diff options
Diffstat (limited to 'Documentation/devicetree/bindings/regulator/fixed-regulator.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/fixed-regulator.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.txt b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt new file mode 100644 index 000000000..0c2a6c8a1 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt @@ -0,0 +1,35 @@ +Fixed Voltage regulators + +Required properties: +- compatible: Must be "regulator-fixed"; +- regulator-name: Defined in regulator.txt as optional, but required here. + +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>; + }; |