1 files changed, 52 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/rex0/gpio.c b/src/mainboard/google/rex/variants/rex0/gpio.c
new file mode 100644
index 0000000000..c25cb25bdc
--- /dev/null
+++ b/src/mainboard/google/rex/variants/rex0/gpio.c
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <boardid.h>
+#include <soc/gpio.h>
+
+/* Pad configuration in ramstage */
+static const struct pad_config gpio_table[] = {
+	/* ToDo: Fill gpio configuration */
+	/* H08 : UART0_RXD ==> UART_DBG_TX_SOC_RX */
+	PAD_CFG_NF(GPP_H08, NONE, DEEP, NF1),
+	/* H09 : UART0_TXD ==> UART_DBG_RX_SOC_TX */
+	PAD_CFG_NF(GPP_H09, NONE, DEEP, NF1),
+};
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+	/* ToDo: Fill early gpio configuration */
+	/* H08 : UART0_RXD ==> UART_DBG_TX_SOC_RX */
+	PAD_CFG_NF(GPP_H08, NONE, DEEP, NF1),
+	/* H09 : UART0_TXD ==> UART_DBG_RX_SOC_TX */
+	PAD_CFG_NF(GPP_H09, NONE, DEEP, NF1),
+};
+
+static const struct pad_config romstage_gpio_table[] = {
+	/* ToDo: Fill romstage gpio configuration */
+};
+
+const struct pad_config *variant_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
+
+/* Create the stub for romstage gpio, typically use for power sequence */
+const struct pad_config *variant_romstage_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(romstage_gpio_table);
+	return romstage_gpio_table;
+}
+
+static const struct cros_gpio cros_gpios[] = {
+};
+
+DECLARE_WEAK_CROS_GPIOS(cros_gpios);