[PATCH 3/5] mfd: rn5t618: add rtc related registers

[Andreas Kemnade]

Defines for some rtc related registers were missing, also
they were not included in the volatile register list

Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
---
 drivers/mfd/rn5t618-core.c  |  2 ++
 include/linux/mfd/rn5t618.h | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/drivers/mfd/rn5t618-core.c b/drivers/mfd/rn5t618-core.c
index d4ed2865ed8b..0e3ec9dafb40 100644
--- a/drivers/mfd/rn5t618-core.c
+++ b/drivers/mfd/rn5t618-core.c
@@ -32,6 +32,8 @@ static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg)
 	case RN5T618_IR_GPF:
 	case RN5T618_MON_IOIN:
 	case RN5T618_INTMON:
+	case RN5T618_RTC_CTRL1 ... RN5T618_RTC_CTRL2:
+	case RN5T618_RTC_SECONDS ... RN5T618_RTC_YEAR:
 		return true;
 	default:
 		return false;
diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h
index 4d680f34ad2f..eb2ee7a776ab 100644
--- a/include/linux/mfd/rn5t618.h
+++ b/include/linux/mfd/rn5t618.h
@@ -139,6 +139,17 @@
 #define RN5T618_INTPOL			0x9c
 #define RN5T618_INTEN			0x9d
 #define RN5T618_INTMON			0x9e
+
+#define RN5T618_RTC_SECONDS     0xA0
+#define RN5T618_RTC_MDAY        0xA4
+#define RN5T618_RTC_MONTH       0xA5
+#define RN5T618_RTC_YEAR        0xA6
+#define RN5T618_RTC_ADJUST      0xA7
+#define RN5T618_RTC_ALARM_Y_SEC 0xA8
+#define RN5T618_RTC_DAL_MONTH   0xAC
+#define RN5T618_RTC_CTRL1       0xAE
+#define RN5T618_RTC_CTRL2       0xAF
+
 #define RN5T618_PREVINDAC		0xb0
 #define RN5T618_BATDAC			0xb1
 #define RN5T618_CHGCTL1			0xb3
-- 
2.11.0