diff options
Diffstat (limited to 'drivers/core')
| -rw-r--r-- | drivers/core/regmap.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index 173ae808909..a9087df32b9 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -164,6 +164,33 @@ err: return ret; } +int regmap_init_mem_range(ofnode node, ulong r_start, ulong r_size, + struct regmap **mapp) +{ + struct regmap *map; + struct regmap_range *range; + + map = regmap_alloc(1); + if (!map) + return -ENOMEM; + + range = &map->ranges[0]; + range->start = r_start; + range->size = r_size; + + if (ofnode_read_bool(node, "little-endian")) + map->endianness = REGMAP_LITTLE_ENDIAN; + else if (ofnode_read_bool(node, "big-endian")) + map->endianness = REGMAP_BIG_ENDIAN; + else if (ofnode_read_bool(node, "native-endian")) + map->endianness = REGMAP_NATIVE_ENDIAN; + else /* Default: native endianness */ + map->endianness = REGMAP_NATIVE_ENDIAN; + + *mapp = map; + return 0; +} + int regmap_init_mem(ofnode node, struct regmap **mapp) { struct regmap_range *range; |