pch_gbe: support 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: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index dc280bc..6c884ef 100644 (file)
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2536,7 +2536,7 @@ config S6GMAC
 source "drivers/net/stmmac/Kconfig"
 
 config PCH_GBE
-       tristate "PCH Gigabit Ethernet"
+       tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7223 IOH GbE"
        depends on PCI
        select MII
        ---help---
@@ -2548,6 +2548,12 @@ config PCH_GBE
          to Gigabit Ethernet.
          This driver enables Gigabit Ethernet function.
 
+         This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
+         Output Hub), ML7223.
+         ML7223 IOH is for MP(Media Phone) use.
+         ML7223 is companion chip for Intel Atom E6xx series.
+         ML7223 is completely compatible for Intel EG20T PCH.
+
 endif # NETDEV_1000
 
 #

diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
index 9f6c402..56d049a 100644 (file)
--- a/drivers/net/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/pch_gbe/pch_gbe_main.c
@@ -34,6 +34,10 @@ const char pch_driver_version[] = DRV_VERSION;
 #define PCH_GBE_COPYBREAK_DEFAULT      256
 #define PCH_GBE_PCI_BAR                        1
 
+/* Macros for ML7223 */
+#define PCI_VENDOR_ID_ROHM                     0x10db
+#define PCI_DEVICE_ID_ROHM_ML7223_GBE          0x8013
+
 #define PCH_GBE_TX_WEIGHT         64
 #define PCH_GBE_RX_WEIGHT         64
 #define PCH_GBE_RX_BUFFER_WRITE   16
@@ -2418,6 +2422,13 @@ static DEFINE_PCI_DEVICE_TABLE(pch_gbe_pcidev_id) = {
         .class = (PCI_CLASS_NETWORK_ETHERNET << 8),
         .class_mask = (0xFFFF00)
         },
+       {.vendor = PCI_VENDOR_ID_ROHM,
+        .device = PCI_DEVICE_ID_ROHM_ML7223_GBE,
+        .subvendor = PCI_ANY_ID,
+        .subdevice = PCI_ANY_ID,
+        .class = (PCI_CLASS_NETWORK_ETHERNET << 8),
+        .class_mask = (0xFFFF00)
+        },
        /* required last entry */
        {0}
 };