mfd: dt-bindings: Provide human readable define for Clocksource mode
ST's Low Power Controller can now operate in three supported modes;
Watchdog, Real Time Clock and most recently as a Clocksource. This new
define will allow the LPC IP to be configured for Clocksource from DT.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/include/dt-bindings/mfd/st-lpc.h b/include/dt-bindings/mfd/st-lpc.h
index e3e6c75..d05894a 100644
--- a/include/dt-bindings/mfd/st-lpc.h
+++ b/include/dt-bindings/mfd/st-lpc.h
@@ -11,5 +11,6 @@
#define ST_LPC_MODE_RTC 0
#define ST_LPC_MODE_WDT 1
+#define ST_LPC_MODE_CLKSRC 2
#endif /* __DT_BINDINGS_ST_LPC_H__ */