|  | Mediatek MT6397 Regulator Driver | 
|  |  | 
|  | Required properties: | 
|  | - compatible: "mediatek,mt6397-regulator" | 
|  | - mt6397regulator: 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_vpca15, buck_vpca7, buck_vsramca15, buck_vsramca7, buck_vcore, buck_vgpu, | 
|  | buck_vdrm, buck_vio18 | 
|  | LDO: | 
|  | ldo_vtcxo, ldo_va28, ldo_vcama, ldo_vio28, ldo_vusb, ldo_vmc, ldo_vmch, | 
|  | ldo_vemc3v3, ldo_vgp1, ldo_vgp2, ldo_vgp3, ldo_vgp4, ldo_vgp5, ldo_vgp6, | 
|  | ldo_vibr | 
|  |  | 
|  | Example: | 
|  | pmic { | 
|  | compatible = "mediatek,mt6397"; | 
|  |  | 
|  | mt6397regulator: mt6397regulator { | 
|  | compatible = "mediatek,mt6397-regulator"; | 
|  |  | 
|  | mt6397_vpca15_reg: buck_vpca15 { | 
|  | regulator-compatible = "buck_vpca15"; | 
|  | regulator-name = "vpca15"; | 
|  | regulator-min-microvolt = < 850000>; | 
|  | regulator-max-microvolt = <1350000>; | 
|  | regulator-ramp-delay = <12500>; | 
|  | regulator-enable-ramp-delay = <200>; | 
|  | }; | 
|  |  | 
|  | mt6397_vpca7_reg: buck_vpca7 { | 
|  | regulator-compatible = "buck_vpca7"; | 
|  | regulator-name = "vpca7"; | 
|  | regulator-min-microvolt = < 850000>; | 
|  | regulator-max-microvolt = <1350000>; | 
|  | regulator-ramp-delay = <12500>; | 
|  | regulator-enable-ramp-delay = <115>; | 
|  | }; | 
|  |  | 
|  | mt6397_vsramca15_reg: buck_vsramca15 { | 
|  | regulator-compatible = "buck_vsramca15"; | 
|  | regulator-name = "vsramca15"; | 
|  | regulator-min-microvolt = < 850000>; | 
|  | regulator-max-microvolt = <1350000>; | 
|  | regulator-ramp-delay = <12500>; | 
|  | regulator-enable-ramp-delay = <115>; | 
|  |  | 
|  | }; | 
|  |  | 
|  | mt6397_vsramca7_reg: buck_vsramca7 { | 
|  | regulator-compatible = "buck_vsramca7"; | 
|  | regulator-name = "vsramca7"; | 
|  | regulator-min-microvolt = < 850000>; | 
|  | regulator-max-microvolt = <1350000>; | 
|  | regulator-ramp-delay = <12500>; | 
|  | regulator-enable-ramp-delay = <115>; | 
|  |  | 
|  | }; | 
|  |  | 
|  | mt6397_vcore_reg: buck_vcore { | 
|  | regulator-compatible = "buck_vcore"; | 
|  | regulator-name = "vcore"; | 
|  | regulator-min-microvolt = < 850000>; | 
|  | regulator-max-microvolt = <1350000>; | 
|  | regulator-ramp-delay = <12500>; | 
|  | regulator-enable-ramp-delay = <115>; | 
|  | }; | 
|  |  | 
|  | mt6397_vgpu_reg: buck_vgpu { | 
|  | regulator-compatible = "buck_vgpu"; | 
|  | regulator-name = "vgpu"; | 
|  | regulator-min-microvolt = < 700000>; | 
|  | regulator-max-microvolt = <1350000>; | 
|  | regulator-ramp-delay = <12500>; | 
|  | regulator-enable-ramp-delay = <115>; | 
|  | }; | 
|  |  | 
|  | mt6397_vdrm_reg: buck_vdrm { | 
|  | regulator-compatible = "buck_vdrm"; | 
|  | regulator-name = "vdrm"; | 
|  | regulator-min-microvolt = < 800000>; | 
|  | regulator-max-microvolt = <1400000>; | 
|  | regulator-ramp-delay = <12500>; | 
|  | regulator-enable-ramp-delay = <500>; | 
|  | }; | 
|  |  | 
|  | mt6397_vio18_reg: buck_vio18 { | 
|  | regulator-compatible = "buck_vio18"; | 
|  | regulator-name = "vio18"; | 
|  | regulator-min-microvolt = <1500000>; | 
|  | regulator-max-microvolt = <2120000>; | 
|  | regulator-ramp-delay = <12500>; | 
|  | regulator-enable-ramp-delay = <500>; | 
|  | }; | 
|  |  | 
|  | mt6397_vtcxo_reg: ldo_vtcxo { | 
|  | regulator-compatible = "ldo_vtcxo"; | 
|  | regulator-name = "vtcxo"; | 
|  | regulator-min-microvolt = <2800000>; | 
|  | regulator-max-microvolt = <2800000>; | 
|  | regulator-enable-ramp-delay = <90>; | 
|  | }; | 
|  |  | 
|  | mt6397_va28_reg: ldo_va28 { | 
|  | regulator-compatible = "ldo_va28"; | 
|  | regulator-name = "va28"; | 
|  | /* fixed output 2.8 V */ | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vcama_reg: ldo_vcama { | 
|  | regulator-compatible = "ldo_vcama"; | 
|  | regulator-name = "vcama"; | 
|  | regulator-min-microvolt = <1500000>; | 
|  | regulator-max-microvolt = <2800000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vio28_reg: ldo_vio28 { | 
|  | regulator-compatible = "ldo_vio28"; | 
|  | regulator-name = "vio28"; | 
|  | /* fixed output 2.8 V */ | 
|  | regulator-enable-ramp-delay = <240>; | 
|  | }; | 
|  |  | 
|  | mt6397_usb_reg: ldo_vusb { | 
|  | regulator-compatible = "ldo_vusb"; | 
|  | regulator-name = "vusb"; | 
|  | /* fixed output 3.3 V */ | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vmc_reg: ldo_vmc { | 
|  | regulator-compatible = "ldo_vmc"; | 
|  | regulator-name = "vmc"; | 
|  | regulator-min-microvolt = <1800000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vmch_reg: ldo_vmch { | 
|  | regulator-compatible = "ldo_vmch"; | 
|  | regulator-name = "vmch"; | 
|  | regulator-min-microvolt = <3000000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vemc_3v3_reg: ldo_vemc3v3 { | 
|  | regulator-compatible = "ldo_vemc3v3"; | 
|  | regulator-name = "vemc_3v3"; | 
|  | regulator-min-microvolt = <3000000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vgp1_reg: ldo_vgp1 { | 
|  | regulator-compatible = "ldo_vgp1"; | 
|  | regulator-name = "vcamd"; | 
|  | regulator-min-microvolt = <1220000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <240>; | 
|  | }; | 
|  |  | 
|  | mt6397_vgp2_reg: ldo_vgp2 { | 
|  | egulator-compatible = "ldo_vgp2"; | 
|  | regulator-name = "vcamio"; | 
|  | regulator-min-microvolt = <1000000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vgp3_reg: ldo_vgp3 { | 
|  | regulator-compatible = "ldo_vgp3"; | 
|  | regulator-name = "vcamaf"; | 
|  | regulator-min-microvolt = <1200000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vgp4_reg: ldo_vgp4 { | 
|  | regulator-compatible = "ldo_vgp4"; | 
|  | regulator-name = "vgp4"; | 
|  | regulator-min-microvolt = <1200000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vgp5_reg: ldo_vgp5 { | 
|  | regulator-compatible = "ldo_vgp5"; | 
|  | regulator-name = "vgp5"; | 
|  | regulator-min-microvolt = <1200000>; | 
|  | regulator-max-microvolt = <3000000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vgp6_reg: ldo_vgp6 { | 
|  | regulator-compatible = "ldo_vgp6"; | 
|  | regulator-name = "vgp6"; | 
|  | regulator-min-microvolt = <1200000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  |  | 
|  | mt6397_vibr_reg: ldo_vibr { | 
|  | regulator-compatible = "ldo_vibr"; | 
|  | regulator-name = "vibr"; | 
|  | regulator-min-microvolt = <1200000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-enable-ramp-delay = <218>; | 
|  | }; | 
|  | }; | 
|  | }; |