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regulator: Updates for v4.14 

This is an extremely quiet release for the regulator subsystem, it's all
 fairly minor fixes and cleanups plus a few new drivers and ddevice ID
 additions:
 
  - Support for MediaTek MT6380, Ricoh RC5T619 and ST Voltage Reference
    Buffers.
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Merge tag 'regulator-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This is an extremely quiet release for the regulator subsystem, it's
  all fairly minor fixes and cleanups plus a few new drivers and ddevice
  ID additions:

   - Support for MediaTek MT6380, Ricoh RC5T619 and ST Voltage Reference
     Buffers"

* tag 'regulator-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (24 commits)
  regulator: Add support for stm32-vrefbuf
  regulator: Add STM32 Voltage Reference Buffer
  regulator: pv88090: Exception handling for out of bounds
  regulator: da9063: Return an error code on probe failure
  regulator: rn5t618: add RC5T619 PMIC support
  regulator: ltc3589: constify i2c_device_id
  regulator: fan53555: fix I2C device ids
  regulator: add fixes with MT6397 dt-bindings shouldn't reference driver
  regulator: add fixes with MT6323 dt-bindings shouldn't reference driver
  regulator: add fixes with MT6311 dt-bindings shouldn't reference driver
  regulator: Add document for MediaTek MT6380 regulator
  regulator: mt6380: Add support for MT6380
  regulator: pwm-regulator: Remove unneeded gpiod NULL check
  regulator: core: fix a possible race in disable_work handling
  regulator: fan53555: Use of_device_get_match_data() to simplify probe
  regulator: of: regulator_of_get_init_data() missing of_node_get()
  regulator: pwm-regulator: fix example syntax
  regulator: Convert to using %pOF instead of full_name
  regulator: cpcap: Add OF mode mapping
  regulator: cpcap: Fix standby mode
  ...
This commit is contained in:
Linus Torvalds 2017-09-05 11:43:30 -07:00
parent b88f55774f 00ee929f9e
commit fe9e31383e
28 changed files with 835 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/regulator/mt6311-regulator.txt
View File

@ -1,4 +1,4 @@
Mediatek MT6311 Regulator Driver
Mediatek MT6311 Regulator
Required properties:
- compatible: "mediatek,mt6311-regulator"

2
Documentation/devicetree/bindings/regulator/mt6323-regulator.txt
View File

@ -1,4 +1,4 @@
Mediatek MT6323 Regulator Driver
Mediatek MT6323 Regulator
All voltage regulators are defined as subnodes of the regulators node. A list
of regulators provided by this controller are defined as subnodes of the

89
Documentation/devicetree/bindings/regulator/mt6380-regulator.txt Normal file
View File

@ -0,0 +1,89 @@
MediaTek MT6380 Regulator
All voltage regulators provided by the MT6380 PMIC are described as the
subnodes of the MT6380 regulators node. Each regulator is named according
to its regulator type, buck-<name> and ldo-<name>. The definition for each
of these nodes is defined using the standard binding for regulators at
Documentation/devicetree/bindings/regulator/regulator.txt.
The valid names for regulators are:
BUCK:
buck-core1, buck-vcore, buck-vrf
LDO:
ldo-vm ,ldo-va , ldo-vphy, ldo-vddr, ldo-vt
Example:
regulators {
compatible = "mediatek,mt6380-regulator";
mt6380_vcpu_reg: buck-vcore1 {
regulator-name = "vcore1";
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1393750>;
regulator-ramp-delay = <6250>;
regulator-always-on;
regulator-boot-on;
};
mt6380_vcore_reg: buck-vcore {
regulator-name = "vcore";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <1393750>;
regulator-ramp-delay = <6250>;
};
mt6380_vrf_reg: buck-vrf {
regulator-name = "vrf";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1575000>;
regulator-ramp-delay = <0>;
regulator-always-on;
regulator-boot-on;
};
mt6380_vm_reg: ldo-vm {
regulator-name = "vm";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1400000>;
regulator-ramp-delay = <0>;
regulator-always-on;
regulator-boot-on;
};
mt6380_va_reg: ldo-va {
regulator-name = "va";
regulator-min-microvolt = <2200000>;
regulator-max-microvolt = <3300000>;
regulator-ramp-delay = <0>;
regulator-always-on;
regulator-boot-on;
};
mt6380_vphy_reg: ldo-vphy {
regulator-name = "vphy";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-ramp-delay = <0>;
regulator-always-on;
regulator-boot-on;
};
mt6380_vddr_reg: ldo-vddr {
regulator-name = "vddr";
regulator-min-microvolt = <1240000>;
regulator-max-microvolt = <1840000>;
regulator-ramp-delay = <0>;
regulator-always-on;
regulator-boot-on;
};
mt6380_vt_reg: ldo-vt {
regulator-name = "vt";
regulator-min-microvolt = <2200000>;
regulator-max-microvolt = <3300000>;
regulator-ramp-delay = <0>;
regulator-always-on;
regulator-boot-on;
};
};

2
Documentation/devicetree/bindings/regulator/mt6397-regulator.txt
View File

@ -1,4 +1,4 @@
Mediatek MT6397 Regulator Driver
Mediatek MT6397 Regulator
Required properties:
- compatible: "mediatek,mt6397-regulator"

2
Documentation/devicetree/bindings/regulator/pwm-regulator.txt
View File

@ -71,7 +71,7 @@ Continuous Voltage With Enable GPIO Example:
* Inverted PWM logic, and the duty cycle range is limited
* to 30%-70%.
*/
pwm-dutycycle-range <700 300>; /* */
pwm-dutycycle-range = <700 300>; /* */
};
Voltage Table Example:

20
Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt Normal file
View File

@ -0,0 +1,20 @@
STM32 VREFBUF - Voltage reference buffer
Some STM32 devices embed a voltage reference buffer which can be used as
voltage reference for ADCs, DACs and also as voltage reference for external
components through the dedicated VREF+ pin.
Required properties:
- compatible: Must be "st,stm32-vrefbuf".
- reg: Offset and length of VREFBUF register set.
- clocks: Must contain an entry for peripheral clock.
Example:
vrefbuf: regulator@58003C00 {
compatible = "st,stm32-vrefbuf";
reg = <0x58003C00 0x8>;
clocks = <&rcc VREF_CK>;
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <2500000>;
vdda-supply = <&vdda>;
};

25
drivers/regulator/Kconfig
View File

@ -559,6 +559,15 @@ config REGULATOR_MT6323
This driver supports the control of different power rails of device
through regulator interface.
config REGULATOR_MT6380
tristate "MediaTek MT6380 PMIC"
depends on MTK_PMIC_WRAP
help
Say y here to select this option to enable the power regulator of
MediaTek MT6380 PMIC.
This driver supports the control of different power rails of device
through regulator interface.
config REGULATOR_MT6397
tristate "MediaTek MT6397 PMIC"
depends on MFD_MT6397
@ -700,8 +709,8 @@ config REGULATOR_RN5T618
tristate "Ricoh RN5T567/618 voltage regulators"
depends on MFD_RN5T618
help
Say y here to support the regulators found on Ricoh RN5T567 or
RN5T618 PMIC.
Say y here to support the regulators found on Ricoh RN5T567,
RN5T618 or RC5T619 PMIC.
config REGULATOR_RT5033
tristate "Richtek RT5033 Regulators"
@ -746,6 +755,18 @@ config REGULATOR_SKY81452
This driver can also be built as a module. If so, the module
will be called sky81452-regulator.
config REGULATOR_STM32_VREFBUF
tristate "STMicroelectronics STM32 VREFBUF"
depends on ARCH_STM32 || COMPILE_TEST
help
This driver supports STMicroelectronics STM32 VREFBUF (voltage
reference buffer) which can be used as voltage reference for
internal ADCs, DACs and also for external components through
dedicated Vref+ pin.
This driver can also be built as a module. If so, the module
will be called stm32-vrefbuf.
config REGULATOR_TI_ABB
tristate "TI Adaptive Body Bias on-chip LDO"
depends on ARCH_OMAP

2
drivers/regulator/Makefile
View File

@ -72,6 +72,7 @@ obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o
obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o
obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o
obj-$(CONFIG_REGULATOR_MT6380) += mt6380-regulator.o
obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o
obj-$(CONFIG_REGULATOR_QCOM_RPM) += qcom_rpm-regulator.o
obj-$(CONFIG_REGULATOR_QCOM_SMD_RPM) += qcom_smd-regulator.o
@ -94,6 +95,7 @@ obj-$(CONFIG_REGULATOR_S2MPA01) += s2mpa01.o
obj-$(CONFIG_REGULATOR_S2MPS11) += s2mps11.o
obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o
obj-$(CONFIG_REGULATOR_SKY81452) += sky81452-regulator.o
obj-$(CONFIG_REGULATOR_STM32_VREFBUF) += stm32-vrefbuf.o
obj-$(CONFIG_REGULATOR_STW481X_VMMC) += stw481x-vmmc.o
obj-$(CONFIG_REGULATOR_TI_ABB) += ti-abb-regulator.o
obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o

6
drivers/regulator/axp20x-regulator.c
View File

@ -691,6 +691,9 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
(regulators == axp809_regulators && i == AXP809_DC1SW)) {
new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
GFP_KERNEL);
if (!new_desc)
return -ENOMEM;
*new_desc = regulators[i];
new_desc->supply_name = dcdc1_name;
desc = new_desc;
@ -700,6 +703,9 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
(regulators == axp809_regulators && i == AXP809_DC5LDO)) {
new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
GFP_KERNEL);
if (!new_desc)
return -ENOMEM;
*new_desc = regulators[i];
new_desc->supply_name = dcdc5_name;
desc = new_desc;

16
drivers/regulator/core.c
View File

@ -204,8 +204,8 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp
regnode = of_parse_phandle(dev->of_node, prop_name, 0);
if (!regnode) {
dev_dbg(dev, "Looking up %s property in node %s failed\n",
prop_name, dev->of_node->full_name);
dev_dbg(dev, "Looking up %s property in node %pOF failed\n",
prop_name, dev->of_node);
return NULL;
}
return regnode;
@ -2396,6 +2396,14 @@ static void regulator_disable_work(struct work_struct *work)
count = rdev->deferred_disables;
rdev->deferred_disables = 0;
/*
* Workqueue functions queue the new work instance while the previous
* work instance is being processed. Cancel the queued work instance
* as the work instance under processing does the job of the queued
* work instance.
*/
cancel_delayed_work(&rdev->disable_work);
for (i = 0; i < count; i++) {
ret = _regulator_disable(rdev);
if (ret != 0)
@ -2439,10 +2447,10 @@ int regulator_disable_deferred(struct regulator *regulator, int ms)
mutex_lock(&rdev->mutex);
rdev->deferred_disables++;
mod_delayed_work(system_power_efficient_wq, &rdev->disable_work,
msecs_to_jiffies(ms));
mutex_unlock(&rdev->mutex);
queue_delayed_work(system_power_efficient_wq, &rdev->disable_work,
msecs_to_jiffies(ms));
return 0;
}
EXPORT_SYMBOL_GPL(regulator_disable_deferred);

21
drivers/regulator/cpcap-regulator.c
View File

@ -77,6 +77,8 @@
#define CPCAP_BIT_VAUDIO_MODE0 BIT(1)
#define CPCAP_BIT_V_AUDIO_EN BIT(0)
#define CPCAP_BIT_AUDIO_NORMAL_MODE 0x00
/*
* Off mode configuration bit. Used currently only by SW5 on omap4. There's
* the following comment in Motorola Linux kernel tree for it:
@ -121,6 +123,7 @@ struct cpcap_regulator {
.enable_val = (mode_val), \
.disable_val = (off_val), \
.ramp_delay = (volt_trans_time), \
.of_map_mode = cpcap_map_mode, \
}, \
.assign_reg = (assignment_reg), \
.assign_mask = (assignment_mask), \
@ -211,13 +214,25 @@ static int cpcap_regulator_disable(struct regulator_dev *rdev)
return error;
}
static unsigned int cpcap_map_mode(unsigned int mode)
{
switch (mode) {
case CPCAP_BIT_AUDIO_NORMAL_MODE:
return REGULATOR_MODE_NORMAL;
case CPCAP_BIT_AUDIO_LOW_PWR:
return REGULATOR_MODE_STANDBY;
default:
return -EINVAL;
}
}
static unsigned int cpcap_regulator_get_mode(struct regulator_dev *rdev)
{
int value;
regmap_read(rdev->regmap, rdev->desc->enable_reg, &value);
if (!(value & CPCAP_BIT_AUDIO_LOW_PWR))
if (value & CPCAP_BIT_AUDIO_LOW_PWR)
return REGULATOR_MODE_STANDBY;
return REGULATOR_MODE_NORMAL;
@ -230,10 +245,10 @@ static int cpcap_regulator_set_mode(struct regulator_dev *rdev,
switch (mode) {
case REGULATOR_MODE_NORMAL:
value = CPCAP_BIT_AUDIO_LOW_PWR;
value = CPCAP_BIT_AUDIO_NORMAL_MODE;
break;
case REGULATOR_MODE_STANDBY:
value = 0;
value = CPCAP_BIT_AUDIO_LOW_PWR;
break;
default:
return -EINVAL;

2
drivers/regulator/da9063-regulator.c
View File

@ -736,7 +736,7 @@ static int da9063_regulator_probe(struct platform_device *pdev)
if (IS_ERR(regl_pdata) || regl_pdata->n_regulators == 0) {
dev_err(&pdev->dev,
"No regulators defined for the platform\n");
return PTR_ERR(regl_pdata);
return -ENODEV;
}
/* Find regulators set for particular device model */

15
drivers/regulator/fan53555.c
View File

@ -407,14 +407,8 @@ static int fan53555_regulator_probe(struct i2c_client *client,
di->regulator = pdata->regulator;
if (client->dev.of_node) {
const struct of_device_id *match;
match = of_match_device(of_match_ptr(fan53555_dt_ids),
&client->dev);
if (!match)
return -ENODEV;
di->vendor = (unsigned long) match->data;
di->vendor =
(unsigned long)of_device_get_match_data(&client->dev);
} else {
/* if no ramp constraint set, get the pdata ramp_delay */
if (!di->regulator->constraints.ramp_delay) {
@ -476,7 +470,10 @@ static const struct i2c_device_id fan53555_id[] = {
.name = "fan53555",
.driver_data = FAN53555_VENDOR_FAIRCHILD
}, {
.name = "syr82x",
.name = "syr827",
.driver_data = FAN53555_VENDOR_SILERGY
}, {
.name = "syr828",
.driver_data = FAN53555_VENDOR_SILERGY
},
{ },

2
drivers/regulator/ltc3589.c
View File

@ -539,7 +539,7 @@ static int ltc3589_probe(struct i2c_client *client,
return 0;
}
static struct i2c_device_id ltc3589_i2c_id[] = {
static const struct i2c_device_id ltc3589_i2c_id[] = {
{ "ltc3589", LTC3589 },
{ "ltc3589-1", LTC3589_1 },
{ "ltc3589-2", LTC3589_2 },

2
drivers/regulator/max1586.c
View File

@ -169,7 +169,7 @@ static int of_get_max1586_platform_data(struct device *dev,
if (of_property_read_u32(np, "v3-gain",
&pdata->v3_gain) < 0) {
dev_err(dev, "%s has no 'v3-gain' property\n", np->full_name);
dev_err(dev, "%pOF has no 'v3-gain' property\n", np);
return -EINVAL;
}

352
drivers/regulator/mt6380-regulator.c Normal file
View File

@ -0,0 +1,352 @@
/*
* Copyright (c) 2017 MediaTek Inc.
* Author: Chenglin Xu <chenglin.xu@mediatek.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/mt6380-regulator.h>
#include <linux/regulator/of_regulator.h>
/* PMIC Registers */
#define MT6380_ALDO_CON_0 0x0000
#define MT6380_BTLDO_CON_0 0x0004
#define MT6380_COMP_CON_0 0x0008
#define MT6380_CPUBUCK_CON_0 0x000C
#define MT6380_CPUBUCK_CON_1 0x0010
#define MT6380_CPUBUCK_CON_2 0x0014
#define MT6380_DDRLDO_CON_0 0x0018
#define MT6380_MLDO_CON_0 0x001C
#define MT6380_PALDO_CON_0 0x0020
#define MT6380_PHYLDO_CON_0 0x0024
#define MT6380_SIDO_CON_0 0x0028
#define MT6380_SIDO_CON_1 0x002C
#define MT6380_SIDO_CON_2 0x0030
#define MT6380_SLDO_CON_0 0x0034
#define MT6380_TLDO_CON_0 0x0038
#define MT6380_STARTUP_CON_0 0x003C
#define MT6380_STARTUP_CON_1 0x0040
#define MT6380_SMPS_TOP_CON_0 0x0044
#define MT6380_SMPS_TOP_CON_1 0x0048
#define MT6380_ANA_CTRL_0 0x0050
#define MT6380_ANA_CTRL_1 0x0054
#define MT6380_ANA_CTRL_2 0x0058
#define MT6380_ANA_CTRL_3 0x005C
#define MT6380_ANA_CTRL_4 0x0060
#define MT6380_SPK_CON9 0x0064
#define MT6380_SPK_CON11 0x0068
#define MT6380_SPK_CON12 0x006A
#define MT6380_CLK_CTRL 0x0070
#define MT6380_PINMUX_CTRL 0x0074
#define MT6380_IO_CTRL 0x0078
#define MT6380_SLP_MODE_CTRL_0 0x007C
#define MT6380_SLP_MODE_CTRL_1 0x0080
#define MT6380_SLP_MODE_CTRL_2 0x0084
#define MT6380_SLP_MODE_CTRL_3 0x0088
#define MT6380_SLP_MODE_CTRL_4 0x008C
#define MT6380_SLP_MODE_CTRL_5 0x0090
#define MT6380_SLP_MODE_CTRL_6 0x0094
#define MT6380_SLP_MODE_CTRL_7 0x0098
#define MT6380_SLP_MODE_CTRL_8 0x009C
#define MT6380_FCAL_CTRL_0 0x00A0
#define MT6380_FCAL_CTRL_1 0x00A4
#define MT6380_LDO_CTRL_0 0x00A8
#define MT6380_LDO_CTRL_1 0x00AC
#define MT6380_LDO_CTRL_2 0x00B0
#define MT6380_LDO_CTRL_3 0x00B4
#define MT6380_LDO_CTRL_4 0x00B8
#define MT6380_DEBUG_CTRL_0 0x00BC
#define MT6380_EFU_CTRL_0 0x0200
#define MT6380_EFU_CTRL_1 0x0201
#define MT6380_EFU_CTRL_2 0x0202
#define MT6380_EFU_CTRL_3 0x0203
#define MT6380_EFU_CTRL_4 0x0204
#define MT6380_EFU_CTRL_5 0x0205
#define MT6380_EFU_CTRL_6 0x0206
#define MT6380_EFU_CTRL_7 0x0207
#define MT6380_EFU_CTRL_8 0x0208
#define MT6380_REGULATOR_MODE_AUTO 0
#define MT6380_REGULATOR_MODE_FORCE_PWM 1
/*
* mt6380 regulators' information
*
* @desc: standard fields of regulator description
* @vselon_reg: Register sections for hardware control mode of bucks
* @modeset_reg: Register for controlling the buck/LDO control mode
* @modeset_mask: Mask for controlling the buck/LDO control mode
*/
struct mt6380_regulator_info {
struct regulator_desc desc;
u32 vselon_reg;
u32 modeset_reg;
u32 modeset_mask;
};
#define MT6380_BUCK(match, vreg, min, max, step, volt_ranges, enreg, \
vosel, vosel_mask, enbit, voselon, _modeset_reg, \
_modeset_mask) \
[MT6380_ID_##vreg] = { \
.desc = { \
.name = #vreg, \
.of_match = of_match_ptr(match), \
.ops = &mt6380_volt_range_ops, \
.type = REGULATOR_VOLTAGE, \
.id = MT6380_ID_##vreg, \
.owner = THIS_MODULE, \
.n_voltages = ((max) - (min)) / (step) + 1, \
.linear_ranges = volt_ranges, \
.n_linear_ranges = ARRAY_SIZE(volt_ranges), \
.vsel_reg = vosel, \
.vsel_mask = vosel_mask, \
.enable_reg = enreg, \
.enable_mask = BIT(enbit), \
}, \
.vselon_reg = voselon, \
.modeset_reg = _modeset_reg, \
.modeset_mask = _modeset_mask, \
}
#define MT6380_LDO(match, vreg, ldo_volt_table, enreg, enbit, vosel, \
vosel_mask, _modeset_reg, _modeset_mask) \
[MT6380_ID_##vreg] = { \
.desc = { \
.name = #vreg, \
.of_match = of_match_ptr(match), \
.ops = &mt6380_volt_table_ops, \
.type = REGULATOR_VOLTAGE, \
.id = MT6380_ID_##vreg, \
.owner = THIS_MODULE, \
.n_voltages = ARRAY_SIZE(ldo_volt_table), \
.volt_table = ldo_volt_table, \
.vsel_reg = vosel, \
.vsel_mask = vosel_mask, \
.enable_reg = enreg, \
.enable_mask = BIT(enbit), \
}, \
.modeset_reg = _modeset_reg, \
.modeset_mask = _modeset_mask, \
}
#define MT6380_REG_FIXED(match, vreg, enreg, enbit, volt, \
_modeset_reg, _modeset_mask) \
[MT6380_ID_##vreg] = { \
.desc = { \
.name = #vreg, \
.of_match = of_match_ptr(match), \
.ops = &mt6380_volt_fixed_ops, \
.type = REGULATOR_VOLTAGE, \
.id = MT6380_ID_##vreg, \
.owner = THIS_MODULE, \
.n_voltages = 1, \
.enable_reg = enreg, \
.enable_mask = BIT(enbit), \
.min_uV = volt, \
}, \
.modeset_reg = _modeset_reg, \
.modeset_mask = _modeset_mask, \
}
static const struct regulator_linear_range buck_volt_range1[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 0xfe, 6250),
};
static const struct regulator_linear_range buck_volt_range2[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 0xfe, 6250),
};
static const struct regulator_linear_range buck_volt_range3[] = {
REGULATOR_LINEAR_RANGE(1200000, 0, 0x3c, 25000),
};
static const u32 ldo_volt_table1[] = {
1400000, 1350000, 1300000, 1250000, 1200000, 1150000, 1100000, 1050000,
};
static const u32 ldo_volt_table2[] = {
2200000, 3300000,
};
static const u32 ldo_volt_table3[] = {
1240000, 1390000, 1540000, 1840000,
};
static const u32 ldo_volt_table4[] = {
2200000, 3300000,
};
static int mt6380_regulator_set_mode(struct regulator_dev *rdev,
unsigned int mode)
{
int ret, val = 0;
struct mt6380_regulator_info *info = rdev_get_drvdata(rdev);
switch (mode) {
case REGULATOR_MODE_NORMAL:
val = MT6380_REGULATOR_MODE_AUTO;
break;
case REGULATOR_MODE_FAST:
val = MT6380_REGULATOR_MODE_FORCE_PWM;
break;
default:
return -EINVAL;
}
val <<= ffs(info->modeset_mask) - 1;
ret = regmap_update_bits(rdev->regmap, info->modeset_reg,
info->modeset_mask, val);
return ret;
}
static unsigned int mt6380_regulator_get_mode(struct regulator_dev *rdev)
{
unsigned int val;
unsigned int mode;
int ret;
struct mt6380_regulator_info *info = rdev_get_drvdata(rdev);
ret = regmap_read(rdev->regmap, info->modeset_reg, &val);
if (ret < 0)
return ret;
val &= info->modeset_mask;
val >>= ffs(info->modeset_mask) - 1;
switch (val) {
case MT6380_REGULATOR_MODE_AUTO:
mode = REGULATOR_MODE_NORMAL;
break;
case MT6380_REGULATOR_MODE_FORCE_PWM:
mode = REGULATOR_MODE_FAST;
break;
default:
return -EINVAL;
}
return mode;
}
static const struct regulator_ops mt6380_volt_range_ops = {
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_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,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.set_mode = mt6380_regulator_set_mode,
.get_mode = mt6380_regulator_get_mode,
};
static const struct regulator_ops mt6380_volt_table_ops = {
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_iterate,
.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,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.set_mode = mt6380_regulator_set_mode,
.get_mode = mt6380_regulator_get_mode,
};
static const struct regulator_ops mt6380_volt_fixed_ops = {
.list_voltage = regulator_list_voltage_linear,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.set_mode = mt6380_regulator_set_mode,
.get_mode = mt6380_regulator_get_mode,
};
/* The array is indexed by id(MT6380_ID_XXX) */
static struct mt6380_regulator_info mt6380_regulators[] = {
MT6380_BUCK("buck-vcore1", VCPU, 600000, 1393750, 6250,
buck_volt_range1, MT6380_ANA_CTRL_3, MT6380_ANA_CTRL_1,
0xfe, 3, MT6380_ANA_CTRL_1,
MT6380_CPUBUCK_CON_0, 0x8000000),
MT6380_BUCK("buck-vcore", VCORE, 600000, 1393750, 6250,
buck_volt_range2, MT6380_ANA_CTRL_3, MT6380_ANA_CTRL_2,
0xfe, 2, MT6380_ANA_CTRL_2, MT6380_SIDO_CON_0, 0x1000000),
MT6380_BUCK("buck-vrf", VRF, 1200000, 1575000, 25000,
buck_volt_range3, MT6380_ANA_CTRL_3, MT6380_SIDO_CON_0,
0x78, 1, MT6380_SIDO_CON_0, MT6380_SIDO_CON_0, 0x8000),
MT6380_LDO("ldo-vm", VMLDO, ldo_volt_table1, MT6380_LDO_CTRL_0,
1, MT6380_MLDO_CON_0, 0xE000, MT6380_ANA_CTRL_1, 0x4000000),
MT6380_LDO("ldo-va", VALDO, ldo_volt_table2, MT6380_LDO_CTRL_0,
2, MT6380_ALDO_CON_0, 0x400, MT6380_ALDO_CON_0, 0x20),
MT6380_REG_FIXED("ldo-vphy", VPHYLDO, MT6380_LDO_CTRL_0, 7, 1800000,
MT6380_PHYLDO_CON_0, 0x80),
MT6380_LDO("ldo-vddr", VDDRLDO, ldo_volt_table3, MT6380_LDO_CTRL_0,
8, MT6380_DDRLDO_CON_0, 0x3000, MT6380_DDRLDO_CON_0, 0x80),
MT6380_LDO("ldo-vt", VTLDO, ldo_volt_table4, MT6380_LDO_CTRL_0, 3,
MT6380_TLDO_CON_0, 0x400, MT6380_TLDO_CON_0, 0x20),
};
static int mt6380_regulator_probe(struct platform_device *pdev)
{
struct regmap *regmap = dev_get_regmap(pdev->dev.parent, NULL);
struct regulator_config config = {};
struct regulator_dev *rdev;
int i;
for (i = 0; i < MT6380_MAX_REGULATOR; i++) {
config.dev = &pdev->dev;
config.driver_data = &mt6380_regulators[i];
config.regmap = regmap;
rdev = devm_regulator_register(&pdev->dev,
&mt6380_regulators[i].desc,
&config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register %s\n",
mt6380_regulators[i].desc.name);
return PTR_ERR(rdev);
}
}
return 0;
}
static const struct platform_device_id mt6380_platform_ids[] = {
{"mt6380-regulator", 0},
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(platform, mt6380_platform_ids);
static const struct of_device_id mt6380_of_match[] = {
{ .compatible = "mediatek,mt6380-regulator", },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, mt6380_of_match);
static struct platform_driver mt6380_regulator_driver = {
.driver = {
.name = "mt6380-regulator",
.of_match_table = of_match_ptr(mt6380_of_match),
},
.probe = mt6380_regulator_probe,
.id_table = mt6380_platform_ids,
};
module_platform_driver(mt6380_regulator_driver);
MODULE_AUTHOR("Chenglin Xu <chenglin.xu@mediatek.com>");
MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6380 PMIC");
MODULE_LICENSE("GPL v2");

2
drivers/regulator/of_regulator.c
View File

@ -333,7 +333,7 @@ struct regulator_init_data *regulator_of_get_init_data(struct device *dev,
search = of_get_child_by_name(dev->of_node,
desc->regulators_node);
else
search = dev->of_node;
search = of_node_get(dev->of_node);
if (!search) {
dev_dbg(dev, "Failed to find regulator container node '%s'\n",

11
drivers/regulator/pv88090-regulator.c
View File

@ -43,7 +43,7 @@ enum {
struct pv88090_regulator {
struct regulator_desc desc;
/* Current limiting */
unsigned n_current_limits;
unsigned int n_current_limits;
const int *current_limits;
unsigned int limit_mask;
unsigned int conf;
@ -398,9 +398,14 @@ static int pv88090_i2c_probe(struct i2c_client *i2c,
return ret;
range = (range >>
(PV88080_BUCK_VRANGE_GAIN_SHIFT + i - 1)) &
PV88080_BUCK_VRANGE_GAIN_MASK;
(PV88090_BUCK_VRANGE_GAIN_SHIFT + i - 1)) &
PV88090_BUCK_VRANGE_GAIN_MASK;
index = ((range << 1) | conf2);
if (index > PV88090_ID_BUCK3) {
dev_err(chip->dev,
"Invalid index(%d)\n", index);
return -EINVAL;
}
pv88090_regulator_info[i].desc.min_uV
= pv88090_buck_vol[index].min_uV;

8
drivers/regulator/pv88090-regulator.h
View File

@ -89,10 +89,10 @@
#define PV88090_BUCK_VDAC_RANGE_2 0x01
/* PV88090_REG_BUCK_FOLD_RANGE (addr=0x61) */
#define PV88080_BUCK_VRANGE_GAIN_SHIFT 3
#define PV88080_BUCK_VRANGE_GAIN_MASK 0x01
#define PV88090_BUCK_VRANGE_GAIN_SHIFT 3
#define PV88090_BUCK_VRANGE_GAIN_MASK 0x01
#define PV88080_BUCK_VRANGE_GAIN_1 0x00
#define PV88080_BUCK_VRANGE_GAIN_2 0x01
#define PV88090_BUCK_VRANGE_GAIN_1 0x00
#define PV88090_BUCK_VRANGE_GAIN_2 0x01
#endif /* __PV88090_REGISTERS_H__ */

6
drivers/regulator/pwm-regulator.c
View File

@ -122,8 +122,7 @@ static int pwm_regulator_enable(struct regulator_dev *dev)
{
struct pwm_regulator_data *drvdata = rdev_get_drvdata(dev);
if (drvdata->enb_gpio)
gpiod_set_value_cansleep(drvdata->enb_gpio, 1);
gpiod_set_value_cansleep(drvdata->enb_gpio, 1);
return pwm_enable(drvdata->pwm);
}
@ -134,8 +133,7 @@ static int pwm_regulator_disable(struct regulator_dev *dev)
pwm_disable(drvdata->pwm);
if (drvdata->enb_gpio)
gpiod_set_value_cansleep(drvdata->enb_gpio, 0);
gpiod_set_value_cansleep(drvdata->enb_gpio, 0);
return 0;
}

5
drivers/regulator/qcom_rpm-regulator.c
View File

@ -959,6 +959,11 @@ static int rpm_reg_probe(struct platform_device *pdev)
}
match = of_match_device(rpm_of_match, &pdev->dev);
if (!match) {
dev_err(&pdev->dev, "failed to match device\n");
return -ENODEV;
}
for (reg = match->data; reg->name; reg++) {
vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
if (!vreg)

5
drivers/regulator/qcom_smd-regulator.c
View File

@ -570,6 +570,11 @@ static int rpm_reg_probe(struct platform_device *pdev)
}
match = of_match_device(rpm_of_match, &pdev->dev);
if (!match) {
dev_err(&pdev->dev, "failed to match device\n");
return -ENODEV;
}
for (reg = match->data; reg->name; reg++) {
vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
if (!vreg)

35
drivers/regulator/rn5t618-regulator.c
View File

@ -79,6 +79,29 @@ static struct regulator_desc rn5t618_regulators[] = {
REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
};
static struct regulator_desc rc5t619_regulators[] = {
/* DCDC */
REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),
REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),
REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500),
REG(DCDC5, DC5CTL, BIT(0), DC5DAC, 0xff, 600000, 3500000, 12500),
/* LDO */
REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),
REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),
REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 900000, 3500000, 25000),
REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 600000, 3500000, 25000),
REG(LDO6, LDOEN1, BIT(5), LDO6DAC, 0x7f, 600000, 3500000, 25000),
REG(LDO7, LDOEN1, BIT(6), LDO7DAC, 0x7f, 900000, 3500000, 25000),
REG(LDO8, LDOEN1, BIT(7), LDO8DAC, 0x7f, 900000, 3500000, 25000),
REG(LDO9, LDOEN2, BIT(0), LDO9DAC, 0x7f, 900000, 3500000, 25000),
REG(LDO10, LDOEN2, BIT(0), LDO10DAC, 0x7f, 900000, 3500000, 25000),
/* LDO RTC */
REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1700000, 3500000, 25000),
REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
};
static int rn5t618_regulator_probe(struct platform_device *pdev)
{
struct rn5t618 *rn5t618 = dev_get_drvdata(pdev->dev.parent);
@ -86,13 +109,20 @@ static int rn5t618_regulator_probe(struct platform_device *pdev)
struct regulator_dev *rdev;
struct regulator_desc *regulators;
int i;
int num_regulators = 0;
switch (rn5t618->variant) {
case RN5T567:
regulators = rn5t567_regulators;
num_regulators = ARRAY_SIZE(rn5t567_regulators);
break;
case RN5T618:
regulators = rn5t618_regulators;
num_regulators = ARRAY_SIZE(rn5t618_regulators);
break;
case RC5T619:
regulators = rc5t619_regulators;
num_regulators = ARRAY_SIZE(rc5t619_regulators);
break;
default:
return -EINVAL;
@ -101,10 +131,7 @@ static int rn5t618_regulator_probe(struct platform_device *pdev)
config.dev = pdev->dev.parent;
config.regmap = rn5t618->regmap;
for (i = 0; i < RN5T618_REG_NUM; i++) {
if (!regulators[i].name)
continue;
for (i = 0; i < num_regulators; i++) {
rdev = devm_regulator_register(&pdev->dev,
&regulators[i],
&config);

4
drivers/regulator/s5m8767.c
View File

@ -590,8 +590,8 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
if (of_property_read_u32(reg_np, "op_mode",
&rmode->mode)) {
dev_warn(iodev->dev,
"no op_mode property property at %s\n",
reg_np->full_name);
"no op_mode property property at %pOF\n",
reg_np);
rmode->mode = S5M8767_OPMODE_NORMAL_MODE;
}

202
drivers/regulator/stm32-vrefbuf.c Normal file
View File

@ -0,0 +1,202 @@
/*
* Copyright (C) STMicroelectronics 2017
*
* Author: Fabrice Gasnier <fabrice.gasnier@st.com>
*
* License terms: GNU General Public License (GPL), version 2
*/
#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
/* STM32 VREFBUF registers */
#define STM32_VREFBUF_CSR 0x00
/* STM32 VREFBUF CSR bitfields */
#define STM32_VRS GENMASK(6, 4)
#define STM32_VRR BIT(3)
#define STM32_HIZ BIT(1)
#define STM32_ENVR BIT(0)
struct stm32_vrefbuf {
void __iomem *base;
struct clk *clk;
};
static const unsigned int stm32_vrefbuf_voltages[] = {
/* Matches resp. VRS = 000b, 001b, 010b, 011b */
2500000, 2048000, 1800000, 1500000,
};
static int stm32_vrefbuf_enable(struct regulator_dev *rdev)
{
struct stm32_vrefbuf *priv = rdev_get_drvdata(rdev);
u32 val = readl_relaxed(priv->base + STM32_VREFBUF_CSR);
int ret;
val = (val & ~STM32_HIZ) | STM32_ENVR;
writel_relaxed(val, priv->base + STM32_VREFBUF_CSR);
/*
* Vrefbuf startup time depends on external capacitor: wait here for
* VRR to be set. That means output has reached expected value.
* ~650us sleep should be enough for caps up to 1.5uF. Use 10ms as
* arbitrary timeout.
*/
ret = readl_poll_timeout(priv->base + STM32_VREFBUF_CSR, val,
!(val & STM32_VRR), 650, 10000);
if (ret) {
dev_err(&rdev->dev, "stm32 vrefbuf timed out!\n");
val = readl_relaxed(priv->base + STM32_VREFBUF_CSR);
val = (val & ~STM32_ENVR) | STM32_HIZ;
writel_relaxed(val, priv->base + STM32_VREFBUF_CSR);
}
return ret;
}
static int stm32_vrefbuf_disable(struct regulator_dev *rdev)
{
struct stm32_vrefbuf *priv = rdev_get_drvdata(rdev);
u32 val = readl_relaxed(priv->base + STM32_VREFBUF_CSR);
val = (val & ~STM32_ENVR) | STM32_HIZ;
writel_relaxed(val, priv->base + STM32_VREFBUF_CSR);
return 0;
}
static int stm32_vrefbuf_is_enabled(struct regulator_dev *rdev)
{
struct stm32_vrefbuf *priv = rdev_get_drvdata(rdev);
return readl_relaxed(priv->base + STM32_VREFBUF_CSR) & STM32_ENVR;
}
static int stm32_vrefbuf_set_voltage_sel(struct regulator_dev *rdev,
unsigned sel)
{
struct stm32_vrefbuf *priv = rdev_get_drvdata(rdev);
u32 val = readl_relaxed(priv->base + STM32_VREFBUF_CSR);
val = (val & ~STM32_VRS) | FIELD_PREP(STM32_VRS, sel);
writel_relaxed(val, priv->base + STM32_VREFBUF_CSR);
return 0;
}
static int stm32_vrefbuf_get_voltage_sel(struct regulator_dev *rdev)
{
struct stm32_vrefbuf *priv = rdev_get_drvdata(rdev);
u32 val = readl_relaxed(priv->base + STM32_VREFBUF_CSR);
return FIELD_GET(STM32_VRS, val);
}
static const struct regulator_ops stm32_vrefbuf_volt_ops = {
.enable = stm32_vrefbuf_enable,
.disable = stm32_vrefbuf_disable,
.is_enabled = stm32_vrefbuf_is_enabled,
.get_voltage_sel = stm32_vrefbuf_get_voltage_sel,
.set_voltage_sel = stm32_vrefbuf_set_voltage_sel,
.list_voltage = regulator_list_voltage_table,
};
static const struct regulator_desc stm32_vrefbuf_regu = {
.name = "vref",
.supply_name = "vdda",
.volt_table = stm32_vrefbuf_voltages,
.n_voltages = ARRAY_SIZE(stm32_vrefbuf_voltages),
.ops = &stm32_vrefbuf_volt_ops,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
};
static int stm32_vrefbuf_probe(struct platform_device *pdev)
{
struct resource *res;
struct stm32_vrefbuf *priv;
struct regulator_config config = { };
struct regulator_dev *rdev;
int ret;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(priv->base))
return PTR_ERR(priv->base);
priv->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(priv->clk))
return PTR_ERR(priv->clk);
ret = clk_prepare_enable(priv->clk);
if (ret) {
dev_err(&pdev->dev, "clk prepare failed with error %d\n", ret);
return ret;
}
config.dev = &pdev->dev;
config.driver_data = priv;
config.of_node = pdev->dev.of_node;
config.init_data = of_get_regulator_init_data(&pdev->dev,
pdev->dev.of_node,
&stm32_vrefbuf_regu);
rdev = regulator_register(&stm32_vrefbuf_regu, &config);
if (IS_ERR(rdev)) {
ret = PTR_ERR(rdev);
dev_err(&pdev->dev, "register failed with error %d\n", ret);
goto err_clk_dis;
}
platform_set_drvdata(pdev, rdev);
return 0;
err_clk_dis:
clk_disable_unprepare(priv->clk);
return ret;
}
static int stm32_vrefbuf_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
struct stm32_vrefbuf *priv = rdev_get_drvdata(rdev);
regulator_unregister(rdev);
clk_disable_unprepare(priv->clk);
return 0;
};
static const struct of_device_id stm32_vrefbuf_of_match[] = {
{ .compatible = "st,stm32-vrefbuf", },
{},
};
MODULE_DEVICE_TABLE(of, stm32_vrefbuf_of_match);
static struct platform_driver stm32_vrefbuf_driver = {
.probe = stm32_vrefbuf_probe,
.remove = stm32_vrefbuf_remove,
.driver = {
.name = "stm32-vrefbuf",
.of_match_table = of_match_ptr(stm32_vrefbuf_of_match),
},
};
module_platform_driver(stm32_vrefbuf_driver);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Fabrice Gasnier <fabrice.gasnier@st.com>");
MODULE_DESCRIPTION("STMicroelectronics STM32 VREFBUF driver");
MODULE_ALIAS("platform:stm32-vrefbuf");

4
drivers/reset/reset-socfpga.c
View File

@ -109,8 +109,8 @@ static int socfpga_reset_probe(struct platform_device *pdev)
* Do not continue, when we encounter an old DT.
*/
if (!of_find_property(pdev->dev.of_node, "#reset-cells", NULL)) {
dev_err(&pdev->dev, "%s missing #reset-cells property\n",
pdev->dev.of_node->full_name);
dev_err(&pdev->dev, "%pOF missing #reset-cells property\n",
pdev->dev.of_node);
return -EINVAL;
}

6
include/linux/mfd/rn5t618.h
View File

@ -226,11 +226,17 @@ enum {
RN5T618_DCDC2,
RN5T618_DCDC3,
RN5T618_DCDC4,
RN5T618_DCDC5,
RN5T618_LDO1,
RN5T618_LDO2,
RN5T618_LDO3,
RN5T618_LDO4,
RN5T618_LDO5,
RN5T618_LDO6,
RN5T618_LDO7,
RN5T618_LDO8,
RN5T618_LDO9,
RN5T618_LDO10,
RN5T618_LDORTC1,
RN5T618_LDORTC2,
RN5T618_REG_NUM,

32
include/linux/regulator/mt6380-regulator.h Normal file
View File

@ -0,0 +1,32 @@
/*
* Copyright (c) 2017 MediaTek Inc.
* Author: Chenglin Xu <chenglin.xu@mediatek.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __LINUX_REGULATOR_mt6380_H
#define __LINUX_REGULATOR_mt6380_H
enum {
MT6380_ID_VCPU = 0,
MT6380_ID_VCORE,
MT6380_ID_VRF,
MT6380_ID_VMLDO,
MT6380_ID_VALDO,
MT6380_ID_VPHYLDO,
MT6380_ID_VDDRLDO,
MT6380_ID_VTLDO,
MT6380_ID_RG_MAX,
};
#define MT6380_MAX_REGULATOR MT6380_ID_RG_MAX
#endif /* __LINUX_REGULATOR_mt6380_H */