diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index 8bc1373..c7d15de 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -183,6 +183,7 @@
 CONFIG_DM_REGULATOR_SANDBOX=y
 CONFIG_REGULATOR_TPS65090=y
 CONFIG_DM_PWM=y
+CONFIG_PWM_CROS_EC=y
 CONFIG_PWM_SANDBOX=y
 CONFIG_RAM=y
 CONFIG_REMOTEPROC_SANDBOX=y