[37/53] USB: pch_udc: Support new device LAPIS Semiconductor ML7831 IOH

[Greg KH]

3.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tomoya MORINAGA <tomoya-linux@xxxxxxxxxxxxxxxxxx>

commit 731ad81e2dd97e3f222361f7b3ff4b35639e46af upstream.

ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/usb/gadget/Kconfig   |    9 +++++----
 drivers/usb/gadget/pch_udc.c |    6 ++++++
 2 files changed, 11 insertions(+), 4 deletions(-)

--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -442,7 +442,7 @@ config USB_LANGWELL
 	   gadget drivers to also be dynamically linked.
 
 config USB_EG20T
-	tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC"
+	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC"
 	depends on PCI
 	select USB_GADGET_DUALSPEED
 	help
@@ -458,10 +458,11 @@ config USB_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
+	  This driver also can be used for LAPIS 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.
+	  ML7831 is for general purpose use.
+	  ML7213/ML7831 is companion chip for Intel Atom E6xx series.
+	  ML7213/ML7831 is completely compatible for Intel EG20T PCH.
 
 config USB_CI13XXX_MSM
 	tristate "MIPS USB CI13xxx for MSM"
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -363,6 +363,7 @@ struct pch_udc_dev {
 #define PCI_DEVICE_ID_INTEL_EG20T_UDC	0x8808
 #define PCI_VENDOR_ID_ROHM		0x10DB
 #define PCI_DEVICE_ID_ML7213_IOH_UDC	0x801D
+#define PCI_DEVICE_ID_ML7831_IOH_UDC	0x8808
 
 static const char	ep0_string[] = "ep0in";
 static DEFINE_SPINLOCK(udc_stall_spinlock);	/* stall spin lock */
@@ -2979,6 +2980,11 @@ static DEFINE_PCI_DEVICE_TABLE(pch_udc_p
 		.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
 		.class_mask = 0xffffffff,
 	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7831_IOH_UDC),
+		.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+		.class_mask = 0xffffffff,
+	},
 	{ 0 },
 };
 


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