From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/memory/of_memory.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 drivers/memory/of_memory.h (limited to 'drivers/memory/of_memory.h') diff --git a/drivers/memory/of_memory.h b/drivers/memory/of_memory.h new file mode 100644 index 000000000..1c4e47fed --- /dev/null +++ b/drivers/memory/of_memory.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * OpenFirmware helpers for memory drivers + * + * Copyright (C) 2012 Texas Instruments, Inc. + * Copyright (C) 2020 Krzysztof Kozlowski + */ + +#ifndef __LINUX_MEMORY_OF_REG_H +#define __LINUX_MEMORY_OF_REG_H + +#if defined(CONFIG_OF) && defined(CONFIG_DDR) +const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np, + struct device *dev); +const struct lpddr2_timings *of_get_ddr_timings(struct device_node *np_ddr, + struct device *dev, + u32 device_type, u32 *nr_frequencies); +const struct lpddr3_min_tck *of_lpddr3_get_min_tck(struct device_node *np, + struct device *dev); +const struct lpddr3_timings * +of_lpddr3_get_ddr_timings(struct device_node *np_ddr, + struct device *dev, u32 device_type, u32 *nr_frequencies); + +const struct lpddr2_info *of_lpddr2_get_info(struct device_node *np, + struct device *dev); +#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; +} + +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; +} + +static inline const struct lpddr2_info + *of_lpddr2_get_info(struct device_node *np, struct device *dev) +{ + return NULL; +} +#endif /* CONFIG_OF && CONFIG_DDR */ + +#endif /* __LINUX_MEMORY_OF_REG_ */ -- cgit v1.2.3