1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h
new file mode 100644
index 000000000..45570bc21
--- /dev/null
+++ b/include/linux/clkdev.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  include/linux/clkdev.h
+ *
+ *  Copyright (C) 2008 Russell King.
+ *
+ * Helper for the clk API to assist looking up a struct clk.
+ */
+#ifndef __CLKDEV_H
+#define __CLKDEV_H
+
+#include <linux/slab.h>
+
+struct clk;
+struct clk_hw;
+struct device;
+
+struct clk_lookup {
+	struct list_head	node;
+	const char		*dev_id;
+	const char		*con_id;
+	struct clk		*clk;
+	struct clk_hw		*clk_hw;
+};
+
+#define CLKDEV_INIT(d, n, c)	\
+	{			\
+		.dev_id = d,	\
+		.con_id = n,	\
+		.clk = c,	\
+	}
+
+void clkdev_add(struct clk_lookup *cl);
+void clkdev_drop(struct clk_lookup *cl);
+
+struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id,
+	const char *dev_fmt, ...) __printf(3, 4);
+struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id,
+	const char *dev_fmt, ...) __printf(3, 4);
+
+void clkdev_add_table(struct clk_lookup *, size_t);
+int clk_add_alias(const char *, const char *, const char *, struct device *);
+
+int clk_register_clkdev(struct clk *, const char *, const char *);
+int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *);
+
+int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw,
+				const char *con_id, const char *dev_id);
+#endif