v4.19.13 snapshot.
diff --git a/arch/mips/include/asm/clock.h b/arch/mips/include/asm/clock.h
new file mode 100644
index 0000000..5a8f96e
--- /dev/null
+++ b/arch/mips/include/asm/clock.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MIPS_CLOCK_H
+#define __ASM_MIPS_CLOCK_H
+
+#include <linux/kref.h>
+#include <linux/list.h>
+#include <linux/seq_file.h>
+#include <linux/clk.h>
+
+struct clk;
+
+struct clk_ops {
+ void (*init) (struct clk *clk);
+ void (*enable) (struct clk *clk);
+ void (*disable) (struct clk *clk);
+ void (*recalc) (struct clk *clk);
+ int (*set_rate) (struct clk *clk, unsigned long rate, int algo_id);
+ long (*round_rate) (struct clk *clk, unsigned long rate);
+};
+
+struct clk {
+ struct list_head node;
+ const char *name;
+ int id;
+ struct module *owner;
+
+ struct clk *parent;
+ struct clk_ops *ops;
+
+ struct kref kref;
+
+ unsigned long rate;
+ unsigned long flags;
+};
+
+#define CLK_ALWAYS_ENABLED (1 << 0)
+#define CLK_RATE_PROPAGATES (1 << 1)
+
+int clk_init(void);
+
+int __clk_enable(struct clk *);
+void __clk_disable(struct clk *);
+
+void clk_recalc_rate(struct clk *);
+
+int clk_register(struct clk *);
+void clk_unregister(struct clk *);
+
+#endif /* __ASM_MIPS_CLOCK_H */