aboutsummaryrefslogtreecommitdiff
path: root/include/drivers
diff options
context:
space:
mode:
authorSheetal Tigadoli <sheetal.tigadoli@broadcom.com>2020-01-05 21:19:02 +0530
committerSheetal Tigadoli <sheetal.tigadoli@broadcom.com>2020-04-03 17:12:42 +0530
commite3ee7b7dc85fdfd5fd445353ad65cd39302e94f6 (patch)
tree10961b401bb7a22ce971986daa7e006c5ca4f10e /include/drivers
parentbffde63de7a2c1a8534c1d969857d17fa17e30df (diff)
downloadtrusted-firmware-a-e3ee7b7dc85fdfd5fd445353ad65cd39302e94f6.tar.gz
drivers: Add iproc spi driver
Add iproc spi driver Change-Id: I652efab1efd9c487974dae9cb9d98b9b8e3759c4 Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
Diffstat (limited to 'include/drivers')
-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 0000000000..9d92d8cfc3
--- /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_ */