[PATCH] mfd: mt6397: Add new bit definitions for RTC_BBPU register

From: mtk34418

Date: Mon May 25 2026 - 05:15:37 EST


From: Shunxi Zhang <ot_shunxi.zhang@xxxxxxxxxxxx>

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@xxxxxxxxxxxx>
Signed-off-by: Dhatrisri Anumula <dhatrisri.anumula@xxxxxxxxxxxx>
---

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