diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
index 37c27af..bd00042 100644
--- a/arch/arm/mach-davinci/da8xx-dt.c
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -39,9 +39,15 @@ static void __init da8xx_init_irq(void)
 
 #ifdef CONFIG_ARCH_DAVINCI_DA850
 
+struct of_dev_auxdata da8xx_auxdata[] __initdata = {
+	OF_DEV_AUXDATA("ti,davinci_mdio", 0x01e24000, "davinci_mdio.0", NULL),
+	{},
+};
+
 static void __init da850_init_machine(void)
 {
-	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     da8xx_auxdata, NULL);
 
 	da8xx_uart_clk_enable();
 }