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drivers: adc: iadc_gecko: Use pm_device_driver_init

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Enable PM device support by making use of the pm_device_driver_init
helper.

Signed-off-by: Aksel Skauge Mellbye <aksel.mellbye@silabs.com>
This commit is contained in:
Aksel Skauge Mellbye 2025-02-19 16:03:42 +01:00 committed by Benjamin Cabé
parent 5d08177276
commit d2c49544c8
1 changed files with 38 additions and 13 deletions
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51
drivers/adc/iadc_gecko.c
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@ -10,6 +10,7 @@
#include <zephyr/drivers/clock_control.h>
#include <zephyr/drivers/clock_control/clock_control_silabs.h>
#include <zephyr/drivers/pinctrl.h>
#include <zephyr/pm/device.h>
#include <em_iadc.h>
@ -361,29 +362,52 @@ static int adc_gecko_channel_setup(const struct device *dev,
return 0;
}
static int adc_gecko_init(const struct device *dev)
static int adc_gecko_pm_action(const struct device *dev, enum pm_device_action action)
{
int err;
const struct adc_gecko_config *config = dev->config;
if (action == PM_DEVICE_ACTION_RESUME) {
err = clock_control_on(config->clock_dev,
(clock_control_subsys_t)&config->clock_cfg);
if (err < 0) {
return err;
}
err = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_DEFAULT);
if (err < 0 && err != -ENOENT) {
return err;
}
} else if (IS_ENABLED(CONFIG_PM_DEVICE) && (action == PM_DEVICE_ACTION_SUSPEND)) {
err = clock_control_off(config->clock_dev,
(clock_control_subsys_t)&config->clock_cfg);
if (err < 0) {
return err;
}
err = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_SLEEP);
if (err < 0 && err != -ENOENT) {
return err;
}
} else {
return -ENOTSUP;
}
return 0;
}
static int adc_gecko_init(const struct device *dev)
{
const struct adc_gecko_config *config = dev->config;
struct adc_gecko_data *data = dev->data;
err = clock_control_on(config->clock_dev, (clock_control_subsys_t)&config->clock_cfg);
if (err < 0) {
return err;
}
err = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_DEFAULT);
if (err < 0 && err != -ENOENT) {
return err;
}
data->dev = dev;
config->irq_cfg_func();
adc_context_unlock_unconditionally(&data->ctx);
return 0;
return pm_device_driver_init(dev, adc_gecko_pm_action);
}
static DEVICE_API(adc, api_gecko_adc_driver_api) = {
@ -397,6 +421,7 @@ static DEVICE_API(adc, api_gecko_adc_driver_api) = {
#define GECKO_IADC_INIT(n) \
PINCTRL_DT_INST_DEFINE(n); \
PM_DEVICE_DT_INST_DEFINE(n, adc_gecko_pm_action); \
\
static void adc_gecko_config_func_##n(void); \
\
@ -420,7 +445,7 @@ static DEVICE_API(adc, api_gecko_adc_driver_api) = {
irq_enable(DT_INST_IRQN(n)); \
}; \
DEVICE_DT_INST_DEFINE(n, \
&adc_gecko_init, NULL, \
&adc_gecko_init, PM_DEVICE_DT_INST_GET(n), \
&adc_gecko_data_##n, &adc_gecko_config_##n,\
POST_KERNEL, CONFIG_ADC_INIT_PRIORITY, \
&api_gecko_adc_driver_api);