diff options
Diffstat (limited to 'drivers/core/regmap.c')
| -rw-r--r-- | drivers/core/regmap.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index dcb1a30..0299ff0 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -37,10 +37,24 @@ static struct regmap *regmap_alloc_count(int count) } #if CONFIG_IS_ENABLED(OF_PLATDATA) -int regmap_init_mem_platdata(struct udevice *dev, fdt32_t *reg, int size, +int regmap_init_mem_platdata(struct udevice *dev, u32 *reg, int count, struct regmap **mapp) { - /* TODO(sjg@chromium.org): Implement this when needed */ + struct regmap_range *range; + struct regmap *map; + + map = regmap_alloc_count(count); + if (!map) + return -ENOMEM; + + map->base = *reg; + for (range = map->range; count > 0; reg += 2, range++, count--) { + range->start = *reg; + range->size = reg[1]; + } + + *mapp = map; + return 0; } #else |