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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
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38
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Marvell 88PM800 regulator
Required properties:
- compatible: "marvell,88pm800"
- reg: I2C slave address
- regulators: A node that houses a sub-node for each regulator within the
device. Each sub-node is identified using the node's name (or the deprecated
regulator-compatible property if present), with valid values listed below.
The content of each sub-node is defined by the standard binding for
regulators; see regulator.txt.
The valid names for regulators are:
buck1, buck2, buck3, buck4, buck5, ldo1, ldo2, ldo3, ldo4, ldo5, ldo6, ldo7,
ldo8, ldo9, ldo10, ldo11, ldo12, ldo13, ldo14, ldo15, ldo16, ldo17, ldo18, ldo19
Example:
pmic: 88pm800@31 {
compatible = "marvell,88pm800";
reg = <0x31>;
regulators {
buck1 {
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <3950000>;
regulator-boot-on;
regulator-always-on;
};
ldo1 {
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <15000000>;
regulator-boot-on;
regulator-always-on;
};
...
};
};

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Marvell 88PM860x regulator
Required properties:
- compatible: "marvell,88pm860x"
- reg: I2C slave address
- regulators: A node that houses a sub-node for each regulator within the
device. Each sub-node is identified using the regulator-compatible
property, with valid values listed below.
Example:
pmic: 88pm860x@34 {
compatible = "marvell,88pm860x";
reg = <0x34>;
regulators {
BUCK1 {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
regulator-always-on;
};
BUCK3 {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3000000>;
regulator-boot-on;
regulator-always-on;
};
};
};

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ACT88xx regulators
-------------------
Required properties:
- compatible: "active-semi,act8846" or "active-semi,act8865"
- reg: I2C slave address
Any standard regulator properties can be used to configure the single regulator.
The valid names for regulators are:
- for act8846:
REG1, REG2, REG3, REG4, REG5, REG6, REG7, REG8, REG9, REG10, REG11, REG12
- for act8865:
DCDC_REG1, DCDC_REG2, DCDC_REG3, LDO_REG1, LDO_REG2, LDO_REG3, LDO_REG4.
Example:
--------
i2c1: i2c@f0018000 {
pmic: act8865@5b {
compatible = "active-semi,act8865";
reg = <0x5b>;
status = "disabled";
regulators {
vcc_1v8_reg: DCDC_REG1 {
regulator-name = "VCC_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
vcc_1v2_reg: DCDC_REG2 {
regulator-name = "VCC_1V2";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1300000>;
regulator-suspend-mem-microvolt = <1150000>;
regulator-suspend-standby-microvolt = <1150000>;
regulator-always-on;
};
vcc_3v3_reg: DCDC_REG3 {
regulator-name = "VCC_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vddana_reg: LDO_REG1 {
regulator-name = "VDDANA";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vddfuse_reg: LDO_REG2 {
regulator-name = "FUSE_2V5";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
};
};
};
};

37
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Anatop Voltage regulators
Required properties:
- compatible: Must be "fsl,anatop-regulator"
- anatop-reg-offset: Anatop MFD register offset
- anatop-vol-bit-shift: Bit shift for the register
- anatop-vol-bit-width: Number of bits used in the register
- anatop-min-bit-val: Minimum value of this register
- anatop-min-voltage: Minimum voltage of this regulator
- anatop-max-voltage: Maximum voltage of this regulator
Optional properties:
- anatop-delay-reg-offset: Anatop MFD step time register offset
- anatop-delay-bit-shift: Bit shift for the step time register
- anatop-delay-bit-width: Number of bits used in the step time register
Any property defined as part of the core regulator
binding, defined in regulator.txt, can also be used.
Example:
regulator-vddpu {
compatible = "fsl,anatop-regulator";
regulator-name = "vddpu";
regulator-min-microvolt = <725000>;
regulator-max-microvolt = <1300000>;
regulator-always-on;
anatop-reg-offset = <0x140>;
anatop-vol-bit-shift = <9>;
anatop-vol-bit-width = <5>;
anatop-delay-reg-offset = <0x170>;
anatop-delay-bit-shift = <24>;
anatop-delay-bit-width = <2>;
anatop-min-bit-val = <1>;
anatop-min-voltage = <725000>;
anatop-max-voltage = <1300000>;
};

91
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Regulator of AMS AS3722 PMIC.
Name of the regulator subnode must be "regulators".
Optional properties:
--------------------
The input supply of regulators are the optional properties on the
regulator node. The AS3722 is having 7 DCDC step-down regulators as
sd[0-6], 10 LDOs as ldo[0-7], ldo[9-11]. The input supply of these
regulators are provided through following properties:
vsup-sd2-supply: Input supply for SD2.
vsup-sd3-supply: Input supply for SD3.
vsup-sd4-supply: Input supply for SD4.
vsup-sd5-supply: Input supply for SD5.
vin-ldo0-supply: Input supply for LDO0.
vin-ldo1-6-supply: Input supply for LDO1 and LDO6.
vin-ldo2-5-7-supply: Input supply for LDO2, LDO5 and LDO7.
vin-ldo3-4-supply: Input supply for LDO3 and LDO4.
vin-ldo9-10-supply: Input supply for LDO9 and LDO10.
vin-ldo11-supply: Input supply for LDO11.
Optional nodes:
--------------
- regulators : Must contain a sub-node per regulator from the list below.
Each sub-node should contain the constraints and initialization
information for that regulator. See regulator.txt for a
description of standard properties for these sub-nodes.
Additional custom properties are listed below.
sd[0-6], ldo[0-7], ldo[9-11].
Optional sub-node properties:
----------------------------
ams,ext-control: External control of the rail. The option of
this properties will tell which external input is
controlling this rail. Valid values are 0, 1, 2 ad 3.
0: There is no external control of this rail.
1: Rail is controlled by ENABLE1 input pin.
2: Rail is controlled by ENABLE2 input pin.
3: Rail is controlled by ENABLE3 input pin.
ams,enable-tracking: Enable tracking with SD1, only supported
by LDO3.
Example:
-------
ams3722: ams3722 {
compatible = "ams,as3722";
reg = <0x40>;
...
regulators {
vsup-sd2-supply = <...>;
...
sd0 {
regulator-name = "vdd_cpu";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
ams,ext-control = <2>;
};
sd1 {
regulator-name = "vdd_core";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
ams,ext-control = <1>;
};
sd2 {
regulator-name = "vddio_ddr";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
};
sd4 {
regulator-name = "avdd-hdmi-pex";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-always-on;
};
sd5 {
regulator-name = "vdd-1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
....
};
};

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* Dialog Semiconductor DA9210 Voltage Regulator
Required properties:
- compatible: must be "dlg,da9210"
- reg: the i2c slave address of the regulator. It should be 0x68.
Any standard regulator properties can be used to configure the single da9210
DCDC.
Example:
da9210@68 {
compatible = "dlg,da9210";
reg = <0x68>;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1000000>;
regulator-boot-on;
regulator-always-on;
};

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* Dialog Semiconductor DA9211/DA9213 Voltage Regulator
Required properties:
- compatible: "dlg,da9211" or "dlg,da9213".
- reg: I2C slave address, usually 0x68.
- interrupts: the interrupt outputs of the controller
- regulators: A node that houses a sub-node for each regulator within the
device. Each sub-node is identified using the node's name, with valid
values listed below. The content of each sub-node is defined by the
standard binding for regulators; see regulator.txt.
BUCKA and BUCKB.
Optional properties:
- Any optional property defined in regulator.txt
Example 1) DA9211
pmic: da9211@68 {
compatible = "dlg,da9211";
reg = <0x68>;
interrupts = <3 27>;
regulators {
BUCKA {
regulator-name = "VBUCKA";
regulator-min-microvolt = < 300000>;
regulator-max-microvolt = <1570000>;
regulator-min-microamp = <2000000>;
regulator-max-microamp = <5000000>;
};
BUCKB {
regulator-name = "VBUCKB";
regulator-min-microvolt = < 300000>;
regulator-max-microvolt = <1570000>;
regulator-min-microamp = <2000000>;
regulator-max-microamp = <5000000>;
};
};
};
Example 2) DA92113
pmic: da9213@68 {
compatible = "dlg,da9213";
reg = <0x68>;
interrupts = <3 27>;
regulators {
BUCKA {
regulator-name = "VBUCKA";
regulator-min-microvolt = < 300000>;
regulator-max-microvolt = <1570000>;
regulator-min-microamp = <3000000>;
regulator-max-microamp = <6000000>;
};
BUCKB {
regulator-name = "VBUCKB";
regulator-min-microvolt = < 300000>;
regulator-max-microvolt = <1570000>;
regulator-min-microamp = <3000000>;
regulator-max-microamp = <6000000>;
};
};
};

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Binding for Fairchild FAN53555 regulators
Required properties:
- compatible: one of "fcs,fan53555", "silergy,syr827", "silergy,syr828"
- reg: I2C address
Optional properties:
- fcs,suspend-voltage-selector: declare which of the two available
voltage selector registers should be used for the suspend
voltage. The other one is used for the runtime voltage setting
Possible values are either <0> or <1>
- vin-supply: regulator supplying the vin pin
Example:
regulator@40 {
compatible = "fcs,fan53555";
regulator-name = "fan53555";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&parent_reg>;
fcs,suspend-voltage-selector = <1>;
};

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Fixed Voltage regulators
Required properties:
- compatible: Must be "regulator-fixed";
Optional properties:
- gpio: gpio to use for enable control
- startup-delay-us: startup time in microseconds
- enable-active-high: Polarity of GPIO is Active high
If this property is missing, the default assumed is Active low.
- gpio-open-drain: GPIO is open drain type.
If this property is missing then default assumption is false.
-vin-supply: Input supply name.
Any property defined as part of the core regulator
binding, defined in regulator.txt, can also be used.
However a fixed voltage regulator is expected to have the
regulator-min-microvolt and regulator-max-microvolt
to be the same.
Example:
abc: fixedregulator@0 {
compatible = "regulator-fixed";
regulator-name = "fixed-supply";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
gpio = <&gpio1 16 0>;
startup-delay-us = <70000>;
enable-active-high;
regulator-boot-on;
gpio-open-drain;
vin-supply = <&parent_reg>;
};

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GPIO controlled regulators
Required properties:
- compatible : Must be "regulator-gpio".
- states : Selection of available voltages and GPIO configs.
if there are no states, then use a fixed regulator
Optional properties:
- enable-gpio : GPIO to use to enable/disable the regulator.
- gpios : GPIO group used to control voltage.
- gpios-states : gpios pin's initial states array. 0: LOW, 1: HIGH.
defualt is LOW if nothing is specified.
- startup-delay-us : Startup time in microseconds.
- enable-active-high : Polarity of GPIO is active high (default is low).
- regulator-type : Specifies what is being regulated, must be either
"voltage" or "current", defaults to current.
Any property defined as part of the core regulator binding defined in
regulator.txt can also be used.
Example:
mmciv: gpio-regulator {
compatible = "regulator-gpio";
regulator-name = "mmci-gpio-supply";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2600000>;
regulator-boot-on;
enable-gpio = <&gpio0 23 0x4>;
gpios = <&gpio0 24 0x4
&gpio0 25 0x4>;
states = <1800000 0x3
2200000 0x2
2600000 0x1
2900000 0x0>;
startup-delay-us = <100000>;
enable-active-high;
};

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Intersil ISL9305/ISL9305H voltage regulator
Required properties:
- compatible: "isl,isl9305" or "isl,isl9305h"
- reg: I2C slave address, usually 0x68.
- regulators: A node that houses a sub-node for each regulator within the
device. Each sub-node is identified using the node's name, with valid
values being "dcd1", "dcd2", "ldo1" and "ldo2". The content of each sub-node
is defined by the standard binding for regulators; see regulator.txt.
- VINDCD1-supply: A phandle to a regulator node supplying VINDCD1.
VINDCD2-supply: A phandle to a regulator node supplying VINDCD2.
VINLDO1-supply: A phandle to a regulator node supplying VINLDO1.
VINLDO2-supply: A phandle to a regulator node supplying VINLDO2.
Optional properties:
- Per-regulator optional properties are defined in regulator.txt
Example
pmic: isl9305@68 {
compatible = "isl,isl9305";
reg = <0x68>;
VINDCD1-supply = <&system_power>;
VINDCD2-supply = <&system_power>;
VINLDO1-supply = <&system_power>;
VINLDO2-supply = <&system_power>;
regulators {
dcd1 {
regulator-name = "VDD_DSP";
regulator-always-on;
};
};
};

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Binding for TI/National Semiconductor LP872x Driver
Required properties:
- compatible: "ti,lp8720" or "ti,lp8725"
- reg: I2C slave address. 0x7d = LP8720, 0x7a = LP8725
Optional properties:
- ti,general-config: the value of LP872X_GENERAL_CFG register (u8)
(LP8720)
bit[2]: BUCK output voltage control by external DVS pin or register
1 = external pin, 0 = bit7 of register 08h
bit[1]: sleep control by external DVS pin or register
1 = external pin, 0 = bit6 of register 08h
bit[0]: time step unit(usec). 1 = 25, 0 = 50
(LP8725)
bit[7:6]: time step unit(usec). 00 = 32, 01 = 64, 10 = 128, 11 = 256
bit[4]: BUCK2 enable control. 1 = enable, 0 = disable
bit[3]: BUCK2 output voltage register address. 1 = 0Ah, 0 = 0Bh
bit[2]: BUCK1 output voltage control by external DVS pin or register
1 = register 08h, 0 = DVS
bit[1]: LDO sleep control. 1 = sleep mode, 0 = normal
bit[0]: BUCK1 enable control, 1 = enable, 0 = disable
For more details, please see the datasheet.
- ti,update-config: define it when LP872X_GENERAL_CFG register should be set
- ti,dvs-gpio: GPIO specifier for external DVS pin control of LP872x devices.
- ti,dvs-vsel: DVS selector. 0 = SEL_V1, 1 = SEL_V2.
- ti,dvs-state: initial DVS pin state. 0 = DVS_LOW, 1 = DVS_HIGH.
Sub nodes for regulator_init_data
LP8720 has maximum 6 nodes. (child name: ldo1 ~ 5 and buck)
LP8725 has maximum 9 nodes. (child name: ldo1 ~ 5, lilo1,2 and buck1,2)
For more details, please see the following binding document.
(Documentation/devicetree/bindings/regulator/regulator.txt)
Datasheet
- LP8720: http://www.ti.com/lit/ds/symlink/lp8720.pdf
- LP8725: http://www.ti.com/lit/ds/symlink/lp8725.pdf
Example 1) LP8720
lp8720@7d {
compatible = "ti,lp8720";
reg = <0x7d>;
/* external DVS pin used, timestep is 25usec */
ti,general-config = /bits/ 8 <0x03>;
ti,update-config;
/*
* The dvs-gpio depends on the processor environment.
* For example, following GPIO specifier means GPIO134 in OMAP4.
*/
ti,dvs-gpio = <&gpio5 6 0>;
ti,dvs-vsel = /bits/ 8 <1>; /* SEL_V2 */
ti,dvs-state = /bits/ 8 <1>; /* DVS_HIGH */
vaf: ldo1 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
};
vmmc: ldo2 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
};
vcam_io: ldo3 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
};
vcam_core: ldo4 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <2850000>;
regulator-boot-on;
};
vcam: ldo5 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
};
vcc: buck {
regulator-name = "VBUCK";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <2300000>;
};
};
Example 2) LP8725
lp8725@7a {
compatible = "ti,lp8725";
reg = <0x7a>;
/* Enable BUCK1,2, no DVS, normal LDO mode, timestep is 256usec */
ti,general-config = /bits/ 8 <0xdd>;
ti,update-config;
vcam_io: ldo1 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
};
vcam_core: ldo2 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
};
vcam: ldo3 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
};
vcmmb_io: ldo4 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
};
vcmmb_core: ldo5 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
};
vaux1: lilo1 {
regulator-name = "VAUX1";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
};
vaux2: lilo2 {
regulator-name = "VAUX2";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
};
vcc1: buck1 {
regulator-name = "VBUCK1";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3000000>;
regulator-min-microamp = <460000>;
regulator-max-microamp = <1370000>;
regulator-boot-on;
};
vcc2: buck2 {
regulator-name = "VBUCK2";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3000000>;
regulator-min-microamp = <460000>;
regulator-max-microamp = <1370000>;
regulator-boot-on;
};
};

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Linear Technology LTC3589, LTC3589-1, and LTC3589-2 8-output regulators
Required properties:
- compatible: "lltc,ltc3589", "lltc,ltc3589-1" or "lltc,ltc3589-2"
- reg: I2C slave address
Required child node:
- regulators: Contains eight regulator child nodes sw1, sw2, sw3, bb-out,
ldo1, ldo2, ldo3, and ldo4, specifying the initialization data as
documented in Documentation/devicetree/bindings/regulator/regulator.txt.
Each regulator is defined using the standard binding for regulators. The
nodes for sw1, sw2, sw3, bb-out, ldo1, and ldo2 additionally need to specify
the resistor values of their external feedback voltage dividers:
Required properties (not on ldo3, ldo4):
- lltc,fb-voltage-divider: An array of two integers containing the resistor
values R1 and R2 of the feedback voltage divider in ohms.
Regulators sw1, sw2, sw3, and ldo2 can regulate the feedback reference from
0.3625 V to 0.75 V in 12.5 mV steps. The output voltage thus ranges between
0.3625 * (1 + R1/R2) V and 0.75 * (1 + R1/R2) V. Regulators bb-out and ldo1
have a fixed 0.8 V reference and thus output 0.8 * (1 + R1/R2) V. The ldo3
regulator is fixed to 1.8 V on LTC3589 and to 2.8 V on LTC3589-1,2. The ldo4
regulator can output between 1.8 V and 3.3 V on LTC3589 and between 1.2 V
and 3.2 V on LTC3589-1,2 in four steps. The ldo1 standby regulator can not
be disabled and thus should have the regulator-always-on property set.
Example:
ltc3589: pmic@34 {
compatible = "lltc,ltc3589-1";
reg = <0x34>;
regulators {
sw1_reg: sw1 {
regulator-min-microvolt = <591930>;
regulator-max-microvolt = <1224671>;
lltc,fb-voltage-divider = <100000 158000>;
regulator-ramp-delay = <7000>;
regulator-boot-on;
regulator-always-on;
};
sw2_reg: sw2 {
regulator-min-microvolt = <704123>;
regulator-max-microvolt = <1456803>;
lltc,fb-voltage-divider = <180000 191000>;
regulator-ramp-delay = <7000>;
regulator-boot-on;
regulator-always-on;
};
sw3_reg: sw3 {
regulator-min-microvolt = <1341250>;
regulator-max-microvolt = <2775000>;
lltc,fb-voltage-divider = <270000 100000>;
regulator-ramp-delay = <7000>;
regulator-boot-on;
regulator-always-on;
};
bb_out_reg: bb-out {
regulator-min-microvolt = <3387341>;
regulator-max-microvolt = <3387341>;
lltc,fb-voltage-divider = <511000 158000>;
regulator-boot-on;
regulator-always-on;
};
ldo1_reg: ldo1 {
regulator-min-microvolt = <1306329>;
regulator-max-microvolt = <1306329>;
lltc,fb-voltage-divider = <100000 158000>;
regulator-boot-on;
regulator-always-on;
};
ldo2_reg: ldo2 {
regulator-min-microvolt = <704123>;
regulator-max-microvolt = <1456806>;
lltc,fb-voltage-divider = <180000 191000>;
regulator-ramp-delay = <7000>;
regulator-boot-on;
regulator-always-on;
};
ldo3_reg: ldo3 {
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-boot-on;
};
ldo4_reg: ldo4 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3200000>;
};
};
};

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Maxim MAX1586 voltage regulator
Required properties:
- compatible: must be "maxim,max1586"
- reg: I2C slave address, usually 0x14
- v3-gain: integer specifying the V3 gain as per datasheet
(1 + R24/R25 + R24/185.5kOhm)
- any required generic properties defined in regulator.txt
Example:
i2c_master {
max1586@14 {
compatible = "maxim,max1586";
reg = <0x14>;
v3-gain = <1000000>;
regulators {
vcc_core: v3 {
regulator-name = "vcc_core";
regulator-compatible = "Output_V3";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1705000>;
regulator-always-on;
};
};
};
};

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Binding for Maxim MAX77802 regulators
This is a part of device tree bindings of MAX77802 multi-function device.
More information can be found in bindings/mfd/max77802.txt file.
The MAX77802 PMIC has 10 high-efficiency Buck and 32 Low-dropout (LDO)
regulators that can be controlled over I2C.
Following properties should be present in main device node of the MFD chip.
Optional node:
- regulators : The regulators of max77802 have to be instantiated
under subnode named "regulators" using the following format.
regulator-name {
standard regulator constraints....
};
refer Documentation/devicetree/bindings/regulator/regulator.txt
The regulator node name should be initialized with a string to get matched
with their hardware counterparts as follow. The valid names are:
-LDOn : for LDOs, where n can lie in ranges 1-15, 17-21, 23-30
and 32-35.
example: LDO1, LDO2, LDO35.
-BUCKn : for BUCKs, where n can lie in range 1 to 10.
example: BUCK1, BUCK5, BUCK10.
Example:
max77802@09 {
compatible = "maxim,max77802";
interrupt-parent = <&wakeup_eint>;
interrupts = <26 0>;
reg = <0x09>;
#address-cells = <1>;
#size-cells = <0>;
regulators {
ldo11_reg: LDO11 {
regulator-name = "vdd_ldo11";
regulator-min-microvolt = <1900000>;
regulator-max-microvolt = <1900000>;
regulator-always-on;
};
buck1_reg: BUCK1 {
regulator-name = "vdd_mif";
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <1300000>;
regulator-always-on;
regulator-boot-on;
};
};

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Maxim MAX8660 voltage regulator
Required properties:
- compatible: must be one of "maxim,max8660", "maxim,max8661"
- reg: I2C slave address, usually 0x34
- any required generic properties defined in regulator.txt
Example:
i2c_master {
max8660@34 {
compatible = "maxim,max8660";
reg = <0x34>;
regulators {
regulator@0 {
regulator-compatible= "V3(DCDC)";
regulator-min-microvolt = <725000>;
regulator-max-microvolt = <1800000>;
};
regulator@1 {
regulator-compatible= "V4(DCDC)";
regulator-min-microvolt = <725000>;
regulator-max-microvolt = <1800000>;
};
regulator@2 {
regulator-compatible= "V5(LDO)";
regulator-min-microvolt = <1700000>;
regulator-max-microvolt = <2000000>;
};
regulator@3 {
regulator-compatible= "V6(LDO)";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
regulator@4 {
regulator-compatible= "V7(LDO)";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
};
};
};

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MAX8907 regulator
Required properties:
- compatible: "maxim,max8907"
- reg: I2C slave address
- interrupts: The interrupt output of the controller
- mbatt-supply: The input supply for MBATT, BBAT, SDBY, VRTC.
- in-v1-supply: The input supply for SD1.
- in-v2-supply: The input supply for SD2.
- in-v3-supply: The input supply for SD3.
- in1-supply: The input supply for LDO1.
...
- in20-supply: The input supply for LDO20.
- regulators: A node that houses a sub-node for each regulator within the
device. Each sub-node is identified using the node's name (or the deprecated
regulator-compatible property if present), with valid values listed below.
The content of each sub-node is defined by the standard binding for
regulators; see regulator.txt.
Optional properties:
- maxim,system-power-controller: Boolean property indicating that the PMIC
controls the overall system power.
The valid names for regulators are:
sd1, sd2, sd3, ldo1, ldo2, ldo3, ldo4, ldo5, ldo6, ldo7, ldo8, ldo9, ldo10,
ldo11, ldo12, ldo13, ldo14, ldo15, ldo16, ldo17, ldo18, ldo19, ldo20, out5v,
out33v, bbat, sdby, vrtc.
Example:
max8907@3c {
compatible = "maxim,max8907";
reg = <0x3c>;
interrupts = <0 86 0x4>;
maxim,system-power-controller;
mbatt-supply = <&some_reg>;
in-v1-supply = <&mbatt_reg>;
...
in1-supply = <&mbatt_reg>;
...
regulators {
mbatt_reg: mbatt {
regulator-name = "vbat_pmu";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
sd1 {
regulator-name = "nvvdd_sv1,vdd_cpu_pmu";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
};
sd2 {
regulator-name = "nvvdd_sv2,vdd_core";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
};
...
};
};
};

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Max8925 Voltage regulators
Required nodes:
-nodes:
- SDV1 for SDV SDV1
- SDV2 for SDV SDV2
- SDV3 for SDV SDV3
- LDO1 for LDO LDO1
- LDO2 for LDO LDO2
- LDO3 for LDO LDO3
- LDO4 for LDO LDO4
- LDO5 for LDO LDO5
- LDO6 for LDO LDO6
- LDO7 for LDO LDO7
- LDO8 for LDO LDO8
- LDO9 for LDO LDO9
- LDO10 for LDO LDO10
- LDO11 for LDO LDO11
- LDO12 for LDO LDO12
- LDO13 for LDO LDO13
- LDO14 for LDO LDO14
- LDO15 for LDO LDO15
- LDO16 for LDO LDO16
- LDO17 for LDO LDO17
- LDO18 for LDO LDO18
- LDO19 for LDO LDO19
- LDO20 for LDO LDO20
Optional properties:
- Any optional property defined in bindings/regulator/regulator.txt
Example:
SDV1 {
regulator-min-microvolt = <637500>;
regulator-max-microvolt = <1425000>;
regulator-boot-on;
regulator-always-on;
};

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Maxim MAX8952 voltage regulator
Required properties:
- compatible: must be equal to "maxim,max8952"
- reg: I2C slave address, usually 0x60
- max8952,dvs-mode-microvolt: array of 4 integer values defining DVS voltages
in microvolts. All values must be from range <770000, 1400000>
- any required generic properties defined in regulator.txt
Optional properties:
- max8952,vid-gpios: array of two GPIO pins used for DVS voltage selection
- max8952,en-gpio: GPIO used to control enable status of regulator
- max8952,default-mode: index of default DVS voltage, from <0, 3> range
- max8952,sync-freq: sync frequency, must be one of following values:
- 0: 26 MHz
- 1: 13 MHz
- 2: 19.2 MHz
Defaults to 26 MHz if not specified.
- max8952,ramp-speed: voltage ramp speed, must be one of following values:
- 0: 32mV/us
- 1: 16mV/us
- 2: 8mV/us
- 3: 4mV/us
- 4: 2mV/us
- 5: 1mV/us
- 6: 0.5mV/us
- 7: 0.25mV/us
Defaults to 32mV/us if not specified.
- any available generic properties defined in regulator.txt
Example:
vdd_arm_reg: pmic@60 {
compatible = "maxim,max8952";
reg = <0x60>;
/* max8952-specific properties */
max8952,vid-gpios = <&gpx0 3 0>, <&gpx0 4 0>;
max8952,en-gpio = <&gpx0 1 0>;
max8952,default-mode = <0>;
max8952,dvs-mode-microvolt = <1250000>, <1200000>,
<1050000>, <950000>;
max8952,sync-freq = <0>;
max8952,ramp-speed = <0>;
/* generic regulator properties */
regulator-name = "vdd_arm";
regulator-min-microvolt = <770000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
regulator-boot-on;
};

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* Maxim MAX8973 Voltage Regulator
Required properties:
- compatible: must be "maxim,max8973"
- reg: the i2c slave address of the regulator. It should be 0x1b.
Any standard regulator properties can be used to configure the single max8973
DCDC.
Example:
max8973@1b {
compatible = "maxim,max8973";
reg = <0x1b>;
regulator-min-microvolt = <935000>;
regulator-max-microvolt = <1200000>;
regulator-boot-on;
regulator-always-on;
};

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* Maxim MAX8997 Voltage and Current Regulator
The Maxim MAX8997 is a multi-function device which includes voltage and
current regulators, rtc, charger controller and other sub-blocks. It is
interfaced to the host controller using a i2c interface. Each sub-block is
addressed by the host system using different i2c slave address. This document
describes the bindings for 'pmic' sub-block of max8997.
Required properties:
- compatible: Should be "maxim,max8997-pmic".
- reg: Specifies the i2c slave address of the pmic block. It should be 0x66.
- max8997,pmic-buck1-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
units for buck1 when changing voltage using gpio dvs. Refer to [1] below
for additional information.
- max8997,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
units for buck2 when changing voltage using gpio dvs. Refer to [1] below
for additional information.
- max8997,pmic-buck5-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
units for buck5 when changing voltage using gpio dvs. Refer to [1] below
for additional information.
[1] If none of the 'max8997,pmic-buck[1/2/5]-uses-gpio-dvs' optional
property is specified, the 'max8997,pmic-buck[1/2/5]-dvs-voltage'
property should specify atleast one voltage level (which would be a
safe operating voltage).
If either of the 'max8997,pmic-buck[1/2/5]-uses-gpio-dvs' optional
property is specified, then all the eight voltage values for the
'max8997,pmic-buck[1/2/5]-dvs-voltage' should be specified.
Optional properties:
- interrupt-parent: Specifies the phandle of the interrupt controller to which
the interrupts from max8997 are delivered to.
- interrupts: Interrupt specifiers for two interrupt sources.
- First interrupt specifier is for 'irq1' interrupt.
- Second interrupt specifier is for 'alert' interrupt.
- max8997,pmic-buck1-uses-gpio-dvs: 'buck1' can be controlled by gpio dvs.
- max8997,pmic-buck2-uses-gpio-dvs: 'buck2' can be controlled by gpio dvs.
- max8997,pmic-buck5-uses-gpio-dvs: 'buck5' can be controlled by gpio dvs.
Additional properties required if either of the optional properties are used:
- max8997,pmic-ignore-gpiodvs-side-effect: When GPIO-DVS mode is used for
multiple bucks, changing the voltage value of one of the bucks may affect
that of another buck, which is the side effect of the change (set_voltage).
Use this property to ignore such side effects and change the voltage.
- max8997,pmic-buck125-default-dvs-idx: Default voltage setting selected from
the possible 8 options selectable by the dvs gpios. The value of this
property should be between 0 and 7. If not specified or if out of range, the
default value of this property is set to 0.
- max8997,pmic-buck125-dvs-gpios: GPIO specifiers for three host gpio's used
for dvs. The format of the gpio specifier depends in the gpio controller.
Regulators: The regulators of max8997 that have to be instantiated should be
included in a sub-node named 'regulators'. Regulator nodes included in this
sub-node should be of the format as listed below.
regulator_name {
standard regulator bindings here
};
The following are the names of the regulators that the max8997 pmic block
supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number
as per the datasheet of max8997.
- LDOn
- valid values for n are 1 to 18 and 21
- Example: LDO0, LD01, LDO2, LDO21
- BUCKn
- valid values for n are 1 to 7.
- Example: BUCK1, BUCK2, BUCK3, BUCK7
- ENVICHG: Battery Charging Current Monitor Output. This is a fixed
voltage type regulator
- ESAFEOUT1: (ldo19)
- ESAFEOUT2: (ld020)
- CHARGER_CV: main battery charger voltage control
- CHARGER: main battery charger current control
- CHARGER_TOPOFF: end of charge current threshold level
The bindings inside the regulator nodes use the standard regulator bindings
which are documented elsewhere.
Example:
max8997_pmic@66 {
compatible = "maxim,max8997-pmic";
interrupt-parent = <&wakeup_eint>;
reg = <0x66>;
interrupts = <4 0>, <3 0>;
max8997,pmic-buck1-uses-gpio-dvs;
max8997,pmic-buck2-uses-gpio-dvs;
max8997,pmic-buck5-uses-gpio-dvs;
max8997,pmic-ignore-gpiodvs-side-effect;
max8997,pmic-buck125-default-dvs-idx = <0>;
max8997,pmic-buck125-dvs-gpios = <&gpx0 0 1 0 0>, /* SET1 */
<&gpx0 1 1 0 0>, /* SET2 */
<&gpx0 2 1 0 0>; /* SET3 */
max8997,pmic-buck1-dvs-voltage = <1350000>, <1300000>,
<1250000>, <1200000>,
<1150000>, <1100000>,
<1000000>, <950000>;
max8997,pmic-buck2-dvs-voltage = <1100000>, <1100000>,
<1100000>, <1100000>,
<1000000>, <1000000>,
<1000000>, <1000000>;
max8997,pmic-buck5-dvs-voltage = <1200000>, <1200000>,
<1200000>, <1200000>,
<1200000>, <1200000>,
<1200000>, <1200000>;
regulators {
ldo1_reg: LDO1 {
regulator-name = "VDD_ABB_3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
ldo2_reg: LDO2 {
regulator-name = "VDD_ALIVE_1.1V";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
};
buck1_reg: BUCK1 {
regulator-name = "VDD_ARM_1.2V";
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-boot-on;
};
};
};

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* palmas regulator IP block devicetree bindings
Required properties:
- compatible : Should be from the list
ti,twl6035-pmic
ti,twl6036-pmic
ti,twl6037-pmic
ti,tps65913-pmic
ti,tps65914-pmic
ti,tps65917-pmic
and also the generic series names
ti,palmas-pmic
- interrupt-parent : The parent interrupt controller which is palmas.
- interrupts : The interrupt number and the type which can be looked up here:
arch/arm/boot/dts/include/dt-bindings/interrupt-controller/irq.h
- interrupts-name: The names of the individual interrupts.
Optional properties:
- ti,ldo6-vibrator : ldo6 is in vibrator mode
Optional nodes:
- regulators : Must contain a sub-node per regulator from the list below.
Each sub-node should contain the constraints and initialization
information for that regulator. See regulator.txt for a
description of standard properties for these sub-nodes.
Additional custom properties are listed below.
For ti,palmas-pmic - smps12, smps123, smps3 depending on OTP,
smps45, smps457, smps7 depending on variant, smps6, smps[8-9],
smps10_out2, smps10_out1, ldo[1-9], ldoln, ldousb.
Optional sub-node properties:
ti,warm-reset - maintain voltage during warm reset(boolean)
ti,roof-floor - This takes as optional argument on platform supporting
the rail from desired external control. If there is no argument then
it will be assume that it is controlled by NSLEEP pin.
The valid value for external pins are:
ENABLE1 then 1,
ENABLE2 then 2 or
NSLEEP then 3.
ti,mode-sleep - mode to adopt in pmic sleep 0 - off, 1 - auto,
2 - eco, 3 - forced pwm
ti,smps-range - OTP has the wrong range set for the hardware so override
0 - low range, 1 - high range.
- ti,system-power-controller: Telling whether or not this pmic is controlling
the system power.
Example:
#include <dt-bindings/interrupt-controller/irq.h>
pmic {
compatible = "ti,twl6035-pmic", "ti,palmas-pmic";
interrupt-parent = <&palmas>;
interrupts = <14 IRQ_TYPE_NONE>;
interrupts-name = "short-irq";
ti,ldo6-vibrator;
ti,system-power-controller;
regulators {
smps12_reg : smps12 {
regulator-name = "smps12";
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
ti,warm-reset;
ti,roof-floor = <1>; /* ENABLE1 control */
ti,mode-sleep = <0>;
ti,smps-range = <1>;
};
ldo1_reg: ldo1 {
regulator-name = "ldo1";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
};
};
};

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PBIAS internal regulator for SD card dual voltage i/o pads on OMAP SoCs.
Required properties:
- compatible:
- "ti,pbias-omap" for OMAP2, OMAP3, OMAP4, OMAP5, DRA7.
- reg: pbias register offset from syscon base and size of pbias register.
- syscon : phandle of the system control module
- regulator-name : should be
pbias_mmc_omap2430 for OMAP2430, OMAP3 SoCs
pbias_sim_omap3 for OMAP3 SoCs
pbias_mmc_omap4 for OMAP4 SoCs
pbias_mmc_omap5 for OMAP5 and DRA7 SoC
Optional properties:
- Any optional property defined in bindings/regulator/regulator.txt
Example:
pbias_regulator: pbias_regulator {
compatible = "ti,pbias-omap";
reg = <0 0x4>;
syscon = <&omap5_padconf_global>;
pbias_mmc_reg: pbias_mmc_omap5 {
regulator-name = "pbias_mmc_omap5";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3000000>;
};

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PFUZE100 family of regulators
Required properties:
- compatible: "fsl,pfuze100" or "fsl,pfuze200"
- reg: I2C slave address
Required child node:
- regulators: This is the list of child nodes that specify the regulator
initialization data for defined regulators. Please refer to below doc
Documentation/devicetree/bindings/regulator/regulator.txt.
The valid names for regulators are:
--PFUZE100
sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6
--PFUZE200
sw1ab,sw2,sw3a,sw3b,swbst,vsnvs,vrefddr,vgen1~vgen6
Each regulator is defined using the standard binding for regulators.
Example 1: PFUZE100
pmic: pfuze100@08 {
compatible = "fsl,pfuze100";
reg = <0x08>;
regulators {
sw1a_reg: sw1ab {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw1c_reg: sw1c {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
};
sw2_reg: sw2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
sw3a_reg: sw3a {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1975000>;
regulator-boot-on;
regulator-always-on;
};
sw3b_reg: sw3b {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1975000>;
regulator-boot-on;
regulator-always-on;
};
sw4_reg: sw4 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
};
swbst_reg: swbst {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5150000>;
};
snvs_reg: vsnvs {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3000000>;
regulator-boot-on;
regulator-always-on;
};
vref_reg: vrefddr {
regulator-boot-on;
regulator-always-on;
};
vgen1_reg: vgen1 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen2_reg: vgen2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen3_reg: vgen3 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
vgen4_reg: vgen4 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vgen5_reg: vgen5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vgen6_reg: vgen6 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
};
Example 2: PFUZE200
pmic: pfuze200@08 {
compatible = "fsl,pfuze200";
reg = <0x08>;
regulators {
sw1a_reg: sw1ab {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw2_reg: sw2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
sw3a_reg: sw3a {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1975000>;
regulator-boot-on;
regulator-always-on;
};
sw3b_reg: sw3b {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1975000>;
regulator-boot-on;
regulator-always-on;
};
swbst_reg: swbst {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5150000>;
};
snvs_reg: vsnvs {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3000000>;
regulator-boot-on;
regulator-always-on;
};
vref_reg: vrefddr {
regulator-boot-on;
regulator-always-on;
};
vgen1_reg: vgen1 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen2_reg: vgen2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen3_reg: vgen3 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
vgen4_reg: vgen4 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vgen5_reg: vgen5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vgen6_reg: vgen6 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
};

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pwm regulator bindings
Required properties:
- compatible: Should be "pwm-regulator"
- pwms: OF device-tree PWM specification (see PWM binding pwm.txt)
- voltage-table: voltage and duty table, include 2 members in each set of
brackets, first one is voltage(unit: uv), the next is duty(unit: percent)
Any property defined as part of the core regulator binding defined in
regulator.txt can also be used.
Example:
pwm_regulator {
compatible = "pwm-regulator;
pwms = <&pwm1 0 8448 0>;
voltage-table = <1114000 0>,
<1095000 10>,
<1076000 20>,
<1056000 30>,
<1036000 40>,
<1016000 50>;
regulator-min-microvolt = <1016000>;
regulator-max-microvolt = <1114000>;
regulator-name = "vdd_logic";
};

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Voltage/Current Regulators
Optional properties:
- regulator-name: A string used as a descriptive name for regulator outputs
- regulator-min-microvolt: smallest voltage consumers may set
- regulator-max-microvolt: largest voltage consumers may set
- regulator-microvolt-offset: Offset applied to voltages to compensate for voltage drops
- regulator-min-microamp: smallest current consumers may set
- regulator-max-microamp: largest current consumers may set
- regulator-always-on: boolean, regulator should never be disabled
- regulator-boot-on: bootloader/firmware enabled regulator
- regulator-allow-bypass: allow the regulator to go into bypass mode
- <name>-supply: phandle to the parent supply/regulator node
- regulator-ramp-delay: ramp delay for regulator(in uV/uS)
For hardware which supports disabling ramp rate, it should be explicitly
intialised to zero (regulator-ramp-delay = <0>) for disabling ramp delay.
- regulator-enable-ramp-delay: The time taken, in microseconds, for the supply
rail to reach the target voltage, plus/minus whatever tolerance the board
design requires. This property describes the total system ramp time
required due to the combination of internal ramping of the regulator itself,
and board design issues such as trace capacitance and load on the supply.
Deprecated properties:
- regulator-compatible: If a regulator chip contains multiple
regulators, and if the chip's binding contains a child node that
describes each regulator, then this property indicates which regulator
this child node is intended to configure. If this property is missing,
the node's name will be used instead.
Example:
xyzreg: regulator@0 {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <2500000>;
regulator-always-on;
vin-supply = <&vin>;
};
Regulator Consumers:
Consumer nodes can reference one or more of its supplies/
regulators using the below bindings.
- <name>-supply: phandle to the regulator node
These are the same bindings that a regulator in the above
example used to reference its own supply, in which case
its just seen as a special case of a regulator being a
consumer itself.
Example of a consumer device node (mmc) referencing two
regulators (twl_reg1 and twl_reg2),
twl_reg1: regulator@0 {
...
...
...
};
twl_reg2: regulator@1 {
...
...
...
};
mmc: mmc@0x0 {
...
...
vmmc-supply = <&twl_reg1>;
vmmcaux-supply = <&twl_reg2>;
};

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* Samsung S5M8767 Voltage and Current Regulator
The Samsung S5M8767 is a multi-function device which includes voltage and
current regulators, rtc, charger controller and other sub-blocks. It is
interfaced to the host controller using a i2c interface. Each sub-block is
addressed by the host system using different i2c slave address. This document
describes the bindings for 'pmic' sub-block of s5m8767.
Required properties:
- compatible: Should be "samsung,s5m8767-pmic".
- reg: Specifies the i2c slave address of the pmic block. It should be 0x66.
- s5m8767,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
units for buck2 when changing voltage using gpio dvs. Refer to [1] below
for additional information.
- s5m8767,pmic-buck3-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
units for buck3 when changing voltage using gpio dvs. Refer to [1] below
for additional information.
- s5m8767,pmic-buck4-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
units for buck4 when changing voltage using gpio dvs. Refer to [1] below
for additional information.
- s5m8767,pmic-buck-ds-gpios: GPIO specifiers for three host gpio's used
for selecting GPIO DVS lines. It is one-to-one mapped to dvs gpio lines.
[1] If none of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional
property is specified, the 's5m8767,pmic-buck[2/3/4]-dvs-voltage'
property should specify atleast one voltage level (which would be a
safe operating voltage).
If either of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional
property is specified, then all the eight voltage values for the
's5m8767,pmic-buck[2/3/4]-dvs-voltage' should be specified.
Optional properties:
- interrupt-parent: Specifies the phandle of the interrupt controller to which
the interrupts from s5m8767 are delivered to.
- interrupts: Interrupt specifiers for two interrupt sources.
- First interrupt specifier is for 'irq1' interrupt.
- Second interrupt specifier is for 'alert' interrupt.
- s5m8767,pmic-buck2-uses-gpio-dvs: 'buck2' can be controlled by gpio dvs.
- s5m8767,pmic-buck3-uses-gpio-dvs: 'buck3' can be controlled by gpio dvs.
- s5m8767,pmic-buck4-uses-gpio-dvs: 'buck4' can be controlled by gpio dvs.
Additional properties required if either of the optional properties are used:
- s5m8767,pmic-buck234-default-dvs-idx: Default voltage setting selected from
the possible 8 options selectable by the dvs gpios. The value of this
property should be between 0 and 7. If not specified or if out of range, the
default value of this property is set to 0.
- s5m8767,pmic-buck-dvs-gpios: GPIO specifiers for three host gpio's used
for dvs. The format of the gpio specifier depends in the gpio controller.
Regulators: The regulators of s5m8767 that have to be instantiated should be
included in a sub-node named 'regulators'. Regulator nodes included in this
sub-node should be of the format as listed below.
regulator_name {
ldo1_reg: LDO1 {
regulator-name = "VDD_ALIVE_1.0V";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
regulator-boot-on;
op_mode = <1>; /* Normal Mode */
};
};
The above regulator entries are defined in regulator bindings documentation
except these properties:
- op_mode: describes the different operating modes of the LDO's with
power mode change in SOC. The different possible values are,
0 - always off mode
1 - on in normal mode
2 - low power mode
3 - suspend mode
- s5m8767,pmic-ext-control-gpios: (optional) GPIO specifier for one
GPIO controlling this regulator (enable/disable); This is
valid only for buck9.
The following are the names of the regulators that the s5m8767 pmic block
supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number
as per the datasheet of s5m8767.
- LDOn
- valid values for n are 1 to 28
- Example: LDO1, LDO2, LDO28
- BUCKn
- valid values for n are 1 to 9.
- Example: BUCK1, BUCK2, BUCK9
The bindings inside the regulator nodes use the standard regulator bindings
which are documented elsewhere.
Example:
s5m8767_pmic@66 {
compatible = "samsung,s5m8767-pmic";
reg = <0x66>;
s5m8767,pmic-buck2-uses-gpio-dvs;
s5m8767,pmic-buck3-uses-gpio-dvs;
s5m8767,pmic-buck4-uses-gpio-dvs;
s5m8767,pmic-buck-default-dvs-idx = <0>;
s5m8767,pmic-buck-dvs-gpios = <&gpx0 0 0>, /* DVS1 */
<&gpx0 1 0>, /* DVS2 */
<&gpx0 2 0>; /* DVS3 */
s5m8767,pmic-buck-ds-gpios = <&gpx2 3 0>, /* SET1 */
<&gpx2 4 0>, /* SET2 */
<&gpx2 5 0>; /* SET3 */
s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
<1250000>, <1200000>,
<1150000>, <1100000>,
<1000000>, <950000>;
s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
<1100000>, <1100000>,
<1000000>, <1000000>,
<1000000>, <1000000>;
s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
<1200000>, <1200000>,
<1200000>, <1200000>,
<1200000>, <1200000>;
regulators {
ldo1_reg: LDO1 {
regulator-name = "VDD_ABB_3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
op_mode = <1>; /* Normal Mode */
};
ldo2_reg: LDO2 {
regulator-name = "VDD_ALIVE_1.1V";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
};
buck1_reg: BUCK1 {
regulator-name = "VDD_MIF_1.2V";
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-boot-on;
};
vemmc_reg: BUCK9 {
regulator-name = "VMEM_VDD_2.8V";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
op_mode = <3>; /* Standby Mode */
s5m8767,pmic-ext-control-gpios = <&gpk0 2 0>;
};
};
};

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SKY81452 voltage regulator
Required properties:
- any required generic properties defined in regulator.txt
Optional properties:
- any available generic properties defined in regulator.txt
Example:
regulator {
/* generic regulator properties */
regulator-name = "touch_en";
regulator-min-microvolt = <4500000>;
regulator-max-microvolt = <8000000>;
};

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Adaptive Body Bias(ABB) SoC internal LDO regulator for Texas Instruments SoCs
Required Properties:
- compatible: Should be one of:
- "ti,abb-v1" for older SoCs like OMAP3
- "ti,abb-v2" for newer SoCs like OMAP4, OMAP5
- "ti,abb-v3" for a generic definition where setup and control registers are
provided (example: DRA7)
- reg: Address and length of the register set for the device. It contains
the information of registers in the same order as described by reg-names
- reg-names: Should contain the reg names
- "base-address" - contains base address of ABB module (ti,abb-v1,ti,abb-v2)
- "control-address" - contains control register address of ABB module (ti,abb-v3)
- "setup-address" - contains setup register address of ABB module (ti,abb-v3)
- "int-address" - contains address of interrupt register for ABB module
(also see Optional properties)
- #address-cell: should be 0
- #size-cell: should be 0
- clocks: should point to the clock node used by ABB module
- ti,settling-time: Settling time in uSecs from SoC documentation for ABB module
to settle down(target time for SR2_WTCNT_VALUE).
- ti,clock-cycles: SoC specific data about count of system ti,clock-cycles used for
computing settling time from SoC Documentation for ABB module(clock
cycles for SR2_WTCNT_VALUE).
- ti,tranxdone-status-mask: Mask to the int-register to write-to-clear mask
indicating LDO tranxdone (operation complete).
- ti,abb_info: An array of 6-tuples u32 items providing information about ABB
configuration needed per operational voltage of the device.
Each item consists of the following in the same order:
volt: voltage in uV - Only used to index ABB information.
ABB mode: one of the following:
0-bypass
1-Forward Body Bias(FBB)
3-Reverse Body Bias(RBB)
efuse: (see Optional properties)
RBB enable efuse Mask: (See Optional properties)
FBB enable efuse Mask: (See Optional properties)
Vset value efuse Mask: (See Optional properties)
NOTE: If more than 1 entry is present, then regulator is setup to change
voltage, allowing for various modes to be selected indexed off
the regulator. Further, ABB LDOs are considered always-on by
default.
Optional Properties:
- reg-names: In addition to the required properties, the following are optional
- "efuse-address" - Contains efuse base address used to pick up ABB info.
- "ldo-address" - Contains address of ABB LDO overide register address.
"efuse-address" is required for this.
- ti,ldovbb-vset-mask - Required if ldo-address is set, mask for LDO override
register to provide override vset value.
- ti,ldovbb-override-mask - Required if ldo-address is set, mask for LDO
override register to enable override vset value.
- ti,abb_opp_sel: Addendum to the description in required properties
efuse: Mandatory if 'efuse-address' register is defined. Provides offset
from efuse-address to pick up ABB characteristics. Set to 0 if
'efuse-address' is not defined.
RBB enable efuse Mask: Optional if 'efuse-address' register is defined.
'ABB mode' is force set to RBB mode if value at "efuse-address"
+ efuse maps to RBB mask. Set to 0 to ignore this.
FBB enable efuse Mask: Optional if 'efuse-address' register is defined.
'ABB mode' is force set to FBB mode if value at "efuse-address"
+ efuse maps to FBB mask (valid only if RBB mask does not match)
Set to 0 to ignore this.
Vset value efuse Mask: Mandatory if ldo-address is set. Picks up from
efuse the value to set in 'ti,ldovbb-vset-mask' at ldo-address.
Example #1: Simplest configuration (no efuse data, hard coded ABB table):
abb_x: regulator-abb-x {
compatible = "ti,abb-v1";
regulator-name = "abb_x";
#address-cell = <0>;
#size-cells = <0>;
reg = <0x483072f0 0x8>, <0x48306818 0x4>;
reg-names = "base-address", "int-address";
ti,tranxdone-status-mask = <0x4000000>;
clocks = <&sysclk>;
ti,settling-time = <30>;
ti,clock-cycles = <8>;
ti,abb_info = <
/* uV ABB efuse rbb_m fbb_m vset_m */
1012500 0 0 0 0 0 /* Bypass */
1200000 3 0 0 0 0 /* RBB mandatory */
1320000 1 0 0 0 0 /* FBB mandatory */
>;
};
Example #2: Efuse bits contain ABB mode setting (no LDO override capability)
abb_y: regulator-abb-y {
compatible = "ti,abb-v2";
regulator-name = "abb_y";
#address-cell = <0>;
#size-cells = <0>;
reg = <0x4a307bd0 0x8>, <0x4a306014 0x4>, <0x4A002268 0x8>;
reg-names = "base-address", "int-address", "efuse-address";
ti,tranxdone-status-mask = <0x4000000>;
clocks = <&sysclk>;
ti,settling-time = <50>;
ti,clock-cycles = <16>;
ti,abb_info = <
/* uV ABB efuse rbb_m fbb_m vset_m */
975000 0 0 0 0 0 /* Bypass */
1012500 0 0 0x40000 0 0 /* RBB optional */
1200000 0 0x4 0 0x40000 0 /* FBB optional */
1320000 1 0 0 0 0 /* FBB mandatory */
>;
};
Example #3: Efuse bits contain ABB mode setting and LDO override capability
abb_z: regulator-abb-z {
compatible = "ti,abb-v2";
regulator-name = "abb_z";
#address-cell = <0>;
#size-cells = <0>;
reg = <0x4ae07ce4 0x8>, <0x4ae06010 0x4>,
<0x4a002194 0x8>, <0x4ae0C314 0x4>;
reg-names = "base-address", "int-address",
"efuse-address", "ldo-address";
ti,tranxdone-status-mask = <0x8000000>;
/* LDOVBBMM_MUX_CTRL */
ti,ldovbb-override-mask = <0x400>;
/* LDOVBBMM_VSET_OUT */
ti,ldovbb-vset-mask = <0x1F>;
clocks = <&sysclk>;
ti,settling-time = <50>;
ti,clock-cycles = <16>;
ti,abb_info = <
/* uV ABB efuse rbb_m fbb_m vset_m */
975000 0 0 0 0 0 /* Bypass */
1200000 0 0x4 0 0x40000 0x1f00 /* FBB optional, vset */
>;
};

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TPS51632 Voltage regulators
Required properties:
- compatible: Must be "ti,tps51632"
- reg: I2C slave address
Optional properties:
- ti,enable-pwm-dvfs: Enable the DVFS voltage control through the PWM interface.
- ti,dvfs-step-20mV: The 20mV step voltage when PWM DVFS enabled. Missing this
will set 10mV step voltage in PWM DVFS mode. In normal mode, the voltage
step is 10mV as per datasheet.
Any property defined as part of the core regulator binding, defined in
regulator.txt, can also be used.
Example:
tps51632 {
compatible = "ti,tps51632";
reg = <0x43>;
regulator-name = "tps51632-vout";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
ti,enable-pwm-dvfs;
ti,dvfs-step-20mV;
};

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TPS62360 Voltage regulators
Required properties:
- compatible: Must be one of the following.
"ti,tps62360"
"ti,tps62361",
"ti,tps62362",
"ti,tps62363",
- reg: I2C slave address
Optional properties:
- ti,enable-vout-discharge: Enable output discharge. This is boolean value.
- ti,enable-pull-down: Enable pull down. This is boolean value.
- ti,vsel0-gpio: GPIO for controlling VSEL0 line.
If this property is missing, then assume that there is no GPIO
for vsel0 control.
- ti,vsel1-gpio: Gpio for controlling VSEL1 line.
If this property is missing, then assume that there is no GPIO
for vsel1 control.
- ti,vsel0-state-high: Initial state of vsel0 input is high.
If this property is missing, then assume the state as low (0).
- ti,vsel1-state-high: Initial state of vsel1 input is high.
If this property is missing, then assume the state as low (0).
Any property defined as part of the core regulator binding, defined in
regulator.txt, can also be used.
Example:
abc: tps62360 {
compatible = "ti,tps62361";
reg = <0x60>;
regulator-name = "tps62361-vout";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on
ti,vsel0-gpio = <&gpio1 16 0>;
ti,vsel1-gpio = <&gpio1 17 0>;
ti,vsel0-state-high;
ti,vsel1-state-high;
ti,enable-pull-down;
ti,enable-force-pwm;
ti,enable-vout-discharge;
};

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TPS65090 regulators
Required properties:
- compatible: "ti,tps65090"
- reg: I2C slave address
- interrupts: the interrupt outputs of the controller
- regulators: A node that houses a sub-node for each regulator within the
device. Each sub-node is identified using the node's name, with valid
values listed below. The content of each sub-node is defined by the
standard binding for regulators; see regulator.txt.
dcdc[1-3], fet[1-7] and ldo[1-2] respectively.
- vsys[1-3]-supply: The input supply for DCDC[1-3] respectively.
- infet[1-7]-supply: The input supply for FET[1-7] respectively.
- vsys-l[1-2]-supply: The input supply for LDO[1-2] respectively.
Optional properties:
- ti,enable-ext-control: This is applicable for DCDC1, DCDC2 and DCDC3.
If DCDCs are externally controlled then this property should be there.
- "dcdc-ext-control-gpios: This is applicable for DCDC1, DCDC2 and DCDC3.
If DCDCs are externally controlled and if it is from GPIO then GPIO
number should be provided. If it is externally controlled and no GPIO
entry then driver will just configure this rails as external control
and will not provide any enable/disable APIs.
- ti,overcurrent-wait: This is applicable to FET registers, which have a
poorly defined "overcurrent wait" field. If this property is present it
should be between 0 - 3. If this property isn't present we won't touch the
"overcurrent wait" field and we'll leave it to the BIOS/EC to deal with.
Each regulator is defined using the standard binding for regulators.
Example:
tps65090@48 {
compatible = "ti,tps65090";
reg = <0x48>;
interrupts = <0 88 0x4>;
vsys1-supply = <&some_reg>;
vsys2-supply = <&some_reg>;
vsys3-supply = <&some_reg>;
infet1-supply = <&some_reg>;
infet2-supply = <&some_reg>;
infet3-supply = <&some_reg>;
infet4-supply = <&some_reg>;
infet5-supply = <&some_reg>;
infet6-supply = <&some_reg>;
infet7-supply = <&some_reg>;
vsys-l1-supply = <&some_reg>;
vsys-l2-supply = <&some_reg>;
regulators {
dcdc1 {
regulator-name = "dcdc1";
regulator-boot-on;
regulator-always-on;
ti,enable-ext-control;
dcdc-ext-control-gpios = <&gpio 10 0>;
};
dcdc2 {
regulator-name = "dcdc2";
regulator-boot-on;
regulator-always-on;
};
dcdc3 {
regulator-name = "dcdc3";
regulator-boot-on;
regulator-always-on;
};
fet1 {
regulator-name = "fet1";
regulator-boot-on;
regulator-always-on;
};
fet2 {
regulator-name = "fet2";
regulator-boot-on;
regulator-always-on;
};
fet3 {
regulator-name = "fet3";
regulator-boot-on;
regulator-always-on;
};
fet4 {
regulator-name = "fet4";
regulator-boot-on;
regulator-always-on;
};
fet5 {
regulator-name = "fet5";
regulator-boot-on;
regulator-always-on;
};
fet6 {
regulator-name = "fet6";
regulator-boot-on;
regulator-always-on;
};
fet7 {
regulator-name = "fet7";
regulator-boot-on;
regulator-always-on;
};
ldo1 {
regulator-name = "ldo1";
regulator-boot-on;
regulator-always-on;
};
ldo2 {
regulator-name = "ldo2";
regulator-boot-on;
regulator-always-on;
};
};
};

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TPS65217 family of regulators
Required properties:
- compatible: "ti,tps65217"
- reg: I2C slave address
- regulators: list of regulators provided by this controller, must be named
after their hardware counterparts: dcdc[1-3] and ldo[1-4]
- regulators: This is the list of child nodes that specify the regulator
initialization data for defined regulators. Not all regulators for the given
device need to be present. The definition for each of these nodes is defined
using the standard binding for regulators found at
Documentation/devicetree/bindings/regulator/regulator.txt.
Optional properties:
- ti,pmic-shutdown-controller: Telling the PMIC to shutdown on PWR_EN toggle.
The valid names for regulators are:
tps65217: dcdc1, dcdc2, dcdc3, ldo1, ldo2, ldo3 and ldo4
Each regulator is defined using the standard binding for regulators.
Example:
tps: tps@24 {
compatible = "ti,tps65217";
ti,pmic-shutdown-controller;
regulators {
dcdc1_reg: dcdc1 {
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
dcdc2_reg: dcdc2 {
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
dcdc3_reg: dcc3 {
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
regulator-always-on;
};
ldo1_reg: ldo1 {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo2_reg: ldo2 {
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo3_reg: ldo3 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo4_reg: ldo4 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
};
};

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TPS65218 family of regulators
Required properties:
For tps65218 regulators/LDOs
- compatible:
- "ti,tps65218-dcdc1" for DCDC1
- "ti,tps65218-dcdc2" for DCDC2
- "ti,tps65218-dcdc3" for DCDC3
- "ti,tps65218-dcdc4" for DCDC4
- "ti,tps65218-dcdc5" for DCDC5
- "ti,tps65218-dcdc6" for DCDC6
- "ti,tps65218-ldo1" for LDO1
Optional properties:
- Any optional property defined in bindings/regulator/regulator.txt
Example:
xyz: regulator@0 {
compatible = "ti,tps65218-dcdc1";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3000000>;
};

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TPS6586x family of regulators
Required properties:
- compatible: "ti,tps6586x"
- reg: I2C slave address
- interrupts: the interrupt outputs of the controller
- #gpio-cells: number of cells to describe a GPIO
- gpio-controller: mark the device as a GPIO controller
- regulators: A node that houses a sub-node for each regulator within the
device. Each sub-node is identified using the node's name (or the deprecated
regulator-compatible property if present), with valid values listed below.
The content of each sub-node is defined by the standard binding for
regulators; see regulator.txt.
sys, sm[0-2], ldo[0-9] and ldo_rtc
- sys-supply: The input supply for SYS.
- vin-sm0-supply: The input supply for the SM0.
- vin-sm1-supply: The input supply for the SM1.
- vin-sm2-supply: The input supply for the SM2.
- vinldo01-supply: The input supply for the LDO1 and LDO2
- vinldo23-supply: The input supply for the LDO2 and LDO3
- vinldo4-supply: The input supply for the LDO4
- vinldo678-supply: The input supply for the LDO6, LDO7 and LDO8
- vinldo9-supply: The input supply for the LDO9
Optional properties:
- ti,system-power-controller: Telling whether or not this pmic is controlling
the system power.
Each regulator is defined using the standard binding for regulators.
Note: LDO5 and LDO_RTC is supplied by SYS regulator internally and driver
take care of making proper parent child relationship.
Example:
pmu: tps6586x@34 {
compatible = "ti,tps6586x";
reg = <0x34>;
interrupts = <0 88 0x4>;
#gpio-cells = <2>;
gpio-controller;
ti,system-power-controller;
sys-supply = <&some_reg>;
vin-sm0-supply = <&some_reg>;
vin-sm1-supply = <&some_reg>;
vin-sm2-supply = <&some_reg>;
vinldo01-supply = <...>;
vinldo23-supply = <...>;
vinldo4-supply = <...>;
vinldo678-supply = <...>;
vinldo9-supply = <...>;
regulators {
sys_reg: sys {
regulator-name = "vdd_sys";
regulator-boot-on;
regulator-always-on;
};
sm0_reg: sm0 {
regulator-min-microvolt = < 725000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
regulator-always-on;
};
sm1_reg: sm1 {
regulator-min-microvolt = < 725000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
regulator-always-on;
};
sm2_reg: sm2 {
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <4550000>;
regulator-boot-on;
regulator-always-on;
};
ldo0_reg: ldo0 {
regulator-name = "PCIE CLK";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
ldo1_reg: ldo1 {
regulator-min-microvolt = < 725000>;
regulator-max-microvolt = <1500000>;
};
ldo2_reg: ldo2 {
regulator-min-microvolt = < 725000>;
regulator-max-microvolt = <1500000>;
};
ldo3_reg: ldo3 {
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
ldo4_reg: ldo4 {
regulator-min-microvolt = <1700000>;
regulator-max-microvolt = <2475000>;
};
ldo5_reg: ldo5 {
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
ldo6_reg: ldo6 {
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
ldo7_reg: ldo7 {
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
ldo8_reg: ldo8 {
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
ldo9_reg: ldo9 {
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
};
};

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TWL family of regulators
Required properties:
For twl6030 regulators/LDOs
- compatible:
- "ti,twl6030-vaux1" for VAUX1 LDO
- "ti,twl6030-vaux2" for VAUX2 LDO
- "ti,twl6030-vaux3" for VAUX3 LDO
- "ti,twl6030-vmmc" for VMMC LDO
- "ti,twl6030-vpp" for VPP LDO
- "ti,twl6030-vusim" for VUSIM LDO
- "ti,twl6030-vana" for VANA LDO
- "ti,twl6030-vcxio" for VCXIO LDO
- "ti,twl6030-vdac" for VDAC LDO
- "ti,twl6030-vusb" for VUSB LDO
- "ti,twl6030-v1v8" for V1V8 LDO
- "ti,twl6030-v2v1" for V2V1 LDO
- "ti,twl6030-vdd1" for VDD1 SMPS
- "ti,twl6030-vdd2" for VDD2 SMPS
- "ti,twl6030-vdd3" for VDD3 SMPS
For twl6032 regulators/LDOs
- compatible:
- "ti,twl6032-ldo1" for LDO1 LDO
- "ti,twl6032-ldo2" for LDO2 LDO
- "ti,twl6032-ldo3" for LDO3 LDO
- "ti,twl6032-ldo4" for LDO4 LDO
- "ti,twl6032-ldo5" for LDO5 LDO
- "ti,twl6032-ldo6" for LDO6 LDO
- "ti,twl6032-ldo7" for LDO7 LDO
- "ti,twl6032-ldoln" for LDOLN LDO
- "ti,twl6032-ldousb" for LDOUSB LDO
- "ti,twl6032-smps3" for SMPS3 SMPS
- "ti,twl6032-smps4" for SMPS4 SMPS
- "ti,twl6032-vio" for VIO SMPS
For twl4030 regulators/LDOs
- compatible:
- "ti,twl4030-vaux1" for VAUX1 LDO
- "ti,twl4030-vaux2" for VAUX2 LDO
- "ti,twl5030-vaux2" for VAUX2 LDO
- "ti,twl4030-vaux3" for VAUX3 LDO
- "ti,twl4030-vaux4" for VAUX4 LDO
- "ti,twl4030-vmmc1" for VMMC1 LDO
- "ti,twl4030-vmmc2" for VMMC2 LDO
- "ti,twl4030-vpll1" for VPLL1 LDO
- "ti,twl4030-vpll2" for VPLL2 LDO
- "ti,twl4030-vsim" for VSIM LDO
- "ti,twl4030-vdac" for VDAC LDO
- "ti,twl4030-vintana2" for VINTANA2 LDO
- "ti,twl4030-vio" for VIO LDO
- "ti,twl4030-vdd1" for VDD1 SMPS
- "ti,twl4030-vdd2" for VDD2 SMPS
- "ti,twl4030-vintana1" for VINTANA1 LDO
- "ti,twl4030-vintdig" for VINTDIG LDO
- "ti,twl4030-vusb1v5" for VUSB1V5 LDO
- "ti,twl4030-vusb1v8" for VUSB1V8 LDO
- "ti,twl4030-vusb3v1" for VUSB3V1 LDO
Optional properties:
- Any optional property defined in bindings/regulator/regulator.txt
Example:
xyz: regulator@0 {
compatible = "ti,twl6030-vaux1";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3000000>;
};

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Versatile Express voltage regulators
------------------------------------
Requires node properties:
- "compatible" value: "arm,vexpress-volt"
- "arm,vexpress-sysreg,func" when controlled via vexpress-sysreg
(see Documentation/devicetree/bindings/arm/vexpress-sysreg.txt
for more details)
Required regulator properties:
- "regulator-name"
- "regulator-always-on"
Optional regulator properties:
- "regulator-min-microvolt"
- "regulator-max-microvolt"
See Documentation/devicetree/bindings/regulator/regulator.txt
for more details about the regulator properties.
When no "regulator-[min|max]-microvolt" properties are defined,
the device is treated as fixed (or rather "read-only") regulator.
Example:
volt@0 {
compatible = "arm,vexpress-volt";
arm,vexpress-sysreg,func = <2 0>;
regulator-name = "Cores";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1050000>;
regulator-always-on;
};