diff options
| author | Simon Glass <sjg@chromium.org> | 2016-07-04 11:58:22 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-07-14 20:40:24 -0600 |
| commit | 1e6ca1a6ad7285569b22465b8387db242b310553 (patch) | |
| tree | 3d79ded69e456ca1189337877c5b9deef0ee3025 /drivers/core | |
| parent | a951431e827cfd862a4c095e85e8650a6b8370f7 (diff) | |
dm: core: Add an implementation of regmap_init_mem_platdata()
Add an implementation of this function which mirrors the functions of the
automatic device-tree implementation. This can be used with of-platdata to
create regmaps.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/core')
| -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 dcb1a30d5f..0299ff0879 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 |