--- /dev/null
+/*
+ * Copyright (C) 2011 Texas Instruments Incorporated
+ * Author: Mark Salter <msalter@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#ifndef _ASM_C6X_DSCR_H
+#define _ASM_C6X_DSCR_H
+
+enum dscr_devstate_t {
+ DSCR_DEVSTATE_ENABLED,
+ DSCR_DEVSTATE_DISABLED,
+};
+
+/*
+ * Set the device state of the device with the given ID.
+ *
+ * Individual drivers should use this to enable or disable the
+ * hardware device. The devid used to identify the device being
+ * controlled should be a property in the device's tree node.
+ */
+extern void dscr_set_devstate(int devid, enum dscr_devstate_t state);
+
+/*
+ * Assert or de-assert an RMII reset.
+ */
+extern void dscr_rmii_reset(int id, int assert);
+
+extern void dscr_probe(void);
+
+#endif /* _ASM_C6X_DSCR_H */