1 files changed, 31 insertions, 0 deletions
diff --git a/include/sbi_utils/regmap/fdt_regmap.h b/include/sbi_utils/regmap/fdt_regmap.h
new file mode 100644
index 00000000..0672162c
--- /dev/null
+++ b/include/sbi_utils/regmap/fdt_regmap.h
@@ -0,0 +1,31 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2023 Ventana Micro Systems Inc.
+ *
+ * Authors:
+ *   Anup Patel <[email protected]>
+ */
+
+#ifndef __FDT_REGMAP_H__
+#define __FDT_REGMAP_H__
+
+#include <sbi_utils/regmap/regmap.h>
+
+struct fdt_phandle_args;
+
+/** FDT based regmap driver */
+struct fdt_regmap {
+	const struct fdt_match *match_table;
+	int (*init)(void *fdt, int nodeoff, u32 phandle,
+		    const struct fdt_match *match);
+};
+
+/** Get regmap instance based on phandle */
+int fdt_regmap_get_by_phandle(void *fdt, u32 phandle,
+			      struct regmap **out_rmap);
+
+/** Get regmap instance based on "regmap' property of the specified DT node */
+int fdt_regmap_get(void *fdt, int nodeoff, struct regmap **out_rmap);
+
+#endif