1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * OpenFirmware helpers for memory drivers
5 * Copyright (C) 2012 Texas Instruments, Inc.
8 #ifndef __LINUX_MEMORY_OF_REG_H
9 #define __LINUX_MEMORY_OF_REG_H
11 #if defined(CONFIG_OF) && defined(CONFIG_DDR)
12 extern const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np,
14 extern const struct lpddr2_timings
15 *of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
16 u32 device_type, u32 *nr_frequencies);
18 static inline const struct lpddr2_min_tck
19 *of_get_min_tck(struct device_node *np, struct device *dev)
24 static inline const struct lpddr2_timings
25 *of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
26 u32 device_type, u32 *nr_frequencies)
30 #endif /* CONFIG_OF && CONFIG_DDR */
32 #endif /* __LINUX_MEMORY_OF_REG_ */