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-rw-r--r--include/drivers/brcm/spi.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/drivers/brcm/spi.h b/include/drivers/brcm/spi.h
new file mode 100644
index 0000000..9d92d8c
--- /dev/null
+++ b/include/drivers/brcm/spi.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2017 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SPI_H
+#define SPI_H
+
+#include <stdint.h>
+
+#define SPI_XFER_BEGIN (1 << 0) /* Assert CS before transfer */
+#define SPI_XFER_END (1 << 1) /* De-assert CS after transfer */
+#define SPI_XFER_QUAD (1 << 2)
+
+int spi_init(void);
+int spi_claim_bus(void);
+void spi_release_bus(void);
+int spi_xfer(uint32_t bitlen, const void *dout, void *din, uint32_t flags);
+
+#endif /* _SPI_H_ */