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-rw-r--r--include/linux/regulator/driver.h73
-rw-r--r--include/linux/regulator/fixed.h7
-rw-r--r--include/linux/regulator/of_regulator.h18
-rw-r--r--include/linux/regulator/tps62360.h6
-rw-r--r--include/linux/regulator/tps65090-regulator.h50
5 files changed, 141 insertions, 13 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index fa8b55b8191..b0432cc2b16 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -19,6 +19,7 @@
#include <linux/notifier.h>
#include <linux/regulator/consumer.h>
+struct regmap;
struct regulator_dev;
struct regulator_init_data;
@@ -45,6 +46,7 @@ enum regulator_status {
* The driver should select the voltage closest to min_uV.
* @set_voltage_sel: Set the voltage for the regulator using the specified
* selector.
+ * @map_voltage: Convert a voltage into a selector
* @get_voltage: Return the currently configured voltage for the regulator.
* @get_voltage_sel: Return the currently configured voltage selector for the
* regulator.
@@ -90,6 +92,7 @@ struct regulator_ops {
/* get/set regulator voltage */
int (*set_voltage) (struct regulator_dev *, int min_uV, int max_uV,
unsigned *selector);
+ int (*map_voltage)(struct regulator_dev *, int min_uV, int max_uV);
int (*set_voltage_sel) (struct regulator_dev *, unsigned selector);
int (*get_voltage) (struct regulator_dev *);
int (*get_voltage_sel) (struct regulator_dev *);
@@ -148,19 +151,30 @@ enum regulator_type {
};
/**
- * struct regulator_desc - Regulator descriptor
+ * struct regulator_desc - Static regulator descriptor
*
- * Each regulator registered with the core is described with a structure of
- * this type.
+ * Each regulator registered with the core is described with a
+ * structure of this type and a struct regulator_config. This
+ * structure contains the non-varying parts of the regulator
+ * description.
*
* @name: Identifying name for the regulator.
* @supply_name: Identifying the regulator supply
* @id: Numerical identifier for the regulator.
- * @n_voltages: Number of selectors available for ops.list_voltage().
* @ops: Regulator operations table.
* @irq: Interrupt number for the regulator.
* @type: Indicates if the regulator is a voltage or current regulator.
* @owner: Module providing the regulator, used for refcounting.
+ *
+ * @n_voltages: Number of selectors available for ops.list_voltage().
+ *
+ * @min_uV: Voltage given by the lowest selector (if linear mapping)
+ * @uV_step: Voltage increase with each selector (if linear mapping)
+ *
+ * @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;
@@ -171,6 +185,36 @@ struct regulator_desc {
int irq;
enum regulator_type type;
struct module *owner;
+
+ unsigned int min_uV;
+ unsigned int uV_step;
+
+ unsigned int vsel_reg;
+ unsigned int vsel_mask;
+ unsigned int enable_reg;
+ unsigned int enable_mask;
+};
+
+/**
+ * struct regulator_config - Dynamic regulator descriptor
+ *
+ * Each regulator registered with the core is described with a
+ * structure of this type and a struct regulator_desc. This structure
+ * contains the runtime variable parts of the regulator description.
+ *
+ * @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).
+ * @regmap: regmap to use for core regmap helpers
+ */
+struct regulator_config {
+ struct device *dev;
+ const struct regulator_init_data *init_data;
+ void *driver_data;
+ struct device_node *of_node;
+ struct regmap *regmap;
};
/*
@@ -184,7 +228,7 @@ struct regulator_desc {
* no other direct access).
*/
struct regulator_dev {
- struct regulator_desc *desc;
+ const struct regulator_desc *desc;
int exclusive;
u32 use_count;
u32 open_count;
@@ -201,6 +245,7 @@ struct regulator_dev {
struct device dev;
struct regulation_constraints *constraints;
struct regulator *supply; /* for tree */
+ struct regmap *regmap;
struct delayed_work disable_work;
int deferred_disables;
@@ -210,9 +255,9 @@ struct regulator_dev {
struct dentry *debugfs;
};
-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);
void regulator_unregister(struct regulator_dev *rdev);
int regulator_notifier_call_chain(struct regulator_dev *rdev,
@@ -224,6 +269,18 @@ int rdev_get_id(struct regulator_dev *rdev);
int regulator_mode_to_status(unsigned int);
+int regulator_list_voltage_linear(struct regulator_dev *rdev,
+ unsigned int selector);
+int regulator_map_voltage_linear(struct regulator_dev *rdev,
+ int min_uV, int max_uV);
+int regulator_map_voltage_iterate(struct regulator_dev *rdev,
+ int min_uV, int max_uV);
+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);
#endif
diff --git a/include/linux/regulator/fixed.h b/include/linux/regulator/fixed.h
index 936a7d8c11a..f83f7440b48 100644
--- a/include/linux/regulator/fixed.h
+++ b/include/linux/regulator/fixed.h
@@ -26,6 +26,12 @@ struct regulator_init_data;
* @gpio: GPIO to use for enable control
* set to -EINVAL if not used
* @startup_delay: Start-up time in microseconds
+ * @gpio_is_open_drain: Gpio pin is open drain or normal type.
+ * If it is open drain type then HIGH will be set
+ * through PULL-UP with setting gpio as input
+ * and low will be set as gpio-output with driven
+ * to low. For non-open-drain case, the gpio will
+ * will be in output and drive to low/high accordingly.
* @enable_high: Polarity of enable GPIO
* 1 = Active high, 0 = Active low
* @enabled_at_boot: Whether regulator has been enabled at
@@ -43,6 +49,7 @@ struct fixed_voltage_config {
int microvolts;
int gpio;
unsigned startup_delay;
+ unsigned gpio_is_open_drain:1;
unsigned enable_high:1;
unsigned enabled_at_boot:1;
struct regulator_init_data *init_data;
diff --git a/include/linux/regulator/of_regulator.h b/include/linux/regulator/of_regulator.h
index 769704f296e..f9217965aaa 100644
--- a/include/linux/regulator/of_regulator.h
+++ b/include/linux/regulator/of_regulator.h
@@ -6,10 +6,20 @@
#ifndef __LINUX_OF_REG_H
#define __LINUX_OF_REG_H
+struct of_regulator_match {
+ const char *name;
+ void *driver_data;
+ struct regulator_init_data *init_data;
+ struct device_node *of_node;
+};
+
#if defined(CONFIG_OF)
extern struct regulator_init_data
*of_get_regulator_init_data(struct device *dev,
struct device_node *node);
+extern int of_regulator_match(struct device *dev, struct device_node *node,
+ struct of_regulator_match *matches,
+ unsigned int num_matches);
#else
static inline struct regulator_init_data
*of_get_regulator_init_data(struct device *dev,
@@ -17,6 +27,14 @@ static inline struct regulator_init_data
{
return NULL;
}
+
+static inline int of_regulator_match(struct device *dev,
+ struct device_node *node,
+ struct of_regulator_match *matches,
+ unsigned int num_matches)
+{
+ return 0;
+}
#endif /* CONFIG_OF */
#endif /* __LINUX_OF_REG_H */
diff --git a/include/linux/regulator/tps62360.h b/include/linux/regulator/tps62360.h
index 6a5c1b2c751..a4c49394c49 100644
--- a/include/linux/regulator/tps62360.h
+++ b/include/linux/regulator/tps62360.h
@@ -26,13 +26,10 @@
#ifndef __LINUX_REGULATOR_TPS62360_H
#define __LINUX_REGULATOR_TPS62360_H
-#include <linux/regulator/machine.h>
-
/*
* struct tps62360_regulator_platform_data - tps62360 regulator platform data.
*
* @reg_init_data: The regulator init data.
- * @en_force_pwm: Enable force pwm or not.
* @en_discharge: Enable discharge the output capacitor via internal
* register.
* @en_internal_pulldn: internal pull down enable or not.
@@ -44,8 +41,7 @@
* @vsel1_def_state: Default state of vsel1. 1 if it is high else 0.
*/
struct tps62360_regulator_platform_data {
- struct regulator_init_data reg_init_data;
- bool en_force_pwm;
+ struct regulator_init_data *reg_init_data;
bool en_discharge;
bool en_internal_pulldn;
int vsel0_gpio;
diff --git a/include/linux/regulator/tps65090-regulator.h b/include/linux/regulator/tps65090-regulator.h
new file mode 100644
index 00000000000..0fa04b64db3
--- /dev/null
+++ b/include/linux/regulator/tps65090-regulator.h
@@ -0,0 +1,50 @@
+/*
+ * Regulator driver interface for TI TPS65090 PMIC family
+ *
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __REGULATOR_TPS65090_H
+#define __REGULATOR_TPS65090_H
+
+#include <linux/regulator/machine.h>
+
+#define tps65090_rails(_name) "tps65090_"#_name
+
+enum {
+ TPS65090_ID_DCDC1,
+ TPS65090_ID_DCDC2,
+ TPS65090_ID_DCDC3,
+ TPS65090_ID_FET1,
+ TPS65090_ID_FET2,
+ TPS65090_ID_FET3,
+ TPS65090_ID_FET4,
+ TPS65090_ID_FET5,
+ TPS65090_ID_FET6,
+ TPS65090_ID_FET7,
+};
+
+/*
+ * struct tps65090_regulator_platform_data
+ *
+ * @regulator: The regulator init data.
+ * @slew_rate_uV_per_us: Slew rate microvolt per microsec.
+ */
+
+struct tps65090_regulator_platform_data {
+ struct regulator_init_data regulator;
+};
+
+#endif /* __REGULATOR_TPS65090_H */