linux-kernel - [PATCH 0/5] add USB Type-B connector driver

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Message-ID: <1552025622-15582-1-git-send-email-chunfeng.yun@mediatek.com>
Date:   Fri, 8 Mar 2019 14:13:37 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
CC:     Mark Rutland <mark.rutland@....com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Adam Thomson <Adam.Thomson.Opensource@...semi.com>,
        Li Jun <jun.li@....com>,
        Badhri Jagan Sridharan <badhri@...gle.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Min Guo <min.guo@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>
Subject: [PATCH 0/5] add USB Type-B connector driver

Because the USB Connector is introduced and the requirement of
usb-connector.txt binding, the old way using extcon to support
USB Dual-Role switch is now deprecated, meanwhile there is no
available common driver when use Type-B connector.
This patch series introduce a Type-B connector driver and try
to replace the function provided by extcon-usb-gpio driver.
The main purpose of the patches is also to solve the Type-B
connector problem encountered in [1].

[1]: https://patchwork.kernel.org/patch/10819377/

Chunfeng Yun (5):
  dt-bindings: connector: add optional properties for Type-B
  dt-bindings: usb: mtu3: add properties about USB Role Switch
  usb: roles: add API to get usb_role_switch by node
  usb: roles: add USB Type-B connector driver
  usb: mtu3: register a USB Role Switch for Dual-Role mode

 .../bindings/connector/usb-connector.txt      |  10 +
 .../devicetree/bindings/usb/mediatek,mtu3.txt |  10 +-
 drivers/usb/mtu3/mtu3.h                       |   5 +
 drivers/usb/mtu3/mtu3_dr.c                    |  50 ++-
 drivers/usb/mtu3/mtu3_plat.c                  |   3 +-
 drivers/usb/roles/Kconfig                     |  14 +
 drivers/usb/roles/Makefile                    |   1 +
 drivers/usb/roles/class.c                     |  30 ++
 drivers/usb/roles/usb-b-connector.c           | 285 ++++++++++++++++++
 include/linux/usb/role.h                      |   1 +
 10 files changed, 403 insertions(+), 6 deletions(-)
 create mode 100644 drivers/usb/roles/usb-b-connector.c

-- 
2.20.1