1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/epit.h b/arch/arm/mach-imx/epit.h
new file mode 100644
index 000000000000..06f4cfdd6690
--- /dev/null
+++ b/arch/arm/mach-imx/epit.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2005-2014 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+#ifndef __PLAT_MXC_EPIT_H
+#define __PLAT_MXC_EPIT_H
+
+
+#define EPITCR		0x00
+#define EPITSR		0x04
+#define EPITLR		0x08
+#define EPITCMPR	0x0c
+#define EPITCNR		0x10
+
+#define EPITCR_EN				(1 << 0)
+#define EPITCR_ENMOD			(1 << 1)
+#define EPITCR_OCIEN			(1 << 2)
+#define EPITCR_RLD				(1 << 3)
+#define EPITCR_PRESC(x)			(((x) & 0xfff) << 4)
+#define EPITCR_SWR				(1 << 16)
+#define EPITCR_IOVW				(1 << 17)
+#define EPITCR_DBGEN			(1 << 18)
+#define EPITCR_WAITEN			(1 << 19)
+#define EPITCR_RES				(1 << 20)
+#define EPITCR_STOPEN			(1 << 21)
+#define EPITCR_OM_DISCON		(0 << 22)
+#define EPITCR_OM_TOGGLE		(1 << 22)
+#define EPITCR_OM_CLEAR			(2 << 22)
+#define EPITCR_OM_SET			(3 << 22)
+#define EPITCR_CLKSRC_OFF		(0 << 24)
+#define EPITCR_CLKSRC_PERIPHERAL	(1 << 24)
+#define EPITCR_CLKSRC_REF_HIGH		(2 << 24)
+#define EPITCR_CLKSRC_REF_LOW		(3 << 24)
+#define EPIT_FREE_RUN_MODE			(0)
+#define EPIT_SET_FORGET_MODE		(1)
+
+#define EPITSR_OCIF					(1 << 0)
+
+
+struct epit_device;
+/*
+ * epit_request - request a epit device
+ */
+struct epit_device *epit_request(int epit_id, const char *label);
+
+/*
+ * epit_free - free a epit device
+ */
+void epit_free(struct epit_device *epit);
+
+/*
+ * epit_config - change a epit device configuration
+ */
+int epit_config(struct epit_device *epit, int mode, void *cb, void *para);
+
+/*
+ * epit_start - start a epit output toggling
+ */
+void epit_start(struct epit_device *epit, int time_ns);
+
+/*
+ * epit_stop - stop a epit output toggling
+ */
+void  epit_stop(struct epit_device *epit);
+
+#endif /* __LINUX_epit_H */
+