X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=include%2Frtc.h;h=54e361ea5e83ee28593dddd8178a361b5e1b53f2;hb=9b76b135a49a0014749a52cae9a270d501af7031;hp=c0349668bccb805f01bc1c8096ed1491b27f9599;hpb=aaf5e825606a70ddc8fca8e366d8c16a6fd3cc7c;p=karo-tx-uboot.git

diff --git a/include/rtc.h b/include/rtc.h
index c0349668bc..54e361ea5e 100644
--- a/include/rtc.h
+++ b/include/rtc.h
@@ -50,4 +50,41 @@ void to_tm (int, struct rtc_time *);
 unsigned long mktime (unsigned int, unsigned int, unsigned int,
 		      unsigned int, unsigned int, unsigned int);
 
+/**
+ * rtc_read8() - Read an 8-bit register
+ *
+ * @reg:	Register to read
+ * @return value read
+ */
+int rtc_read8(int reg);
+
+/**
+ * rtc_write8() - Write an 8-bit register
+ *
+ * @reg:	Register to write
+ * @value:	Value to write
+ */
+void rtc_write8(int reg, uchar val);
+
+/**
+ * rtc_read32() - Read a 32-bit value from the RTC
+ *
+ * @reg:	Offset to start reading from
+ * @return value read
+ */
+u32 rtc_read32(int reg);
+
+/**
+ * rtc_write32() - Write a 32-bit value to the RTC
+ *
+ * @reg:	Register to start writing to
+ * @value:	Value to write
+ */
+void rtc_write32(int reg, u32 value);
+
+/**
+ * rtc_init() - Set up the real time clock ready for use
+ */
+void rtc_init(void);
+
 #endif	/* _RTC_H_ */