usb: misc: Add driver for usb4604
This is a minimal driver to support bringing a usb4604 device
from microchip out of reset and into hub mode. The usb4604 device
is related to the usb3503 device, but it didn't seem close enough
to warrant putting both into the same file. This patch borrows
some of the usb3503 structure and trims it down to just handle
the optional reset gpio and adds the i2c command to put the
device into hub mode.
Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/00001716A.pdf
Cc: <devicetree@vger.kernel.org>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
index 3d79faa..3d19927 100644
--- a/drivers/usb/misc/Makefile
+++ b/drivers/usb/misc/Makefile
@@ -24,6 +24,7 @@
obj-$(CONFIG_USB_SEVSEG) += usbsevseg.o
obj-$(CONFIG_USB_YUREX) += yurex.o
obj-$(CONFIG_USB_HSIC_USB3503) += usb3503.o
+obj-$(CONFIG_USB_HSIC_USB4604) += usb4604.o
obj-$(CONFIG_USB_CHAOSKEY) += chaoskey.o
obj-$(CONFIG_UCSI) += ucsi.o