From: Juergen Beisert <[email protected]>

Signed-off-by: Juergen Beisert <[email protected]>
---
 drivers/rtc/rtc-stmp3xxx.c |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index 98f0d3c..7311292 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -53,18 +53,26 @@
 #define STMP3XXX_RTC_PERSISTENT0               0x60
 #define STMP3XXX_RTC_PERSISTENT0_SET           0x64
 #define STMP3XXX_RTC_PERSISTENT0_CLR           0x68
+#define STMP3XXX_RTC_PERSISTENT0_CLOCKSOURCE   (1 << 0)
 #define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN 0x00000002
 #define STMP3XXX_RTC_PERSISTENT0_ALARM_EN      0x00000004
+#define STMP3XXX_RTC_PERSISTENT0_XTAL24MHZ_PWRUP (1 << 4)
+#define STMP3XXX_RTC_PERSISTENT0_XTAL32KHZ_PWRUP (1 << 5)
+#define STMP3XXX_RTC_PERSISTENT0_XTAL32_FREQ   (1 << 6)
+
 #define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE    0x00000080
 
 #define STMP3XXX_RTC_PERSISTENT1               0x70
 /* missing bitmask in headers */
 #define STMP3XXX_RTC_PERSISTENT1_FORCE_UPDATER 0x80000000
 
+enum clock_source { MXS_UNKNOWN, MXS_OSC_24M, MXS_OSC_32K, MXS_OSC_32K768 };
+
 struct stmp3xxx_rtc_data {
        struct rtc_device *rtc;
        void __iomem *io;
        int irq_alarm;
+       enum clock_source clk_src;
 };
 
 #if IS_ENABLED(CONFIG_STMP3XXX_RTC_WATCHDOG)
-- 
1.7.10.4

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