The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/mfd/tps6507x.txt

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    1 TPS6507x Power Management Integrated Circuit
    2 
    3 Required properties:
    4 - compatible: "ti,tps6507x"
    5 - reg: I2C slave address
    6 - regulators: This is the list of child nodes that specify the regulator
    7   initialization data for defined regulators. Not all regulators for the
    8   given device need to be present. The definition for each of these nodes
    9   is defined using the standard binding for regulators found at
   10   Documentation/devicetree/bindings/regulator/regulator.txt.
   11   The regulator is matched with the regulator-compatible.
   12 
   13   The valid regulator-compatible values are:
   14   tps6507x: vdcdc1, vdcdc2, vdcdc3, vldo1, vldo2
   15 - xxx-supply: Input voltage supply regulator.
   16   These entries are required if regulators are enabled for a device.
   17   Missing of these properties can cause the regulator registration
   18   fails.
   19   If some of input supply is powered through battery or always-on
   20   supply then also it is require to have these parameters with proper
   21   node handle of always on power supply.
   22   tps6507x:
   23        vindcdc1_2-supply: VDCDC1 and VDCDC2 input.
   24        vindcdc3-supply  : VDCDC3 input.
   25        vldo1_2-supply   : VLDO1 and VLDO2 input.
   26 
   27 Regulator Optional properties:
   28 - defdcdc_default: It's property of DCDC2 and DCDC3 regulators.
   29                         0: If defdcdc pin of DCDC2/DCDC3 is pulled to GND.
   30                         1: If defdcdc pin of DCDC2/DCDC3 is driven HIGH.
   31   If this property is not defined, it defaults to 0 (not enabled).
   32 
   33 Example:
   34 
   35         pmu: tps6507x@48 {
   36                 compatible = "ti,tps6507x";
   37                 reg = <0x48>;
   38 
   39                 vindcdc1_2-supply = <&vbat>;
   40                 vindcdc3-supply = <...>;
   41                 vinldo1_2-supply = <...>;
   42 
   43                 regulators {
   44                         #address-cells = <1>;
   45                         #size-cells = <0>;
   46 
   47                         vdcdc1_reg: regulator@0 {
   48                                 regulator-compatible = "VDCDC1";
   49                                 reg = <0>;
   50                                 regulator-min-microvolt = <3150000>;
   51                                 regulator-max-microvolt = <3450000>;
   52                                 regulator-always-on;
   53                                 regulator-boot-on;
   54                         };
   55                         vdcdc2_reg: regulator@1 {
   56                                 regulator-compatible = "VDCDC2";
   57                                 reg = <1>;
   58                                 regulator-min-microvolt = <1710000>;
   59                                 regulator-max-microvolt = <3450000>;
   60                                 regulator-always-on;
   61                                 regulator-boot-on;
   62                                 defdcdc_default = <1>;
   63                         };
   64                         vdcdc3_reg: regulator@2 {
   65                                 regulator-compatible = "VDCDC3";
   66                                 reg = <2>;
   67                                 regulator-min-microvolt = <950000>
   68                                 regulator-max-microvolt = <1350000>;
   69                                 regulator-always-on;
   70                                 regulator-boot-on;
   71                                 defdcdc_default = <1>;
   72                         };
   73                         ldo1_reg: regulator@3 {
   74                                 regulator-compatible = "LDO1";
   75                                 reg = <3>;
   76                                 regulator-min-microvolt = <1710000>;
   77                                 regulator-max-microvolt = <1890000>;
   78                                 regulator-always-on;
   79                                 regulator-boot-on;
   80                         };
   81                         ldo2_reg: regulator@4 {
   82                                 regulator-compatible = "LDO2";
   83                                 reg = <4>;
   84                                 regulator-min-microvolt = <1140000>;
   85                                 regulator-max-microvolt = <1320000>;
   86                                 regulator-always-on;
   87                                 regulator-boot-on;
   88                         };
   89                 };
   90 
   91         };

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