}
EXPORT_SYMBOL(rohm_regulator_set_dvs_levels);
+/*
+ * Few ROHM PMIC ICs have constrains on voltage changing:
+ * BD71837 - only buck 1-4 voltages can be changed when they are enabled.
+ * Other bucks and all LDOs must be disabled when voltage is changed.
+ * BD96801 - LDO voltage levels can be changed when LDOs are disabled.
+ */
+int rohm_regulator_set_voltage_sel_restricted(struct regulator_dev *rdev,
+ unsigned int sel)
+{
+ if (rdev->desc->ops->is_enabled(rdev))
+ return -EBUSY;
+
+ return regulator_set_voltage_sel_regmap(rdev, sel);
+}
+EXPORT_SYMBOL_GPL(rohm_regulator_set_voltage_sel_restricted);
+
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
MODULE_DESCRIPTION("Generic helpers for ROHM PMIC regulator drivers");
const struct regulator_desc *desc,
struct regmap *regmap);
+int rohm_regulator_set_voltage_sel_restricted(struct regulator_dev *rdev,
+ unsigned int sel);
#else
static inline int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs,
struct device_node *np,
{
return 0;
}
+static int rohm_regulator_set_voltage_sel_restricted(struct regulator_dev *rdev,
+ unsigned int sel)
+{
+ return 0;
+}
#endif
#endif