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drivers: regulator: add common init enable API

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Add a new API for drivers that can be called to initialize the regulator
at init time if `regulator-boot-on` or `regulator-always-on` are set.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-12-12 12:25:03 +01:00 • committed by Carles Cufí
commit 539d4aa6e6
4 changed files with 49 additions and 16 deletions
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24
drivers/regulator/regulator_common.c
View file

@ -14,6 +14,30 @@ void regulator_common_data_init(const struct device *dev)
data->refcnt = 0;
}
int regulator_common_init_enable(const struct device *dev)
{
const struct regulator_common_config *config =
(struct regulator_common_config *)dev->config;
struct regulator_common_data *data =
(struct regulator_common_data *)dev->data;
if ((config->flags & REGULATOR_INIT_ENABLED) != 0U) {
const struct regulator_driver_api *api =
(const struct regulator_driver_api *)dev->api;
int ret;
ret = api->enable(dev);
if (ret < 0) {
return ret;
}
data->refcnt++;
}
return 0;
}
int regulator_enable(const struct device *dev)
{
const struct regulator_driver_api *api =

20
drivers/regulator/regulator_fixed.c
View file

@ -67,18 +67,18 @@ static int regulator_fixed_init(const struct device *dev)
return -ENODEV;
}
if ((cfg->common.flags & REGULATOR_INIT_ENABLED) != 0U) {
ret = gpio_pin_configure_dt(&cfg->enable, GPIO_OUTPUT_ACTIVE);
if (ret < 0) {
return ret;
}
ret = gpio_pin_configure_dt(&cfg->enable, GPIO_OUTPUT_INACTIVE);
if (ret < 0) {
return ret;
}
ret = regulator_common_init_enable(dev);
if (ret < 0) {
return ret;
}
if (regulator_is_enabled(dev)) {
k_busy_wait(cfg->startup_delay_us);
} else {
ret = gpio_pin_configure_dt(&cfg->enable, GPIO_OUTPUT_INACTIVE);
if (ret < 0) {
return ret;
}
}
return 0;

7
drivers/regulator/regulator_pca9420.c
View file

@ -300,7 +300,6 @@ static int regulator_pca9420_init(const struct device *dev)
{
const struct regulator_pca9420_config *config = dev->config;
const struct regulator_pca9420_common_config *cconfig = config->parent->config;
int rc = 0;
regulator_common_data_init(dev);
@ -344,11 +343,7 @@ static int regulator_pca9420_init(const struct device *dev)
}
}
if ((config->common.flags & REGULATOR_INIT_ENABLED) != 0U) {
rc = regulator_pca9420_enable(dev);
}
return rc;
return regulator_common_init_enable(dev);
}
int regulator_pca9420_dvs_state_set(const struct device *dev,