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- Spreadtrum SC2731 Voltage regulators
- The SC2731 integrates low-voltage and low quiescent current DCDC/LDO.
- 14 LDO and 3 DCDCs are designed for external use. All DCDCs/LDOs have
- their own bypass (power-down) control signals. External tantalum or MLCC
- ceramic capacitors are recommended to use with these LDOs.
- Required properties:
- - compatible: should be "sprd,sc27xx-regulator".
- List of regulators provided by this controller. It 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_CPU0, BUCK_CPU1, BUCK_RF
- LDO:
- LDO_CAMA0, LDO_CAMA1, LDO_CAMMOT, LDO_VLDO, LDO_EMMCCORE, LDO_SDCORE,
- LDO_SDIO, LDO_WIFIPA, LDO_USB33, LDO_CAMD0, LDO_CAMD1, LDO_CON,
- LDO_CAMIO, LDO_SRAM
- Example:
- regulators {
- compatible = "sprd,sc27xx-regulator";
- vddarm0: BUCK_CPU0 {
- regulator-name = "vddarm0";
- regulator-min-microvolt = <400000>;
- regulator-max-microvolt = <1996875>;
- regulator-ramp-delay = <25000>;
- regulator-always-on;
- };
- vddcama0: LDO_CAMA0 {
- regulator-name = "vddcama0";
- regulator-min-microvolt = <1200000>;
- regulator-max-microvolt = <3750000>;
- regulator-enable-ramp-delay = <100>;
- };
- ...
- };
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