWC3399 style
   - required adding an extra patch, so that the DWC3 core supports enabling
     the UTMI/PIPE clocks

-- Sebastian

Sebastian Reichel (3):
  dt-bindings: usb: add rk3588 compatible to rockchip,dwc3
  usb: dwc3: add optional PHY interface clocks
  arm64: dts: rockchip: rk3588s: Add USB3 host controller

 .../bindings/usb/rockchip,dwc3.yaml           | 11 ++++++--
 arch/arm64/boot/dts/rockchip/rk3588s.dtsi     | 21 +++++++++++++++
 drivers/usb/dwc3/core.c                       | 26 +++++++++++++++++++
 drivers/usb/dwc3/core.h                       |  4 +++
 4 files changed, 60 insertions(+), 2 deletions(-)

-- 
2.40.1