1 files changed, 55 insertions, 0 deletions
diff --git a/sys/dev/fdt/fdt_clock.h b/sys/dev/fdt/fdt_clock.h
new file mode 100644
index 0000000..1d904cf
--- /dev/null
+++ b/sys/dev/fdt/fdt_clock.h
@@ -0,0 +1,55 @@
+/*-
+ * Copyright (c) 2014 Ian Lepore <ian@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef DEV_FDT_CLOCK_H
+#define DEV_FDT_CLOCK_H
+
+#include "fdt_clock_if.h"
+
+/*
+ * Get info about the Nth clock listed in consumer's "clocks" property.
+ *
+ * Returns 0 on success, ENXIO if clock #n not found.
+ */
+int fdt_clock_get_info(device_t consumer, int n, struct fdt_clock_info *info);
+
+/*
+ * Look up "clocks" property in consumer's fdt data and enable or disable all
+ * configured clocks.
+ */
+int fdt_clock_enable_all(device_t consumer);
+int fdt_clock_disable_all(device_t consumer);
+
+/*
+ * [Un]register the given device instance as a driver that implements the
+ * fdt_clock interface.
+ */
+void fdt_clock_register_provider(device_t provider);
+void fdt_clock_unregister_provider(device_t provider);
+
+#endif /* DEV_FDT_CLOCK_H */
+