diff --git a/configs/surface-4.19.config b/configs/surface-4.19.config
index af998b7ed..ebb739620 100644
--- a/configs/surface-4.19.config
+++ b/configs/surface-4.19.config
@@ -7,6 +7,7 @@ CONFIG_INTEL_IPTS_SURFACE=m
 #
 # Surface Aggregator Module
 #
+CONFIG_GPIO_SYSFS=y                         # required for SURFACE_SAM_HPS
 CONFIG_SURFACE_SAM=m
 CONFIG_SURFACE_SAM_SSH=m
 CONFIG_SURFACE_SAM_SSH_DEBUG_DEVICE=y
diff --git a/configs/surface-5.5.config b/configs/surface-5.5.config
index ba9740423..da9494aef 100644
--- a/configs/surface-5.5.config
+++ b/configs/surface-5.5.config
@@ -1,6 +1,7 @@
 #
 # Surface Aggregator Module
 #
+CONFIG_GPIO_SYSFS=y                         # required for SURFACE_SAM_HPS
 CONFIG_SURFACE_SAM=m
 CONFIG_SURFACE_SAM_SSH=m
 CONFIG_SURFACE_SAM_SSH_DEBUG_DEVICE=y