regulator: da9211: support da9215
This is a patch for supporting da9215 buck converter. Signed-off-by: James Ban <james.ban.opensource@diasemi.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
James Ban
Mark Brown
parent
d770e558e2
commit
7bd3935432
5 changed files with 81 additions and 34 deletions
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@ -1,7 +1,7 @@
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* Dialog Semiconductor DA9211/DA9213 Voltage Regulator
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* Dialog Semiconductor DA9211/DA9213/DA9215 Voltage Regulator
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Required properties:
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- compatible: "dlg,da9211" or "dlg,da9213".
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- compatible: "dlg,da9211" or "dlg,da9213" or "dlg,da9215"
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- reg: I2C slave address, usually 0x68.
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- interrupts: the interrupt outputs of the controller
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- regulators: A node that houses a sub-node for each regulator within the
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@ -66,3 +66,31 @@ Example 2) DA9213
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};
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};
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};
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Example 3) DA9215
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pmic: da9215@68 {
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compatible = "dlg,da9215";
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reg = <0x68>;
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interrupts = <3 27>;
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regulators {
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BUCKA {
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regulator-name = "VBUCKA";
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regulator-min-microvolt = < 300000>;
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regulator-max-microvolt = <1570000>;
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regulator-min-microamp = <4000000>;
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regulator-max-microamp = <7000000>;
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enable-gpios = <&gpio 27 0>;
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};
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BUCKB {
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regulator-name = "VBUCKB";
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regulator-min-microvolt = < 300000>;
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regulator-max-microvolt = <1570000>;
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regulator-min-microamp = <4000000>;
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regulator-max-microamp = <7000000>;
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enable-gpios = <&gpio 17 0>;
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};
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};
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};
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@ -209,13 +209,13 @@ config REGULATOR_DA9210
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interface.
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config REGULATOR_DA9211
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tristate "Dialog Semiconductor DA9211/DA9212/DA9213/DA9214 regulator"
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tristate "Dialog Semiconductor DA9211/DA9212/DA9213/DA9214/DA9215 regulator"
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depends on I2C
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select REGMAP_I2C
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help
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Say y here to support for the Dialog Semiconductor DA9211/DA9212
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/DA9213/DA9214.
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The DA9211/DA9212/DA9213/DA9214 is a multi-phase synchronous
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/DA9213/DA9214/DA9215.
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The DA9211/DA9212/DA9213/DA9214/DA9215 is a multi-phase synchronous
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step down converter 12A or 16A DC-DC Buck controlled through an I2C
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interface.
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@ -1,6 +1,6 @@
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/*
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* da9211-regulator.c - Regulator device driver for DA9211/DA9213
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* Copyright (C) 2014 Dialog Semiconductor Ltd.
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* da9211-regulator.c - Regulator device driver for DA9211/DA9213/DA9215
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* Copyright (C) 2015 Dialog Semiconductor Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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@ -32,6 +32,7 @@
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/* DEVICE IDs */
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#define DA9211_DEVICE_ID 0x22
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#define DA9213_DEVICE_ID 0x23
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#define DA9215_DEVICE_ID 0x24
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#define DA9211_BUCK_MODE_SLEEP 1
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#define DA9211_BUCK_MODE_SYNC 2
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@ -90,6 +91,13 @@ static const int da9213_current_limits[] = {
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3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000,
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4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000
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};
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/* Current limits for DA9215 buck (uA) indices
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* corresponds with register values
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*/
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static const int da9215_current_limits[] = {
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4000000, 4200000, 4400000, 4600000, 4800000, 5000000, 5200000, 5400000,
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5600000, 5800000, 6000000, 6200000, 6400000, 6600000, 6800000, 7000000
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};
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static unsigned int da9211_buck_get_mode(struct regulator_dev *rdev)
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{
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@ -157,6 +165,10 @@ static int da9211_set_current_limit(struct regulator_dev *rdev, int min,
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current_limits = da9213_current_limits;
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max_size = ARRAY_SIZE(da9213_current_limits)-1;
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break;
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case DA9215:
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current_limits = da9215_current_limits;
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max_size = ARRAY_SIZE(da9215_current_limits)-1;
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break;
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default:
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return -EINVAL;
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}
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@ -189,6 +201,9 @@ static int da9211_get_current_limit(struct regulator_dev *rdev)
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case DA9213:
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current_limits = da9213_current_limits;
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break;
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case DA9215:
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current_limits = da9215_current_limits;
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break;
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default:
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return -EINVAL;
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}
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@ -350,13 +365,11 @@ static int da9211_regulator_init(struct da9211 *chip)
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/* If configuration for 1/2 bucks is different between platform data
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* and the register, driver should exit.
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*/
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if ((chip->pdata->num_buck == 2 && data == 0x40)
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|| (chip->pdata->num_buck == 1 && data == 0x00)) {
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if (data == 0)
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chip->num_regulator = 1;
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else
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chip->num_regulator = 2;
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} else {
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if (chip->pdata->num_buck == 1 && data == 0x00)
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chip->num_regulator = 1;
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else if (chip->pdata->num_buck == 2 && data != 0x00)
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chip->num_regulator = 2;
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else {
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dev_err(chip->dev, "Configuration is mismatched\n");
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return -EINVAL;
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}
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@ -438,6 +451,9 @@ static int da9211_i2c_probe(struct i2c_client *i2c,
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case DA9213_DEVICE_ID:
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chip->chip_id = DA9213;
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break;
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case DA9215_DEVICE_ID:
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chip->chip_id = DA9215;
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break;
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default:
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dev_err(chip->dev, "Unsupported device id = 0x%x.\n", data);
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return -ENODEV;
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@ -478,6 +494,7 @@ static int da9211_i2c_probe(struct i2c_client *i2c,
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static const struct i2c_device_id da9211_i2c_id[] = {
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{"da9211", DA9211},
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{"da9213", DA9213},
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{"da9215", DA9215},
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{},
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};
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MODULE_DEVICE_TABLE(i2c, da9211_i2c_id);
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@ -486,6 +503,7 @@ MODULE_DEVICE_TABLE(i2c, da9211_i2c_id);
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static const struct of_device_id da9211_dt_ids[] = {
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{ .compatible = "dlg,da9211", .data = &da9211_i2c_id[0] },
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{ .compatible = "dlg,da9213", .data = &da9211_i2c_id[1] },
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{ .compatible = "dlg,da9215", .data = &da9211_i2c_id[2] },
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{},
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};
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MODULE_DEVICE_TABLE(of, da9211_dt_ids);
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@ -504,5 +522,5 @@ static struct i2c_driver da9211_regulator_driver = {
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module_i2c_driver(da9211_regulator_driver);
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MODULE_AUTHOR("James Ban <James.Ban.opensource@diasemi.com>");
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MODULE_DESCRIPTION("Regulator device driver for Dialog DA9211/DA9213");
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MODULE_LICENSE("GPL v2");
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MODULE_DESCRIPTION("Regulator device driver for Dialog DA9211/DA9213/DA9215");
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MODULE_LICENSE("GPL");
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@ -1,16 +1,16 @@
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/*
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* da9211-regulator.h - Regulator definitions for DA9211/DA9213
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* Copyright (C) 2014 Dialog Semiconductor Ltd.
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* da9211-regulator.h - Regulator definitions for DA9211/DA9213/DA9215
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* Copyright (C) 2015 Dialog Semiconductor Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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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 library is distributed in the hope that it will be useful,
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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 GNU
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* Library General Public License for more details.
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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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#ifndef __DA9211_REGISTERS_H__
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@ -1,16 +1,16 @@
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/*
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* da9211.h - Regulator device driver for DA9211/DA9213
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* Copyright (C) 2014 Dialog Semiconductor Ltd.
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* da9211.h - Regulator device driver for DA9211/DA9213/DA9215
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* Copyright (C) 2015 Dialog Semiconductor Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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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 library is distributed in the hope that it will be useful,
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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 GNU
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* Library General Public License for more details.
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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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#ifndef __LINUX_REGULATOR_DA9211_H
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@ -23,6 +23,7 @@
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enum da9211_chip_id {
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DA9211,
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DA9213,
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DA9215,
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};
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struct da9211_pdata {
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