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-rw-r--r--include/linux/regulator/act8865.h10
-rw-r--r--include/linux/regulator/arizona-ldo1.h5
-rw-r--r--include/linux/regulator/arizona-micsupp.h5
-rw-r--r--include/linux/regulator/consumer.h6
-rw-r--r--include/linux/regulator/coupler.h97
-rw-r--r--include/linux/regulator/driver.h17
-rw-r--r--include/linux/regulator/fan53555.h6
-rw-r--r--include/linux/regulator/lp872x.h6
-rw-r--r--include/linux/regulator/machine.h7
-rw-r--r--include/linux/regulator/max8649.h5
-rw-r--r--include/linux/regulator/max8952.h3
-rw-r--r--include/linux/regulator/tps6507x.h14
12 files changed, 117 insertions, 64 deletions
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/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/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/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/max8952.h b/include/linux/regulator/max8952.h
index ebd99d2e62ad..8712c091abf0 100644
--- a/include/linux/regulator/max8952.h
+++ b/include/linux/regulator/max8952.h
@@ -105,9 +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/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
generated by cgit (git 2.34.1) at 2025-06-08 07:56:40 +0000