rtc: rc5t583: add ricoh rc5t583 RTC driver
Add an RTC driver for the RTC device on Ricoh MFD Rc5t583. Ricoh RTC has
3 types of alarms. The current patch adds support for the Y-Alarm of
RC5t583 RTC.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/mfd/rc5t583.h b/include/linux/mfd/rc5t583.h
index 3661c59..36c242e 100644
--- a/include/linux/mfd/rc5t583.h
+++ b/include/linux/mfd/rc5t583.h
@@ -146,6 +146,28 @@
#define RC5T583_GPIO_MON_IOIN 0xAB
#define RC5T583_GPIO_GPOFUNC 0xAC
+/* RTC registers */
+#define RC5T583_RTC_SEC 0xE0
+#define RC5T583_RTC_MIN 0xE1
+#define RC5T583_RTC_HOUR 0xE2
+#define RC5T583_RTC_WDAY 0xE3
+#define RC5T583_RTC_DAY 0xE4
+#define RC5T583_RTC_MONTH 0xE5
+#define RC5T583_RTC_YEAR 0xE6
+#define RC5T583_RTC_ADJ 0xE7
+#define RC5T583_RTC_AW_MIN 0xE8
+#define RC5T583_RTC_AW_HOUR 0xE9
+#define RC5T583_RTC_AW_WEEK 0xEA
+#define RC5T583_RTC_AD_MIN 0xEB
+#define RC5T583_RTC_AD_HOUR 0xEC
+#define RC5T583_RTC_CTL1 0xED
+#define RC5T583_RTC_CTL2 0xEE
+#define RC5T583_RTC_AY_MIN 0xF0
+#define RC5T583_RTC_AY_HOUR 0xF1
+#define RC5T583_RTC_AY_DAY 0xF2
+#define RC5T583_RTC_AY_MONTH 0xF3
+#define RC5T583_RTC_AY_YEAR 0xF4
+
/* RICOH_RC5T583 IRQ definitions */
enum {
RC5T583_IRQ_ONKEY,