From 0c57067430a2b729bc08c92b17eb4f29d9bbfaae Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Sat, 6 Oct 2012 20:47:46 +0530 Subject: regulator: tps51632: Add tps51632 regulator driver The TPS51632 is a driverless step down controller with serial control. Advanced features such as D-Cap+ architecture with overlapping pulse support and OSR overshoot reduction provide fast transient response, lowest output capacitance and high efficiency. The TPS51632 supports both I2C and DVFS interfaces (through PWM) for dynamic control of the output voltage and current monitor telemetry. Add regulator driver for TPS51632. Signed-off-by: Laxman Dewangan Signed-off-by: Mark Brown --- include/linux/regulator/tps51632-regulator.h | 47 ++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 include/linux/regulator/tps51632-regulator.h (limited to 'include/linux/regulator') diff --git a/include/linux/regulator/tps51632-regulator.h b/include/linux/regulator/tps51632-regulator.h new file mode 100644 index 0000000..d00841e --- /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 + * + * 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 */ -- cgit v1.1 From bd7a2b600ace90c8819495b639a744c8f5c68feb Mon Sep 17 00:00:00 2001 From: Pawel Moll Date: Mon, 24 Sep 2012 18:56:53 +0100 Subject: regulator: core: Support for continuous voltage range Some regulators can set any voltage within the constraints range, not being limited to specified operating points. This patch makes it possible to describe such regulator and makes the regulator_is_supported_voltage() function behave correctly. Signed-off-by: Pawel Moll Signed-off-by: Mark Brown --- include/linux/regulator/driver.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/linux/regulator') diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 7932a3b..f2b72b2 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -181,6 +181,8 @@ 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) @@ -199,6 +201,7 @@ 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; -- cgit v1.1 From 24282a1ca33b4a2cdfb907fb7a3ba4d0f6e93311 Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Tue, 9 Oct 2012 15:18:59 +0530 Subject: regulator: tps65090: Register all regulators in single probe call MFD driver registers the regulator driver once per device and hence it is require to register all regulators in single probe call. Following are details of changes done to achieve this: - Move the regulator enums to mfd header and remove the tps65090-regulator.h as it does not contain more info. - Add max regulator and register all regulators even if there is no regulator init data from platform. - Convert regulator init data to pointer type in platform data. - Add input supply name in regulator desc to provide input supply. - Separate desc information from driver information. - Disable external control bit to have control through register write. Signed-off-by: Laxman Dewangan Signed-off-by: Mark Brown --- include/linux/regulator/tps65090-regulator.h | 50 ---------------------------- 1 file changed, 50 deletions(-) delete mode 100644 include/linux/regulator/tps65090-regulator.h (limited to 'include/linux/regulator') diff --git a/include/linux/regulator/tps65090-regulator.h b/include/linux/regulator/tps65090-regulator.h deleted file mode 100644 index 0fa04b6..0000000 --- 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 . - */ - -#ifndef __REGULATOR_TPS65090_H -#define __REGULATOR_TPS65090_H - -#include - -#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 */ -- cgit v1.1