1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_rtt.h b/arch/arm/mach-at91/include/mach/at91_rtt.h
new file mode 100644
index 0000000000..fe7619a932
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91_rtt.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2010
+ * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
+ *
+ * Real-time Timer
+ * Based on AT91SAM9XE datasheet
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef AT91_RTT_H
+#define AT91_RTT_H
+
+#ifndef __ASSEMBLY__
+
+typedef struct at91_rtt {
+	u32	mr;	/* Mode Register   RW 0x00008000 */
+	u32	ar;	/* Alarm Register  RW 0xFFFFFFFF */
+	u32	vr;	/* Value Register  RO 0x00000000 */
+	u32	sr;	/* Status Register RO 0x00000000 */
+} at91_rtt_t;
+
+#endif /* __ASSEMBLY__ */
+
+#define AT91_RTT_MR_RTPRES	0x0000ffff
+#define AT91_RTT_MR_ALMIEN	0x00010000
+#define AT91_RTT_RTTINCIEN	0x00020000
+#define AT91_RTT_RTTRST	0x00040000
+
+#define AT91_RTT_SR_ALMS	0x00000001
+#define AT91_RTT_SR_RTTINC	0x00000002
+
+#endif