diff --git a/src/ec/google/chromeec/acpi/cros_ec.asl b/src/ec/google/chromeec/acpi/cros_ec.asl
index a5f9202dc8..d41071e731 100644
--- a/src/ec/google/chromeec/acpi/cros_ec.asl
+++ b/src/ec/google/chromeec/acpi/cros_ec.asl
@@ -32,6 +32,17 @@ Device (CREC)
 	})
 #endif
 
+#ifdef EC_ENABLE_SYNC_IRQ_GPIO
+	Name (_CRS, ResourceTemplate ()
+	{
+		GpioInt (Level, ActiveLow, Exclusive, PullDefault, 0x0000,
+		         "\\_SB.GPIO", 0x00, ResourceConsumer, ,)
+		{
+			EC_SYNC_IRQ
+		}
+	})
+#endif
+
 #ifdef EC_ENABLE_MKBP_DEVICE
 	Device (CKSC)
 	{
diff --git a/src/mainboard/google/kahlee/variants/aleena/include/variant/ec.h b/src/mainboard/google/kahlee/variants/aleena/include/variant/ec.h
index e90724ef52..12c6de6255 100644
--- a/src/mainboard/google/kahlee/variants/aleena/include/variant/ec.h
+++ b/src/mainboard/google/kahlee/variants/aleena/include/variant/ec.h
@@ -15,3 +15,9 @@
 
 /* Enable EC backed Keyboard Backlight in ACPI */
 #define EC_ENABLE_KEYBOARD_BACKLIGHT
+
+/*
+ * Enable EC sync interrupt via GPIO controller, EC_SYNC_IRQ is defined in
+ * variant/gpio.h
+ */
+#define EC_ENABLE_SYNC_IRQ_GPIO
diff --git a/src/mainboard/google/kahlee/variants/aleena/include/variant/gpio.h b/src/mainboard/google/kahlee/variants/aleena/include/variant/gpio.h
index 5a6b54044f..3ddabb1f27 100644
--- a/src/mainboard/google/kahlee/variants/aleena/include/variant/gpio.h
+++ b/src/mainboard/google/kahlee/variants/aleena/include/variant/gpio.h
@@ -14,3 +14,6 @@
  */
 
 #include <baseboard/gpio.h>
+
+/* EC sync irq is AGPIO 10 */
+#define EC_SYNC_IRQ	10
diff --git a/src/mainboard/google/kahlee/variants/baseboard/gpio.c b/src/mainboard/google/kahlee/variants/baseboard/gpio.c
index e9ae28c25b..9db26c70d2 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/gpio.c
+++ b/src/mainboard/google/kahlee/variants/baseboard/gpio.c
@@ -117,8 +117,8 @@ static const struct soc_amd_gpio gpio_set_stage_ram[] = {
 	/* GPIO_8 - DDR_ALERT_3V3_L (currently not used) */
 	PAD_GPI(GPIO_8, PULL_UP),
 
-	/* GPIO_10 - SLP_S0_L (currently not used) */
-	PAD_NF(GPIO_10, S0A3_GPIO, PULL_UP),
+	/* GPIO_10 - SLP_S0_L, EC_SYNC_IRQ */
+	PAD_GPI(GPIO_10, PULL_UP),
 
 	/* GPIO_11 - TOUCHSCREEN_INT_3V3_ODL, SCI */
 	PAD_SCI(GPIO_11, PULL_UP, EDGE_LOW),