USB: pch_udc: support new device ML7213 IOH

Support new device OKI SEMICONDUCTOR's ML7213 IOH(Input/Output Hub) which is for
IVI(In-Vehicle Infotainment) use.
The ML7213 is companion chip for Intel Atom E6xx series.
The ML7213 is completely compatible for Intel EG20T PCH.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 13 insertions, 1 deletions

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 1dc9739277b4..06bb9d4587e9 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -509,7 +509,7 @@ config USB_LANGWELL
         select USB_GADGET_SELECTED
 
 config USB_GADGET_EG20T
-        boolean "Intel EG20T(Topcliff) USB Device controller"
+        boolean "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC"
         depends on PCI
         select USB_GADGET_DUALSPEED
         help
@@ -525,6 +525,11 @@ config USB_GADGET_EG20T
           This driver dose not support interrupt transfer or isochronous
           transfer modes.
 
+          This driver also can be used for OKI SEMICONDUCTOR's ML7213 which is
+          for IVI(In-Vehicle Infotainment) use.
+          ML7213 is companion chip for Intel Atom E6xx series.
+          ML7213 is completely compatible for Intel EG20T PCH.
+
 config USB_EG20T
         tristate
         depends on USB_GADGET_EG20T
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index dfe927b01ffb..cf0e6da724a9 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -361,6 +361,8 @@ struct pch_udc_dev {
 
 #define PCH_UDC_PCI_BAR                 1
 #define PCI_DEVICE_ID_INTEL_EG20T_UDC   0x8808
+#define PCI_VENDOR_ID_ROHM              0x10DB
+#define PCI_DEVICE_ID_ML7213_IOH_UDC    0x801D
 
 static const char       ep0_string[] = "ep0in";
 static DEFINE_SPINLOCK(udc_stall_spinlock);     /* stall spin lock */
@@ -2931,6 +2933,11 @@ static DEFINE_PCI_DEVICE_TABLE(pch_udc_pcidev_id) = {
                 .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
                 .class_mask = 0xffffffff,
         },
+        {
+                PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7213_IOH_UDC),
+                .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+                .class_mask = 0xffffffff,
+        },
         { 0 },
 };