1 files changed, 35 insertions, 0 deletions
diff --git a/include/sbi_utils/mailbox/fdt_mailbox.h b/include/sbi_utils/mailbox/fdt_mailbox.h
new file mode 100644
index 00000000..0d5df340
--- /dev/null
+++ b/include/sbi_utils/mailbox/fdt_mailbox.h
@@ -0,0 +1,35 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Ventana Micro Systems Inc.
+ *
+ * Authors:
+ *   Anup Patel <[email protected]>
+ */
+
+#ifndef __FDT_MAILBOX_H__
+#define __FDT_MAILBOX_H__
+
+#include <sbi_utils/fdt/fdt_driver.h>
+#include <sbi_utils/mailbox/mailbox.h>
+
+struct fdt_phandle_args;
+
+/** FDT based mailbox driver */
+struct fdt_mailbox {
+	struct fdt_driver driver;
+	int (*xlate)(struct mbox_controller *mbox,
+		     const struct fdt_phandle_args *pargs,
+		     u32 *out_chan_args);
+};
+
+/** Request a mailbox channel using "mboxes" DT property of client DT node */
+int fdt_mailbox_request_chan(const void *fdt, int nodeoff, int index,
+			     struct mbox_chan **out_chan);
+
+/** Simple xlate function to convert one mailbox FDT cell into channel args */
+int fdt_mailbox_simple_xlate(struct mbox_controller *mbox,
+			     const struct fdt_phandle_args *pargs,
+			     u32 *out_chan_args);
+
+#endif