37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
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/*
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* OpenFirmware helpers for memory drivers
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*
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* Copyright (C) 2012 Texas Instruments, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __LINUX_MEMORY_OF_REG_H
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#define __LINUX_MEMORY_OF_REG_H
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#if defined(CONFIG_OF) && defined(CONFIG_DDR)
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extern const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np,
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struct device *dev);
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extern const struct lpddr2_timings
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*of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
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u32 device_type, u32 *nr_frequencies);
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#else
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static inline const struct lpddr2_min_tck
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*of_get_min_tck(struct device_node *np, struct device *dev)
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{
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return NULL;
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}
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static inline const struct lpddr2_timings
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*of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
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u32 device_type, u32 *nr_frequencies)
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{
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return NULL;
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}
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#endif /* CONFIG_OF && CONFIG_DDR */
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#endif /* __LINUX_MEMORY_OF_REG_ */
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