linux-kernel - [RFC PATCH v2 0/3] support Samsung Exynos xHCI Controller

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Date:   Thu, 29 Dec 2022 18:57:43 +0900
From:   Daehwan Jung <dh10.jung@...sung.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Felipe Balbi <balbi@...nel.org>
Cc:     linux-usb@...r.kernel.org (open list:USB SUBSYSTEM),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list),
        sc.suh@...sung.com, taehyun.cho@...sung.com,
        jh0801.jung@...sung.com, eomji.oh@...sung.com,
        Daehwan Jung <dh10.jung@...sung.com>
Subject: [RFC PATCH v2 0/3] support Samsung Exynos xHCI Controller

This patchset is to support xHCI Controller on Samsung Exynos SOCs.
Thanks for all reviews on v1 and have tried to modify it well.
I again added "RFC" because I haven't solved below problem when checking dt bindings.

usb@...00000: #size-cells:0:0: 0 was expected
Documentation/devicetree/bindings/usb/snps,dwc3.yaml

Changes in v2 :
- Rename subject of cover letter
    ([RFC,v1,0/2] add xhci-exynos to support Samsung Exynos SOC)
- Add Exynos compatible in xhci platform driver instead making new platform driver.
- Make xhci platform driver as child of dwc3 with DT schema.
- Override roothub ops for xhci platform driver.

Daehwan Jung (3):
  usb: support Samsung Exynos xHCI Controller
  dt-bindings: usb: generic-xhci: add Samsung Exynos compatible
  dt-bindings: usb: snps,dwc3: add generic-xhci as child

 .../devicetree/bindings/usb/generic-xhci.yaml |  2 +
 .../devicetree/bindings/usb/snps,dwc3.yaml    | 29 +++++++++
 drivers/usb/dwc3/drd.c                        |  7 +++
 drivers/usb/dwc3/host.c                       | 33 +++++++++-
 drivers/usb/host/xhci-plat.c                  | 60 ++++++++++++++++++-
 drivers/usb/host/xhci.c                       |  4 ++
 drivers/usb/host/xhci.h                       |  5 ++
 7 files changed, 137 insertions(+), 3 deletions(-)

-- 
2.31.1