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drivers: regulator: npm6001: add support for get_mode

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Allow to query operating mode on each BUCK converter (PWM or
Hysteretic).

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-12-21 10:56:20 +01:00 • committed by Carles Cufí
commit 5ec95ef35e
1 changed files with 37 additions and 0 deletions
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37
drivers/regulator/regulator_npm6001.c
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@ -448,6 +448,42 @@ static int regulator_npm6001_set_mode(const struct device *dev,
mode << NPM6001_BUCKXCONFPWMMODE_SETFORCEPWM_POS);
}
static int regulator_npm6001_get_mode(const struct device *dev,
regulator_mode_t *mode)
{
const struct regulator_npm6001_config *config = dev->config;
const struct regulator_npm6001_pconfig *pconfig = config->p->config;
uint8_t conf_reg, conf;
int ret;
switch (config->source) {
case NPM6001_SOURCE_BUCK0:
conf_reg = NPM6001_BUCK0CONFPWMMODE;
break;
case NPM6001_SOURCE_BUCK1:
conf_reg = NPM6001_BUCK1CONFPWMMODE;
break;
case NPM6001_SOURCE_BUCK2:
conf_reg = NPM6001_BUCK2CONFPWMMODE;
break;
case NPM6001_SOURCE_BUCK3:
conf_reg = NPM6001_BUCK3CONFPWMMODE;
break;
default:
return -ENOTSUP;
}
ret = i2c_reg_read_byte_dt(&pconfig->i2c, conf_reg, &conf);
if (ret < 0) {
return ret;
}
*mode = (conf & NPM6001_BUCKXCONFPWMMODE_SETFORCEPWM_MSK) >>
NPM6001_BUCKXCONFPWMMODE_SETFORCEPWM_POS;
return 0;
}
static int regulator_npm6001_enable(const struct device *dev)
{
const struct regulator_npm6001_config *config = dev->config;
@ -610,6 +646,7 @@ static const struct regulator_driver_api api = {
.set_voltage = regulator_npm6001_set_voltage,
.get_voltage = regulator_npm6001_get_voltage,
.set_mode = regulator_npm6001_set_mode,
.get_mode = regulator_npm6001_get_mode,
.get_error_flags = regulator_npm6001_get_error_flags,
};