1 files changed, 34 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/berknip/gpio.c b/src/mainboard/google/zork/variants/berknip/gpio.c
new file mode 100644
index 0000000000..f7a1e37e06
--- /dev/null
+++ b/src/mainboard/google/zork/variants/berknip/gpio.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <boardid.h>
+#include <gpio.h>
+#include <soc/gpio.h>
+#include <ec/google/chromeec/ec.h>
+static const struct soc_amd_gpio berknip_v1_gpio_set_stage_ram[] = {
+	/* USB_OC4_L - USB_A1 */
+	PAD_NF(GPIO_14, USB_OC4_L, PULL_UP),
+	/* USB_OC2_L - USB A0 */
+	PAD_NF(GPIO_18, USB_OC2_L, PULL_UP),
+};
+const struct soc_amd_gpio *variant_override_gpio_table(size_t *size)
+{
+	uint32_t board_version;
+
+	/*
+	 * If board version cannot be read, assume that this is an older revision of the board
+	 * and so apply overrides. If board version is provided by the EC, then apply overrides
+	 * if version < 2.
+	 */
+	if (google_chromeec_cbi_get_board_version(&board_version))
+		board_version = 1;
+
+	if (board_version <= 1) {
+		*size = ARRAY_SIZE(berknip_v1_gpio_set_stage_ram);
+		return berknip_v1_gpio_set_stage_ram;
+	}
+
+	*size = 0;
+	return NULL;
+}