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2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01 
 kernel/drivers/regulator/pv88060-regulator.c
....@@ -1,17 +1,7 @@
1
-/*
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- * pv88060-regulator.c - Regulator device driver for PV88060
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- * Copyright (C) 2015  Powerventure Semiconductor Ltd.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version 2
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- * of the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- */
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+// SPDX-License-Identifier: GPL-2.0+
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+//
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+// pv88060-regulator.c - Regulator device driver for PV88060
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+// Copyright (C) 2015  Powerventure Semiconductor Ltd.
155 
166 #include <linux/err.h>
177 #include <linux/i2c.h>
....@@ -53,10 +43,6 @@
5343 
5444 struct pv88060_regulator {
5545 	struct regulator_desc desc;
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-	/* Current limiting */
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-	unsigned	n_current_limits;
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-	const int	*current_limits;
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-	unsigned int limit_mask;
6046 	unsigned int conf;		/* buck configuration register */
6147 };
6248 
....@@ -75,7 +61,7 @@
7561  * Entry indexes corresponds to register values.
7662  */
7763 
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-static const int pv88060_buck1_limits[] = {
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+static const unsigned int pv88060_buck1_limits[] = {
7965 	1496000, 2393000, 3291000, 4189000
8066 };
8167 
....@@ -128,40 +114,6 @@
128114 					PV88060_BUCK_MODE_MASK, val);
129115 }
130116 
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-static int pv88060_set_current_limit(struct regulator_dev *rdev, int min,
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-				    int max)
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-{
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-	struct pv88060_regulator *info = rdev_get_drvdata(rdev);
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-	int i;
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-
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-	/* search for closest to maximum */
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-	for (i = info->n_current_limits - 1; i >= 0; i--) {
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-		if (min <= info->current_limits[i]
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-			&& max >= info->current_limits[i]) {
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-			return regmap_update_bits(rdev->regmap,
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-				info->conf,
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-				info->limit_mask,
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-				i << PV88060_BUCK_ILIM_SHIFT);
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-		}
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-	}
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-
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-	return -EINVAL;
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-}
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-
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-static int pv88060_get_current_limit(struct regulator_dev *rdev)
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-{
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-	struct pv88060_regulator *info = rdev_get_drvdata(rdev);
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-	unsigned int data;
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-	int ret;
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-
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-	ret = regmap_read(rdev->regmap, info->conf, &data);
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-	if (ret < 0)
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-		return ret;
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-
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-	data = (data & info->limit_mask) >> PV88060_BUCK_ILIM_SHIFT;
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-	return info->current_limits[data];
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-}
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-
165117 static const struct regulator_ops pv88060_buck_ops = {
166118 	.get_mode = pv88060_buck_get_mode,
167119 	.set_mode = pv88060_buck_set_mode,
....@@ -171,8 +123,8 @@
171123 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
172124 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
173125 	.list_voltage = regulator_list_voltage_linear,
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-	.set_current_limit = pv88060_set_current_limit,
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-	.get_current_limit = pv88060_get_current_limit,
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+	.set_current_limit = regulator_set_current_limit_regmap,
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+	.get_current_limit = regulator_get_current_limit_regmap,
176128 };
177129 
178130 static const struct regulator_ops pv88060_ldo_ops = {
....@@ -182,6 +134,12 @@
182134 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
183135 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
184136 	.list_voltage = regulator_list_voltage_linear,
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+};
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+
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+static const struct regulator_ops pv88060_sw_ops = {
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+	.enable = regulator_enable_regmap,
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+	.disable = regulator_disable_regmap,
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+	.is_enabled = regulator_is_enabled_regmap,
185143 };
186144 
187145 #define PV88060_BUCK(chip, regl_name, min, step, max, limits_array) \
....@@ -201,10 +159,11 @@
201159 		.enable_mask = PV88060_BUCK_EN, \
202160 		.vsel_reg = PV88060_REG_##regl_name##_CONF0,\
203161 		.vsel_mask = PV88060_VBUCK_MASK,\
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+		.curr_table = limits_array,\
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+		.n_current_limits = ARRAY_SIZE(limits_array),\
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+		.csel_reg = PV88060_REG_##regl_name##_CONF1,\
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+		.csel_mask = PV88060_BUCK_ILIM_MASK,\
204166 	},\
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-	.current_limits = limits_array,\
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-	.n_current_limits = ARRAY_SIZE(limits_array),\
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-	.limit_mask = PV88060_BUCK_ILIM_MASK, \
208167 	.conf = PV88060_REG_##regl_name##_CONF1,\
209168 }
210169 
....@@ -237,9 +196,8 @@
237196 		.regulators_node = of_match_ptr("regulators"),\
238197 		.type = REGULATOR_VOLTAGE,\
239198 		.owner = THIS_MODULE,\
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-		.ops = &pv88060_ldo_ops,\
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-		.min_uV = max,\
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-		.uV_step = 0,\
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+		.ops = &pv88060_sw_ops,\
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+		.fixed_uV = max,\
243201 		.n_voltages = 1,\
244202 		.enable_reg = PV88060_REG_##regl_name##_CONF,\
245203 		.enable_mask = PV88060_SW_EN,\
....@@ -275,11 +233,10 @@
275233 
276234 	if (reg_val & PV88060_E_VDD_FLT) {
277235 		for (i = 0; i < PV88060_MAX_REGULATORS; i++) {
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-			if (chip->rdev[i] != NULL) {
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+			if (chip->rdev[i] != NULL)
279237 				regulator_notifier_call_chain(chip->rdev[i],
280238 					REGULATOR_EVENT_UNDER_VOLTAGE,
281239 					NULL);
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-			}
283240 		}
284241 
285242 		err = regmap_write(chip->regmap, PV88060_REG_EVENT_A,
....@@ -292,11 +249,10 @@
292249 
293250 	if (reg_val & PV88060_E_OVER_TEMP) {
294251 		for (i = 0; i < PV88060_MAX_REGULATORS; i++) {
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-			if (chip->rdev[i] != NULL) {
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+			if (chip->rdev[i] != NULL)
296253 				regulator_notifier_call_chain(chip->rdev[i],
297254 					REGULATOR_EVENT_OVER_TEMP,
298255 					NULL);
299
-			}
300256 		}
301257 
302258 		err = regmap_write(chip->regmap, PV88060_REG_EVENT_A,
....@@ -317,8 +273,7 @@
317273 /*
318274  * I2C driver interface functions
319275  */
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-static int pv88060_i2c_probe(struct i2c_client *i2c,
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-		const struct i2c_device_id *id)
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+static int pv88060_i2c_probe(struct i2c_client *i2c)
322277 {
323278 	struct regulator_init_data *init_data = dev_get_platdata(&i2c->dev);
324279 	struct pv88060 *chip;
....@@ -423,7 +378,7 @@
423378 		.name = "pv88060",
424379 		.of_match_table = of_match_ptr(pv88060_dt_ids),
425380 	},
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-	.probe = pv88060_i2c_probe,
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+	.probe_new = pv88060_i2c_probe,
427382 	.id_table = pv88060_i2c_id,
428383 };
429384