1 files changed, 42 insertions, 0 deletions
diff --git a/chip/host/spi_controller.c b/chip/host/spi_controller.c
new file mode 100644
index 0000000000..83bde96163
--- /dev/null
+++ b/chip/host/spi_controller.c
@@ -0,0 +1,42 @@
+/* Copyright 2019 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Dummy Master SPI driver for unit test.
+ */
+
+#include <stdint.h>
+
+#include "common.h"
+#include "gpio.h"
+
+#include "spi.h"
+
+test_mockable int spi_enable(int port, int enable)
+{
+	return EC_SUCCESS;
+}
+
+test_mockable int spi_transaction(const struct spi_device_t *spi_device,
+				  const uint8_t *txdata, int txlen,
+				  uint8_t *rxdata, int rxlen)
+{
+	return EC_SUCCESS;
+}
+
+test_mockable int spi_transaction_async(const struct spi_device_t *spi_device,
+					const uint8_t *txdata, int txlen,
+					uint8_t *rxdata, int rxlen)
+{
+	return EC_SUCCESS;
+}
+
+test_mockable int spi_transaction_flush(const struct spi_device_t *spi_device)
+{
+	return EC_SUCCESS;
+}
+
+test_mockable int spi_transaction_wait(const struct spi_device_t *spi_device)
+{
+	return EC_SUCCESS;
+}