write in 30M

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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/regulator/arizona-micsupp.c
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@@ -1,15 +1,10 @@
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-/*
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- * arizona-micsupp.c  --  Microphone supply for Arizona devices
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- *
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- * Copyright 2012 Wolfson Microelectronics PLC.
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- *
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- * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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- *
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- *  This program is free software; you can redistribute  it and/or modify it
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- *  under  the terms of  the GNU General  Public License as published by the
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- *  Free Software Foundation;  either version 2 of the  License, or (at your
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- *  option) any later version.
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- */
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+// SPDX-License-Identifier: GPL-2.0+
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+//
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+// arizona-micsupp.c  --  Microphone supply for Arizona devices
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+//
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+// Copyright 2012 Wolfson Microelectronics PLC.
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+//
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+// Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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8
 
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 #include <linux/module.h>
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 #include <linux/moduleparam.h>
..
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@@ -21,7 +16,6 @@
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 #include <linux/regulator/driver.h>
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 #include <linux/regulator/machine.h>
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 #include <linux/regulator/of_regulator.h>
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-#include <linux/gpio.h>
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 #include <linux/slab.h>
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 #include <linux/workqueue.h>
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 #include <sound/soc.h>
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@@ -29,6 +23,10 @@
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 #include <linux/mfd/arizona/core.h>
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 #include <linux/mfd/arizona/pdata.h>
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 #include <linux/mfd/arizona/registers.h>
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+
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+#include <linux/mfd/madera/core.h>
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+#include <linux/mfd/madera/pdata.h>
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+#include <linux/mfd/madera/registers.h>
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 #include <linux/regulator/arizona-micsupp.h>
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..
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@@ -127,7 +125,7 @@
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 	.set_bypass = arizona_micsupp_set_bypass,
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 };
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-static const struct regulator_linear_range arizona_micsupp_ranges[] = {
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+static const struct linear_range arizona_micsupp_ranges[] = {
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 	REGULATOR_LINEAR_RANGE(1700000, 0,    0x1e, 50000),
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 	REGULATOR_LINEAR_RANGE(3300000, 0x1f, 0x1f, 0),
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 };
..
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@@ -154,7 +152,7 @@
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 	.owner = THIS_MODULE,
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 };
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-static const struct regulator_linear_range arizona_micsupp_ext_ranges[] = {
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+static const struct linear_range arizona_micsupp_ext_ranges[] = {
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 	REGULATOR_LINEAR_RANGE(900000,  0,    0x14, 25000),
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 	REGULATOR_LINEAR_RANGE(1500000, 0x15, 0x27, 100000),
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 };
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@@ -203,6 +201,28 @@
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 	},
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 	.num_consumer_supplies = 1,
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+};
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+
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+static const struct regulator_desc madera_micsupp = {
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+	.name = "MICVDD",
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+	.supply_name = "CPVDD1",
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+	.type = REGULATOR_VOLTAGE,
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+	.n_voltages = 40,
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+	.ops = &arizona_micsupp_ops,
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+
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+	.vsel_reg = MADERA_LDO2_CONTROL_1,
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+	.vsel_mask = MADERA_LDO2_VSEL_MASK,
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+	.enable_reg = MADERA_MIC_CHARGE_PUMP_1,
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+	.enable_mask = MADERA_CPMIC_ENA,
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+	.bypass_reg = MADERA_MIC_CHARGE_PUMP_1,
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+	.bypass_mask = MADERA_CPMIC_BYPASS,
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+
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+	.linear_ranges = arizona_micsupp_ext_ranges,
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+	.n_linear_ranges = ARRAY_SIZE(arizona_micsupp_ext_ranges),
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+
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+	.enable_time = 3000,
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+
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+	.owner = THIS_MODULE,
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 };
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 static int arizona_micsupp_of_get_pdata(struct arizona_micsupp_pdata *pdata,
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@@ -321,6 +341,24 @@
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 					   &arizona->pdata.micvdd);
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 }
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+static int madera_micsupp_probe(struct platform_device *pdev)
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+{
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+	struct madera *madera = dev_get_drvdata(pdev->dev.parent);
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+	struct arizona_micsupp *micsupp;
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+
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+	micsupp = devm_kzalloc(&pdev->dev, sizeof(*micsupp), GFP_KERNEL);
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+	if (!micsupp)
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+		return -ENOMEM;
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+
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+	micsupp->regmap = madera->regmap;
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+	micsupp->dapm = &madera->dapm;
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+	micsupp->dev = madera->dev;
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+	micsupp->init_data = arizona_micsupp_ext_default;
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+
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+	return arizona_micsupp_common_init(pdev, micsupp, &madera_micsupp,
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+					   &madera->pdata.micvdd);
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+}
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+
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 static struct platform_driver arizona_micsupp_driver = {
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 	.probe = arizona_micsupp_probe,
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 	.driver		= {
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@@ -328,10 +366,35 @@
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 	},
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 };
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-module_platform_driver(arizona_micsupp_driver);
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+static struct platform_driver madera_micsupp_driver = {
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+	.probe = madera_micsupp_probe,
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+	.driver		= {
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+		.name	= "madera-micsupp",
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+	},
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+};
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+
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+static struct platform_driver * const arizona_micsupp_drivers[] = {
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+	&arizona_micsupp_driver,
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+	&madera_micsupp_driver,
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+};
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+
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+static int __init arizona_micsupp_init(void)
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+{
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+	return platform_register_drivers(arizona_micsupp_drivers,
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+					 ARRAY_SIZE(arizona_micsupp_drivers));
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+}
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+module_init(arizona_micsupp_init);
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+
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+static void __exit arizona_micsupp_exit(void)
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+{
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+	platform_unregister_drivers(arizona_micsupp_drivers,
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+				    ARRAY_SIZE(arizona_micsupp_drivers));
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+}
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+module_exit(arizona_micsupp_exit);
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 /* Module information */
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 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
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 MODULE_DESCRIPTION("Arizona microphone supply driver");
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 MODULE_LICENSE("GPL");
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 MODULE_ALIAS("platform:arizona-micsupp");
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+MODULE_ALIAS("platform:madera-micsupp");