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Diffstat (limited to 'drivers/memory/of_memory.h')
-rw-r--r--drivers/memory/of_memory.h44
1 files changed, 34 insertions, 10 deletions
diff --git a/drivers/memory/of_memory.h b/drivers/memory/of_memory.h
index ef2514f553d3..1c4e47fede8a 100644
--- a/drivers/memory/of_memory.h
+++ b/drivers/memory/of_memory.h
@@ -1,23 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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.
+ * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
*/
#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);
+const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np,
+ struct device *dev);
+const struct lpddr2_timings *of_get_ddr_timings(struct device_node *np_ddr,
+ struct device *dev,
+ u32 device_type, u32 *nr_frequencies);
+const struct lpddr3_min_tck *of_lpddr3_get_min_tck(struct device_node *np,
+ struct device *dev);
+const struct lpddr3_timings *
+of_lpddr3_get_ddr_timings(struct device_node *np_ddr,
+ struct device *dev, u32 device_type, u32 *nr_frequencies);
+
+const struct lpddr2_info *of_lpddr2_get_info(struct device_node *np,
+ struct device *dev);
#else
static inline const struct lpddr2_min_tck
*of_get_min_tck(struct device_node *np, struct device *dev)
@@ -31,6 +36,25 @@ static inline const struct lpddr2_timings
{
return NULL;
}
+
+static inline const struct lpddr3_min_tck
+ *of_lpddr3_get_min_tck(struct device_node *np, struct device *dev)
+{
+ return NULL;
+}
+
+static inline const struct lpddr3_timings
+ *of_lpddr3_get_ddr_timings(struct device_node *np_ddr,
+ struct device *dev, u32 device_type, u32 *nr_frequencies)
+{
+ return NULL;
+}
+
+static inline const struct lpddr2_info
+ *of_lpddr2_get_info(struct device_node *np, struct device *dev)
+{
+ return NULL;
+}
#endif /* CONFIG_OF && CONFIG_DDR */
#endif /* __LINUX_MEMORY_OF_REG_ */