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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
- <name>-supply: phandle to the parent supply/regulator node
- regulator-ramp-delay: ramp delay for regulator(in uV/uS)
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.
xyzreg: regulator@0 {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <2500000>;
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>;