diff --git a/src/soc/intel/braswell/include/soc/gpio.h b/src/soc/intel/braswell/include/soc/gpio.h
index 4ab6592498..c7bfb65d65 100644
--- a/src/soc/intel/braswell/include/soc/gpio.h
+++ b/src/soc/intel/braswell/include/soc/gpio.h
@@ -105,6 +105,7 @@
 #define MMC1_D5_MMIO_OFFSET		GPIO_OFFSET(65)
 #define MMC1_D6_MMIO_OFFSET		GPIO_OFFSET(63)
 #define MMC1_D7_MMIO_OFFSET		GPIO_OFFSET(68)
+#define MMC1_RCLK_OFFSET		GPIO_OFFSET(69)
 #define HV_DDI2_DDC_SDA_MMIO_OFFSET	GPIO_OFFSET(62)
 #define HV_DDI2_DDC_SCL_MMIO_OFFSET	GPIO_OFFSET(67)
 #define CFIO_139_MMIO_OFFSET		GPIO_OFFSET(64)
diff --git a/src/soc/intel/braswell/smihandler.c b/src/soc/intel/braswell/smihandler.c
index dabc0d2ea1..760fba3c8c 100644
--- a/src/soc/intel/braswell/smihandler.c
+++ b/src/soc/intel/braswell/smihandler.c
@@ -117,6 +117,8 @@ static void tristate_gpios(uint32_t val)
 			MMC1_D6_MMIO_OFFSET, val);
 	write32((void *)COMMUNITY_GPSOUTHEAST_BASE +
 			MMC1_D7_MMIO_OFFSET, val);
+	write32((void *)COMMUNITY_GPSOUTHEAST_BASE +
+			MMC1_RCLK_OFFSET, val);
 
 	/* Tri-state HDMI */
 	write32((void *)COMMUNITY_GPNORTH_BASE +