Skip to content

L
linux
Commit 54515214 authored by Mark Brown's avatar Mark Brown
Browse files
Options

Merge tag 'bd71847-support' into regulator-4.20 

regulator/mfd: Support for the ROHM BD71847

This adds support for the BD71847 which touches both MFD and regulator.
There's a few other bits and pieces included as some dependency patches
had already been applied so would've required rebasing.
parents 5a7d7d0f 2ece646c
Hide whitespace changes
Inline Side-by-side
Showing with 1694 additions and 924 deletions
Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt
View file @ 54515214
* ROHM BD71837 Power Management Integrated Circuit bindings
* ROHM BD71837 and BD71847 Power Management Integrated Circuit bindings
BD71837MWV is a programmable Power Management IC for powering single-core,
dual-core, and quad-core SoCs such as NXP-i.MX 8M. It is optimized for
low BOM cost and compact solution footprint. It integrates 8 Buck
egulators and 7 LDOs to provide all the power rails required by the SoC and
the commonly used peripherals.
BD71837MWV and BD71847MWV are programmable Power Management ICs for powering
single-core, dual-core, and quad-core SoCs such as NXP-i.MX 8M. They are
optimized for low BOM cost and compact solution footprint. BD71837MWV
integrates 8 Buck regulators and 7 LDOs. BD71847MWV contains 6 Buck regulators
and 6 LDOs.
Datasheet for PMIC is available at:
Datasheet for BD71837 is available at:
https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e
Required properties:
- compatible : Should be "rohm,bd71837".
- compatible : Should be "rohm,bd71837" for bd71837
"rohm,bd71847" for bd71847.
- reg : I2C slave address.
- interrupt-parent : Phandle to the parent interrupt controller.
- interrupts : The interrupt line the device is connected to.
......
Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt
View file @ 54515214
ROHM BD71837 Power Management Integrated Circuit (PMIC) regulator bindings
ROHM BD71837 and BD71847 Power Management Integrated Circuit regulator bindings
Required properties:
- regulator-name: should be "buck1", ..., "buck8" and "ldo1", ..., "ldo7"
- regulator-name: should be "buck1", ..., "buck8" and "ldo1", ..., "ldo7" for
BD71837. For BD71847 names should be "buck1", ..., "buck6"
and "ldo1", ..., "ldo6"
List of regulators provided by this controller. BD71837 regulators node
should be sub node of the BD71837 MFD node. See BD71837 MFD bindings at
......@@ -16,10 +18,14 @@ disabled by driver at startup. LDO5 and LDO6 are supplied by those and
if they are disabled at startup the voltage monitoring for LDO5/LDO6 will
cause PMIC to reset.
The valid names for regulator nodes are:
The valid names for BD71837 regulator nodes are:
BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, BUCK7, BUCK8
LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7
The valid names for BD71847 regulator nodes are:
BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6
LDO1, LDO2, LDO3, LDO4, LDO5, LDO6
Optional properties:
- Any optional property defined in bindings/regulator/regulator.txt
......
drivers/mfd/rohm-bd718x7.c
View file @ 54515214
......@@ -2,26 +2,21 @@
//
// Copyright (C) 2018 ROHM Semiconductors
//
// ROHM BD71837MWV PMIC driver
// ROHM BD71837MWV and BD71847MWV PMIC driver
//
// Datasheet available from
// Datasheet for BD71837MWV available from
// https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e
#include <linux/gpio_keys.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/mfd/rohm-bd718x7.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
/*
* gpio_keys.h requires definiton of bool. It is brought in
* by above includes. Keep this as last until gpio_keys.h gets fixed.
*/
#include <linux/gpio_keys.h>
static const u8 supported_revisions[] = { 0xA2 /* BD71837 */ };
#include <linux/types.h>
static struct gpio_keys_button button = {
.code = KEY_POWER,
......@@ -35,42 +30,42 @@ static struct gpio_keys_platform_data bd718xx_powerkey_data = {
.name = "bd718xx-pwrkey",
};
static struct mfd_cell bd71837_mfd_cells[] = {
static struct mfd_cell bd718xx_mfd_cells[] = {
{
.name = "gpio-keys",
.platform_data = &bd718xx_powerkey_data,
.pdata_size = sizeof(bd718xx_powerkey_data),
},
{ .name = "bd71837-clk", },
{ .name = "bd71837-pmic", },
{ .name = "bd718xx-clk", },
{ .name = "bd718xx-pmic", },
};
static const struct regmap_irq bd71837_irqs[] = {
REGMAP_IRQ_REG(BD71837_INT_SWRST, 0, BD71837_INT_SWRST_MASK),
REGMAP_IRQ_REG(BD71837_INT_PWRBTN_S, 0, BD71837_INT_PWRBTN_S_MASK),
REGMAP_IRQ_REG(BD71837_INT_PWRBTN_L, 0, BD71837_INT_PWRBTN_L_MASK),
REGMAP_IRQ_REG(BD71837_INT_PWRBTN, 0, BD71837_INT_PWRBTN_MASK),
REGMAP_IRQ_REG(BD71837_INT_WDOG, 0, BD71837_INT_WDOG_MASK),
REGMAP_IRQ_REG(BD71837_INT_ON_REQ, 0, BD71837_INT_ON_REQ_MASK),
REGMAP_IRQ_REG(BD71837_INT_STBY_REQ, 0, BD71837_INT_STBY_REQ_MASK),
static const struct regmap_irq bd718xx_irqs[] = {
REGMAP_IRQ_REG(BD718XX_INT_SWRST, 0, BD718XX_INT_SWRST_MASK),
REGMAP_IRQ_REG(BD718XX_INT_PWRBTN_S, 0, BD718XX_INT_PWRBTN_S_MASK),
REGMAP_IRQ_REG(BD718XX_INT_PWRBTN_L, 0, BD718XX_INT_PWRBTN_L_MASK),
REGMAP_IRQ_REG(BD718XX_INT_PWRBTN, 0, BD718XX_INT_PWRBTN_MASK),
REGMAP_IRQ_REG(BD718XX_INT_WDOG, 0, BD718XX_INT_WDOG_MASK),
REGMAP_IRQ_REG(BD718XX_INT_ON_REQ, 0, BD718XX_INT_ON_REQ_MASK),
REGMAP_IRQ_REG(BD718XX_INT_STBY_REQ, 0, BD718XX_INT_STBY_REQ_MASK),
};
static struct regmap_irq_chip bd71837_irq_chip = {
.name = "bd71837-irq",
.irqs = bd71837_irqs,
.num_irqs = ARRAY_SIZE(bd71837_irqs),
static struct regmap_irq_chip bd718xx_irq_chip = {
.name = "bd718xx-irq",
.irqs = bd718xx_irqs,
.num_irqs = ARRAY_SIZE(bd718xx_irqs),
.num_regs = 1,
.irq_reg_stride = 1,
.status_base = BD71837_REG_IRQ,
.mask_base = BD71837_REG_MIRQ,
.ack_base = BD71837_REG_IRQ,
.status_base = BD718XX_REG_IRQ,
.mask_base = BD718XX_REG_MIRQ,
.ack_base = BD718XX_REG_IRQ,
.init_ack_masked = true,
.mask_invert = false,
};
static const struct regmap_range pmic_status_range = {
.range_min = BD71837_REG_IRQ,
.range_max = BD71837_REG_POW_STATE,
.range_min = BD718XX_REG_IRQ,
.range_max = BD718XX_REG_POW_STATE,
};
static const struct regmap_access_table volatile_regs = {
......@@ -78,67 +73,53 @@ static const struct regmap_access_table volatile_regs = {
.n_yes_ranges = 1,
};
static const struct regmap_config bd71837_regmap_config = {
static const struct regmap_config bd718xx_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.volatile_table = &volatile_regs,
.max_register = BD71837_MAX_REGISTER - 1,
.max_register = BD718XX_MAX_REGISTER - 1,
.cache_type = REGCACHE_RBTREE,
};
static int bd71837_i2c_probe(struct i2c_client *i2c,
static int bd718xx_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct bd71837 *bd71837;
int ret, i;
unsigned int val;
bd71837 = devm_kzalloc(&i2c->dev, sizeof(struct bd71837), GFP_KERNEL);
struct bd718xx *bd718xx;
int ret;
if (!bd71837)
return -ENOMEM;
bd71837->chip_irq = i2c->irq;
if (!bd71837->chip_irq) {
if (!i2c->irq) {
dev_err(&i2c->dev, "No IRQ configured\n");
return -EINVAL;
}
bd71837->dev = &i2c->dev;
dev_set_drvdata(&i2c->dev, bd71837);
bd718xx = devm_kzalloc(&i2c->dev, sizeof(struct bd718xx), GFP_KERNEL);
bd71837->regmap = devm_regmap_init_i2c(i2c, &bd71837_regmap_config);
if (IS_ERR(bd71837->regmap)) {
dev_err(&i2c->dev, "regmap initialization failed\n");
return PTR_ERR(bd71837->regmap);
}
if (!bd718xx)
return -ENOMEM;
ret = regmap_read(bd71837->regmap, BD71837_REG_REV, &val);
if (ret) {
dev_err(&i2c->dev, "Read BD71837_REG_DEVICE failed\n");
return ret;
}
for (i = 0; i < ARRAY_SIZE(supported_revisions); i++)
if (supported_revisions[i] == val)
break;
bd718xx->chip_irq = i2c->irq;
bd718xx->chip_type = (unsigned int)
of_device_get_match_data(&i2c->dev);
bd718xx->dev = &i2c->dev;
dev_set_drvdata(&i2c->dev, bd718xx);
if (i == ARRAY_SIZE(supported_revisions)) {
dev_err(&i2c->dev, "Unsupported chip revision\n");
return -ENODEV;
bd718xx->regmap = devm_regmap_init_i2c(i2c, &bd718xx_regmap_config);
if (IS_ERR(bd718xx->regmap)) {
dev_err(&i2c->dev, "regmap initialization failed\n");
return PTR_ERR(bd718xx->regmap);
}
ret = devm_regmap_add_irq_chip(&i2c->dev, bd71837->regmap,
bd71837->chip_irq, IRQF_ONESHOT, 0,
&bd71837_irq_chip, &bd71837->irq_data);
ret = devm_regmap_add_irq_chip(&i2c->dev, bd718xx->regmap,
bd718xx->chip_irq, IRQF_ONESHOT, 0,
&bd718xx_irq_chip, &bd718xx->irq_data);
if (ret) {
dev_err(&i2c->dev, "Failed to add irq_chip\n");
return ret;
}
/* Configure short press to 10 milliseconds */
ret = regmap_update_bits(bd71837->regmap,
BD71837_REG_PWRONCONFIG0,
ret = regmap_update_bits(bd718xx->regmap,
BD718XX_REG_PWRONCONFIG0,
BD718XX_PWRBTN_PRESS_DURATION_MASK,
BD718XX_PWRBTN_SHORT_PRESS_10MS);
if (ret) {
......@@ -148,8 +129,8 @@ static int bd71837_i2c_probe(struct i2c_client *i2c,
}
/* Configure long press to 10 seconds */
ret = regmap_update_bits(bd71837->regmap,
BD71837_REG_PWRONCONFIG1,
ret = regmap_update_bits(bd718xx->regmap,
BD718XX_REG_PWRONCONFIG1,
BD718XX_PWRBTN_PRESS_DURATION_MASK,
BD718XX_PWRBTN_LONG_PRESS_10S);
......@@ -159,7 +140,7 @@ static int bd71837_i2c_probe(struct i2c_client *i2c,
return ret;
}
ret = regmap_irq_get_virq(bd71837->irq_data, BD71837_INT_PWRBTN_S);
ret = regmap_irq_get_virq(bd718xx->irq_data, BD718XX_INT_PWRBTN_S);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to get the IRQ\n");
......@@ -168,44 +149,51 @@ static int bd71837_i2c_probe(struct i2c_client *i2c,
button.irq = ret;
ret = devm_mfd_add_devices(bd71837->dev, PLATFORM_DEVID_AUTO,
bd71837_mfd_cells,
ARRAY_SIZE(bd71837_mfd_cells), NULL, 0,
regmap_irq_get_domain(bd71837->irq_data));
ret = devm_mfd_add_devices(bd718xx->dev, PLATFORM_DEVID_AUTO,
bd718xx_mfd_cells,
ARRAY_SIZE(bd718xx_mfd_cells), NULL, 0,
regmap_irq_get_domain(bd718xx->irq_data));
if (ret)
dev_err(&i2c->dev, "Failed to create subdevices\n");
return ret;
}
static const struct of_device_id bd71837_of_match[] = {
{ .compatible = "rohm,bd71837", },
static const struct of_device_id bd718xx_of_match[] = {
{
.compatible = "rohm,bd71837",
.data = (void *)BD718XX_TYPE_BD71837,
},
{
.compatible = "rohm,bd71847",
.data = (void *)BD718XX_TYPE_BD71847,
},
{ }
};
MODULE_DEVICE_TABLE(of, bd71837_of_match);
MODULE_DEVICE_TABLE(of, bd718xx_of_match);
static struct i2c_driver bd71837_i2c_driver = {
static struct i2c_driver bd718xx_i2c_driver = {
.driver = {
.name = "rohm-bd718x7",
.of_match_table = bd71837_of_match,
.of_match_table = bd718xx_of_match,
},
.probe = bd71837_i2c_probe,
.probe = bd718xx_i2c_probe,
};
static int __init bd71837_i2c_init(void)
static int __init bd718xx_i2c_init(void)
{
return i2c_add_driver(&bd71837_i2c_driver);
return i2c_add_driver(&bd718xx_i2c_driver);
}
/* Initialise early so consumer devices can complete system boot */
subsys_initcall(bd71837_i2c_init);
subsys_initcall(bd718xx_i2c_init);
static void __exit bd71837_i2c_exit(void)
static void __exit bd718xx_i2c_exit(void)
{
i2c_del_driver(&bd71837_i2c_driver);
i2c_del_driver(&bd718xx_i2c_driver);
}
module_exit(bd71837_i2c_exit);
module_exit(bd718xx_i2c_exit);
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
MODULE_DESCRIPTION("ROHM BD71837 Power Management IC driver");
MODULE_DESCRIPTION("ROHM BD71837/BD71847 Power Management IC driver");
MODULE_LICENSE("GPL");
drivers/regulator/Kconfig
View file @ 54515214
......@@ -189,7 +189,7 @@ config REGULATOR_BD718XX
and LDO regulators.
This driver can also be built as a module. If so, the module
will be called bd71837-regulator.
will be called bd718x7-regulator.
config REGULATOR_BD9571MWV
tristate "ROHM BD9571MWV Regulators"
......
drivers/regulator/Makefile
View file @ 54515214
......@@ -27,7 +27,7 @@ obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o
obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o
obj-$(CONFIG_REGULATOR_BCM590XX) += bcm590xx-regulator.o
obj-$(CONFIG_REGULATOR_BD718XX) += bd71837-regulator.o
obj-$(CONFIG_REGULATOR_BD718XX) += bd718x7-regulator.o
obj-$(CONFIG_REGULATOR_BD9571MWV) += bd9571mwv-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
......
drivers/regulator/bd71837-regulator.c deleted 100644 → 0
View file @ 5a7d7d0f
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 ROHM Semiconductors
// bd71837-regulator.c ROHM BD71837MWV regulator driver
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/rohm-bd718x7.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
#include <linux/slab.h>
struct bd71837_pmic {
struct regulator_desc descs[BD71837_REGULATOR_CNT];
struct bd71837 *mfd;
struct platform_device *pdev;
struct regulator_dev *rdev[BD71837_REGULATOR_CNT];
};
/*
* BUCK1/2/3/4
* BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting
* 00: 10.00mV/usec 10mV 1uS
* 01: 5.00mV/usec 10mV 2uS
* 10: 2.50mV/usec 10mV 4uS
* 11: 1.25mV/usec 10mV 8uS
*/
static int bd71837_buck1234_set_ramp_delay(struct regulator_dev *rdev,
int ramp_delay)
{
struct bd71837_pmic *pmic = rdev_get_drvdata(rdev);
struct bd71837 *mfd = pmic->mfd;
int id = rdev->desc->id;
unsigned int ramp_value = BUCK_RAMPRATE_10P00MV;
dev_dbg(&pmic->pdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1,
ramp_delay);
switch (ramp_delay) {
case 1 ... 1250:
ramp_value = BUCK_RAMPRATE_1P25MV;
break;
case 1251 ... 2500:
ramp_value = BUCK_RAMPRATE_2P50MV;
break;
case 2501 ... 5000:
ramp_value = BUCK_RAMPRATE_5P00MV;
break;
case 5001 ... 10000:
ramp_value = BUCK_RAMPRATE_10P00MV;
break;
default:
ramp_value = BUCK_RAMPRATE_10P00MV;
dev_err(&pmic->pdev->dev,
"%s: ramp_delay: %d not supported, setting 10000mV//us\n",
rdev->desc->name, ramp_delay);
}
return regmap_update_bits(mfd->regmap, BD71837_REG_BUCK1_CTRL + id,
BUCK_RAMPRATE_MASK, ramp_value << 6);
}
/* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed.
* Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage
* is changed. Hence we return -EBUSY for these if voltage is changed
* when BUCK/LDO is enabled.
*/
static int bd71837_set_voltage_sel_restricted(struct regulator_dev *rdev,
unsigned int sel)
{
if (regulator_is_enabled_regmap(rdev))
return -EBUSY;
return regulator_set_voltage_sel_regmap(rdev, sel);
}
static struct regulator_ops bd71837_ldo_regulator_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.set_voltage_sel = bd71837_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
};
static struct regulator_ops bd71837_ldo_regulator_nolinear_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_table,
.set_voltage_sel = bd71837_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
};
static struct regulator_ops bd71837_buck_regulator_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.set_voltage_sel = bd71837_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
static struct regulator_ops bd71837_buck_regulator_nolinear_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_table,
.set_voltage_sel = bd71837_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
static struct regulator_ops bd71837_buck1234_regulator_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.set_ramp_delay = bd71837_buck1234_set_ramp_delay,
};
/*
* BUCK1/2/3/4
* 0.70 to 1.30V (10mV step)
*/
static const struct regulator_linear_range bd71837_buck1234_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000),
REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0),
};
/*
* BUCK5
* 0.9V to 1.35V ()
*/
static const struct regulator_linear_range bd71837_buck5_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
};
/*
* BUCK6
* 3.0V to 3.3V (step 100mV)
*/
static const struct regulator_linear_range bd71837_buck6_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
};
/*
* BUCK7
* 000 = 1.605V
* 001 = 1.695V
* 010 = 1.755V
* 011 = 1.8V (Initial)
* 100 = 1.845V
* 101 = 1.905V
* 110 = 1.95V
* 111 = 1.995V
*/
static const unsigned int buck_7_volts[] = {
1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000
};
/*
* BUCK8
* 0.8V to 1.40V (step 10mV)
*/
static const struct regulator_linear_range bd71837_buck8_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000),
REGULATOR_LINEAR_RANGE(1400000, 0x3D, 0x3F, 0),
};
/*
* LDO1
* 3.0 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd71837_ldo1_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
};
/*
* LDO2
* 0.8 or 0.9V
*/
static const unsigned int ldo_2_volts[] = {
900000, 800000
};
/*
* LDO3
* 1.8 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd71837_ldo3_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
/*
* LDO4
* 0.9 to 1.8V (100mV step)
*/
static const struct regulator_linear_range bd71837_ldo4_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
REGULATOR_LINEAR_RANGE(1800000, 0x0A, 0x0F, 0),
};
/*
* LDO5
* 1.8 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd71837_ldo5_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
/*
* LDO6
* 0.9 to 1.8V (100mV step)
*/
static const struct regulator_linear_range bd71837_ldo6_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
REGULATOR_LINEAR_RANGE(1800000, 0x0A, 0x0F, 0),
};
/*
* LDO7
* 1.8 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd71837_ldo7_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
static const struct regulator_desc bd71837_regulators[] = {
{
.name = "buck1",
.of_match = of_match_ptr("BUCK1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_BUCK1,
.ops = &bd71837_buck1234_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK1_VOLTAGE_NUM,
.linear_ranges = bd71837_buck1234_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges),
.vsel_reg = BD71837_REG_BUCK1_VOLT_RUN,
.vsel_mask = BUCK1_RUN_MASK,
.enable_reg = BD71837_REG_BUCK1_CTRL,
.enable_mask = BD71837_BUCK_EN,
.owner = THIS_MODULE,
},
{
.name = "buck2",
.of_match = of_match_ptr("BUCK2"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_BUCK2,
.ops = &bd71837_buck1234_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK2_VOLTAGE_NUM,
.linear_ranges = bd71837_buck1234_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges),
.vsel_reg = BD71837_REG_BUCK2_VOLT_RUN,
.vsel_mask = BUCK2_RUN_MASK,
.enable_reg = BD71837_REG_BUCK2_CTRL,
.enable_mask = BD71837_BUCK_EN,
.owner = THIS_MODULE,
},
{
.name = "buck3",
.of_match = of_match_ptr("BUCK3"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_BUCK3,
.ops = &bd71837_buck1234_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK3_VOLTAGE_NUM,
.linear_ranges = bd71837_buck1234_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges),
.vsel_reg = BD71837_REG_BUCK3_VOLT_RUN,
.vsel_mask = BUCK3_RUN_MASK,
.enable_reg = BD71837_REG_BUCK3_CTRL,
.enable_mask = BD71837_BUCK_EN,
.owner = THIS_MODULE,
},
{
.name = "buck4",
.of_match = of_match_ptr("BUCK4"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_BUCK4,
.ops = &bd71837_buck1234_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK4_VOLTAGE_NUM,
.linear_ranges = bd71837_buck1234_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges),
.vsel_reg = BD71837_REG_BUCK4_VOLT_RUN,
.vsel_mask = BUCK4_RUN_MASK,
.enable_reg = BD71837_REG_BUCK4_CTRL,
.enable_mask = BD71837_BUCK_EN,
.owner = THIS_MODULE,
},
{
.name = "buck5",
.of_match = of_match_ptr("BUCK5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_BUCK5,
.ops = &bd71837_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK5_VOLTAGE_NUM,
.linear_ranges = bd71837_buck5_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_buck5_voltage_ranges),
.vsel_reg = BD71837_REG_BUCK5_VOLT,
.vsel_mask = BUCK5_MASK,
.enable_reg = BD71837_REG_BUCK5_CTRL,
.enable_mask = BD71837_BUCK_EN,
.owner = THIS_MODULE,
},
{
.name = "buck6",
.of_match = of_match_ptr("BUCK6"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_BUCK6,
.ops = &bd71837_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK6_VOLTAGE_NUM,
.linear_ranges = bd71837_buck6_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_buck6_voltage_ranges),
.vsel_reg = BD71837_REG_BUCK6_VOLT,
.vsel_mask = BUCK6_MASK,
.enable_reg = BD71837_REG_BUCK6_CTRL,
.enable_mask = BD71837_BUCK_EN,
.owner = THIS_MODULE,
},
{
.name = "buck7",
.of_match = of_match_ptr("BUCK7"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_BUCK7,
.ops = &bd71837_buck_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.volt_table = &buck_7_volts[0],
.n_voltages = ARRAY_SIZE(buck_7_volts),
.vsel_reg = BD71837_REG_BUCK7_VOLT,
.vsel_mask = BUCK7_MASK,
.enable_reg = BD71837_REG_BUCK7_CTRL,
.enable_mask = BD71837_BUCK_EN,
.owner = THIS_MODULE,
},
{
.name = "buck8",
.of_match = of_match_ptr("BUCK8"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_BUCK8,
.ops = &bd71837_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK8_VOLTAGE_NUM,
.linear_ranges = bd71837_buck8_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_buck8_voltage_ranges),
.vsel_reg = BD71837_REG_BUCK8_VOLT,
.vsel_mask = BUCK8_MASK,
.enable_reg = BD71837_REG_BUCK8_CTRL,
.enable_mask = BD71837_BUCK_EN,
.owner = THIS_MODULE,
},
{
.name = "ldo1",
.of_match = of_match_ptr("LDO1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_LDO1,
.ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO1_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo1_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo1_voltage_ranges),
.vsel_reg = BD71837_REG_LDO1_VOLT,
.vsel_mask = LDO1_MASK,
.enable_reg = BD71837_REG_LDO1_VOLT,
.enable_mask = BD71837_LDO_EN,
.owner = THIS_MODULE,
},
{
.name = "ldo2",
.of_match = of_match_ptr("LDO2"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_LDO2,
.ops = &bd71837_ldo_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.volt_table = &ldo_2_volts[0],
.n_voltages = ARRAY_SIZE(ldo_2_volts),
.vsel_reg = BD71837_REG_LDO2_VOLT,
.vsel_mask = LDO2_MASK,
.enable_reg = BD71837_REG_LDO2_VOLT,
.enable_mask = BD71837_LDO_EN,
.owner = THIS_MODULE,
},
{
.name = "ldo3",
.of_match = of_match_ptr("LDO3"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_LDO3,
.ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO3_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo3_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo3_voltage_ranges),
.vsel_reg = BD71837_REG_LDO3_VOLT,
.vsel_mask = LDO3_MASK,
.enable_reg = BD71837_REG_LDO3_VOLT,
.enable_mask = BD71837_LDO_EN,
.owner = THIS_MODULE,
},
{
.name = "ldo4",
.of_match = of_match_ptr("LDO4"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_LDO4,
.ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO4_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo4_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo4_voltage_ranges),
.vsel_reg = BD71837_REG_LDO4_VOLT,
.vsel_mask = LDO4_MASK,
.enable_reg = BD71837_REG_LDO4_VOLT,
.enable_mask = BD71837_LDO_EN,
.owner = THIS_MODULE,
},
{
.name = "ldo5",
.of_match = of_match_ptr("LDO5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_LDO5,
.ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO5_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo5_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_voltage_ranges),
/* LDO5 is supplied by buck6 */
.supply_name = "buck6",
.vsel_reg = BD71837_REG_LDO5_VOLT,
.vsel_mask = LDO5_MASK,
.enable_reg = BD71837_REG_LDO5_VOLT,
.enable_mask = BD71837_LDO_EN,
.owner = THIS_MODULE,
},
{
.name = "ldo6",
.of_match = of_match_ptr("LDO6"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_LDO6,
.ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO6_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo6_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo6_voltage_ranges),
/* LDO6 is supplied by buck7 */
.supply_name = "buck7",
.vsel_reg = BD71837_REG_LDO6_VOLT,
.vsel_mask = LDO6_MASK,
.enable_reg = BD71837_REG_LDO6_VOLT,
.enable_mask = BD71837_LDO_EN,
.owner = THIS_MODULE,
},
{
.name = "ldo7",
.of_match = of_match_ptr("LDO7"),
.regulators_node = of_match_ptr("regulators"),
.id = BD71837_LDO7,
.ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO7_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo7_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_voltage_ranges),
.vsel_reg = BD71837_REG_LDO7_VOLT,
.vsel_mask = LDO7_MASK,
.enable_reg = BD71837_REG_LDO7_VOLT,
.enable_mask = BD71837_LDO_EN,
.owner = THIS_MODULE,
},
};
struct reg_init {
unsigned int reg;
unsigned int mask;
};
static int bd71837_probe(struct platform_device *pdev)
{
struct bd71837_pmic *pmic;
struct regulator_config config = { 0 };
struct reg_init pmic_regulator_inits[] = {
{
.reg = BD71837_REG_BUCK1_CTRL,
.mask = BD71837_BUCK_SEL,
}, {
.reg = BD71837_REG_BUCK2_CTRL,
.mask = BD71837_BUCK_SEL,
}, {
.reg = BD71837_REG_BUCK3_CTRL,
.mask = BD71837_BUCK_SEL,
}, {
.reg = BD71837_REG_BUCK4_CTRL,
.mask = BD71837_BUCK_SEL,
}, {
.reg = BD71837_REG_BUCK5_CTRL,
.mask = BD71837_BUCK_SEL,
}, {
.reg = BD71837_REG_BUCK6_CTRL,
.mask = BD71837_BUCK_SEL,
}, {
.reg = BD71837_REG_BUCK7_CTRL,
.mask = BD71837_BUCK_SEL,
}, {
.reg = BD71837_REG_BUCK8_CTRL,
.mask = BD71837_BUCK_SEL,
}, {
.reg = BD71837_REG_LDO1_VOLT,
.mask = BD71837_LDO_SEL,
}, {
.reg = BD71837_REG_LDO2_VOLT,
.mask = BD71837_LDO_SEL,
}, {
.reg = BD71837_REG_LDO3_VOLT,
.mask = BD71837_LDO_SEL,
}, {
.reg = BD71837_REG_LDO4_VOLT,
.mask = BD71837_LDO_SEL,
}, {
.reg = BD71837_REG_LDO5_VOLT,
.mask = BD71837_LDO_SEL,
}, {
.reg = BD71837_REG_LDO6_VOLT,
.mask = BD71837_LDO_SEL,
}, {
.reg = BD71837_REG_LDO7_VOLT,
.mask = BD71837_LDO_SEL,
}
};
int i, err;
pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
memcpy(pmic->descs, bd71837_regulators, sizeof(pmic->descs));
pmic->pdev = pdev;
pmic->mfd = dev_get_drvdata(pdev->dev.parent);
if (!pmic->mfd) {
dev_err(&pdev->dev, "No MFD driver data\n");
err = -EINVAL;
goto err;
}
platform_set_drvdata(pdev, pmic);
/* Register LOCK release */
err = regmap_update_bits(pmic->mfd->regmap, BD71837_REG_REGLOCK,
(REGLOCK_PWRSEQ | REGLOCK_VREG), 0);
if (err) {
dev_err(&pmic->pdev->dev, "Failed to unlock PMIC (%d)\n", err);
goto err;
} else {
dev_dbg(&pmic->pdev->dev, "Unlocked lock register 0x%x\n",
BD71837_REG_REGLOCK);
}
for (i = 0; i < ARRAY_SIZE(pmic_regulator_inits); i++) {
struct regulator_desc *desc;
struct regulator_dev *rdev;
desc = &pmic->descs[i];
config.dev = pdev->dev.parent;
config.driver_data = pmic;
config.regmap = pmic->mfd->regmap;
rdev = devm_regulator_register(&pdev->dev, desc, &config);
if (IS_ERR(rdev)) {
dev_err(pmic->mfd->dev,
"failed to register %s regulator\n",
desc->name);
err = PTR_ERR(rdev);
goto err;
}
/* Regulator register gets the regulator constraints and
* applies them (set_machine_constraints). This should have
* turned the control register(s) to correct values and we
* can now switch the control from PMIC state machine to the
* register interface
*/
err = regmap_update_bits(pmic->mfd->regmap,
pmic_regulator_inits[i].reg,
pmic_regulator_inits[i].mask,
0xFFFFFFFF);
if (err) {
dev_err(&pmic->pdev->dev,
"Failed to write BUCK/LDO SEL bit for (%s)\n",
desc->name);
goto err;
}
pmic->rdev[i] = rdev;
}
err:
return err;
}
static struct platform_driver bd71837_regulator = {
.driver = {
.name = "bd71837-pmic",
},
.probe = bd71837_probe,
};
module_platform_driver(bd71837_regulator);
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
MODULE_DESCRIPTION("BD71837 voltage regulator driver");
MODULE_LICENSE("GPL");
drivers/regulator/bd718x7-regulator.c 0 → 100644
View file @ 54515214
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 ROHM Semiconductors
// bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/rohm-bd718x7.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
#include <linux/slab.h>
struct bd718xx_pmic {
struct bd718xx_regulator_data *rdata;
struct bd718xx *mfd;
struct platform_device *pdev;
struct regulator_dev *rdev[BD718XX_REGULATOR_AMOUNT];
};
/*
* BUCK1/2/3/4
* BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting
* 00: 10.00mV/usec 10mV 1uS
* 01: 5.00mV/usec 10mV 2uS
* 10: 2.50mV/usec 10mV 4uS
* 11: 1.25mV/usec 10mV 8uS
*/
static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev,
int ramp_delay)
{
struct bd718xx_pmic *pmic = rdev_get_drvdata(rdev);
struct bd718xx *mfd = pmic->mfd;
int id = rdev->desc->id;
unsigned int ramp_value = BUCK_RAMPRATE_10P00MV;
dev_dbg(&pmic->pdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1,
ramp_delay);
switch (ramp_delay) {
case 1 ... 1250:
ramp_value = BUCK_RAMPRATE_1P25MV;
break;
case 1251 ... 2500:
ramp_value = BUCK_RAMPRATE_2P50MV;
break;
case 2501 ... 5000:
ramp_value = BUCK_RAMPRATE_5P00MV;
break;
case 5001 ... 10000:
ramp_value = BUCK_RAMPRATE_10P00MV;
break;
default:
ramp_value = BUCK_RAMPRATE_10P00MV;
dev_err(&pmic->pdev->dev,
"%s: ramp_delay: %d not supported, setting 10000mV//us\n",
rdev->desc->name, ramp_delay);
}
return regmap_update_bits(mfd->regmap, BD718XX_REG_BUCK1_CTRL + id,
BUCK_RAMPRATE_MASK, ramp_value << 6);
}
/* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed.
* Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage
* is changed. Hence we return -EBUSY for these if voltage is changed
* when BUCK/LDO is enabled.
*/
static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
unsigned int sel)
{
if (regulator_is_enabled_regmap(rdev))
return -EBUSY;
return regulator_set_voltage_sel_regmap(rdev, sel);
}
static int bd718xx_set_voltage_sel_pickable_restricted(
struct regulator_dev *rdev, unsigned int sel)
{
if (regulator_is_enabled_regmap(rdev))
return -EBUSY;
return regulator_set_voltage_sel_pickable_regmap(rdev, sel);
}
static struct regulator_ops bd718xx_pickable_range_ldo_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_pickable_linear_range,
.set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
.get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
};
static struct regulator_ops bd718xx_pickable_range_buck_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_pickable_linear_range,
.set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
.get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
static struct regulator_ops bd718xx_ldo_regulator_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
};
static struct regulator_ops bd718xx_ldo_regulator_nolinear_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_table,
.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
};
static struct regulator_ops bd718xx_buck_regulator_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
static struct regulator_ops bd718xx_buck_regulator_nolinear_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_table,
.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
static struct regulator_ops bd718xx_dvs_buck_regulator_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.set_ramp_delay = bd718xx_buck1234_set_ramp_delay,
};
/*
* BD71837 BUCK1/2/3/4
* BD71847 BUCK1/2
* 0.70 to 1.30V (10mV step)
*/
static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = {
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000),
REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0),
};
/*
* BD71837 BUCK5
* 0.7V to 1.35V (range 0)
* and
* 0.675 to 1.325 (range 1)
*/
static const struct regulator_linear_range bd71837_buck5_volts[] = {
/* Ranges when VOLT_SEL bit is 0 */
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
/* Ranges when VOLT_SEL bit is 1 */
REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
};
/*
* Range selector for first 3 linear ranges is 0x0
* and 0x1 for last 3 ranges.
*/
static const unsigned int bd71837_buck5_volt_range_sel[] = {
0x0, 0x0, 0x0, 0x80, 0x80, 0x80
};
/*
* BD71847 BUCK3
*/
static const struct regulator_linear_range bd71847_buck3_volts[] = {
/* Ranges when VOLT_SEL bits are 00 */
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
/* Ranges when VOLT_SEL bits are 01 */
REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000),
/* Ranges when VOLT_SEL bits are 11 */
REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
};
static const unsigned int bd71847_buck3_volt_range_sel[] = {
0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80
};
static const struct regulator_linear_range bd71847_buck4_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000),
};
static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 };
/*
* BUCK6
* 3.0V to 3.3V (step 100mV)
*/
static const struct regulator_linear_range bd71837_buck6_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
};
/*
* BD71837 BUCK7
* BD71847 BUCK5
* 000 = 1.605V
* 001 = 1.695V
* 010 = 1.755V
* 011 = 1.8V (Initial)
* 100 = 1.845V
* 101 = 1.905V
* 110 = 1.95V
* 111 = 1.995V
*/
static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = {
1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000
};
/*
* BUCK8
* 0.8V to 1.40V (step 10mV)
*/
static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = {
REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000),
};
/*
* LDO1
* 3.0 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd718xx_ldo1_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000),
};
static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x20 };
/*
* LDO2
* 0.8 or 0.9V
*/
static const unsigned int ldo_2_volts[] = {
900000, 800000
};
/*
* LDO3
* 1.8 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd718xx_ldo3_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
/*
* LDO4
* 0.9 to 1.8V (100mV step)
*/
static const struct regulator_linear_range bd718xx_ldo4_volts[] = {
REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
};
/*
* LDO5 for BD71837
* 1.8 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd71837_ldo5_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
/*
* LDO5 for BD71837
* 1.8 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd71847_ldo5_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000),
};
static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 };
/*
* LDO6
* 0.9 to 1.8V (100mV step)
*/
static const struct regulator_linear_range bd718xx_ldo6_volts[] = {
REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
};
/*
* LDO7
* 1.8 to 3.3V (100mV step)
*/
static const struct regulator_linear_range bd71837_ldo7_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
struct reg_init {
unsigned int reg;
unsigned int mask;
unsigned int val;
};
struct bd718xx_regulator_data {
struct regulator_desc desc;
const struct reg_init init;
const struct reg_init *additional_inits;
int additional_init_amnt;
};
/*
* There is a HW quirk in BD71837. The shutdown sequence timings for
* bucks/LDOs which are controlled via register interface are changed.
* At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the
* beginning of shut-down sequence. As bucks 6 and 7 are parent
* supplies for LDO5 and LDO6 - this causes LDO5/6 voltage
* monitoring to errorneously detect under voltage and force PMIC to
* emergency state instead of poweroff. In order to avoid this we
* disable voltage monitoring for LDO5 and LDO6
*/
static const struct reg_init bd71837_ldo5_inits[] = {
{
.reg = BD718XX_REG_MVRFLTMASK2,
.mask = BD718XX_LDO5_VRMON80,
.val = BD718XX_LDO5_VRMON80,
},
};
static const struct reg_init bd71837_ldo6_inits[] = {
{
.reg = BD718XX_REG_MVRFLTMASK2,
.mask = BD718XX_LDO6_VRMON80,
.val = BD718XX_LDO6_VRMON80,
},
};
static const struct bd718xx_regulator_data bd71847_regulators[] = {
{
.desc = {
.name = "buck1",
.of_match = of_match_ptr("BUCK1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK1,
.ops = &bd718xx_dvs_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_dvs_buck_volts,
.n_linear_ranges =
ARRAY_SIZE(bd718xx_dvs_buck_volts),
.vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN,
.vsel_mask = DVS_BUCK_RUN_MASK,
.enable_reg = BD718XX_REG_BUCK1_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_BUCK1_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck2",
.of_match = of_match_ptr("BUCK2"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK2,
.ops = &bd718xx_dvs_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_dvs_buck_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
.vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN,
.vsel_mask = DVS_BUCK_RUN_MASK,
.enable_reg = BD718XX_REG_BUCK2_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_BUCK2_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck3",
.of_match = of_match_ptr("BUCK3"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK3,
.ops = &bd718xx_pickable_range_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71847_BUCK3_VOLTAGE_NUM,
.linear_ranges = bd71847_buck3_volts,
.n_linear_ranges =
ARRAY_SIZE(bd71847_buck3_volts),
.vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
.vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK,
.vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
.vsel_range_mask = BD71847_BUCK3_RANGE_MASK,
.linear_range_selectors = bd71847_buck3_volt_range_sel,
.enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck4",
.of_match = of_match_ptr("BUCK4"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK4,
.ops = &bd718xx_pickable_range_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71847_BUCK4_VOLTAGE_NUM,
.linear_ranges = bd71847_buck4_volts,
.n_linear_ranges =
ARRAY_SIZE(bd71847_buck4_volts),
.enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
.vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
.vsel_mask = BD71847_BUCK4_MASK,
.vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
.vsel_range_mask = BD71847_BUCK4_RANGE_MASK,
.linear_range_selectors = bd71847_buck4_volt_range_sel,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck5",
.of_match = of_match_ptr("BUCK5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK5,
.ops = &bd718xx_buck_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
.n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
.vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT,
.vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
.enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck6",
.of_match = of_match_ptr("BUCK6"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK6,
.ops = &bd718xx_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_4th_nodvs_buck_volts,
.n_linear_ranges =
ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
.vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT,
.vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
.enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "ldo1",
.of_match = of_match_ptr("LDO1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO1,
.ops = &bd718xx_pickable_range_ldo_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo1_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
.vsel_reg = BD718XX_REG_LDO1_VOLT,
.vsel_mask = BD718XX_LDO1_MASK,
.vsel_range_reg = BD718XX_REG_LDO1_VOLT,
.vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
.linear_range_selectors = bd718xx_ldo1_volt_range_sel,
.enable_reg = BD718XX_REG_LDO1_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO1_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo2",
.of_match = of_match_ptr("LDO2"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO2,
.ops = &bd718xx_ldo_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.volt_table = &ldo_2_volts[0],
.vsel_reg = BD718XX_REG_LDO2_VOLT,
.vsel_mask = BD718XX_LDO2_MASK,
.n_voltages = ARRAY_SIZE(ldo_2_volts),
.enable_reg = BD718XX_REG_LDO2_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO2_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo3",
.of_match = of_match_ptr("LDO3"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO3,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo3_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts),
.vsel_reg = BD718XX_REG_LDO3_VOLT,
.vsel_mask = BD718XX_LDO3_MASK,
.enable_reg = BD718XX_REG_LDO3_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO3_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo4",
.of_match = of_match_ptr("LDO4"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO4,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo4_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts),
.vsel_reg = BD718XX_REG_LDO4_VOLT,
.vsel_mask = BD718XX_LDO4_MASK,
.enable_reg = BD718XX_REG_LDO4_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO4_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo5",
.of_match = of_match_ptr("LDO5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO5,
.ops = &bd718xx_pickable_range_ldo_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71847_LDO5_VOLTAGE_NUM,
.linear_ranges = bd71847_ldo5_volts,
.n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts),
.vsel_reg = BD718XX_REG_LDO5_VOLT,
.vsel_mask = BD71847_LDO5_MASK,
.vsel_range_reg = BD718XX_REG_LDO5_VOLT,
.vsel_range_mask = BD71847_LDO5_RANGE_MASK,
.linear_range_selectors = bd71847_ldo5_volt_range_sel,
.enable_reg = BD718XX_REG_LDO5_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO5_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo6",
.of_match = of_match_ptr("LDO6"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO6,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo6_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts),
/* LDO6 is supplied by buck5 */
.supply_name = "buck5",
.vsel_reg = BD718XX_REG_LDO6_VOLT,
.vsel_mask = BD718XX_LDO6_MASK,
.enable_reg = BD718XX_REG_LDO6_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO6_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
};
static const struct bd718xx_regulator_data bd71837_regulators[] = {
{
.desc = {
.name = "buck1",
.of_match = of_match_ptr("BUCK1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK1,
.ops = &bd718xx_dvs_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_dvs_buck_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
.vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN,
.vsel_mask = DVS_BUCK_RUN_MASK,
.enable_reg = BD718XX_REG_BUCK1_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_BUCK1_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck2",
.of_match = of_match_ptr("BUCK2"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK2,
.ops = &bd718xx_dvs_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_dvs_buck_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
.vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN,
.vsel_mask = DVS_BUCK_RUN_MASK,
.enable_reg = BD718XX_REG_BUCK2_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_BUCK2_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck3",
.of_match = of_match_ptr("BUCK3"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK3,
.ops = &bd718xx_dvs_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_dvs_buck_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
.vsel_reg = BD71837_REG_BUCK3_VOLT_RUN,
.vsel_mask = DVS_BUCK_RUN_MASK,
.enable_reg = BD71837_REG_BUCK3_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD71837_REG_BUCK3_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck4",
.of_match = of_match_ptr("BUCK4"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK4,
.ops = &bd718xx_dvs_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_dvs_buck_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
.vsel_reg = BD71837_REG_BUCK4_VOLT_RUN,
.vsel_mask = DVS_BUCK_RUN_MASK,
.enable_reg = BD71837_REG_BUCK4_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD71837_REG_BUCK4_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck5",
.of_match = of_match_ptr("BUCK5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK5,
.ops = &bd718xx_pickable_range_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK5_VOLTAGE_NUM,
.linear_ranges = bd71837_buck5_volts,
.n_linear_ranges =
ARRAY_SIZE(bd71837_buck5_volts),
.vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
.vsel_mask = BD71837_BUCK5_MASK,
.vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
.vsel_range_mask = BD71837_BUCK5_RANGE_MASK,
.linear_range_selectors = bd71837_buck5_volt_range_sel,
.enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck6",
.of_match = of_match_ptr("BUCK6"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK6,
.ops = &bd718xx_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK6_VOLTAGE_NUM,
.linear_ranges = bd71837_buck6_volts,
.n_linear_ranges =
ARRAY_SIZE(bd71837_buck6_volts),
.vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
.vsel_mask = BD71837_BUCK6_MASK,
.enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck7",
.of_match = of_match_ptr("BUCK7"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK7,
.ops = &bd718xx_buck_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
.n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
.vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT,
.vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
.enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "buck8",
.of_match = of_match_ptr("BUCK8"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK8,
.ops = &bd718xx_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_4th_nodvs_buck_volts,
.n_linear_ranges =
ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
.vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT,
.vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
.enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
.mask = BD718XX_BUCK_SEL,
.val = BD718XX_BUCK_SEL,
},
},
{
.desc = {
.name = "ldo1",
.of_match = of_match_ptr("LDO1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO1,
.ops = &bd718xx_pickable_range_ldo_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo1_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
.vsel_reg = BD718XX_REG_LDO1_VOLT,
.vsel_mask = BD718XX_LDO1_MASK,
.vsel_range_reg = BD718XX_REG_LDO1_VOLT,
.vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
.linear_range_selectors = bd718xx_ldo1_volt_range_sel,
.enable_reg = BD718XX_REG_LDO1_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO1_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo2",
.of_match = of_match_ptr("LDO2"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO2,
.ops = &bd718xx_ldo_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.volt_table = &ldo_2_volts[0],
.vsel_reg = BD718XX_REG_LDO2_VOLT,
.vsel_mask = BD718XX_LDO2_MASK,
.n_voltages = ARRAY_SIZE(ldo_2_volts),
.enable_reg = BD718XX_REG_LDO2_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO2_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo3",
.of_match = of_match_ptr("LDO3"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO3,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo3_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts),
.vsel_reg = BD718XX_REG_LDO3_VOLT,
.vsel_mask = BD718XX_LDO3_MASK,
.enable_reg = BD718XX_REG_LDO3_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO3_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo4",
.of_match = of_match_ptr("LDO4"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO4,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo4_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts),
.vsel_reg = BD718XX_REG_LDO4_VOLT,
.vsel_mask = BD718XX_LDO4_MASK,
.enable_reg = BD718XX_REG_LDO4_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO4_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
{
.desc = {
.name = "ldo5",
.of_match = of_match_ptr("LDO5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO5,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO5_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo5_volts,
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts),
/* LDO5 is supplied by buck6 */
.supply_name = "buck6",
.vsel_reg = BD718XX_REG_LDO5_VOLT,
.vsel_mask = BD71837_LDO5_MASK,
.enable_reg = BD718XX_REG_LDO5_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO5_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
.additional_inits = bd71837_ldo5_inits,
.additional_init_amnt = ARRAY_SIZE(bd71837_ldo5_inits),
},
{
.desc = {
.name = "ldo6",
.of_match = of_match_ptr("LDO6"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO6,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo6_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts),
/* LDO6 is supplied by buck7 */
.supply_name = "buck7",
.vsel_reg = BD718XX_REG_LDO6_VOLT,
.vsel_mask = BD718XX_LDO6_MASK,
.enable_reg = BD718XX_REG_LDO6_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD718XX_REG_LDO6_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
.additional_inits = bd71837_ldo6_inits,
.additional_init_amnt = ARRAY_SIZE(bd71837_ldo6_inits),
},
{
.desc = {
.name = "ldo7",
.of_match = of_match_ptr("LDO7"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO7,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO7_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo7_volts,
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_volts),
.vsel_reg = BD71837_REG_LDO7_VOLT,
.vsel_mask = BD71837_LDO7_MASK,
.enable_reg = BD71837_REG_LDO7_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
},
.init = {
.reg = BD71837_REG_LDO7_VOLT,
.mask = BD718XX_LDO_SEL,
.val = BD718XX_LDO_SEL,
},
},
};
struct bd718xx_pmic_inits {
const struct bd718xx_regulator_data (*r_datas)[];
unsigned int r_amount;
};
static int bd718xx_probe(struct platform_device *pdev)
{
struct bd718xx_pmic *pmic;
struct regulator_config config = { 0 };
struct bd718xx_pmic_inits pmic_regulators[] = {
[BD718XX_TYPE_BD71837] = {
.r_datas = &bd71837_regulators,
.r_amount = ARRAY_SIZE(bd71837_regulators),
},
[BD718XX_TYPE_BD71847] = {
.r_datas = &bd71847_regulators,
.r_amount = ARRAY_SIZE(bd71847_regulators),
},
};
int i, j, err;
pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
pmic->pdev = pdev;
pmic->mfd = dev_get_drvdata(pdev->dev.parent);
if (!pmic->mfd) {
dev_err(&pdev->dev, "No MFD driver data\n");
err = -EINVAL;
goto err;
}
if (pmic->mfd->chip_type >= BD718XX_TYPE_AMOUNT ||
!pmic_regulators[pmic->mfd->chip_type].r_datas) {
dev_err(&pdev->dev, "Unsupported chip type\n");
err = -EINVAL;
goto err;
}
platform_set_drvdata(pdev, pmic);
/* Register LOCK release */
err = regmap_update_bits(pmic->mfd->regmap, BD718XX_REG_REGLOCK,
(REGLOCK_PWRSEQ | REGLOCK_VREG), 0);
if (err) {
dev_err(&pmic->pdev->dev, "Failed to unlock PMIC (%d)\n", err);
goto err;
} else {
dev_dbg(&pmic->pdev->dev, "Unlocked lock register 0x%x\n",
BD718XX_REG_REGLOCK);
}
for (i = 0; i < pmic_regulators[pmic->mfd->chip_type].r_amount; i++) {
const struct regulator_desc *desc;
struct regulator_dev *rdev;
const struct bd718xx_regulator_data *r;
r = &(*pmic_regulators[pmic->mfd->chip_type].r_datas)[i];
desc = &r->desc;
config.dev = pdev->dev.parent;
config.driver_data = pmic;
config.regmap = pmic->mfd->regmap;
rdev = devm_regulator_register(&pdev->dev, desc, &config);
if (IS_ERR(rdev)) {
dev_err(pmic->mfd->dev,
"failed to register %s regulator\n",
desc->name);
err = PTR_ERR(rdev);
goto err;
}
/* Regulator register gets the regulator constraints and
* applies them (set_machine_constraints). This should have
* turned the control register(s) to correct values and we
* can now switch the control from PMIC state machine to the
* register interface
*/
err = regmap_update_bits(pmic->mfd->regmap, r->init.reg,
r->init.mask, r->init.val);
if (err) {
dev_err(&pmic->pdev->dev,
"Failed to write BUCK/LDO SEL bit for (%s)\n",
desc->name);
goto err;
}
for (j = 0; j < r->additional_init_amnt; j++) {
err = regmap_update_bits(pmic->mfd->regmap,
r->additional_inits[j].reg,
r->additional_inits[j].mask,
r->additional_inits[j].val);
if (err) {
dev_err(&pmic->pdev->dev,
"Buck (%s) initialization failed\n",
desc->name);
goto err;
}
}
pmic->rdev[i] = rdev;
}
err:
return err;
}
static struct platform_driver bd718xx_regulator = {
.driver = {
.name = "bd718xx-pmic",
},
.probe = bd718xx_probe,
};
module_platform_driver(bd718xx_regulator);
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver");
MODULE_LICENSE("GPL");
drivers/regulator/core.c
View file @ 54515214
......@@ -2788,6 +2788,11 @@ static int regulator_map_voltage(struct regulator_dev *rdev, int min_uV,
if (desc->ops->list_voltage == regulator_list_voltage_linear_range)
return regulator_map_voltage_linear_range(rdev, min_uV, max_uV);
if (desc->ops->list_voltage ==
regulator_list_voltage_pickable_linear_range)
return regulator_map_voltage_pickable_linear_range(rdev,
min_uV, max_uV);
return regulator_map_voltage_iterate(rdev, min_uV, max_uV);
}
......@@ -3166,7 +3171,7 @@ static inline int regulator_suspend_toggle(struct regulator_dev *rdev,
if (!rstate->changeable)
return -EPERM;
rstate->enabled = en;
rstate->enabled = (en) ? ENABLE_IN_SUSPEND : DISABLE_IN_SUSPEND;
return 0;
}
......@@ -4404,13 +4409,13 @@ regulator_register(const struct regulator_desc *regulator_desc,
!rdev->desc->fixed_uV)
rdev->is_switch = true;
dev_set_drvdata(&rdev->dev, rdev);
ret = device_register(&rdev->dev);
if (ret != 0) {
put_device(&rdev->dev);
goto unset_supplies;
}
dev_set_drvdata(&rdev->dev, rdev);
rdev_init_debugfs(rdev);
/* try to resolve regulators supply since a new one was registered */
......
drivers/regulator/helpers.c
View file @ 54515214
......@@ -103,6 +103,128 @@ int regulator_disable_regmap(struct regulator_dev *rdev)
}
EXPORT_SYMBOL_GPL(regulator_disable_regmap);
static int regulator_range_selector_to_index(struct regulator_dev *rdev,
unsigned int rval)
{
int i;
if (!rdev->desc->linear_range_selectors)
return -EINVAL;
rval &= rdev->desc->vsel_range_mask;
for (i = 0; i < rdev->desc->n_linear_ranges; i++) {
if (rdev->desc->linear_range_selectors[i] == rval)
return i;
}
return -EINVAL;
}
/**
* regulator_get_voltage_sel_pickable_regmap - pickable range get_voltage_sel
*
* @rdev: regulator to operate on
*
* Regulators that use regmap for their register I/O and use pickable
* ranges can set the vsel_reg, vsel_mask, vsel_range_reg and vsel_range_mask
* fields in their descriptor and then use this as their get_voltage_vsel
* operation, saving some code.
*/
int regulator_get_voltage_sel_pickable_regmap(struct regulator_dev *rdev)
{
unsigned int r_val;
int range;
unsigned int val;
int ret, i;
unsigned int voltages_in_range = 0;
if (!rdev->desc->linear_ranges)
return -EINVAL;
ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
if (ret != 0)
return ret;
ret = regmap_read(rdev->regmap, rdev->desc->vsel_range_reg, &r_val);
if (ret != 0)
return ret;
val &= rdev->desc->vsel_mask;
val >>= ffs(rdev->desc->vsel_mask) - 1;
range = regulator_range_selector_to_index(rdev, r_val);
if (range < 0)
return -EINVAL;
for (i = 0; i < range; i++)
voltages_in_range += (rdev->desc->linear_ranges[i].max_sel -
rdev->desc->linear_ranges[i].min_sel) + 1;
return val + voltages_in_range;
}
EXPORT_SYMBOL_GPL(regulator_get_voltage_sel_pickable_regmap);
/**
* regulator_set_voltage_sel_pickable_regmap - pickable range set_voltage_sel
*
* @rdev: regulator to operate on
* @sel: Selector to set
*
* Regulators that use regmap for their register I/O and use pickable
* ranges can set the vsel_reg, vsel_mask, vsel_range_reg and vsel_range_mask
* fields in their descriptor and then use this as their set_voltage_vsel
* operation, saving some code.
*/
int regulator_set_voltage_sel_pickable_regmap(struct regulator_dev *rdev,
unsigned int sel)
{
unsigned int range;
int ret, i;
unsigned int voltages_in_range = 0;
for (i = 0; i < rdev->desc->n_linear_ranges; i++) {
voltages_in_range = (rdev->desc->linear_ranges[i].max_sel -
rdev->desc->linear_ranges[i].min_sel) + 1;
if (sel < voltages_in_range)
break;
sel -= voltages_in_range;
}
if (i == rdev->desc->n_linear_ranges)
return -EINVAL;
sel <<= ffs(rdev->desc->vsel_mask) - 1;
sel += rdev->desc->linear_ranges[i].min_sel;
range = rdev->desc->linear_range_selectors[i];
if (rdev->desc->vsel_reg == rdev->desc->vsel_range_reg) {
ret = regmap_update_bits(rdev->regmap,
rdev->desc->vsel_reg,
rdev->desc->vsel_range_mask |
rdev->desc->vsel_mask, sel | range);
} else {
ret = regmap_update_bits(rdev->regmap,
rdev->desc->vsel_range_reg,
rdev->desc->vsel_range_mask, range);
if (ret)
return ret;
ret = regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
rdev->desc->vsel_mask, sel);
}
if (ret)
return ret;
if (rdev->desc->apply_bit)
ret = regmap_update_bits(rdev->regmap, rdev->desc->apply_reg,
rdev->desc->apply_bit,
rdev->desc->apply_bit);
return ret;
}
EXPORT_SYMBOL_GPL(regulator_set_voltage_sel_pickable_regmap);
/**
* regulator_get_voltage_sel_regmap - standard get_voltage_sel for regmap users
*
......@@ -337,6 +459,76 @@ int regulator_map_voltage_linear_range(struct regulator_dev *rdev,
}
EXPORT_SYMBOL_GPL(regulator_map_voltage_linear_range);
/**
* regulator_map_voltage_pickable_linear_range - map_voltage, pickable ranges
*
* @rdev: Regulator to operate on
* @min_uV: Lower bound for voltage
* @max_uV: Upper bound for voltage
*
* Drivers providing pickable linear_ranges in their descriptor can use
* this as their map_voltage() callback.
*/
int regulator_map_voltage_pickable_linear_range(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
const struct regulator_linear_range *range;
int ret = -EINVAL;
int voltage, i;
unsigned int selector = 0;
if (!rdev->desc->n_linear_ranges) {
BUG_ON(!rdev->desc->n_linear_ranges);
return -EINVAL;
}
for (i = 0; i < rdev->desc->n_linear_ranges; i++) {
int linear_max_uV;
range = &rdev->desc->linear_ranges[i];
linear_max_uV = range->min_uV +
(range->max_sel - range->min_sel) * range->uV_step;
if (!(min_uV <= linear_max_uV && max_uV >= range->min_uV)) {
selector += (range->max_sel - range->min_sel + 1);
continue;
}
if (min_uV <= range->min_uV)
min_uV = range->min_uV;
/* range->uV_step == 0 means fixed voltage range */
if (range->uV_step == 0) {
ret = 0;
} else {
ret = DIV_ROUND_UP(min_uV - range->min_uV,
range->uV_step);
if (ret < 0)
return ret;
}
ret += selector;
voltage = rdev->desc->ops->list_voltage(rdev, ret);
/*
* Map back into a voltage to verify we're still in bounds.
* We may have overlapping voltage ranges. Hence we don't
* exit but retry until we have checked all ranges.
*/
if (voltage < min_uV || voltage > max_uV)
selector += (range->max_sel - range->min_sel + 1);
else
break;
}
if (i == rdev->desc->n_linear_ranges)
return -EINVAL;
return ret;
}
EXPORT_SYMBOL_GPL(regulator_map_voltage_pickable_linear_range);
/**
* regulator_list_voltage_linear - List voltages with simple calculation
*
......@@ -361,6 +553,46 @@ int regulator_list_voltage_linear(struct regulator_dev *rdev,
}
EXPORT_SYMBOL_GPL(regulator_list_voltage_linear);
/**
* regulator_list_voltage_pickable_linear_range - pickable range list voltages
*
* @rdev: Regulator device
* @selector: Selector to convert into a voltage
*
* list_voltage() operation, intended to be used by drivers utilizing pickable
* ranges helpers.
*/
int regulator_list_voltage_pickable_linear_range(struct regulator_dev *rdev,
unsigned int selector)
{
const struct regulator_linear_range *range;
int i;
unsigned int all_sels = 0;
if (!rdev->desc->n_linear_ranges) {
BUG_ON(!rdev->desc->n_linear_ranges);
return -EINVAL;
}
for (i = 0; i < rdev->desc->n_linear_ranges; i++) {
unsigned int sels_in_range;
range = &rdev->desc->linear_ranges[i];
sels_in_range = range->max_sel - range->min_sel;
if (all_sels + sels_in_range >= selector) {
selector -= all_sels;
return range->min_uV + (range->uV_step * selector);
}
all_sels += (sels_in_range + 1);
}
return -EINVAL;
}
EXPORT_SYMBOL_GPL(regulator_list_voltage_pickable_linear_range);
/**
* regulator_list_voltage_linear_range - List voltages for linear ranges
*
......
drivers/regulator/of_regulator.c
View file @ 54515214
......@@ -213,8 +213,6 @@ static void of_get_regulation_constraints(struct device_node *np,
else if (of_property_read_bool(suspend_np,
"regulator-off-in-suspend"))
suspend_state->enabled = DISABLE_IN_SUSPEND;
else
suspend_state->enabled = DO_NOTHING_IN_SUSPEND;
if (!of_property_read_u32(np, "regulator-suspend-min-microvolt",
&pval))
......
include/linux/mfd/da9063/pdata.h
View file @ 54515214
......@@ -21,7 +21,7 @@
/*
* Regulator configuration
*/
/* DA9063 regulator IDs */
/* DA9063 and DA9063L regulator IDs */
enum {
/* BUCKs */
DA9063_ID_BCORE1,
......@@ -37,18 +37,20 @@ enum {
DA9063_ID_BMEM_BIO_MERGED,
/* When two BUCKs are merged, they cannot be reused separately */
/* LDOs */
/* LDOs on both DA9063 and DA9063L */
DA9063_ID_LDO3,
DA9063_ID_LDO7,
DA9063_ID_LDO8,
DA9063_ID_LDO9,
DA9063_ID_LDO11,
/* DA9063-only LDOs */
DA9063_ID_LDO1,
DA9063_ID_LDO2,
DA9063_ID_LDO3,
DA9063_ID_LDO4,
DA9063_ID_LDO5,
DA9063_ID_LDO6,
DA9063_ID_LDO7,
DA9063_ID_LDO8,
DA9063_ID_LDO9,
DA9063_ID_LDO10,
DA9063_ID_LDO11,
};
/* Regulators platform data */
......
include/linux/mfd/rohm-bd718x7.h
View file @ 54515214
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Copyright (C) 2018 ROHM Semiconductors */
#ifndef __LINUX_MFD_BD71837_H__
#define __LINUX_MFD_BD71837_H__
#ifndef __LINUX_MFD_BD718XX_H__
#define __LINUX_MFD_BD718XX_H__
#include <linux/regmap.h>
enum {
BD71837_BUCK1 = 0,
BD71837_BUCK2,
BD71837_BUCK3,
BD71837_BUCK4,
BD71837_BUCK5,
BD71837_BUCK6,
BD71837_BUCK7,
BD71837_BUCK8,
BD71837_LDO1,
BD71837_LDO2,
BD71837_LDO3,
BD71837_LDO4,
BD71837_LDO5,
BD71837_LDO6,
BD71837_LDO7,
BD71837_REGULATOR_CNT,
BD718XX_TYPE_BD71837 = 0,
BD718XX_TYPE_BD71847,
BD718XX_TYPE_AMOUNT
};
#define BD71837_BUCK1_VOLTAGE_NUM 0x40
#define BD71837_BUCK2_VOLTAGE_NUM 0x40
#define BD71837_BUCK3_VOLTAGE_NUM 0x40
#define BD71837_BUCK4_VOLTAGE_NUM 0x40
enum {
BD718XX_BUCK1 = 0,
BD718XX_BUCK2,
BD718XX_BUCK3,
BD718XX_BUCK4,
BD718XX_BUCK5,
BD718XX_BUCK6,
BD718XX_BUCK7,
BD718XX_BUCK8,
BD718XX_LDO1,
BD718XX_LDO2,
BD718XX_LDO3,
BD718XX_LDO4,
BD718XX_LDO5,
BD718XX_LDO6,
BD718XX_LDO7,
BD718XX_REGULATOR_AMOUNT,
};
/* Common voltage configurations */
#define BD718XX_DVS_BUCK_VOLTAGE_NUM 0x3D
#define BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM 0x3D
#define BD718XX_LDO1_VOLTAGE_NUM 0x08
#define BD718XX_LDO2_VOLTAGE_NUM 0x02
#define BD718XX_LDO3_VOLTAGE_NUM 0x10
#define BD718XX_LDO4_VOLTAGE_NUM 0x0A
#define BD718XX_LDO6_VOLTAGE_NUM 0x0A
#define BD71837_BUCK5_VOLTAGE_NUM 0x08
/* BD71837 specific voltage configurations */
#define BD71837_BUCK5_VOLTAGE_NUM 0x10
#define BD71837_BUCK6_VOLTAGE_NUM 0x04
#define BD71837_BUCK7_VOLTAGE_NUM 0x08
#define BD71837_BUCK8_VOLTAGE_NUM 0x40
#define BD71837_LDO1_VOLTAGE_NUM 0x04
#define BD71837_LDO2_VOLTAGE_NUM 0x02
#define BD71837_LDO3_VOLTAGE_NUM 0x10
#define BD71837_LDO4_VOLTAGE_NUM 0x10
#define BD71837_LDO5_VOLTAGE_NUM 0x10
#define BD71837_LDO6_VOLTAGE_NUM 0x10
#define BD71837_LDO7_VOLTAGE_NUM 0x10
/* BD71847 specific voltage configurations */
#define BD71847_BUCK3_VOLTAGE_NUM 0x18
#define BD71847_BUCK4_VOLTAGE_NUM 0x08
#define BD71847_LDO5_VOLTAGE_NUM 0x20
/* Registers specific to BD71837 */
enum {
BD71837_REG_BUCK3_CTRL = 0x07,
BD71837_REG_BUCK4_CTRL = 0x08,
BD71837_REG_BUCK3_VOLT_RUN = 0x12,
BD71837_REG_BUCK4_VOLT_RUN = 0x13,
BD71837_REG_LDO7_VOLT = 0x1E,
};
/* Registers common for BD71837 and BD71847 */
enum {
BD71837_REG_REV = 0x00,
BD71837_REG_SWRESET = 0x01,
BD71837_REG_I2C_DEV = 0x02,
BD71837_REG_PWRCTRL0 = 0x03,
BD71837_REG_PWRCTRL1 = 0x04,
BD71837_REG_BUCK1_CTRL = 0x05,
BD71837_REG_BUCK2_CTRL = 0x06,
BD71837_REG_BUCK3_CTRL = 0x07,
BD71837_REG_BUCK4_CTRL = 0x08,
BD71837_REG_BUCK5_CTRL = 0x09,
BD71837_REG_BUCK6_CTRL = 0x0A,
BD71837_REG_BUCK7_CTRL = 0x0B,
BD71837_REG_BUCK8_CTRL = 0x0C,
BD71837_REG_BUCK1_VOLT_RUN = 0x0D,
BD71837_REG_BUCK1_VOLT_IDLE = 0x0E,
BD71837_REG_BUCK1_VOLT_SUSP = 0x0F,
BD71837_REG_BUCK2_VOLT_RUN = 0x10,
BD71837_REG_BUCK2_VOLT_IDLE = 0x11,
BD71837_REG_BUCK3_VOLT_RUN = 0x12,
BD71837_REG_BUCK4_VOLT_RUN = 0x13,
BD71837_REG_BUCK5_VOLT = 0x14,
BD71837_REG_BUCK6_VOLT = 0x15,
BD71837_REG_BUCK7_VOLT = 0x16,
BD71837_REG_BUCK8_VOLT = 0x17,
BD71837_REG_LDO1_VOLT = 0x18,
BD71837_REG_LDO2_VOLT = 0x19,
BD71837_REG_LDO3_VOLT = 0x1A,
BD71837_REG_LDO4_VOLT = 0x1B,
BD71837_REG_LDO5_VOLT = 0x1C,
BD71837_REG_LDO6_VOLT = 0x1D,
BD71837_REG_LDO7_VOLT = 0x1E,
BD71837_REG_TRANS_COND0 = 0x1F,
BD71837_REG_TRANS_COND1 = 0x20,
BD71837_REG_VRFAULTEN = 0x21,
BD71837_REG_MVRFLTMASK0 = 0x22,
BD71837_REG_MVRFLTMASK1 = 0x23,
BD71837_REG_MVRFLTMASK2 = 0x24,
BD71837_REG_RCVCFG = 0x25,
BD71837_REG_RCVNUM = 0x26,
BD71837_REG_PWRONCONFIG0 = 0x27,
BD71837_REG_PWRONCONFIG1 = 0x28,
BD71837_REG_RESETSRC = 0x29,
BD71837_REG_MIRQ = 0x2A,
BD71837_REG_IRQ = 0x2B,
BD71837_REG_IN_MON = 0x2C,
BD71837_REG_POW_STATE = 0x2D,
BD71837_REG_OUT32K = 0x2E,
BD71837_REG_REGLOCK = 0x2F,
BD71837_REG_OTPVER = 0xFF,
BD71837_MAX_REGISTER = 0x100,
BD718XX_REG_REV = 0x00,
BD718XX_REG_SWRESET = 0x01,
BD718XX_REG_I2C_DEV = 0x02,
BD718XX_REG_PWRCTRL0 = 0x03,
BD718XX_REG_PWRCTRL1 = 0x04,
BD718XX_REG_BUCK1_CTRL = 0x05,
BD718XX_REG_BUCK2_CTRL = 0x06,
BD718XX_REG_1ST_NODVS_BUCK_CTRL = 0x09,
BD718XX_REG_2ND_NODVS_BUCK_CTRL = 0x0A,
BD718XX_REG_3RD_NODVS_BUCK_CTRL = 0x0B,
BD718XX_REG_4TH_NODVS_BUCK_CTRL = 0x0C,
BD718XX_REG_BUCK1_VOLT_RUN = 0x0D,
BD718XX_REG_BUCK1_VOLT_IDLE = 0x0E,
BD718XX_REG_BUCK1_VOLT_SUSP = 0x0F,
BD718XX_REG_BUCK2_VOLT_RUN = 0x10,
BD718XX_REG_BUCK2_VOLT_IDLE = 0x11,
BD718XX_REG_1ST_NODVS_BUCK_VOLT = 0x14,
BD718XX_REG_2ND_NODVS_BUCK_VOLT = 0x15,
BD718XX_REG_3RD_NODVS_BUCK_VOLT = 0x16,
BD718XX_REG_4TH_NODVS_BUCK_VOLT = 0x17,
BD718XX_REG_LDO1_VOLT = 0x18,
BD718XX_REG_LDO2_VOLT = 0x19,
BD718XX_REG_LDO3_VOLT = 0x1A,
BD718XX_REG_LDO4_VOLT = 0x1B,
BD718XX_REG_LDO5_VOLT = 0x1C,
BD718XX_REG_LDO6_VOLT = 0x1D,
BD718XX_REG_TRANS_COND0 = 0x1F,
BD718XX_REG_TRANS_COND1 = 0x20,
BD718XX_REG_VRFAULTEN = 0x21,
BD718XX_REG_MVRFLTMASK0 = 0x22,
BD718XX_REG_MVRFLTMASK1 = 0x23,
BD718XX_REG_MVRFLTMASK2 = 0x24,
BD718XX_REG_RCVCFG = 0x25,
BD718XX_REG_RCVNUM = 0x26,
BD718XX_REG_PWRONCONFIG0 = 0x27,
BD718XX_REG_PWRONCONFIG1 = 0x28,
BD718XX_REG_RESETSRC = 0x29,
BD718XX_REG_MIRQ = 0x2A,
BD718XX_REG_IRQ = 0x2B,
BD718XX_REG_IN_MON = 0x2C,
BD718XX_REG_POW_STATE = 0x2D,
BD718XX_REG_OUT32K = 0x2E,
BD718XX_REG_REGLOCK = 0x2F,
BD718XX_REG_OTPVER = 0xFF,
BD718XX_MAX_REGISTER = 0x100,
};
#define REGLOCK_PWRSEQ 0x1
#define REGLOCK_VREG 0x10
/* Generic BUCK control masks */
#define BD71837_BUCK_SEL 0x02
#define BD71837_BUCK_EN 0x01
#define BD71837_BUCK_RUN_ON 0x04
#define BD718XX_BUCK_SEL 0x02
#define BD718XX_BUCK_EN 0x01
#define BD718XX_BUCK_RUN_ON 0x04
/* Generic LDO masks */
#define BD71837_LDO_SEL 0x80
#define BD71837_LDO_EN 0x40
#define BD718XX_LDO_SEL 0x80
#define BD718XX_LDO_EN 0x40
/* BD71837 BUCK ramp rate CTRL reg bits */
#define BUCK_RAMPRATE_MASK 0xC0
......@@ -115,51 +130,64 @@ enum {
#define BUCK_RAMPRATE_2P50MV 0x2
#define BUCK_RAMPRATE_1P25MV 0x3
/* BD71837_REG_BUCK1_VOLT_RUN bits */
#define BUCK1_RUN_MASK 0x3F
#define BUCK1_RUN_DEFAULT 0x14
/* BD71837_REG_BUCK1_VOLT_SUSP bits */
#define BUCK1_SUSP_MASK 0x3F
#define BUCK1_SUSP_DEFAULT 0x14
/* BD71837_REG_BUCK1_VOLT_IDLE bits */
#define BUCK1_IDLE_MASK 0x3F
#define BUCK1_IDLE_DEFAULT 0x14
/* BD71837_REG_BUCK2_VOLT_RUN bits */
#define BUCK2_RUN_MASK 0x3F
#define BUCK2_RUN_DEFAULT 0x1E
/* BD71837_REG_BUCK2_VOLT_IDLE bits */
#define BUCK2_IDLE_MASK 0x3F
#define BUCK2_IDLE_DEFAULT 0x14
/* BD71837_REG_BUCK3_VOLT_RUN bits */
#define BUCK3_RUN_MASK 0x3F
#define BUCK3_RUN_DEFAULT 0x1E
/* BD71837_REG_BUCK4_VOLT_RUN bits */
#define BUCK4_RUN_MASK 0x3F
#define BUCK4_RUN_DEFAULT 0x1E
/* BD71837_REG_BUCK5_VOLT bits */
#define BUCK5_MASK 0x07
#define BUCK5_DEFAULT 0x02
/* BD71837_REG_BUCK6_VOLT bits */
#define BUCK6_MASK 0x03
#define BUCK6_DEFAULT 0x03
/* BD71837_REG_BUCK7_VOLT bits */
#define BUCK7_MASK 0x07
#define BUCK7_DEFAULT 0x03
/* BD71837_REG_BUCK8_VOLT bits */
#define BUCK8_MASK 0x3F
#define BUCK8_DEFAULT 0x1E
/* BD71837_REG_IRQ bits */
#define DVS_BUCK_RUN_MASK 0x3F
#define DVS_BUCK_SUSP_MASK 0x3F
#define DVS_BUCK_IDLE_MASK 0x3F
#define BD718XX_1ST_NODVS_BUCK_MASK 0x07
#define BD718XX_3RD_NODVS_BUCK_MASK 0x07
#define BD718XX_4TH_NODVS_BUCK_MASK 0x3F
#define BD71847_BUCK3_MASK 0x07
#define BD71847_BUCK3_RANGE_MASK 0xC0
#define BD71847_BUCK4_MASK 0x03
#define BD71847_BUCK4_RANGE_MASK 0x40
#define BD71837_BUCK5_MASK 0x07
#define BD71837_BUCK5_RANGE_MASK 0x80
#define BD71837_BUCK6_MASK 0x03
#define BD718XX_LDO1_MASK 0x03
#define BD718XX_LDO1_RANGE_MASK 0x20
#define BD718XX_LDO2_MASK 0x20
#define BD718XX_LDO3_MASK 0x0F
#define BD718XX_LDO4_MASK 0x0F
#define BD718XX_LDO6_MASK 0x0F
#define BD71837_LDO5_MASK 0x0F
#define BD71847_LDO5_MASK 0x0F
#define BD71847_LDO5_RANGE_MASK 0x20
#define BD71837_LDO7_MASK 0x0F
/* BD718XX Voltage monitoring masks */
#define BD718XX_BUCK1_VRMON80 0x1
#define BD718XX_BUCK1_VRMON130 0x2
#define BD718XX_BUCK2_VRMON80 0x4
#define BD718XX_BUCK2_VRMON130 0x8
#define BD718XX_1ST_NODVS_BUCK_VRMON80 0x1
#define BD718XX_1ST_NODVS_BUCK_VRMON130 0x2
#define BD718XX_2ND_NODVS_BUCK_VRMON80 0x4
#define BD718XX_2ND_NODVS_BUCK_VRMON130 0x8
#define BD718XX_3RD_NODVS_BUCK_VRMON80 0x10
#define BD718XX_3RD_NODVS_BUCK_VRMON130 0x20
#define BD718XX_4TH_NODVS_BUCK_VRMON80 0x40
#define BD718XX_4TH_NODVS_BUCK_VRMON130 0x80
#define BD718XX_LDO1_VRMON80 0x1
#define BD718XX_LDO2_VRMON80 0x2
#define BD718XX_LDO3_VRMON80 0x4
#define BD718XX_LDO4_VRMON80 0x8
#define BD718XX_LDO5_VRMON80 0x10
#define BD718XX_LDO6_VRMON80 0x20
/* BD71837 specific voltage monitoring masks */
#define BD71837_BUCK3_VRMON80 0x10
#define BD71837_BUCK3_VRMON130 0x20
#define BD71837_BUCK4_VRMON80 0x40
#define BD71837_BUCK4_VRMON130 0x80
#define BD71837_LDO7_VRMON80 0x40
/* BD718XX_REG_IRQ bits */
#define IRQ_SWRST 0x40
#define IRQ_PWRON_S 0x20
#define IRQ_PWRON_L 0x10
......@@ -168,52 +196,31 @@ enum {
#define IRQ_ON_REQ 0x02
#define IRQ_STBY_REQ 0x01
/* BD71837_REG_OUT32K bits */
#define BD71837_OUT32K_EN 0x01
/* BD718XX_REG_OUT32K bits */
#define BD718XX_OUT32K_EN 0x01
/* BD71837 gated clock rate */
#define BD71837_CLK_RATE 32768
/* BD7183XX gated clock rate */
#define BD718XX_CLK_RATE 32768
/* ROHM BD71837 irqs */
/* ROHM BD718XX irqs */
enum {
BD71837_INT_STBY_REQ,
BD71837_INT_ON_REQ,
BD71837_INT_WDOG,
BD71837_INT_PWRBTN,
BD71837_INT_PWRBTN_L,
BD71837_INT_PWRBTN_S,
BD71837_INT_SWRST
BD718XX_INT_STBY_REQ,
BD718XX_INT_ON_REQ,
BD718XX_INT_WDOG,
BD718XX_INT_PWRBTN,
BD718XX_INT_PWRBTN_L,
BD718XX_INT_PWRBTN_S,
BD718XX_INT_SWRST
};
/* ROHM BD71837 interrupt masks */
#define BD71837_INT_SWRST_MASK 0x40
#define BD71837_INT_PWRBTN_S_MASK 0x20
#define BD71837_INT_PWRBTN_L_MASK 0x10
#define BD71837_INT_PWRBTN_MASK 0x8
#define BD71837_INT_WDOG_MASK 0x4
#define BD71837_INT_ON_REQ_MASK 0x2
#define BD71837_INT_STBY_REQ_MASK 0x1
/* BD71837_REG_LDO1_VOLT bits */
#define LDO1_MASK 0x03
/* BD71837_REG_LDO1_VOLT bits */
#define LDO2_MASK 0x20
/* BD71837_REG_LDO3_VOLT bits */
#define LDO3_MASK 0x0F
/* BD71837_REG_LDO4_VOLT bits */
#define LDO4_MASK 0x0F
/* BD71837_REG_LDO5_VOLT bits */
#define LDO5_MASK 0x0F
/* BD71837_REG_LDO6_VOLT bits */
#define LDO6_MASK 0x0F
/* BD71837_REG_LDO7_VOLT bits */
#define LDO7_MASK 0x0F
/* ROHM BD718XX interrupt masks */
#define BD718XX_INT_SWRST_MASK 0x40
#define BD718XX_INT_PWRBTN_S_MASK 0x20
#define BD718XX_INT_PWRBTN_L_MASK 0x10
#define BD718XX_INT_PWRBTN_MASK 0x8
#define BD718XX_INT_WDOG_MASK 0x4
#define BD718XX_INT_ON_REQ_MASK 0x2
#define BD718XX_INT_STBY_REQ_MASK 0x1
/* Register write induced reset settings */
......@@ -223,13 +230,13 @@ enum {
* write 1 to it we will trigger the action. So always write 0 to it when
* changning SWRESET action - no matter what we read from it.
*/
#define BD71837_SWRESET_TYPE_MASK 7
#define BD71837_SWRESET_TYPE_DISABLED 0
#define BD71837_SWRESET_TYPE_COLD 4
#define BD71837_SWRESET_TYPE_WARM 6
#define BD718XX_SWRESET_TYPE_MASK 7
#define BD718XX_SWRESET_TYPE_DISABLED 0
#define BD718XX_SWRESET_TYPE_COLD 4
#define BD718XX_SWRESET_TYPE_WARM 6
#define BD71837_SWRESET_RESET_MASK 1
#define BD71837_SWRESET_RESET 1
#define BD718XX_SWRESET_RESET_MASK 1
#define BD718XX_SWRESET_RESET 1
/* Poweroff state transition conditions */
......@@ -314,10 +321,11 @@ enum {
BD718XX_PWRBTN_LONG_PRESS_15S
};
struct bd71837_pmic;
struct bd71837_clk;
struct bd718xx_pmic;
struct bd718xx_clk;
struct bd71837 {
struct bd718xx {
unsigned int chip_type;
struct device *dev;
struct regmap *regmap;
unsigned long int id;
......@@ -325,8 +333,8 @@ struct bd71837 {
int chip_irq;
struct regmap_irq_chip_data *irq_data;
struct bd71837_pmic *pmic;
struct bd71837_clk *clk;
struct bd718xx_pmic *pmic;
struct bd718xx_clk *clk;
};
#endif /* __LINUX_MFD_BD71837_H__ */
#endif /* __LINUX_MFD_BD718XX_H__ */
include/linux/regulator/driver.h
View file @ 54515214
......@@ -271,9 +271,16 @@ enum regulator_type {
* @ramp_delay: Time to settle down after voltage change (unit: uV/us)
* @min_dropout_uV: The minimum dropout voltage this regulator can handle
* @linear_ranges: A constant table of possible voltage ranges.
* @n_linear_ranges: Number of entries in the @linear_ranges table.
* @linear_range_selectors: A constant table of voltage range selectors.
* If pickable ranges are used each range must
* have corresponding selector here.
* @n_linear_ranges: Number of entries in the @linear_ranges (and in
* linear_range_selectors if used) table(s).
* @volt_table: Voltage mapping table (if table based mapping)
*
* @vsel_range_reg: Register for range selector when using pickable ranges
* and regulator_regmap_X_voltage_X_pickable functions.
* @vsel_range_mask: Mask for register bitfield used for range selector
* @vsel_reg: Register for selector when using regulator_regmap_X_voltage_
* @vsel_mask: Mask for register bitfield used for selector
* @csel_reg: Register for TPS65218 LS3 current regulator
......@@ -338,10 +345,14 @@ struct regulator_desc {
int min_dropout_uV;
const struct regulator_linear_range *linear_ranges;
const unsigned int *linear_range_selectors;
int n_linear_ranges;
const unsigned int *volt_table;
unsigned int vsel_range_reg;
unsigned int vsel_range_mask;
unsigned int vsel_reg;
unsigned int vsel_mask;
unsigned int csel_reg;
......@@ -498,18 +509,25 @@ int regulator_mode_to_status(unsigned int);
int regulator_list_voltage_linear(struct regulator_dev *rdev,
unsigned int selector);
int regulator_list_voltage_pickable_linear_range(struct regulator_dev *rdev,
unsigned int selector);
int regulator_list_voltage_linear_range(struct regulator_dev *rdev,
unsigned int selector);
int regulator_list_voltage_table(struct regulator_dev *rdev,
unsigned int selector);
int regulator_map_voltage_linear(struct regulator_dev *rdev,
int min_uV, int max_uV);
int regulator_map_voltage_pickable_linear_range(struct regulator_dev *rdev,
int min_uV, int max_uV);
int regulator_map_voltage_linear_range(struct regulator_dev *rdev,
int min_uV, int max_uV);
int regulator_map_voltage_iterate(struct regulator_dev *rdev,
int min_uV, int max_uV);
int regulator_map_voltage_ascend(struct regulator_dev *rdev,
int min_uV, int max_uV);
int regulator_get_voltage_sel_pickable_regmap(struct regulator_dev *rdev);
int regulator_set_voltage_sel_pickable_regmap(struct regulator_dev *rdev,
unsigned int sel);
int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev);
int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel);
int regulator_is_enabled_regmap(struct regulator_dev *rdev);
......
include/linux/regulator/machine.h
View file @ 54515214
......@@ -48,9 +48,9 @@ struct regulator;
* DISABLE_IN_SUSPEND - turn off regulator in suspend states
* ENABLE_IN_SUSPEND - keep regulator on in suspend states
*/
#define DO_NOTHING_IN_SUSPEND (-1)
#define DISABLE_IN_SUSPEND 0
#define ENABLE_IN_SUSPEND 1
#define DO_NOTHING_IN_SUSPEND 0
#define DISABLE_IN_SUSPEND 1
#define ENABLE_IN_SUSPEND 2
/* Regulator active discharge flags */
enum regulator_active_discharge {
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7