diff --git a/util/mainboard/google/rex0/template/Makefile.inc b/util/mainboard/google/rex0/template/Makefile.inc
new file mode 100644
index 0000000000..6c29346470
--- /dev/null
+++ b/util/mainboard/google/rex0/template/Makefile.inc
@@ -0,0 +1,5 @@
+bootblock-y += gpio.c
+
+romstage-y += gpio.c
+
+ramstage-y += gpio.c
diff --git a/util/mainboard/google/rex0/template/gpio.c b/util/mainboard/google/rex0/template/gpio.c
new file mode 100644
index 0000000000..b6e346f5a4
--- /dev/null
+++ b/util/mainboard/google/rex0/template/gpio.c
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <types.h>
+#include <soc/gpio.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+const struct pad_config *variant_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}
+
+static const struct cros_gpio cros_gpios[] = {
+};
+
+DECLARE_CROS_GPIOS(cros_gpios);
+
+const struct pad_config *variant_romstage_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}