v4.19.13 snapshot.
diff --git a/include/clocksource/timer-sp804.h b/include/clocksource/timer-sp804.h
new file mode 100644
index 0000000..a5b41f3
--- /dev/null
+++ b/include/clocksource/timer-sp804.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __CLKSOURCE_TIMER_SP804_H
+#define __CLKSOURCE_TIMER_SP804_H
+
+struct clk;
+
+int __sp804_clocksource_and_sched_clock_init(void __iomem *,
+					     const char *, struct clk *, int);
+int __sp804_clockevents_init(void __iomem *, unsigned int,
+			     struct clk *, const char *);
+void sp804_timer_disable(void __iomem *);
+
+static inline void sp804_clocksource_init(void __iomem *base, const char *name)
+{
+	__sp804_clocksource_and_sched_clock_init(base, name, NULL, 0);
+}
+
+static inline void sp804_clocksource_and_sched_clock_init(void __iomem *base,
+							  const char *name)
+{
+	__sp804_clocksource_and_sched_clock_init(base, name, NULL, 1);
+}
+
+static inline void sp804_clockevents_init(void __iomem *base, unsigned int irq, const char *name)
+{
+	__sp804_clockevents_init(base, irq, NULL, name);
+
+}
+#endif