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regmap: Add API regmap_init_mem_index()

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In device nodes with more than one entry in the reg property,
it is sometimes useful to regmap only of the entries. Add an
API regmap_init_mem_index() to facilitate this.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Faiz Abbas 2019-06-11 00:43:33 +05:30 • committed by Tom Rini
parent 6fca7fb3a0
commit 55a1a09b2a
2 changed files with 44 additions and 0 deletions
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2
include/regmap.h
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@ -330,6 +330,8 @@ int regmap_init_mem(ofnode node, struct regmap **mapp);
int regmap_init_mem_platdata(struct udevice *dev, fdt_val_t *reg, int count,
struct regmap **mapp);
int regmap_init_mem_index(ofnode node, struct regmap **mapp, int index);
/**
* regmap_get_range() - Obtain the base memory address of a regmap range
*