From: Shunxi Zhang <ot_shunxi.zhang@mediatek.com>

This patch adds new bit definitions for the RTC_BBPU register in the
mt6397 RTC header file. The following bit definitions are introduced:

Signed-off-by: Shunxi Zhang <ot_shunxi.zhang@mediatek.com>
Signed-off-by: Dhatrisri Anumula <dhatrisri.anumula@mediatek.com>
---

diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h
index 27883af..001cef6 100644
--- a/include/linux/mfd/mt6397/rtc.h
+++ b/include/linux/mfd/mt6397/rtc.h
@@ -15,8 +15,11 @@
 #include <linux/rtc.h>
 
 #define RTC_BBPU               0x0000
+#define RTC_BBPU_PWREN         BIT(0)
+#define RTC_BBPU_CLR           BIT(1)
+#define RTC_BBPU_RESET_AL      BIT(3)
 #define RTC_BBPU_CBUSY         BIT(6)
-#define RTC_BBPU_KEY            (0x43 << 8)
+#define RTC_BBPU_KEY           (0x43 << 8)
 
 #define RTC_WRTGR_MT6358       0x003a
 #define RTC_WRTGR_MT6397       0x003c