diff options
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/da9211.txt | 32 | ||||
| -rw-r--r-- | drivers/regulator/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/regulator/da9211-regulator.c | 40 | ||||
| -rw-r--r-- | drivers/regulator/da9211-regulator.h | 18 | ||||
| -rw-r--r-- | include/linux/regulator/da9211.h | 19 |
5 files changed, 81 insertions, 34 deletions
diff --git a/Documentation/devicetree/bindings/regulator/da9211.txt b/Documentation/devicetree/bindings/regulator/da9211.txt index eb618907c7de..c620493e8dbe 100644 --- a/Documentation/devicetree/bindings/regulator/da9211.txt +++ b/Documentation/devicetree/bindings/regulator/da9211.txt @@ -1,7 +1,7 @@ -* Dialog Semiconductor DA9211/DA9213 Voltage Regulator +* Dialog Semiconductor DA9211/DA9213/DA9215 Voltage Regulator Required properties: -- compatible: "dlg,da9211" or "dlg,da9213". +- compatible: "dlg,da9211" or "dlg,da9213" or "dlg,da9215" - reg: I2C slave address, usually 0x68. - interrupts: the interrupt outputs of the controller - regulators: A node that houses a sub-node for each regulator within the @@ -66,3 +66,31 @@ Example 2) DA9213 }; }; }; + + +Example 3) DA9215 + pmic: da9215@68 { + compatible = "dlg,da9215"; + reg = <0x68>; + interrupts = <3 27>; + + regulators { + BUCKA { + regulator-name = "VBUCKA"; + regulator-min-microvolt = < 300000>; + regulator-max-microvolt = <1570000>; + regulator-min-microamp = <4000000>; + regulator-max-microamp = <7000000>; + enable-gpios = <&gpio 27 0>; + }; + BUCKB { + regulator-name = "VBUCKB"; + regulator-min-microvolt = < 300000>; + regulator-max-microvolt = <1570000>; + regulator-min-microamp = <4000000>; + regulator-max-microamp = <7000000>; + enable-gpios = <&gpio 17 0>; + }; + }; + }; + diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index bef3bde6971b..23496da101de 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -209,13 +209,13 @@ config REGULATOR_DA9210 interface. config REGULATOR_DA9211 - tristate "Dialog Semiconductor DA9211/DA9212/DA9213/DA9214 regulator" + tristate "Dialog Semiconductor DA9211/DA9212/DA9213/DA9214/DA9215 regulator" depends on I2C select REGMAP_I2C help Say y here to support for the Dialog Semiconductor DA9211/DA9212 - /DA9213/DA9214. - The DA9211/DA9212/DA9213/DA9214 is a multi-phase synchronous + /DA9213/DA9214/DA9215. + The DA9211/DA9212/DA9213/DA9214/DA9215 is a multi-phase synchronous step down converter 12A or 16A DC-DC Buck controlled through an I2C interface. diff --git a/drivers/regulator/da9211-regulator.c b/drivers/regulator/da9211-regulator.c index df79e4b1946e..0858100d2d03 100644 --- a/drivers/regulator/da9211-regulator.c +++ b/drivers/regulator/da9211-regulator.c @@ -1,6 +1,6 @@ /* - * da9211-regulator.c - Regulator device driver for DA9211/DA9213 - * Copyright (C) 2014 Dialog Semiconductor Ltd. + * da9211-regulator.c - Regulator device driver for DA9211/DA9213/DA9215 + * Copyright (C) 2015 Dialog Semiconductor Ltd. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public @@ -32,6 +32,7 @@ /* DEVICE IDs */ #define DA9211_DEVICE_ID 0x22 #define DA9213_DEVICE_ID 0x23 +#define DA9215_DEVICE_ID 0x24 #define DA9211_BUCK_MODE_SLEEP 1 #define DA9211_BUCK_MODE_SYNC 2 @@ -90,6 +91,13 @@ static const int da9213_current_limits[] = { 3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, 4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000 }; +/* Current limits for DA9215 buck (uA) indices + * corresponds with register values + */ +static const int da9215_current_limits[] = { + 4000000, 4200000, 4400000, 4600000, 4800000, 5000000, 5200000, 5400000, + 5600000, 5800000, 6000000, 6200000, 6400000, 6600000, 6800000, 7000000 +}; static unsigned int da9211_buck_get_mode(struct regulator_dev *rdev) { @@ -157,6 +165,10 @@ static int da9211_set_current_limit(struct regulator_dev *rdev, int min, current_limits = da9213_current_limits; max_size = ARRAY_SIZE(da9213_current_limits)-1; break; + case DA9215: + current_limits = da9215_current_limits; + max_size = ARRAY_SIZE(da9215_current_limits)-1; + break; default: return -EINVAL; } @@ -189,6 +201,9 @@ static int da9211_get_current_limit(struct regulator_dev *rdev) case DA9213: current_limits = da9213_current_limits; break; + case DA9215: + current_limits = da9215_current_limits; + break; default: return -EINVAL; } @@ -350,13 +365,11 @@ static int da9211_regulator_init(struct da9211 *chip) /* If configuration for 1/2 bucks is different between platform data * and the register, driver should exit. */ - if ((chip->pdata->num_buck == 2 && data == 0x40) - || (chip->pdata->num_buck == 1 && data == 0x00)) { - if (data == 0) - chip->num_regulator = 1; - else - chip->num_regulator = 2; - } else { + if (chip->pdata->num_buck == 1 && data == 0x00) + chip->num_regulator = 1; + else if (chip->pdata->num_buck == 2 && data != 0x00) + chip->num_regulator = 2; + else { dev_err(chip->dev, "Configuration is mismatched\n"); return -EINVAL; } @@ -438,6 +451,9 @@ static int da9211_i2c_probe(struct i2c_client *i2c, case DA9213_DEVICE_ID: chip->chip_id = DA9213; break; + case DA9215_DEVICE_ID: + chip->chip_id = DA9215; + break; default: dev_err(chip->dev, "Unsupported device id = 0x%x.\n", data); return -ENODEV; @@ -478,6 +494,7 @@ static int da9211_i2c_probe(struct i2c_client *i2c, static const struct i2c_device_id da9211_i2c_id[] = { {"da9211", DA9211}, {"da9213", DA9213}, + {"da9215", DA9215}, {}, }; MODULE_DEVICE_TABLE(i2c, da9211_i2c_id); @@ -486,6 +503,7 @@ MODULE_DEVICE_TABLE(i2c, da9211_i2c_id); static const struct of_device_id da9211_dt_ids[] = { { .compatible = "dlg,da9211", .data = &da9211_i2c_id[0] }, { .compatible = "dlg,da9213", .data = &da9211_i2c_id[1] }, + { .compatible = "dlg,da9215", .data = &da9211_i2c_id[2] }, {}, }; MODULE_DEVICE_TABLE(of, da9211_dt_ids); @@ -504,5 +522,5 @@ static struct i2c_driver da9211_regulator_driver = { module_i2c_driver(da9211_regulator_driver); MODULE_AUTHOR("James Ban <James.Ban.opensource@diasemi.com>"); -MODULE_DESCRIPTION("Regulator device driver for Dialog DA9211/DA9213"); -MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Regulator device driver for Dialog DA9211/DA9213/DA9215"); +MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/da9211-regulator.h b/drivers/regulator/da9211-regulator.h index 93fa9df2721c..d6ad96fc64d3 100644 --- a/drivers/regulator/da9211-regulator.h +++ b/drivers/regulator/da9211-regulator.h @@ -1,16 +1,16 @@ /* - * da9211-regulator.h - Regulator definitions for DA9211/DA9213 - * Copyright (C) 2014 Dialog Semiconductor Ltd. + * da9211-regulator.h - Regulator definitions for DA9211/DA9213/DA9215 + * Copyright (C) 2015 Dialog Semiconductor Ltd. * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * 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; either version 2 + * of the License, or (at your option) any later version. * - * This library is distributed in the hope that it will be useful, + * 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 - * Library General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. */ #ifndef __DA9211_REGISTERS_H__ diff --git a/include/linux/regulator/da9211.h b/include/linux/regulator/da9211.h index 5dd65acc2a69..a43a5ca1167b 100644 --- a/include/linux/regulator/da9211.h +++ b/include/linux/regulator/da9211.h @@ -1,16 +1,16 @@ /* - * da9211.h - Regulator device driver for DA9211/DA9213 - * Copyright (C) 2014 Dialog Semiconductor Ltd. + * da9211.h - Regulator device driver for DA9211/DA9213/DA9215 + * Copyright (C) 2015 Dialog Semiconductor Ltd. * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * 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; either version 2 + * of the License, or (at your option) any later version. * - * This library is distributed in the hope that it will be useful, + * 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 - * Library General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. */ #ifndef __LINUX_REGULATOR_DA9211_H @@ -23,6 +23,7 @@ enum da9211_chip_id { DA9211, DA9213, + DA9215, }; struct da9211_pdata { |