mb/google/volteer: Create voxel variant

Create the voxel variant of the volteer reference board

BUG=b:157879197
BRANCH=None
TEST=util/abuild/abuild -p none -t google/volteer -x -a
make sure the build includes GOOGLE_VOXEL

Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Change-Id: I8ba5412be211730db84675927c500238cb20ff3d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41968
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/src/mainboard/google/volteer/variants/voxel/gpio.c b/src/mainboard/google/volteer/variants/voxel/gpio.c
new file mode 100644
index 0000000000..a54aeca16a
--- /dev/null
+++ b/src/mainboard/google/volteer/variants/voxel/gpio.c
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Pad configuration in ramstage */
+static const struct pad_config gpio_table[] = {
+
+};
+
+const struct pad_config *variant_base_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+
+};
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
+
+static const struct cros_gpio cros_gpios[] = {
+};
+
+const struct cros_gpio *variant_cros_gpios(size_t *num)
+{
+	*num = ARRAY_SIZE(cros_gpios);
+	return cros_gpios;
+}