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drivers: regulator: support regulator-boot-on for PMIC driver

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Add support for regulator-boot-on to PMIC driver. Many PMIC devices will
be enabled at boot, so this property allows the regulator framework
to correctly track their state.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2022-10-13 13:11:20 -05:00 • committed by Carles Cufí
commit 842ee0acf3
4 changed files with 23 additions and 4 deletions
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12
drivers/regulator/regulator_pmic.c
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@ -53,6 +53,7 @@ struct regulator_config {
uint8_t enable_mask;
uint8_t enable_val;
bool enable_inverted;
bool boot_on;
uint8_t ilim_reg;
uint8_t ilim_mask;
struct i2c_dt_spec i2c;
@ -502,6 +503,7 @@ static int pmic_reg_init(const struct device *dev)
{
const struct regulator_config *config = dev->config;
struct regulator_data *data = dev->data;
int rc = 0;
/* Cast the voltage array set at compile time to the voltage range
* struct
@ -513,10 +515,13 @@ static int pmic_reg_init(const struct device *dev)
if (!device_is_ready(config->i2c.bus)) {
return -ENODEV;
}
if (config->initial_mode) {
return regulator_set_mode(dev, config->initial_mode);
if (config->boot_on) {
rc = enable_regulator(dev, NULL);
}
return 0;
if (config->initial_mode) {
rc = regulator_set_mode(dev, config->initial_mode);
}
return rc;
}
@ -554,6 +559,7 @@ static const struct regulator_driver_api api = {
.ilim_reg = DT_PROP_OR(node, ilim_reg, 0), \
.ilim_mask = DT_PROP_OR(node, ilim_mask, 0), \
.enable_inverted = DT_PROP(node, enable_inverted), \
.boot_on = DT_PROP_OR(node, regulator_boot_on, false), \
.num_modes = ARRAY_SIZE(pmic_reg_##ord##_allowed_modes), \
.initial_mode = DT_PROP_OR(DT_PARENT(node), regulator_initial_mode, 0), \
.i2c = I2C_DT_SPEC_GET(DT_PARENT(node)), \