[POWERPC] pasemi: GPIO MDIO of_platform driver

MDIO driver for PHY's connected via GPIO as on the PA Semi Electra
eval board.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index ffd96e9..9944ffc 100644
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -209,6 +209,20 @@
 	iommu_init_early_pasemi();
 }
 
+static struct of_device_id pasemi_bus_ids[] = {
+	{ .type = "sdc", },
+	{},
+};
+
+static int __init pasemi_publish_devices(void)
+{
+	/* Publish OF platform devices for southbridge IOs */
+	of_platform_bus_probe(NULL, pasemi_bus_ids, NULL);
+
+	return 0;
+}
+device_initcall(pasemi_publish_devices);
+
 
 /*
  * Called very early, MMU is off, device-tree isn't unflattened