diff options
Diffstat (limited to 'drivers/regulator/of_regulator.c')
| -rw-r--r-- | drivers/regulator/of_regulator.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 64c09a37ac7f..163946075656 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -25,7 +25,8 @@ static const char *const regulator_states[PM_SUSPEND_MAX + 1] = { }; static void of_get_regulation_constraints(struct device_node *np, - struct regulator_init_data **init_data) + struct regulator_init_data **init_data, + const struct regulator_desc *desc) { const __be32 *min_uV, *max_uV; struct regulation_constraints *constraints = &(*init_data)->constraints; @@ -81,6 +82,19 @@ static void of_get_regulation_constraints(struct device_node *np, if (!ret) constraints->enable_time = pval; + if (!of_property_read_u32(np, "regulator-initial-mode", &pval)) { + if (desc && desc->of_map_mode) { + ret = desc->of_map_mode(pval); + if (ret == -EINVAL) + pr_err("%s: invalid mode %u\n", np->name, pval); + else + constraints->initial_mode = ret; + } else { + pr_warn("%s: mapping for mode %d not defined\n", + np->name, pval); + } + } + for (i = 0; i < ARRAY_SIZE(regulator_states); i++) { switch (i) { case PM_SUSPEND_MEM: @@ -100,6 +114,21 @@ static void of_get_regulation_constraints(struct device_node *np, if (!suspend_np || !suspend_state) continue; + if (!of_property_read_u32(suspend_np, "regulator-mode", + &pval)) { + if (desc && desc->of_map_mode) { + ret = desc->of_map_mode(pval); + if (ret == -EINVAL) + pr_err("%s: invalid mode %u\n", + np->name, pval); + else + suspend_state->mode = ret; + } else { + pr_warn("%s: mapping for mode %d not defined\n", + np->name, pval); + } + } + if (of_property_read_bool(suspend_np, "regulator-on-in-suspend")) suspend_state->enabled = true; @@ -140,7 +169,7 @@ struct regulator_init_data *of_get_regulator_init_data(struct device *dev, if (!init_data) return NULL; /* Out of memory? */ - of_get_regulation_constraints(node, &init_data); + of_get_regulation_constraints(node, &init_data, desc); return init_data; } EXPORT_SYMBOL_GPL(of_get_regulator_init_data); |