projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| e6b42eb6 A |
2 | /* |
| 3 | * OpenFirmware helpers for memory drivers | |
| 4 | * | |
| 5 | * Copyright (C) 2012 Texas Instruments, Inc. | |
| df307273 | 6 | * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org> |
| e6b42eb6 A |
7 | */ |
| 8 | ||
| 9 | #ifndef __LINUX_MEMORY_OF_REG_H | |
| 10 | #define __LINUX_MEMORY_OF_REG_H | |
| 11 | ||
| 7c304d7e | 12 | #if defined(CONFIG_OF) && defined(CONFIG_DDR) |
| df307273 KK |
13 | const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np, |
| 14 | struct device *dev); | |
| 15 | const struct lpddr2_timings *of_get_ddr_timings(struct device_node *np_ddr, | |
| 16 | struct device *dev, | |
| 17 | u32 device_type, u32 *nr_frequencies); | |
| 18 | const struct lpddr3_min_tck *of_lpddr3_get_min_tck(struct device_node *np, | |
| 19 | struct device *dev); | |
| 20 | const struct lpddr3_timings * | |
| 21 | of_lpddr3_get_ddr_timings(struct device_node *np_ddr, | |
| 22 | struct device *dev, u32 device_type, u32 *nr_frequencies); | |
| 38322cf4 DO |
23 | |
| 24 | const struct lpddr2_info *of_lpddr2_get_info(struct device_node *np, | |
| 25 | struct device *dev); | |
| e6b42eb6 A |
26 | #else |
| 27 | static inline const struct lpddr2_min_tck | |
| 28 | *of_get_min_tck(struct device_node *np, struct device *dev) | |
| 29 | { | |
| 30 | return NULL; | |
| 31 | } | |
| 32 | ||
| 33 | static inline const struct lpddr2_timings | |
| 34 | *of_get_ddr_timings(struct device_node *np_ddr, struct device *dev, | |
| 35 | u32 device_type, u32 *nr_frequencies) | |
| 36 | { | |
| 37 | return NULL; | |
| 38 | } | |
| 976897dd LL |
39 | |
| 40 | static inline const struct lpddr3_min_tck | |
| 41 | *of_lpddr3_get_min_tck(struct device_node *np, struct device *dev) | |
| 42 | { | |
| 43 | return NULL; | |
| 44 | } | |
| 45 | ||
| 46 | static inline const struct lpddr3_timings | |
| 47 | *of_lpddr3_get_ddr_timings(struct device_node *np_ddr, | |
| 48 | struct device *dev, u32 device_type, u32 *nr_frequencies) | |
| 49 | { | |
| 50 | return NULL; | |
| 51 | } | |
| 38322cf4 DO |
52 | |
| 53 | static inline const struct lpddr2_info | |
| 54 | *of_lpddr2_get_info(struct device_node *np, struct device *dev) | |
| 55 | { | |
| 56 | return NULL; | |
| 57 | } | |
| 7c304d7e | 58 | #endif /* CONFIG_OF && CONFIG_DDR */ |
| e6b42eb6 A |
59 | |
| 60 | #endif /* __LINUX_MEMORY_OF_REG_ */ |