aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/regulator
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/regulator')
-rw-r--r--include/linux/regulator/consumer.h13
-rw-r--r--include/linux/regulator/driver.h5
-rw-r--r--include/linux/regulator/max8973-regulator.h72
-rw-r--r--include/linux/regulator/tps51632-regulator.h47
-rw-r--r--include/linux/regulator/tps65090-regulator.h50
5 files changed, 137 insertions, 50 deletions
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index c43cd3556b1f..7bc732ce6e50 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -160,6 +160,7 @@ int regulator_bulk_force_disable(int num_consumers,
void regulator_bulk_free(int num_consumers,
struct regulator_bulk_data *consumers);
+int regulator_can_change_voltage(struct regulator *regulator);
int regulator_count_voltages(struct regulator *regulator);
int regulator_list_voltage(struct regulator *regulator, unsigned selector);
int regulator_is_supported_voltage(struct regulator *regulator,
@@ -358,6 +359,10 @@ static inline void regulator_set_drvdata(struct regulator *regulator,
{
}
+static inline int regulator_count_voltages(struct regulator *regulator)
+{
+ return 0;
+}
#endif
static inline int regulator_set_voltage_tol(struct regulator *regulator,
@@ -367,4 +372,12 @@ static inline int regulator_set_voltage_tol(struct regulator *regulator,
new_uV - tol_uV, new_uV + tol_uV);
}
+static inline int regulator_is_supported_voltage_tol(struct regulator *regulator,
+ int target_uV, int tol_uV)
+{
+ return regulator_is_supported_voltage(regulator,
+ target_uV - tol_uV,
+ target_uV + tol_uV);
+}
+
#endif
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 7932a3bf21bd..d10bb0f39c5e 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -181,10 +181,13 @@ enum regulator_type {
* @type: Indicates if the regulator is a voltage or current regulator.
* @owner: Module providing the regulator, used for refcounting.
*
+ * @continuous_voltage_range: Indicates if the regulator can set any
+ * voltage within constrains range.
* @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)
+ * @linear_min_sel: Minimal selector for starting linear mapping
* @ramp_delay: Time to settle down after voltage change (unit: uV/us)
* @volt_table: Voltage mapping table (if table based mapping)
*
@@ -199,6 +202,7 @@ struct regulator_desc {
const char *name;
const char *supply_name;
int id;
+ bool continuous_voltage_range;
unsigned n_voltages;
struct regulator_ops *ops;
int irq;
@@ -207,6 +211,7 @@ struct regulator_desc {
unsigned int min_uV;
unsigned int uV_step;
+ unsigned int linear_min_sel;
unsigned int ramp_delay;
const unsigned int *volt_table;
diff --git a/include/linux/regulator/max8973-regulator.h b/include/linux/regulator/max8973-regulator.h
new file mode 100644
index 000000000000..f8acc052e353
--- /dev/null
+++ b/include/linux/regulator/max8973-regulator.h
@@ -0,0 +1,72 @@
+/*
+ * max8973-regulator.h -- MAXIM 8973 regulator
+ *
+ * Interface for regulator driver for MAXIM 8973 DC-DC step-down
+ * switching regulator.
+ *
+ * Copyright (C) 2012 NVIDIA Corporation
+
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef __LINUX_REGULATOR_MAX8973_H
+#define __LINUX_REGULATOR_MAX8973_H
+
+/*
+ * Control flags for configuration of the device.
+ * Client need to pass this information with ORed
+ */
+#define MAX8973_CONTROL_REMOTE_SENSE_ENABLE 0x00000001
+#define MAX8973_CONTROL_FALLING_SLEW_RATE_ENABLE 0x00000002
+#define MAX8973_CONTROL_OUTPUT_ACTIVE_DISCH_ENABLE 0x00000004
+#define MAX8973_CONTROL_BIAS_ENABLE 0x00000008
+#define MAX8973_CONTROL_PULL_DOWN_ENABLE 0x00000010
+#define MAX8973_CONTROL_FREQ_SHIFT_9PER_ENABLE 0x00000020
+
+#define MAX8973_CONTROL_CLKADV_TRIP_DISABLED 0x00000000
+#define MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US 0x00010000
+#define MAX8973_CONTROL_CLKADV_TRIP_150mV_PER_US 0x00020000
+#define MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US_HIST_DIS 0x00030000
+
+#define MAX8973_CONTROL_INDUCTOR_VALUE_NOMINAL 0x00000000
+#define MAX8973_CONTROL_INDUCTOR_VALUE_MINUS_30_PER 0x00100000
+#define MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_30_PER 0x00200000
+#define MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_60_PER 0x00300000
+
+/*
+ * struct max8973_regulator_platform_data - max8973 regulator platform data.
+ *
+ * @reg_init_data: The regulator init data.
+ * @control_flags: Control flags which are ORed value of above flags to
+ * configure device.
+ * @enable_ext_control: Enable the voltage enable/disable through external
+ * control signal from EN input pin. If it is false then
+ * voltage output will be enabled/disabled through EN bit of
+ * device register.
+ * @dvs_gpio: GPIO for dvs. It should be -1 if this is tied with fixed logic.
+ * @dvs_def_state: Default state of dvs. 1 if it is high else 0.
+ */
+struct max8973_regulator_platform_data {
+ struct regulator_init_data *reg_init_data;
+ unsigned long control_flags;
+ bool enable_ext_control;
+ int dvs_gpio;
+ unsigned dvs_def_state:1;
+};
+
+#endif /* __LINUX_REGULATOR_MAX8973_H */
diff --git a/include/linux/regulator/tps51632-regulator.h b/include/linux/regulator/tps51632-regulator.h
new file mode 100644
index 000000000000..d00841e1a75a
--- /dev/null
+++ b/include/linux/regulator/tps51632-regulator.h
@@ -0,0 +1,47 @@
+/*
+ * tps51632-regulator.h -- TPS51632 regulator
+ *
+ * Interface for regulator driver for TPS51632 3-2-1 Phase D-Cap Step Down
+ * Driverless Controller with serial VID control and DVFS.
+ *
+ * Copyright (C) 2012 NVIDIA Corporation
+
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef __LINUX_REGULATOR_TPS51632_H
+#define __LINUX_REGULATOR_TPS51632_H
+
+/*
+ * struct tps51632_regulator_platform_data - tps51632 regulator platform data.
+ *
+ * @reg_init_data: The regulator init data.
+ * @enable_pwm_dvfs: Enable PWM DVFS or not.
+ * @dvfs_step_20mV: Step for DVFS is 20mV or 10mV.
+ * @max_voltage_uV: Maximum possible voltage in PWM-DVFS mode.
+ * @base_voltage_uV: Base voltage when PWM-DVFS enabled.
+ */
+struct tps51632_regulator_platform_data {
+ struct regulator_init_data *reg_init_data;
+ bool enable_pwm_dvfs;
+ bool dvfs_step_20mV;
+ int max_voltage_uV;
+ int base_voltage_uV;
+};
+
+#endif /* __LINUX_REGULATOR_TPS51632_H */
diff --git a/include/linux/regulator/tps65090-regulator.h b/include/linux/regulator/tps65090-regulator.h
deleted file mode 100644
index 0fa04b64db3e..000000000000
--- a/include/linux/regulator/tps65090-regulator.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * 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 */