--- zzzz-none-000/linux-3.10.107/include/linux/rtc/sirfsoc_rtciobrg.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/rtc/sirfsoc_rtciobrg.h	2021-02-04 17:41:59.000000000 +0000
@@ -9,10 +9,14 @@
 #ifndef _SIRFSOC_RTC_IOBRG_H_
 #define _SIRFSOC_RTC_IOBRG_H_
 
+struct regmap_config;
+
 extern void sirfsoc_rtc_iobrg_besyncing(void);
 
 extern u32 sirfsoc_rtc_iobrg_readl(u32 addr);
 
 extern void sirfsoc_rtc_iobrg_writel(u32 val, u32 addr);
+struct regmap *devm_regmap_init_iobg(struct device *dev,
+				    const struct regmap_config *config);
 
 #endif