v4.19.13 snapshot.
diff --git a/drivers/rtc/rtc-sa1100.h b/drivers/rtc/rtc-sa1100.h
new file mode 100644
index 0000000..cc724f5
--- /dev/null
+++ b/drivers/rtc/rtc-sa1100.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __RTC_SA1100_H__
+#define __RTC_SA1100_H__
+
+#include <linux/kernel.h>
+
+struct clk;
+struct platform_device;
+
+struct sa1100_rtc {
+ spinlock_t lock;
+ void __iomem *rcnr;
+ void __iomem *rtar;
+ void __iomem *rtsr;
+ void __iomem *rttr;
+ int irq_1hz;
+ int irq_alarm;
+ struct rtc_device *rtc;
+ struct clk *clk;
+};
+
+int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info);
+
+#endif