dm: regulator: support regulator more state

[oweals/u-boot.git] / include / power / regulator.h

diff --git a/include/power/regulator.h b/include/power/regulator.h
index 6c6e2cd4f99635611c0bc19f8969ebfa268f762c..74938dd61e49287e378902c5f4a20b2f2306023d 100644 (file)
--- a/include/power/regulator.h
+++ b/include/power/regulator.h
@@ -168,6 +168,7 @@ struct dm_regulator_uclass_platdata {
        int mode_count;
        int min_uV;
        int max_uV;
+       int init_uV;
        int min_uA;
        int max_uA;
        unsigned int ramp_delay;
@@ -177,6 +178,8 @@ struct dm_regulator_uclass_platdata {
        int flags;
        u8 ctrl_reg;
        u8 volt_reg;
+       bool suspend_on;
+       u32 suspend_uV;
 };
 
 /* Regulator device operations */
@@ -193,6 +196,19 @@ struct dm_regulator_ops {
        int (*get_value)(struct udevice *dev);
        int (*set_value)(struct udevice *dev, int uV);
 
+       /**
+        * The regulator suspend output value function calls operates
+        * on a micro Volts.
+        *
+        * get/set_suspen_value - get/set suspend mode output value
+        * @dev          - regulator device
+        * Sets:
+        * @uV           - set the suspend output value [micro Volts]
+        * @return output value [uV] on success or negative errno if fail.
+        */
+       int (*set_suspend_value)(struct udevice *dev, int uV);
+       int (*get_suspend_value)(struct udevice *dev);
+
        /**
         * The regulator output current function calls operates on a micro Amps.
         *
@@ -217,6 +233,19 @@ struct dm_regulator_ops {
        int (*get_enable)(struct udevice *dev);
        int (*set_enable)(struct udevice *dev, bool enable);
 
+       /**
+        * The most basic feature of the regulator output is its enable state
+        * in suspend mode.
+        *
+        * get/set_suspend_enable - get/set enable state of the suspend output
+        * @dev           - regulator device
+        * Sets:
+        * @enable         - set true - enable or false - disable
+        * @return true/false for get or -errno if fail; 0 / -errno for set.
+        */
+       int (*set_suspend_enable)(struct udevice *dev, bool enable);
+       int (*get_suspend_enable)(struct udevice *dev);
+
        /**
         * The 'get/set_mode()' function calls should operate on a driver-
         * specific mode id definitions, which should be found in:
@@ -261,6 +290,23 @@ int regulator_get_value(struct udevice *dev);
  */
 int regulator_set_value(struct udevice *dev, int uV);
 
+/**
+ * regulator_set_suspend_value: set the suspend microvoltage value of a given regulator.
+ *
+ * @dev    - pointer to the regulator device
+ * @uV     - the output suspend value to set [micro Volts]
+ * @return - 0 on success or -errno val if fails
+ */
+int regulator_set_suspend_value(struct udevice *dev, int uV);
+
+/**
+ * regulator_get_suspend_value: get the suspend microvoltage value of a given regulator.
+ *
+ * @dev    - pointer to the regulator device
+ * @return - positive output value [uV] on success or negative errno if fail.
+ */
+int regulator_get_suspend_value(struct udevice *dev);
+
 /**
  * regulator_set_value_force: set the microvoltage value of a given regulator
  *                           without any min-,max condition check
@@ -316,6 +362,23 @@ int regulator_set_enable(struct udevice *dev, bool enable);
  */
 int regulator_set_enable_if_allowed(struct udevice *dev, bool enable);
 
+/**
+ * regulator_set_suspend_enable: set regulator suspend enable state
+ *
+ * @dev    - pointer to the regulator device
+ * @enable - set true or false
+ * @return - 0 on success or -errno val if fails
+ */
+int regulator_set_suspend_enable(struct udevice *dev, bool enable);
+
+/**
+ * regulator_get_suspend_enable: get regulator suspend enable state
+ *
+ * @dev    - pointer to the regulator device
+ * @return - true/false of enable state or -errno val if fails
+ */
+int regulator_get_suspend_enable(struct udevice *dev);
+
 /**
  * regulator_get_mode: get active operation mode id of a given regulator
  *