diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/regmap.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/regmap.h b/include/regmap.h index e6c59dfbced..7c8ad047599 100644 --- a/include/regmap.h +++ b/include/regmap.h @@ -351,6 +351,25 @@ int regmap_init_mem_platdata(struct udevice *dev, fdt_val_t *reg, int count, int regmap_init_mem_index(ofnode node, struct regmap **mapp, int index); /** + * regmap_init_mem_range() - Set up a new memory region for ofnode with the + * specified range. + * + * @node: The ofnode for the map. + * @r_start: Start of the range. + * @r_size: Size of the range. + * @mapp: Returns allocated map. + * + * Return: 0 in success, -errno otherwise + * + * This creates a regmap with one range where instead of extracting the range + * from 'node', it is created based on the parameters specified. This is + * useful when a driver needs to calculate the base of the regmap at runtime, + * and can't specify it in device tree. + */ +int regmap_init_mem_range(ofnode node, ulong r_start, ulong r_size, + struct regmap **mapp); + +/** * devm_regmap_init() - Initialise register map (device managed) * * @dev: Device that will be interacted with |