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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/regulator/lp8788-buck.c
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@@ -1,14 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * TI LP8788 MFD - buck regulator driver
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  *
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  * Copyright 2012 Texas Instruments
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  *
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  * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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  */
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 #include <linux/module.h>
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@@ -95,12 +91,10 @@
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 	void *dvs;
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 };
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-/* BUCK 1 ~ 4 voltage table */
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-static const int lp8788_buck_vtbl[] = {
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-	 500000,  800000,  850000,  900000,  950000, 1000000, 1050000, 1100000,
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-	1150000, 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000,
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-	1550000, 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000,
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-	1950000, 2000000,
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+/* BUCK 1 ~ 4 voltage ranges */
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+static const struct linear_range buck_volt_ranges[] = {
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+	REGULATOR_LINEAR_RANGE(500000, 0, 0, 0),
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+	REGULATOR_LINEAR_RANGE(800000, 1, 25, 50000),
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 };
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 static void lp8788_buck1_set_dvs(struct lp8788_buck *buck)
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@@ -345,8 +339,8 @@
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 }
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 static const struct regulator_ops lp8788_buck12_ops = {
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-	.list_voltage = regulator_list_voltage_table,
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-	.map_voltage = regulator_map_voltage_ascend,
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+	.list_voltage = regulator_list_voltage_linear_range,
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+	.map_voltage = regulator_map_voltage_linear_range,
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 	.set_voltage_sel = lp8788_buck12_set_voltage_sel,
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 	.get_voltage_sel = lp8788_buck12_get_voltage_sel,
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 	.enable = regulator_enable_regmap,
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@@ -358,8 +352,8 @@
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 };
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 static const struct regulator_ops lp8788_buck34_ops = {
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-	.list_voltage = regulator_list_voltage_table,
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-	.map_voltage = regulator_map_voltage_ascend,
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+	.list_voltage = regulator_list_voltage_linear_range,
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+	.map_voltage = regulator_map_voltage_linear_range,
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 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
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 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
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 	.enable = regulator_enable_regmap,
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@@ -370,13 +364,14 @@
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 	.get_mode = lp8788_buck_get_mode,
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 };
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-static struct regulator_desc lp8788_buck_desc[] = {
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+static const struct regulator_desc lp8788_buck_desc[] = {
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 	{
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 		.name = "buck1",
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 		.id = BUCK1,
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 		.ops = &lp8788_buck12_ops,
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-		.n_voltages = ARRAY_SIZE(lp8788_buck_vtbl),
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-		.volt_table = lp8788_buck_vtbl,
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+		.n_voltages = 26,
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+		.linear_ranges = buck_volt_ranges,
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+		.n_linear_ranges = ARRAY_SIZE(buck_volt_ranges),
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 		.type = REGULATOR_VOLTAGE,
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 		.owner = THIS_MODULE,
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 		.enable_reg = LP8788_EN_BUCK,
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@@ -386,8 +381,9 @@
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 		.name = "buck2",
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 		.id = BUCK2,
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 		.ops = &lp8788_buck12_ops,
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-		.n_voltages = ARRAY_SIZE(lp8788_buck_vtbl),
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-		.volt_table = lp8788_buck_vtbl,
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+		.n_voltages = 26,
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+		.linear_ranges = buck_volt_ranges,
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+		.n_linear_ranges = ARRAY_SIZE(buck_volt_ranges),
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 		.type = REGULATOR_VOLTAGE,
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 		.owner = THIS_MODULE,
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 		.enable_reg = LP8788_EN_BUCK,
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@@ -397,8 +393,9 @@
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 		.name = "buck3",
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 		.id = BUCK3,
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 		.ops = &lp8788_buck34_ops,
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-		.n_voltages = ARRAY_SIZE(lp8788_buck_vtbl),
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-		.volt_table = lp8788_buck_vtbl,
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+		.n_voltages = 26,
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+		.linear_ranges = buck_volt_ranges,
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+		.n_linear_ranges = ARRAY_SIZE(buck_volt_ranges),
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 		.type = REGULATOR_VOLTAGE,
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 		.owner = THIS_MODULE,
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 		.vsel_reg = LP8788_BUCK3_VOUT,
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@@ -410,8 +407,9 @@
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 		.name = "buck4",
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 		.id = BUCK4,
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 		.ops = &lp8788_buck34_ops,
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-		.n_voltages = ARRAY_SIZE(lp8788_buck_vtbl),
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-		.volt_table = lp8788_buck_vtbl,
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+		.n_voltages = 26,
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+		.linear_ranges = buck_volt_ranges,
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+		.n_linear_ranges = ARRAY_SIZE(buck_volt_ranges),
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 		.type = REGULATOR_VOLTAGE,
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 		.owner = THIS_MODULE,
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 		.vsel_reg = LP8788_BUCK4_VOUT,