/* SPDX-License-Identifier: GPL-2.0-or-later *//* * OpenFirmware helpers for memory drivers * * Copyright (C) 2012 Texas Instruments, Inc. */ #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);extern const struct lpddr3_min_tck	*of_lpddr3_get_min_tck(struct device_node *np, struct device *dev);extern const struct lpddr3_timings	*of_lpddr3_get_ddr_timings(struct device_node *np_ddr,	struct device *dev, u32 device_type, u32 *nr_frequencies);#elsestatic 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;} 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;}#endif /* CONFIG_OF && CONFIG_DDR */ #endif /* __LINUX_MEMORY_OF_REG_ */