Commit 9b08f765 authored by Mark Brown's avatar Mark Brown

Merge remote-tracking branches 'regulator/topic/hi6421v530',...

Merge remote-tracking branches 'regulator/topic/hi6421v530', 'regulator/topic/lp8755', 'regulator/topic/lp87565', 'regulator/topic/max8997' and 'regulator/topic/palmas' into regulator-next
......@@ -296,6 +296,16 @@ config REGULATOR_HI6421
21 general purpose LDOs, 3 dedicated LDOs, and 5 BUCKs. All
of them come with support to either ECO (idle) or sleep mode.
config REGULATOR_HI6421V530
tristate "HiSilicon Hi6421v530 PMIC voltage regulator support"
depends on MFD_HI6421_PMIC && OF
help
This driver provides support for the voltage regulators on
HiSilicon Hi6421v530 PMU / Codec IC.
Hi6421v530 is a multi-function device which, on regulator part,
provides 5 general purpose LDOs, and all of them come with support
to either ECO (idle) or sleep mode.
config REGULATOR_HI655X
tristate "Hisilicon HI655X PMIC regulators support"
depends on ARCH_HISI || COMPILE_TEST
......@@ -365,6 +375,14 @@ config REGULATOR_LP8755
chip contains six step-down DC/DC converters which can support
9 mode multiphase configuration.
config REGULATOR_LP87565
tristate "TI LP87565 Power regulators"
depends on MFD_TI_LP87565 && OF
help
This driver supports LP87565 voltage regulator chips. LP87565
provides four step-down converters. It supports software based
voltage control for different voltage domains
config REGULATOR_LP8788
tristate "TI LP8788 Power Regulators"
depends on MFD_LP8788
......
......@@ -38,6 +38,7 @@ obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o
obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
obj-$(CONFIG_REGULATOR_HI6421) += hi6421-regulator.o
obj-$(CONFIG_REGULATOR_HI6421V530) += hi6421v530-regulator.o
obj-$(CONFIG_REGULATOR_HI655X) += hi655x-regulator.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_ISL9305) += isl9305.o
......@@ -46,6 +47,7 @@ obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
obj-$(CONFIG_REGULATOR_LP3972) += lp3972.o
obj-$(CONFIG_REGULATOR_LP872X) += lp872x.o
obj-$(CONFIG_REGULATOR_LP873X) += lp873x-regulator.o
obj-$(CONFIG_REGULATOR_LP87565) += lp87565-regulator.o
obj-$(CONFIG_REGULATOR_LP8788) += lp8788-buck.o
obj-$(CONFIG_REGULATOR_LP8788) += lp8788-ldo.o
obj-$(CONFIG_REGULATOR_LP8755) += lp8755.o
......
/*
* Device driver for regulators in Hi6421V530 IC
*
* Copyright (c) <2017> HiSilicon Technologies Co., Ltd.
* http://www.hisilicon.com
* Copyright (c) <2017> Linaro Ltd.
* http://www.linaro.org
*
* Author: Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com>
* Guodong Xu <guodong.xu@linaro.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/mfd/hi6421-pmic.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
/*
* struct hi6421v530_regulator_info - hi6421v530 regulator information
* @desc: regulator description
* @mode_mask: ECO mode bitmask of LDOs; for BUCKs, this masks sleep
* @eco_microamp: eco mode load upper limit (in uA), valid for LDOs only
*/
struct hi6421v530_regulator_info {
struct regulator_desc rdesc;
u8 mode_mask;
u32 eco_microamp;
};
/* HI6421v530 regulators */
enum hi6421v530_regulator_id {
HI6421V530_LDO3,
HI6421V530_LDO9,
HI6421V530_LDO11,
HI6421V530_LDO15,
HI6421V530_LDO16,
};
static const unsigned int ldo_3_voltages[] = {
1800000, 1825000, 1850000, 1875000,
1900000, 1925000, 1950000, 1975000,
2000000, 2025000, 2050000, 2075000,
2100000, 2125000, 2150000, 2200000,
};
static const unsigned int ldo_9_11_voltages[] = {
1750000, 1800000, 1825000, 2800000,
2850000, 2950000, 3000000, 3300000,
};
static const unsigned int ldo_15_16_voltages[] = {
1750000, 1800000, 2400000, 2600000,
2700000, 2850000, 2950000, 3000000,
};
static const struct regulator_ops hi6421v530_ldo_ops;
#define HI6421V530_LDO_ENABLE_TIME (350)
/*
* _id - LDO id name string
* v_table - voltage table
* vreg - voltage select register
* vmask - voltage select mask
* ereg - enable register
* emask - enable mask
* odelay - off/on delay time in uS
* ecomask - eco mode mask
* ecoamp - eco mode load uppler limit in uA
*/
#define HI6421V530_LDO(_ID, v_table, vreg, vmask, ereg, emask, \
odelay, ecomask, ecoamp) { \
.rdesc = { \
.name = #_ID, \
.of_match = of_match_ptr(#_ID), \
.regulators_node = of_match_ptr("regulators"), \
.ops = &hi6421v530_ldo_ops, \
.type = REGULATOR_VOLTAGE, \
.id = HI6421V530_##_ID, \
.owner = THIS_MODULE, \
.n_voltages = ARRAY_SIZE(v_table), \
.volt_table = v_table, \
.vsel_reg = HI6421_REG_TO_BUS_ADDR(vreg), \
.vsel_mask = vmask, \
.enable_reg = HI6421_REG_TO_BUS_ADDR(ereg), \
.enable_mask = emask, \
.enable_time = HI6421V530_LDO_ENABLE_TIME, \
.off_on_delay = odelay, \
}, \
.mode_mask = ecomask, \
.eco_microamp = ecoamp, \
}
/* HI6421V530 regulator information */
static struct hi6421v530_regulator_info hi6421v530_regulator_info[] = {
HI6421V530_LDO(LDO3, ldo_3_voltages, 0x061, 0xf, 0x060, 0x2,
20000, 0x6, 8000),
HI6421V530_LDO(LDO9, ldo_9_11_voltages, 0x06b, 0x7, 0x06a, 0x2,
40000, 0x6, 8000),
HI6421V530_LDO(LDO11, ldo_9_11_voltages, 0x06f, 0x7, 0x06e, 0x2,
40000, 0x6, 8000),
HI6421V530_LDO(LDO15, ldo_15_16_voltages, 0x077, 0x7, 0x076, 0x2,
40000, 0x6, 8000),
HI6421V530_LDO(LDO16, ldo_15_16_voltages, 0x079, 0x7, 0x078, 0x2,
40000, 0x6, 8000),
};
static unsigned int hi6421v530_regulator_ldo_get_mode(
struct regulator_dev *rdev)
{
struct hi6421v530_regulator_info *info;
unsigned int reg_val;
info = rdev_get_drvdata(rdev);
regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);
if (reg_val & (info->mode_mask))
return REGULATOR_MODE_IDLE;
return REGULATOR_MODE_NORMAL;
}
static int hi6421v530_regulator_ldo_set_mode(struct regulator_dev *rdev,
unsigned int mode)
{
struct hi6421v530_regulator_info *info;
unsigned int new_mode;
info = rdev_get_drvdata(rdev);
switch (mode) {
case REGULATOR_MODE_NORMAL:
new_mode = 0;
break;
case REGULATOR_MODE_IDLE:
new_mode = info->mode_mask;
break;
default:
return -EINVAL;
}
regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
info->mode_mask, new_mode);
return 0;
}
static const struct regulator_ops hi6421v530_ldo_ops = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_ascend,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_mode = hi6421v530_regulator_ldo_get_mode,
.set_mode = hi6421v530_regulator_ldo_set_mode,
};
static int hi6421v530_regulator_probe(struct platform_device *pdev)
{
struct hi6421_pmic *pmic;
struct regulator_dev *rdev;
struct regulator_config config = { };
unsigned int i;
pmic = dev_get_drvdata(pdev->dev.parent);
if (!pmic) {
dev_err(&pdev->dev, "no pmic in the regulator parent node\n");
return -ENODEV;
}
for (i = 0; i < ARRAY_SIZE(hi6421v530_regulator_info); i++) {
config.dev = pdev->dev.parent;
config.regmap = pmic->regmap;
config.driver_data = &hi6421v530_regulator_info[i];
rdev = devm_regulator_register(&pdev->dev,
&hi6421v530_regulator_info[i].rdesc,
&config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
hi6421v530_regulator_info[i].rdesc.name);
return PTR_ERR(rdev);
}
}
return 0;
}
static const struct platform_device_id hi6421v530_regulator_table[] = {
{ .name = "hi6421v530-regulator" },
{},
};
MODULE_DEVICE_TABLE(platform, hi6421v530_regulator_table);
static struct platform_driver hi6421v530_regulator_driver = {
.id_table = hi6421v530_regulator_table,
.driver = {
.name = "hi6421v530-regulator",
},
.probe = hi6421v530_regulator_probe,
};
module_platform_driver(hi6421v530_regulator_driver);
MODULE_AUTHOR("Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com>");
MODULE_DESCRIPTION("Hi6421v530 regulator driver");
MODULE_LICENSE("GPL v2");
......@@ -99,7 +99,7 @@ static int lp8755_buck_enable_time(struct regulator_dev *rdev)
ret = lp8755_read(pchip, 0x12 + id, &regval);
if (ret < 0) {
dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
dev_err(pchip->dev, "i2c access error %s\n", __func__);
return ret;
}
return (regval & 0xff) * 100;
......@@ -144,7 +144,7 @@ static int lp8755_buck_set_mode(struct regulator_dev *rdev, unsigned int mode)
goto err_i2c;
return ret;
err_i2c:
dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
dev_err(pchip->dev, "i2c access error %s\n", __func__);
return ret;
}
......@@ -175,7 +175,7 @@ static unsigned int lp8755_buck_get_mode(struct regulator_dev *rdev)
return REGULATOR_MODE_NORMAL;
err_i2c:
dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
dev_err(pchip->dev, "i2c access error %s\n", __func__);
return 0;
}
......@@ -223,7 +223,7 @@ static int lp8755_buck_set_ramp(struct regulator_dev *rdev, int ramp)
goto err_i2c;
return ret;
err_i2c:
dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
dev_err(pchip->dev, "i2c access error %s\n", __func__);
return ret;
}
......@@ -295,7 +295,7 @@ static int lp8755_init_data(struct lp8755_chip *pchip)
return ret;
out_i2c_error:
dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
dev_err(pchip->dev, "i2c access error %s\n", __func__);
return ret;
}
......@@ -404,7 +404,7 @@ static irqreturn_t lp8755_irq_handler(int irq, void *data)
return IRQ_HANDLED;
err_i2c:
dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
dev_err(pchip->dev, "i2c access error %s\n", __func__);
return IRQ_NONE;
}
......@@ -420,7 +420,7 @@ static int lp8755_int_config(struct lp8755_chip *pchip)
ret = lp8755_read(pchip, 0x0F, &regval);
if (ret < 0) {
dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
dev_err(pchip->dev, "i2c access error %s\n", __func__);
return ret;
}
......
/*
* Regulator driver for LP87565 PMIC
*
* Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
*
* 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 version 2.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/mfd/lp87565.h>
#define LP87565_REGULATOR(_name, _id, _of, _ops, _n, _vr, _vm, _er, _em, \
_delay, _lr, _cr) \
[_id] = { \
.desc = { \
.name = _name, \
.supply_name = _of "-in", \
.id = _id, \
.of_match = of_match_ptr(_of), \
.regulators_node = of_match_ptr("regulators"),\
.ops = &_ops, \
.n_voltages = _n, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
.vsel_reg = _vr, \
.vsel_mask = _vm, \
.enable_reg = _er, \
.enable_mask = _em, \
.ramp_delay = _delay, \
.linear_ranges = _lr, \
.n_linear_ranges = ARRAY_SIZE(_lr), \
}, \
.ctrl2_reg = _cr, \
}
struct lp87565_regulator {
struct regulator_desc desc;
unsigned int ctrl2_reg;
};
static const struct lp87565_regulator regulators[];
static const struct regulator_linear_range buck0_1_2_3_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0xA, 0x17, 10000),
REGULATOR_LINEAR_RANGE(735000, 0x18, 0x9d, 5000),
REGULATOR_LINEAR_RANGE(1420000, 0x9e, 0xff, 20000),
};
static unsigned int lp87565_buck_ramp_delay[] = {
30000, 15000, 10000, 7500, 3800, 1900, 940, 470
};
/* LP87565 BUCK current limit */
static const unsigned int lp87565_buck_uA[] = {
1500000, 2000000, 2500000, 3000000, 3500000, 4000000, 4500000, 5000000,
};
static int lp87565_buck_set_ramp_delay(struct regulator_dev *rdev,
int ramp_delay)
{
int id = rdev_get_id(rdev);
struct lp87565 *lp87565 = rdev_get_drvdata(rdev);
unsigned int reg;
int ret;
if (ramp_delay <= 470)
reg = 7;
else if (ramp_delay <= 940)
reg = 6;
else if (ramp_delay <= 1900)
reg = 5;
else if (ramp_delay <= 3800)
reg = 4;
else if (ramp_delay <= 7500)
reg = 3;
else if (ramp_delay <= 10000)
reg = 2;
else if (ramp_delay <= 15000)
reg = 1;
else
reg = 0;
ret = regmap_update_bits(lp87565->regmap, regulators[id].ctrl2_reg,
LP87565_BUCK_CTRL_2_SLEW_RATE,
reg << __ffs(LP87565_BUCK_CTRL_2_SLEW_RATE));
if (ret) {
dev_err(lp87565->dev, "SLEW RATE write failed: %d\n", ret);
return ret;
}
rdev->constraints->ramp_delay = lp87565_buck_ramp_delay[reg];
return 0;
}
static int lp87565_buck_set_current_limit(struct regulator_dev *rdev,
int min_uA, int max_uA)
{
int id = rdev_get_id(rdev);
struct lp87565 *lp87565 = rdev_get_drvdata(rdev);
int i;
for (i = ARRAY_SIZE(lp87565_buck_uA) - 1; i >= 0; i--) {
if (lp87565_buck_uA[i] >= min_uA &&
lp87565_buck_uA[i] <= max_uA)
return regmap_update_bits(lp87565->regmap,
regulators[id].ctrl2_reg,
LP87565_BUCK_CTRL_2_ILIM,
i << __ffs(LP87565_BUCK_CTRL_2_ILIM));
}
return -EINVAL;
}
static int lp87565_buck_get_current_limit(struct regulator_dev *rdev)
{
int id = rdev_get_id(rdev);
struct lp87565 *lp87565 = rdev_get_drvdata(rdev);
int ret;
unsigned int val;
ret = regmap_read(lp87565->regmap, regulators[id].ctrl2_reg, &val);
if (ret)
return ret;
val = (val & LP87565_BUCK_CTRL_2_ILIM) >>
__ffs(LP87565_BUCK_CTRL_2_ILIM);
return (val < ARRAY_SIZE(lp87565_buck_uA)) ?
lp87565_buck_uA[val] : -EINVAL;
}
/* Operations permitted on BUCK0, BUCK1 */
static struct regulator_ops lp87565_buck_ops = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.set_ramp_delay = lp87565_buck_set_ramp_delay,
.set_current_limit = lp87565_buck_set_current_limit,
.get_current_limit = lp87565_buck_get_current_limit,
};
static const struct lp87565_regulator regulators[] = {
LP87565_REGULATOR("BUCK0", LP87565_BUCK_0, "buck0", lp87565_buck_ops,
256, LP87565_REG_BUCK0_VOUT, LP87565_BUCK_VSET,
LP87565_REG_BUCK0_CTRL_1,
LP87565_BUCK_CTRL_1_EN, 3800,
buck0_1_2_3_ranges, LP87565_REG_BUCK0_CTRL_2),
LP87565_REGULATOR("BUCK1", LP87565_BUCK_1, "buck1", lp87565_buck_ops,
256, LP87565_REG_BUCK1_VOUT, LP87565_BUCK_VSET,
LP87565_REG_BUCK1_CTRL_1,
LP87565_BUCK_CTRL_1_EN, 3800,
buck0_1_2_3_ranges, LP87565_REG_BUCK1_CTRL_2),
LP87565_REGULATOR("BUCK2", LP87565_BUCK_2, "buck2", lp87565_buck_ops,
256, LP87565_REG_BUCK2_VOUT, LP87565_BUCK_VSET,
LP87565_REG_BUCK2_CTRL_1,
LP87565_BUCK_CTRL_1_EN, 3800,
buck0_1_2_3_ranges, LP87565_REG_BUCK2_CTRL_2),
LP87565_REGULATOR("BUCK3", LP87565_BUCK_3, "buck3", lp87565_buck_ops,
256, LP87565_REG_BUCK3_VOUT, LP87565_BUCK_VSET,
LP87565_REG_BUCK3_CTRL_1,
LP87565_BUCK_CTRL_1_EN, 3800,
buck0_1_2_3_ranges, LP87565_REG_BUCK3_CTRL_2),
LP87565_REGULATOR("BUCK10", LP87565_BUCK_10, "buck10", lp87565_buck_ops,
256, LP87565_REG_BUCK0_VOUT, LP87565_BUCK_VSET,
LP87565_REG_BUCK0_CTRL_1,
LP87565_BUCK_CTRL_1_EN, 3800,
buck0_1_2_3_ranges, LP87565_REG_BUCK0_CTRL_2),
LP87565_REGULATOR("BUCK23", LP87565_BUCK_23, "buck23", lp87565_buck_ops,
256, LP87565_REG_BUCK2_VOUT, LP87565_BUCK_VSET,
LP87565_REG_BUCK2_CTRL_1,
LP87565_BUCK_CTRL_1_EN, 3800,
buck0_1_2_3_ranges, LP87565_REG_BUCK2_CTRL_2),
};
static int lp87565_regulator_probe(struct platform_device *pdev)
{
struct lp87565 *lp87565 = dev_get_drvdata(pdev->dev.parent);
struct regulator_config config = { };
struct regulator_dev *rdev;
int i, min_idx = LP87565_BUCK_1, max_idx = LP87565_BUCK_3;
platform_set_drvdata(pdev, lp87565);
config.dev = &pdev->dev;
config.dev->of_node = lp87565->dev->of_node;
config.driver_data = lp87565;
config.regmap = lp87565->regmap;
if (lp87565->dev_type == LP87565_DEVICE_TYPE_LP87565_Q1) {
min_idx = LP87565_BUCK_10;
max_idx = LP87565_BUCK_23;
}
for (i = min_idx; i <= max_idx; i++) {
rdev = devm_regulator_register(&pdev->dev, &regulators[i].desc,
&config);
if (IS_ERR(rdev)) {
dev_err(lp87565->dev, "failed to register %s regulator\n",
pdev->name);
return PTR_ERR(rdev);
}
}
return 0;
}
static const struct platform_device_id lp87565_regulator_id_table[] = {
{ "lp87565-regulator", },
{ "lp87565-q1-regulator", },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(platform, lp87565_regulator_id_table);
static struct platform_driver lp87565_regulator_driver = {
.driver = {
.name = "lp87565-pmic",
},
.probe = lp87565_regulator_probe,
.id_table = lp87565_regulator_id_table,
};
module_platform_driver(lp87565_regulator_driver);
MODULE_AUTHOR("J Keerthy <j-keerthy@ti.com>");
MODULE_DESCRIPTION("LP87565 voltage regulator driver");
MODULE_LICENSE("GPL v2");
......@@ -428,12 +428,9 @@ static int max8997_set_voltage_charger_cv(struct regulator_dev *rdev,
if (max_uV < 4000000 || min_uV > 4350000)
return -EINVAL;
if (min_uV <= 4000000) {
if (max_uV >= 4000000)
return -EINVAL;
else
val = 0x1;
} else if (min_uV <= 4200000 && max_uV >= 4200000)
if (min_uV <= 4000000)
val = 0x1;
else if (min_uV <= 4200000 && max_uV >= 4200000)
val = 0x0;
else {
lb = (min_uV - 4000001) / 20000 + 2;
......
......@@ -1491,7 +1491,7 @@ static int palmas_dt_to_pdata(struct device *dev,
}
for (idx = 0; idx < ddata->max_reg; idx++) {
static struct of_regulator_match *match;
struct of_regulator_match *match;
struct palmas_reg_init *rinit;
struct device_node *np;
......
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