mt6380-regulator.txt

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    1 MediaTek MT6380 Regulator
    2 
    3 All voltage regulators provided by the MT6380 PMIC are described as the
    4 subnodes of the MT6380 regulators node. Each regulator is named according
    5 to its regulator type, buck-<name> and ldo-<name>. The definition for each
    6 of these nodes is defined using the standard binding for regulators at
    7 Documentation/devicetree/bindings/regulator/regulator.txt.
    8 
    9 The valid names for regulators are:
   10 BUCK:
   11   buck-core1, buck-vcore, buck-vrf
   12 LDO:
   13   ldo-vm ,ldo-va , ldo-vphy, ldo-vddr, ldo-vt
   14 
   15 Example:
   16 
   17         regulators {
   18                 compatible = "mediatek,mt6380-regulator";
   19 
   20                 mt6380_vcpu_reg: buck-vcore1 {
   21                         regulator-name = "vcore1";
   22                         regulator-min-microvolt = < 600000>;
   23                         regulator-max-microvolt = <1393750>;
   24                         regulator-ramp-delay = <6250>;
   25                         regulator-always-on;
   26                         regulator-boot-on;
   27                 };
   28 
   29                 mt6380_vcore_reg: buck-vcore {
   30                         regulator-name = "vcore";
   31                         regulator-min-microvolt = <600000>;
   32                         regulator-max-microvolt = <1393750>;
   33                         regulator-ramp-delay = <6250>;
   34                 };
   35 
   36                 mt6380_vrf_reg: buck-vrf {
   37                         regulator-name = "vrf";
   38                         regulator-min-microvolt = <1200000>;
   39                         regulator-max-microvolt = <1575000>;
   40                         regulator-ramp-delay = <0>;
   41                         regulator-always-on;
   42                         regulator-boot-on;
   43                 };
   44 
   45                 mt6380_vm_reg: ldo-vm {
   46                         regulator-name = "vm";
   47                         regulator-min-microvolt = <1050000>;
   48                         regulator-max-microvolt = <1400000>;
   49                         regulator-ramp-delay = <0>;
   50                         regulator-always-on;
   51                         regulator-boot-on;
   52                 };
   53 
   54                 mt6380_va_reg: ldo-va {
   55                         regulator-name = "va";
   56                         regulator-min-microvolt = <2200000>;
   57                         regulator-max-microvolt = <3300000>;
   58                         regulator-ramp-delay = <0>;
   59                         regulator-always-on;
   60                         regulator-boot-on;
   61                 };
   62 
   63                 mt6380_vphy_reg: ldo-vphy {
   64                         regulator-name = "vphy";
   65                         regulator-min-microvolt = <1800000>;
   66                         regulator-max-microvolt = <1800000>;
   67                         regulator-ramp-delay = <0>;
   68                         regulator-always-on;
   69                         regulator-boot-on;
   70                 };
   71 
   72                 mt6380_vddr_reg: ldo-vddr {
   73                         regulator-name = "vddr";
   74                         regulator-min-microvolt = <1240000>;
   75                         regulator-max-microvolt = <1840000>;
   76                         regulator-ramp-delay = <0>;
   77                         regulator-always-on;
   78                         regulator-boot-on;
   79                 };
   80 
   81                 mt6380_vt_reg: ldo-vt {
   82                         regulator-name = "vt";
   83                         regulator-min-microvolt = <2200000>;
   84                         regulator-max-microvolt = <3300000>;
   85                         regulator-ramp-delay = <0>;
   86                         regulator-always-on;
   87                         regulator-boot-on;
   88                 };
   89         };

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