USB device driver of Topcliff PCH
This patch adds the USB device driver of EG20T(Topcliff) PCH.
EG20T PCH is the platform controller hub that is going to be used in
Intel's upcoming general embedded platform. All IO peripherals in
EG20T PCH are actually devices sitting on AMBA bus.
EG20T PCH has USB device I/F. Using this I/F, it is able to access system
devices connected to USB device.
Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Acked-by: Michał Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index e511fec..d7b3bbe 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -142,6 +142,11 @@
#define gadget_is_s3c_hsotg(g) 0
#endif
+#ifdef CONFIG_USB_GADGET_EG20T
+#define gadget_is_pch(g) (!strcmp("pch_udc", (g)->name))
+#else
+#define gadget_is_pch(g) 0
+#endif
/**
* usb_gadget_controller_number - support bcdDevice id convention
@@ -200,6 +205,8 @@
return 0x25;
else if (gadget_is_s3c_hsotg(gadget))
return 0x26;
+ else if (gadget_is_pch(gadget))
+ return 0x27;
return -ENOENT;
}