usb: dwc3: add dual role support using OTG block

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This is useful on platforms (e.g. TI AM437x) that don't
have ID available on a GPIO but do have the OTG block.

We can obtain the ID state via the OTG block and use it
for dual-role switching.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

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Roger Quadros 2018-02-27 13:30:19 +02:00 • committed by Felipe Balbi

parent 43bcf64e5c

commit f09cc79b4b

3 changed files with 557 additions and 28 deletions

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67

drivers/usb/dwc3/core.c

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29

drivers/usb/dwc3/core.h

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489

drivers/usb/dwc3/drd.c

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