diff options
Diffstat (limited to 'include/linux/regulator')
23 files changed, 129 insertions, 165 deletions
diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h index 6d46f962685d..7cf8f797e13a 100644 --- a/include/linux/regulator/ab8500.h +++ b/include/linux/regulator/ab8500.h @@ -1,8 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson SA 2010 * - * License Terms: GNU General Public License v2 - * * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson * Daniel Willerud <daniel.willerud@stericsson.com> for ST-Ericsson diff --git a/include/linux/regulator/act8865.h b/include/linux/regulator/act8865.h index 113d861a1e4c..d25e24f596c3 100644 --- a/include/linux/regulator/act8865.h +++ b/include/linux/regulator/act8865.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * act8865.h -- Voltage regulation for active-semi act88xx PMUs * * Copyright (C) 2013 Atmel Corporation. - * - * 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; version 2 of the License. - * - * 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. */ #ifndef __LINUX_REGULATOR_ACT8865_H diff --git a/include/linux/regulator/arizona-ldo1.h b/include/linux/regulator/arizona-ldo1.h index fe74ab9990e6..1fe2c71fc699 100644 --- a/include/linux/regulator/arizona-ldo1.h +++ b/include/linux/regulator/arizona-ldo1.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Platform data for Arizona LDO1 regulator * * Copyright 2017 Cirrus Logic - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef ARIZONA_LDO1_H diff --git a/include/linux/regulator/arizona-micsupp.h b/include/linux/regulator/arizona-micsupp.h index 616842619c00..cacb866d5bfb 100644 --- a/include/linux/regulator/arizona-micsupp.h +++ b/include/linux/regulator/arizona-micsupp.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Platform data for Arizona micsupp regulator * * Copyright 2017 Cirrus Logic - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef ARIZONA_MICSUPP_H diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index aaf3cee70439..815983419375 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * consumer.h -- SoC Regulator consumer support. * @@ -5,10 +6,6 @@ * * Author: Liam Girdwood <lrg@slimlogic.co.uk> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Regulator Consumer Interface. * * A Power Management Regulator framework for SoC based devices. @@ -29,7 +26,6 @@ * but this drops rapidly to 60% when below 100mA. Regulator r has > 90% * efficiency in IDLE mode at loads < 10mA. Thus regulator r will operate * in normal mode for loads > 10mA and in IDLE mode for load <= 10mA. - * */ #ifndef __LINUX_REGULATOR_CONSUMER_H_ diff --git a/include/linux/regulator/coupler.h b/include/linux/regulator/coupler.h new file mode 100644 index 000000000000..0212d6255e4e --- /dev/null +++ b/include/linux/regulator/coupler.h @@ -0,0 +1,97 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * coupler.h -- SoC Regulator support, coupler API. + * + * Regulator Coupler Interface. + */ + +#ifndef __LINUX_REGULATOR_COUPLER_H_ +#define __LINUX_REGULATOR_COUPLER_H_ + +#include <linux/kernel.h> +#include <linux/suspend.h> + +struct regulator_coupler; +struct regulator_dev; + +/** + * struct regulator_coupler - customized regulator's coupler + * + * Regulator's coupler allows to customize coupling algorithm. + * + * @list: couplers list entry + * @attach_regulator: Callback invoked on creation of a coupled regulator, + * couples are unresolved at this point. The callee should + * check that it could handle the regulator and return 0 on + * success, -errno on failure and 1 if given regulator is + * not suitable for this coupler (case of having multiple + * regulators in a system). Callback shall be implemented. + * @detach_regulator: Callback invoked on destruction of a coupled regulator. + * This callback is optional and could be NULL. + * @balance_voltage: Callback invoked when voltage of a coupled regulator is + * changing. Called with all of the coupled rdev's being held + * under "consumer lock". The callee should perform voltage + * balancing, changing voltage of the coupled regulators as + * needed. It's up to the coupler to verify the voltage + * before changing it in hardware, i.e. coupler should + * check consumer's min/max and etc. This callback is + * optional and could be NULL, in which case a generic + * voltage balancer will be used. + */ +struct regulator_coupler { + struct list_head list; + + int (*attach_regulator)(struct regulator_coupler *coupler, + struct regulator_dev *rdev); + int (*detach_regulator)(struct regulator_coupler *coupler, + struct regulator_dev *rdev); + int (*balance_voltage)(struct regulator_coupler *coupler, + struct regulator_dev *rdev, + suspend_state_t state); +}; + +#ifdef CONFIG_REGULATOR +int regulator_coupler_register(struct regulator_coupler *coupler); +const char *rdev_get_name(struct regulator_dev *rdev); +int regulator_check_consumers(struct regulator_dev *rdev, + int *min_uV, int *max_uV, + suspend_state_t state); +int regulator_check_voltage(struct regulator_dev *rdev, + int *min_uV, int *max_uV); +int regulator_get_voltage_rdev(struct regulator_dev *rdev); +int regulator_set_voltage_rdev(struct regulator_dev *rdev, + int min_uV, int max_uV, + suspend_state_t state); +#else +static inline int regulator_coupler_register(struct regulator_coupler *coupler) +{ + return 0; +} +static inline const char *rdev_get_name(struct regulator_dev *rdev) +{ + return NULL; +} +static inline int regulator_check_consumers(struct regulator_dev *rdev, + int *min_uV, int *max_uV, + suspend_state_t state) +{ + return -EINVAL; +} +static inline int regulator_check_voltage(struct regulator_dev *rdev, + int *min_uV, int *max_uV) +{ + return -EINVAL; +} +static inline int regulator_get_voltage_rdev(struct regulator_dev *rdev) +{ + return -EINVAL; +} +static inline int regulator_set_voltage_rdev(struct regulator_dev *rdev, + int min_uV, int max_uV, + suspend_state_t state) +{ + return -EINVAL; +} +#endif + +#endif diff --git a/include/linux/regulator/da9211.h b/include/linux/regulator/da9211.h index d1f2073e4d5f..0d3c0f0ebc1a 100644 --- a/include/linux/regulator/da9211.h +++ b/include/linux/regulator/da9211.h @@ -1,17 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * da9211.h - Regulator device driver for DA9211/DA9212 * /DA9213/DA9223/DA9214/DA9224/DA9215/DA9225 * Copyright (C) 2015 Dialog Semiconductor Ltd. - * - * 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. */ #ifndef __LINUX_REGULATOR_DA9211_H diff --git a/include/linux/regulator/db8500-prcmu.h b/include/linux/regulator/db8500-prcmu.h index 612062313b68..f90df9ee703e 100644 --- a/include/linux/regulator/db8500-prcmu.h +++ b/include/linux/regulator/db8500-prcmu.h @@ -1,8 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson SA 2010 * - * License Terms: GNU General Public License v2 - * * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson * * Interface to power domain regulators on DB8500 diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 377da2357118..9a911bb5fb61 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * driver.h -- SoC Regulator driver support. * @@ -5,18 +6,12 @@ * * Author: Liam Girdwood <lrg@slimlogic.co.uk> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Regulator Driver Interface. */ #ifndef __LINUX_REGULATOR_DRIVER_H_ #define __LINUX_REGULATOR_DRIVER_H_ -#define MAX_COUPLED 2 - #include <linux/device.h> #include <linux/notifier.h> #include <linux/regulator/consumer.h> @@ -286,6 +281,11 @@ enum regulator_type { * @vsel_range_mask: Mask for register bitfield used for range selector * @vsel_reg: Register for selector when using regulator_regmap_X_voltage_ * @vsel_mask: Mask for register bitfield used for selector + * @vsel_step: Specify the resolution of selector stepping when setting + * voltage. If 0, then no stepping is done (requested selector is + * set directly), if >0 then the regulator API will ramp the + * voltage up/down gradually each time increasing/decreasing the + * selector by the specified step value. * @csel_reg: Register for current limit selector using regmap set_current_limit * @csel_mask: Mask for register bitfield used for current limit selector * @apply_reg: Register for initiate voltage change on the output when @@ -360,6 +360,7 @@ struct regulator_desc { unsigned int vsel_range_mask; unsigned int vsel_reg; unsigned int vsel_mask; + unsigned int vsel_step; unsigned int csel_reg; unsigned int csel_mask; unsigned int apply_reg; @@ -426,7 +427,8 @@ struct regulator_config { * incremented. */ struct coupling_desc { - struct regulator_dev *coupled_rdevs[MAX_COUPLED]; + struct regulator_dev **coupled_rdevs; + struct regulator_coupler *coupler; int n_resolved; int n_coupled; }; @@ -552,4 +554,5 @@ void regulator_unlock(struct regulator_dev *rdev); */ int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc, unsigned int selector); + #endif diff --git a/include/linux/regulator/fan53555.h b/include/linux/regulator/fan53555.h index f13880e84d85..ce8df21863f0 100644 --- a/include/linux/regulator/fan53555.h +++ b/include/linux/regulator/fan53555.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * fan53555.h - Fairchild Regulator FAN53555 Driver * * Copyright (C) 2012 Marvell Technology Ltd. * Yunfan Zhang <yfzhang@marvell.com> - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #ifndef __FAN53555_H__ diff --git a/include/linux/regulator/fixed.h b/include/linux/regulator/fixed.h index f10140da7145..d44ce5f18a56 100644 --- a/include/linux/regulator/fixed.h +++ b/include/linux/regulator/fixed.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * fixed.h * @@ -7,11 +8,6 @@ * * Copyright (c) 2009 Nokia Corporation * Roger Quadros <ext-roger.quadros@nokia.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. */ #ifndef __REGULATOR_FIXED_H diff --git a/include/linux/regulator/gpio-regulator.h b/include/linux/regulator/gpio-regulator.h index 11cd6375215d..fdeb312cdabd 100644 --- a/include/linux/regulator/gpio-regulator.h +++ b/include/linux/regulator/gpio-regulator.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * gpio-regulator.h * @@ -11,11 +12,6 @@ * * Copyright (c) 2009 Nokia Corporation * Roger Quadros <ext-roger.quadros@nokia.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. */ #ifndef __REGULATOR_GPIO_H diff --git a/include/linux/regulator/lp872x.h b/include/linux/regulator/lp872x.h index 6029279f4eed..d780dbb8b423 100644 --- a/include/linux/regulator/lp872x.h +++ b/include/linux/regulator/lp872x.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2012 Texas Instruments * * Author: Milo(Woogyom) Kim <milo.kim@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #ifndef __LP872X_REGULATOR_H__ diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 1d34a70ffda2..a84cc8879c3e 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * machine.h -- SoC Regulator support, machine/board driver API. * @@ -5,10 +6,6 @@ * * Author: Liam Girdwood <lrg@slimlogic.co.uk> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Regulator Machine/Board Interface. */ @@ -156,7 +153,7 @@ struct regulation_constraints { int system_load; /* used for coupled regulators */ - int max_spread; + u32 *max_spread; /* used for changing voltage in steps */ int max_uV_step; diff --git a/include/linux/regulator/max1586.h b/include/linux/regulator/max1586.h index cedd0febe882..969f4c948480 100644 --- a/include/linux/regulator/max1586.h +++ b/include/linux/regulator/max1586.h @@ -1,21 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * max1586.h -- Voltage regulation for the Maxim 1586 * * Copyright (C) 2008 Robert Jarzmik - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef REGULATOR_MAX1586 diff --git a/include/linux/regulator/max8649.h b/include/linux/regulator/max8649.h index 417d14ecd5cb..bc9b9c98c1ad 100644 --- a/include/linux/regulator/max8649.h +++ b/include/linux/regulator/max8649.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Interface of Maxim max8649 * * Copyright (C) 2009-2010 Marvell International Ltd. * Haojian Zhuang <haojian.zhuang@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_REGULATOR_MAX8649_H diff --git a/include/linux/regulator/max8660.h b/include/linux/regulator/max8660.h index f8a6a4844864..e1b9f9020eed 100644 --- a/include/linux/regulator/max8660.h +++ b/include/linux/regulator/max8660.h @@ -1,20 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * max8660.h -- Voltage regulation for the Maxim 8660/8661 * * Copyright (C) 2009 Wolfram Sang, Pengutronix e.K. - * - * 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; version 2 of the License. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_REGULATOR_MAX8660_H diff --git a/include/linux/regulator/max8952.h b/include/linux/regulator/max8952.h index 686c42c041b5..8712c091abf0 100644 --- a/include/linux/regulator/max8952.h +++ b/include/linux/regulator/max8952.h @@ -1,22 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * max8952.h - Voltage regulation for the Maxim 8952 * * Copyright (C) 2010 Samsung Electrnoics * MyungJoo Ham <myungjoo.ham@samsung.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef REGULATOR_MAX8952 @@ -118,9 +105,6 @@ enum { #define MAX8952_NUM_DVS_MODE 4 struct max8952_platform_data { - int gpio_vid0; - int gpio_vid1; - u32 default_mode; u32 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */ diff --git a/include/linux/regulator/mt6311.h b/include/linux/regulator/mt6311.h index 8473259395b6..eb20c9d1ad46 100644 --- a/include/linux/regulator/mt6311.h +++ b/include/linux/regulator/mt6311.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2015 MediaTek Inc. * Author: Henry Chen <henryc.chen@mediatek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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. */ #ifndef __LINUX_REGULATOR_MT6311_H diff --git a/include/linux/regulator/mt6323-regulator.h b/include/linux/regulator/mt6323-regulator.h index 67011cd1ce55..c8103b8175b3 100644 --- a/include/linux/regulator/mt6323-regulator.h +++ b/include/linux/regulator/mt6323-regulator.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016 MediaTek Inc. * Author: Chen Zhong <chen.zhong@mediatek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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. */ #ifndef __LINUX_REGULATOR_MT6323_H diff --git a/include/linux/regulator/mt6380-regulator.h b/include/linux/regulator/mt6380-regulator.h index 465182da6315..9e90ce9b14e6 100644 --- a/include/linux/regulator/mt6380-regulator.h +++ b/include/linux/regulator/mt6380-regulator.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2017 MediaTek Inc. * Author: Chenglin Xu <chenglin.xu@mediatek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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. */ #ifndef __LINUX_REGULATOR_mt6380_H diff --git a/include/linux/regulator/mt6397-regulator.h b/include/linux/regulator/mt6397-regulator.h index 30cc5963e265..99b266711b3e 100644 --- a/include/linux/regulator/mt6397-regulator.h +++ b/include/linux/regulator/mt6397-regulator.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2014 MediaTek Inc. * Author: Flora Fu <flora.fu@mediatek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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. */ #ifndef __LINUX_REGULATOR_MT6397_H diff --git a/include/linux/regulator/tps6507x.h b/include/linux/regulator/tps6507x.h index 4892f591bab1..58117575de8a 100644 --- a/include/linux/regulator/tps6507x.h +++ b/include/linux/regulator/tps6507x.h @@ -1,20 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * tps6507x.h -- Voltage regulation for the Texas Instruments TPS6507X * * Copyright (C) 2010 Texas Instruments, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef REGULATOR_TPS6507X |