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60 lines
1.7 KiB
60 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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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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* Copyright (C) 2020 Krzysztof Kozlowski <[email protected]> |
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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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const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np, |
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struct device *dev); |
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const struct lpddr2_timings *of_get_ddr_timings(struct device_node *np_ddr, |
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struct device *dev, |
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u32 device_type, u32 *nr_frequencies); |
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const struct lpddr3_min_tck *of_lpddr3_get_min_tck(struct device_node *np, |
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struct device *dev); |
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const struct lpddr3_timings * |
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of_lpddr3_get_ddr_timings(struct device_node *np_ddr, |
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struct device *dev, u32 device_type, u32 *nr_frequencies); |
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const struct lpddr2_info *of_lpddr2_get_info(struct device_node *np, |
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struct device *dev); |
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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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static inline const struct lpddr3_min_tck |
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*of_lpddr3_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 lpddr3_timings |
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*of_lpddr3_get_ddr_timings(struct device_node *np_ddr, |
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struct device *dev, u32 device_type, u32 *nr_frequencies) |
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{ |
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return NULL; |
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} |
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static inline const struct lpddr2_info |
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*of_lpddr2_get_info(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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#endif /* CONFIG_OF && CONFIG_DDR */ |
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#endif /* __LINUX_MEMORY_OF_REG_ */
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