2 files changed, 62 insertions, 0 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 02d2e15b2262..9fafa00b8cd4 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1725,6 +1725,61 @@ int regulator_disable_deferred(struct regulator *regulator, int ms)
 }
 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 */
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index d1c238970a6e..8160bc87be28 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -167,6 +167,8 @@ enum regulator_type {
 
  * @vsel_reg: Register for selector when using regulator_regmap_X_voltage_
  * @vsel_mask: Mask for register bitfield used for selector
+ * @enable_reg: Register for control when using regmap enable/disable ops
+ * @enable_mask: Mask for control when using regmap enable/disable ops
  */
 struct regulator_desc {
         const char *name;
@@ -180,6 +182,8 @@ struct regulator_desc {
 
         unsigned int vsel_reg;
         unsigned int vsel_mask;
+        unsigned int enable_reg;
+        unsigned int enable_mask;
 };
 
 /**
@@ -258,6 +262,9 @@ int regulator_mode_to_status(unsigned int);
 
 int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev);
 int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel);
+int regulator_is_enabled_regmap(struct regulator_dev *rdev);
+int regulator_enable_regmap(struct regulator_dev *rdev);
+int regulator_disable_regmap(struct regulator_dev *rdev);
 
 void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);