MediaTek MT6358 Regulator All voltage regulators provided by the MT6358 PMIC are described as the subnodes of the MT6358 regulators node. Each regulator is named according to its regulator type, buck_ and ldo_. 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_vdram1, buck_vcore, buck_vpa, buck_vproc11, buck_vproc12, buck_vgpu, buck_vs2, buck_vmodem, buck_vs1 LDO: ldo_vdram2, ldo_vsim1, ldo_vibr, ldo_vrf12, ldo_vio18, ldo_vusb, ldo_vcamio, ldo_vcamd, ldo_vcn18, ldo_vfe28, ldo_vsram_proc11, ldo_vcn28, ldo_vsram_others, ldo_vsram_gpu, ldo_vxo22, ldo_vefuse, ldo_vaux18, ldo_vmch, ldo_vbif28, ldo_vsram_proc12, ldo_vcama1, ldo_vemc, ldo_vio28, ldo_va12, ldo_vrf18, ldo_vcn33_bt, ldo_vcn33_wifi, ldo_vcama2, ldo_vmc, ldo_vldo28, ldo_vaud28, ldo_vsim2 Example: pmic { compatible = "mediatek,mt6358"; mt6358regulator: mt6358regulator { compatible = "mediatek,mt6358-regulator"; mt6358_vdram1_reg: buck_vdram1 { regulator-compatible = "buck_vdram1"; regulator-name = "vdram1"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <2087500>; regulator-ramp-delay = <12500>; regulator-enable-ramp-delay = <0>; regulator-always-on; }; mt6358_vcore_reg: buck_vcore { regulator-name = "vcore"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <200>; regulator-always-on; }; mt6358_vpa_reg: buck_vpa { regulator-name = "vpa"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <3650000>; regulator-ramp-delay = <50000>; regulator-enable-ramp-delay = <250>; }; mt6358_vproc11_reg: buck_vproc11 { regulator-name = "vproc11"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <200>; regulator-always-on; }; mt6358_vproc12_reg: buck_vproc12 { regulator-name = "vproc12"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <200>; regulator-always-on; }; mt6358_vgpu_reg: buck_vgpu { regulator-name = "vgpu"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <200>; }; mt6358_vs2_reg: buck_vs2 { regulator-name = "vs2"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <2087500>; regulator-ramp-delay = <12500>; regulator-enable-ramp-delay = <0>; regulator-always-on; }; mt6358_vmodem_reg: buck_vmodem { regulator-name = "vmodem"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <900>; regulator-always-on; }; mt6358_vs1_reg: buck_vs1 { regulator-name = "vs1"; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <2587500>; regulator-ramp-delay = <12500>; regulator-enable-ramp-delay = <0>; regulator-always-on; }; mt6358_vdram2_reg: ldo_vdram2 { regulator-name = "vdram2"; regulator-min-microvolt = <600000>; regulator-max-microvolt = <1800000>; regulator-enable-ramp-delay = <3300>; }; mt6358_vsim1_reg: ldo_vsim1 { regulator-name = "vsim1"; regulator-min-microvolt = <1700000>; regulator-max-microvolt = <3100000>; regulator-enable-ramp-delay = <540>; }; mt6358_vibr_reg: ldo_vibr { regulator-name = "vibr"; regulator-min-microvolt = <1200000>; regulator-max-microvolt = <3300000>; regulator-enable-ramp-delay = <60>; }; mt6358_vrf12_reg: ldo_vrf12 { compatible = "regulator-fixed"; regulator-name = "vrf12"; regulator-min-microvolt = <1200000>; regulator-max-microvolt = <1200000>; regulator-enable-ramp-delay = <120>; }; mt6358_vio18_reg: ldo_vio18 { compatible = "regulator-fixed"; regulator-name = "vio18"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-enable-ramp-delay = <2700>; regulator-always-on; }; mt6358_vusb_reg: ldo_vusb { regulator-name = "vusb"; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3100000>; regulator-enable-ramp-delay = <270>; regulator-always-on; }; mt6358_vcamio_reg: ldo_vcamio { compatible = "regulator-fixed"; regulator-name = "vcamio"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-enable-ramp-delay = <270>; }; mt6358_vcamd_reg: ldo_vcamd { regulator-name = "vcamd"; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1800000>; regulator-enable-ramp-delay = <270>; }; mt6358_vcn18_reg: ldo_vcn18 { compatible = "regulator-fixed"; regulator-name = "vcn18"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-enable-ramp-delay = <270>; }; mt6358_vfe28_reg: ldo_vfe28 { compatible = "regulator-fixed"; regulator-name = "vfe28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; regulator-enable-ramp-delay = <270>; }; mt6358_vsram_proc11_reg: ldo_vsram_proc11 { regulator-name = "vsram_proc11"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <240>; regulator-always-on; }; mt6358_vcn28_reg: ldo_vcn28 { compatible = "regulator-fixed"; regulator-name = "vcn28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; regulator-enable-ramp-delay = <270>; }; mt6358_vsram_others_reg: ldo_vsram_others { regulator-name = "vsram_others"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <240>; regulator-always-on; }; mt6358_vsram_gpu_reg: ldo_vsram_gpu { regulator-name = "vsram_gpu"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <240>; }; mt6358_vxo22_reg: ldo_vxo22 { compatible = "regulator-fixed"; regulator-name = "vxo22"; regulator-min-microvolt = <2200000>; regulator-max-microvolt = <2200000>; regulator-enable-ramp-delay = <120>; regulator-always-on; }; mt6358_vefuse_reg: ldo_vefuse { regulator-name = "vefuse"; regulator-min-microvolt = <1700000>; regulator-max-microvolt = <1900000>; regulator-enable-ramp-delay = <270>; }; mt6358_vaux18_reg: ldo_vaux18 { compatible = "regulator-fixed"; regulator-name = "vaux18"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-enable-ramp-delay = <270>; }; mt6358_vmch_reg: ldo_vmch { regulator-name = "vmch"; regulator-min-microvolt = <2900000>; regulator-max-microvolt = <3300000>; regulator-enable-ramp-delay = <60>; }; mt6358_vbif28_reg: ldo_vbif28 { compatible = "regulator-fixed"; regulator-name = "vbif28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; regulator-enable-ramp-delay = <270>; }; mt6358_vsram_proc12_reg: ldo_vsram_proc12 { regulator-name = "vsram_proc12"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1293750>; regulator-ramp-delay = <6250>; regulator-enable-ramp-delay = <240>; regulator-always-on; }; mt6358_vcama1_reg: ldo_vcama1 { regulator-name = "vcama1"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3000000>; regulator-enable-ramp-delay = <270>; }; mt6358_vemc_reg: ldo_vemc { regulator-name = "vemc"; regulator-min-microvolt = <2900000>; regulator-max-microvolt = <3300000>; regulator-enable-ramp-delay = <60>; regulator-always-on; }; mt6358_vio28_reg: ldo_vio28 { compatible = "regulator-fixed"; regulator-name = "vio28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; regulator-enable-ramp-delay = <270>; }; mt6358_va12_reg: ldo_va12 { compatible = "regulator-fixed"; regulator-name = "va12"; regulator-min-microvolt = <1200000>; regulator-max-microvolt = <1200000>; regulator-enable-ramp-delay = <270>; regulator-always-on; }; mt6358_vrf18_reg: ldo_vrf18 { compatible = "regulator-fixed"; regulator-name = "vrf18"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-enable-ramp-delay = <120>; }; mt6358_vcn33_bt_reg: ldo_vcn33_bt { regulator-name = "vcn33_bt"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3500000>; regulator-enable-ramp-delay = <270>; }; mt6358_vcn33_wifi_reg: ldo_vcn33_wifi { regulator-name = "vcn33_wifi"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3500000>; regulator-enable-ramp-delay = <270>; }; mt6358_vcama2_reg: ldo_vcama2 { regulator-name = "vcama2"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3000000>; regulator-enable-ramp-delay = <270>; }; mt6358_vmc_reg: ldo_vmc { regulator-name = "vmc"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-enable-ramp-delay = <60>; }; mt6358_vldo28_reg: ldo_vldo28 { regulator-name = "vldo28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <3000000>; regulator-enable-ramp-delay = <270>; }; mt6358_vaud28_reg: ldo_vaud28 { compatible = "regulator-fixed"; regulator-name = "vaud28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; regulator-enable-ramp-delay = <270>; }; mt6358_vsim2_reg: ldo_vsim2 { regulator-name = "vsim2"; regulator-min-microvolt = <1700000>; regulator-max-microvolt = <3100000>; regulator-enable-ramp-delay = <540>; }; }; };