spi/topcliff-pch: Support new device ML7223 IOH

Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
The ML7223 IOH is for MP(Media Phone) use.
The ML7223 is companion chip for Intel Atom E6xx series.
The ML7223 is completely compatible for Intel EG20T PCH.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/spi/spi-topcliff-pch.c

diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 1b8030b..1d23f38 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -95,11 +95,13 @@
 /* Definition for ML7213 by OKI SEMICONDUCTOR */
 #define PCI_VENDOR_ID_ROHM		0x10DB
 #define PCI_DEVICE_ID_ML7213_SPI	0x802c
+#define PCI_DEVICE_ID_ML7223_SPI	0x800F
 
 /*
  * Set the number of SPI instance max
  * Intel EG20T PCH :		1ch
  * OKI SEMICONDUCTOR ML7213 IOH :	2ch
+ * OKI SEMICONDUCTOR ML7223 IOH :	1ch
 */
 #define PCH_SPI_MAX_DEV			2
 
@@ -212,6 +214,7 @@
 static struct pci_device_id pch_spi_pcidev_id[] = {
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_GE_SPI),    1, },
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_SPI), 2, },
+	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_SPI), 1, },
 	{ }
 };
 
@@ -1711,4 +1714,4 @@
 		 "to use DMA for data transfers pass 1 else 0; default 1");
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH SPI Driver");
+MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR ML7xxx IOH SPI Driver");