USB: pch_udc: Support new device LAPIS Semiconductor ML7831 IOH

ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index b21cd37..23a4473 100644 (file)
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -469,7 +469,7 @@ 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
@@ -485,10 +485,11 @@ 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"

diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 550d6dc..729e974 100644 (file)
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -354,6 +354,7 @@ 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 */
@@ -2970,6 +2971,11 @@ 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_ML7831_IOH_UDC),
+               .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+               .class_mask = 0xffffffff,
+       },
        { 0 },
 };