#include <linux/suspend.h>
#include <linux/delay.h>
#include <linux/of.h>
+#include <linux/regmap.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/driver.h>
}
EXPORT_SYMBOL_GPL(regulator_disable_deferred);
+/**
+ * regulator_is_enabled_regmap - standard is_enabled() for regmap users
+ *
+ * @rdev: regulator to operate on
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * enable_reg and enable_mask fields in their descriptor and then use
+ * this as their is_enabled operation, saving some code.
+ */
+int regulator_is_enabled_regmap(struct regulator_dev *rdev)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
+ if (ret != 0)
+ return ret;
+
+ return (val & rdev->desc->enable_mask) != 0;
+}
+EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap);
+
+/**
+ * regulator_enable_regmap - standard enable() for regmap users
+ *
+ * @rdev: regulator to operate on
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * enable_reg and enable_mask fields in their descriptor and then use
+ * this as their enable() operation, saving some code.
+ */
+int regulator_enable_regmap(struct regulator_dev *rdev)
+{
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ rdev->desc->enable_mask);
+}
+EXPORT_SYMBOL_GPL(regulator_enable_regmap);
+
+/**
+ * regulator_disable_regmap - standard disable() for regmap users
+ *
+ * @rdev: regulator to operate on
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * enable_reg and enable_mask fields in their descriptor and then use
+ * this as their disable() operation, saving some code.
+ */
+int regulator_disable_regmap(struct regulator_dev *rdev)
+{
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, 0);
+}
+EXPORT_SYMBOL_GPL(regulator_disable_regmap);
+
static int _regulator_is_enabled(struct regulator_dev *rdev)
{
/* If we don't know then assume that the regulator is always on */
}
EXPORT_SYMBOL_GPL(regulator_is_supported_voltage);
+/**
+ * regulator_get_voltage_sel_regmap - standard get_voltage_sel for regmap users
+ *
+ * @rdev: regulator to operate on
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * vsel_reg and vsel_mask fields in their descriptor and then use this
+ * as their get_voltage_vsel operation, saving some code.
+ */
+int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
+ if (ret != 0)
+ return ret;
+
+ val &= rdev->desc->vsel_mask;
+ val >>= ffs(rdev->desc->vsel_mask) - 1;
+
+ return val;
+}
+EXPORT_SYMBOL_GPL(regulator_get_voltage_sel_regmap);
+
+/**
+ * regulator_set_voltage_sel_regmap - standard set_voltage_sel for regmap users
+ *
+ * @rdev: regulator to operate on
+ * @sel: Selector to set
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * vsel_reg and vsel_mask fields in their descriptor and then use this
+ * as their set_voltage_vsel operation, saving some code.
+ */
+int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel)
+{
+ sel <<= ffs(rdev->desc->vsel_mask) - 1;
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, sel);
+}
+EXPORT_SYMBOL_GPL(regulator_set_voltage_sel_regmap);
+
static int _regulator_do_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
/**
* regulator_register - register regulator
* @regulator_desc: regulator to register
- * @dev: struct device for the regulator
- * @init_data: platform provided init data, passed through by driver
- * @driver_data: private regulator data
- * @of_node: OpenFirmware node to parse for device tree bindings (may be
- * NULL).
+ * @config: runtime configuration for regulator
*
* Called by regulator drivers to register a regulator.
* Returns 0 on success.
*/
-struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
- struct device *dev, const struct regulator_init_data *init_data,
- void *driver_data, struct device_node *of_node)
+struct regulator_dev *
+regulator_register(const struct regulator_desc *regulator_desc,
+ const struct regulator_config *config)
{
const struct regulation_constraints *constraints = NULL;
+ const struct regulator_init_data *init_data;
static atomic_t regulator_no = ATOMIC_INIT(0);
struct regulator_dev *rdev;
+ struct device *dev;
int ret, i;
const char *supply = NULL;
- if (regulator_desc == NULL)
+ if (regulator_desc == NULL || config == NULL)
return ERR_PTR(-EINVAL);
+ dev = config->dev;
+ WARN_ON(!dev);
+
if (regulator_desc->name == NULL || regulator_desc->ops == NULL)
return ERR_PTR(-EINVAL);
return ERR_PTR(-EINVAL);
}
+ init_data = config->init_data;
+
rdev = kzalloc(sizeof(struct regulator_dev), GFP_KERNEL);
if (rdev == NULL)
return ERR_PTR(-ENOMEM);
mutex_lock(®ulator_list_mutex);
mutex_init(&rdev->mutex);
- rdev->reg_data = driver_data;
+ rdev->reg_data = config->driver_data;
rdev->owner = regulator_desc->owner;
rdev->desc = regulator_desc;
+ rdev->regmap = config->regmap;
INIT_LIST_HEAD(&rdev->consumer_list);
INIT_LIST_HEAD(&rdev->list);
BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);
/* register with sysfs */
rdev->dev.class = ®ulator_class;
- rdev->dev.of_node = of_node;
+ rdev->dev.of_node = config->of_node;
rdev->dev.parent = dev;
dev_set_name(&rdev->dev, "regulator.%d",
atomic_inc_return(®ulator_no) - 1);
if (rdev == NULL)
return;
+ if (rdev->supply)
+ regulator_put(rdev->supply);
mutex_lock(®ulator_list_mutex);
debugfs_remove_recursive(rdev->debugfs);
flush_work_sync(&rdev->disable_work.work);
WARN_ON(rdev->open_count);
unset_regulator_supplies(rdev);
list_del(&rdev->list);
- if (rdev->supply)
- regulator_put(rdev->supply);
kfree(rdev->constraints);
device_unregister(&rdev->dev);
mutex_unlock(®ulator_list_mutex);
projects / ~andy / linux / blobdiff