sprd,sc2731-regulator.txt

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    1 Spreadtrum SC2731 Voltage regulators
    2 
    3 The SC2731 integrates low-voltage and low quiescent current DCDC/LDO.
    4 14 LDO and 3 DCDCs are designed for external use. All DCDCs/LDOs have
    5 their own bypass (power-down) control signals. External tantalum or MLCC
    6 ceramic capacitors are recommended to use with these LDOs.
    7 
    8 Required properties:
    9  - compatible: should be "sprd,sc27xx-regulator".
   10 
   11 List of regulators provided by this controller. It is named according to
   12 its regulator type, BUCK_<name> and LDO_<name>. The definition for each
   13 of these nodes is defined using the standard binding for regulators at
   14 Documentation/devicetree/bindings/regulator/regulator.txt.
   15 
   16 The valid names for regulators are:
   17 BUCK:
   18         BUCK_CPU0, BUCK_CPU1, BUCK_RF
   19 LDO:
   20         LDO_CAMA0, LDO_CAMA1, LDO_CAMMOT, LDO_VLDO, LDO_EMMCCORE, LDO_SDCORE,
   21         LDO_SDIO, LDO_WIFIPA, LDO_USB33, LDO_CAMD0, LDO_CAMD1, LDO_CON,
   22         LDO_CAMIO, LDO_SRAM
   23 
   24 Example:
   25         regulators {
   26                 compatible = "sprd,sc27xx-regulator";
   27 
   28                 vddarm0: BUCK_CPU0 {
   29                         regulator-name = "vddarm0";
   30                         regulator-min-microvolt = <400000>;
   31                         regulator-max-microvolt = <1996875>;
   32                         regulator-ramp-delay = <25000>;
   33                         regulator-always-on;
   34                 };
   35 
   36                 vddcama0: LDO_CAMA0 {
   37                         regulator-name = "vddcama0";
   38                         regulator-min-microvolt = <1200000>;
   39                         regulator-max-microvolt = <3750000>;
   40                         regulator-enable-ramp-delay = <100>;
   41                 };
   42                 ...
   43         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/regulator/sprd,sc2731-regulator.txt

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sys/contrib/device-tree/Bindings/regulator/sprd,sc2731-regulator.txt