diff options
Diffstat (limited to 'drivers/mfd/syscon.c')
| -rw-r--r-- | drivers/mfd/syscon.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index b1ff1b1eac..8099419378 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -174,6 +174,25 @@ struct regmap *syscon_regmap_lookup_by_compatible(const char *s) return regmap; } +struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np, + const char *property) +{ + struct device_node *syscon_np; + struct regmap *regmap; + + if (property) + syscon_np = of_parse_phandle(np, property, 0); + else + syscon_np = np; + + if (!syscon_np) + return ERR_PTR(-ENODEV); + + regmap = syscon_node_to_regmap(syscon_np); + + return regmap; +} + static int syscon_probe(struct device_d *dev) { struct syscon *syscon; |