diff --git a/src/mainboard/google/octopus/mainboard.c b/src/mainboard/google/octopus/mainboard.c
index eda44bad11..fa2075bc3d 100644
--- a/src/mainboard/google/octopus/mainboard.c
+++ b/src/mainboard/google/octopus/mainboard.c
@@ -16,12 +16,14 @@
 #include <arch/acpi.h>
 #include <baseboard/variants.h>
 #include <boardid.h>
+#include <compiler.h>
 #include <console/console.h>
 #include <device/device.h>
 #include <ec/google/chromeec/ec.h>
 #include <ec/ec.h>
 #include <nhlt.h>
 #include <smbios.h>
+#include <soc/cpu.h>
 #include <soc/gpio.h>
 #include <soc/nhlt.h>
 #include <string.h>
@@ -110,3 +112,14 @@ const char *smbios_mainboard_sku(void)
 
 	return sku_str;
 }
+
+void __weak variant_update_devtree(struct device *dev)
+{
+	/* Place holder for common updates. */
+}
+
+void mainboard_devtree_update(struct device *dev)
+{
+	/* Defer to variant for board-specific updates. */
+	variant_update_devtree(dev);
+}
diff --git a/src/mainboard/google/octopus/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/octopus/variants/baseboard/include/baseboard/variants.h
index 87ab7fd2a0..c9d7d7bf85 100644
--- a/src/mainboard/google/octopus/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/octopus/variants/baseboard/include/baseboard/variants.h
@@ -41,4 +41,8 @@ const struct cros_gpio *variant_cros_gpios(size_t *num);
 struct nhlt;
 void variant_nhlt_init(struct nhlt *nhlt);
 
+/* Modify devictree settings during ramstage. */
+struct device;
+void variant_update_devtree(struct device *dev);
+
 #endif /* BASEBOARD_VARIANTS_H */