On Thu, 29 Aug 2019 17:22:30 +0800, Chunfeng Yun wrote:

It's used to support dual role switch via GPIO when use Type-B
receptacle, typically the USB ID pin is connected to an input
GPIO, and also used to enable/disable device when the USB Vbus
pin is connected to an input GPIO.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Linus Walleij <redacted>
---
v11 changes:
 1. add Reviewed-by Linus
 2. change compatible as "gpio-usb-b-connector", and remove label
    in example suggested by Rob

v9~v10 no changes

v8 changes:
 1. rename the title
 2. change the compatible as "linux,usb-conn-gpio" instead of
    "linux,typeb-conn-gpio"

v7 changes:
 1. add description for device only mode

v6 changes:
 1. remove status and port nodes in example
 2. make vbus-supply as optional property

v5 changes:
 1. treat type-B connector as child device of USB controller's, but not
    as a separate virtual device, suggested by Rob
 2. put connector's port node under connector node, suggested by Rob

v4 no changes

v3 changes:
 1. treat type-B connector as a virtual device, but not child device of
    USB controller's

v2 changes:
  1. new patch to make binding clear suggested by Hans
---
 .../devicetree/bindings/usb/usb-conn-gpio.txt | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/usb-conn-gpio.txt

Reviewed-by: Rob Herring <robh@kernel.org>


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