Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / memory / of_memory.h

diff --git a/kernel/drivers/memory/of_memory.h b/kernel/drivers/memory/of_memory.h
new file mode 100644 (file)
index 0000000..ef2514f
--- /dev/null
+++ b/kernel/drivers/memory/of_memory.h
@@ -0,0 +1,36 @@
+/*
+ * OpenFirmware helpers for memory drivers
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_MEMORY_OF_REG_H
+#define __LINUX_MEMORY_OF_REG_H
+
+#if defined(CONFIG_OF) && defined(CONFIG_DDR)
+extern const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np,
+               struct device *dev);
+extern const struct lpddr2_timings
+       *of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
+       u32 device_type, u32 *nr_frequencies);
+#else
+static inline const struct lpddr2_min_tck
+       *of_get_min_tck(struct device_node *np, struct device *dev)
+{
+       return NULL;
+}
+
+static inline const struct lpddr2_timings
+       *of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
+       u32 device_type, u32 *nr_frequencies)
+{
+       return NULL;
+}
+#endif /* CONFIG_OF && CONFIG_DDR */
+
+#endif /* __LINUX_MEMORY_OF_REG_ */