usb: musb: add support for JZ4740 usb device controller
Add support for Ingenic JZ4740 USB Device Controller through a
specific musb glue layer.
JZ4740 UDC not being OTG compatible and missing some hardware
registers, this musb glue layer is written from scratch to be used in
gadget mode only and take silicon design specifics into account.
Signed-off-by: Apelete Seketeli <apelete@seketeli.net>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 57dfc0c..14d7e72 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -93,6 +93,12 @@
config USB_MUSB_UX500
tristate "Ux500 platforms"
+config USB_MUSB_JZ4740
+ tristate "JZ4740"
+ depends on MACH_JZ4740 || COMPILE_TEST
+ depends on USB_MUSB_GADGET
+ depends on USB_OTG_BLACKLIST_HUB
+
endchoice
config USB_MUSB_AM335X_CHILD
@@ -100,7 +106,7 @@
choice
prompt 'MUSB DMA mode'
- default MUSB_PIO_ONLY if ARCH_MULTIPLATFORM
+ default MUSB_PIO_ONLY if ARCH_MULTIPLATFORM || USB_MUSB_JZ4740
default USB_UX500_DMA if USB_MUSB_UX500
default USB_INVENTRA_DMA if USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
default USB_TI_CPPI_DMA if USB_MUSB_DAVINCI