33 lines
871 B
C
33 lines
871 B
C
/* 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);
|
|
#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_ */
|