diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 48f9932..ce84ee7 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -340,10 +340,15 @@ static struct regulator_init_data overo_vmmc1 = {
 
 /* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */
 
+static struct twl4030_madc_platform_data overo_madc_data = {
+	.irq_line	= 1,
+};
+
 static struct twl4030_platform_data overo_twldata = {
 	.irq_base	= TWL4030_IRQ_BASE,
 	.irq_end	= TWL4030_IRQ_END,
 	.gpio		= &overo_gpio_data,
+	.madc		= &overo_madc_data,
 	.usb		= &overo_usb_data,
 	.power		= GENERIC3430_T2SCRIPTS_DATA,
 	.vmmc1		= &overo_vmmc1,
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index 769b34b..c5ca36d 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -159,6 +159,7 @@
 
 /* Few power values */
 #define R_CFG_BOOT			0x05
+#define R_GPBR1				0x0C
 #define R_PROTECT_KEY			0x0E
 
 /* access control values for R_PROTECT_KEY */
@@ -166,6 +167,10 @@
 #define KEY_UNLOCK2			0xec
 #define KEY_LOCK			0x00
 
+/* MADC clock values for R_GPBR1 */
+#define MADC_HFCLK_EN			0x80
+#define DEFAULT_MADC_CLK_EN		0x10
+
 /* some fields in R_CFG_BOOT */
 #define HFCLK_FREQ_19p2_MHZ		(1 << 0)
 #define HFCLK_FREQ_26_MHZ		(2 << 0)
@@ -717,6 +722,11 @@ static void __init clocks_init(struct device *dev)
 	ctrl |= HIGH_PERF_SQ;
 	e |= unprotect_pm_master();
 	/* effect->MADC+USB ck en */
+
+	if (twl_has_madc())
+		e |= twl4030_i2c_write_u8(TWL4030_MODULE_INTBR,
+				MADC_HFCLK_EN | DEFAULT_MADC_CLK_EN, R_GPBR1);
+
 	e |= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, ctrl, R_CFG_BOOT);
 	e |= protect_pm_master();