1MediaTek MT6358 Regulator 2 3All voltage regulators provided by the MT6358 PMIC are described as the 4subnodes of the MT6358 regulators node. Each regulator is named according 5to its regulator type, buck_<name> and ldo_<name>. The definition for each 6of these nodes is defined using the standard binding for regulators at 7Documentation/devicetree/bindings/regulator/regulator.txt. 8 9The valid names for regulators are:: 10BUCK: 11 buck_vdram1, buck_vcore, buck_vcore_sshub, buck_vpa, buck_vproc11, 12 buck_vproc12, buck_vgpu, buck_vs2, buck_vmodem, buck_vs1 13LDO: 14 ldo_vdram2, ldo_vsim1, ldo_vibr, ldo_vrf12, ldo_vio18, ldo_vusb, ldo_vcamio, 15 ldo_vcamd, ldo_vcn18, ldo_vfe28, ldo_vsram_proc11, ldo_vcn28, ldo_vsram_others, 16 ldo_vsram_others_sshub, ldo_vsram_gpu, ldo_vxo22, ldo_vefuse, ldo_vaux18, 17 ldo_vmch, ldo_vbif28, ldo_vsram_proc12, ldo_vcama1, ldo_vemc, ldo_vio28, ldo_va12, 18 ldo_vrf18, ldo_vcn33_bt, ldo_vcn33_wifi, ldo_vcama2, ldo_vmc, ldo_vldo28, ldo_vaud28, 19 ldo_vsim2 20 21Example: 22 23 pmic { 24 compatible = "mediatek,mt6358"; 25 26 mt6358regulator: mt6358regulator { 27 compatible = "mediatek,mt6358-regulator"; 28 29 mt6358_vdram1_reg: buck_vdram1 { 30 regulator-compatible = "buck_vdram1"; 31 regulator-name = "vdram1"; 32 regulator-min-microvolt = <500000>; 33 regulator-max-microvolt = <2087500>; 34 regulator-ramp-delay = <12500>; 35 regulator-enable-ramp-delay = <0>; 36 regulator-always-on; 37 }; 38 39 mt6358_vcore_reg: buck_vcore { 40 regulator-name = "vcore"; 41 regulator-min-microvolt = <500000>; 42 regulator-max-microvolt = <1293750>; 43 regulator-ramp-delay = <6250>; 44 regulator-enable-ramp-delay = <200>; 45 regulator-always-on; 46 }; 47 48 mt6358_vpa_reg: buck_vpa { 49 regulator-name = "vpa"; 50 regulator-min-microvolt = <500000>; 51 regulator-max-microvolt = <3650000>; 52 regulator-ramp-delay = <50000>; 53 regulator-enable-ramp-delay = <250>; 54 }; 55 56 mt6358_vproc11_reg: buck_vproc11 { 57 regulator-name = "vproc11"; 58 regulator-min-microvolt = <500000>; 59 regulator-max-microvolt = <1293750>; 60 regulator-ramp-delay = <6250>; 61 regulator-enable-ramp-delay = <200>; 62 regulator-always-on; 63 }; 64 65 mt6358_vproc12_reg: buck_vproc12 { 66 regulator-name = "vproc12"; 67 regulator-min-microvolt = <500000>; 68 regulator-max-microvolt = <1293750>; 69 regulator-ramp-delay = <6250>; 70 regulator-enable-ramp-delay = <200>; 71 regulator-always-on; 72 }; 73 74 mt6358_vgpu_reg: buck_vgpu { 75 regulator-name = "vgpu"; 76 regulator-min-microvolt = <500000>; 77 regulator-max-microvolt = <1293750>; 78 regulator-ramp-delay = <6250>; 79 regulator-enable-ramp-delay = <200>; 80 }; 81 82 mt6358_vs2_reg: buck_vs2 { 83 regulator-name = "vs2"; 84 regulator-min-microvolt = <500000>; 85 regulator-max-microvolt = <2087500>; 86 regulator-ramp-delay = <12500>; 87 regulator-enable-ramp-delay = <0>; 88 regulator-always-on; 89 }; 90 91 mt6358_vmodem_reg: buck_vmodem { 92 regulator-name = "vmodem"; 93 regulator-min-microvolt = <500000>; 94 regulator-max-microvolt = <1293750>; 95 regulator-ramp-delay = <6250>; 96 regulator-enable-ramp-delay = <900>; 97 regulator-always-on; 98 }; 99 100 mt6358_vs1_reg: buck_vs1 { 101 regulator-name = "vs1"; 102 regulator-min-microvolt = <1000000>; 103 regulator-max-microvolt = <2587500>; 104 regulator-ramp-delay = <12500>; 105 regulator-enable-ramp-delay = <0>; 106 regulator-always-on; 107 }; 108 109 mt6358_vdram2_reg: ldo_vdram2 { 110 regulator-name = "vdram2"; 111 regulator-min-microvolt = <600000>; 112 regulator-max-microvolt = <1800000>; 113 regulator-enable-ramp-delay = <3300>; 114 }; 115 116 mt6358_vsim1_reg: ldo_vsim1 { 117 regulator-name = "vsim1"; 118 regulator-min-microvolt = <1700000>; 119 regulator-max-microvolt = <3100000>; 120 regulator-enable-ramp-delay = <540>; 121 }; 122 123 mt6358_vibr_reg: ldo_vibr { 124 regulator-name = "vibr"; 125 regulator-min-microvolt = <1200000>; 126 regulator-max-microvolt = <3300000>; 127 regulator-enable-ramp-delay = <60>; 128 }; 129 130 mt6358_vrf12_reg: ldo_vrf12 { 131 compatible = "regulator-fixed"; 132 regulator-name = "vrf12"; 133 regulator-min-microvolt = <1200000>; 134 regulator-max-microvolt = <1200000>; 135 regulator-enable-ramp-delay = <120>; 136 }; 137 138 mt6358_vio18_reg: ldo_vio18 { 139 compatible = "regulator-fixed"; 140 regulator-name = "vio18"; 141 regulator-min-microvolt = <1800000>; 142 regulator-max-microvolt = <1800000>; 143 regulator-enable-ramp-delay = <2700>; 144 regulator-always-on; 145 }; 146 147 mt6358_vusb_reg: ldo_vusb { 148 regulator-name = "vusb"; 149 regulator-min-microvolt = <3000000>; 150 regulator-max-microvolt = <3100000>; 151 regulator-enable-ramp-delay = <270>; 152 regulator-always-on; 153 }; 154 155 mt6358_vcamio_reg: ldo_vcamio { 156 compatible = "regulator-fixed"; 157 regulator-name = "vcamio"; 158 regulator-min-microvolt = <1800000>; 159 regulator-max-microvolt = <1800000>; 160 regulator-enable-ramp-delay = <270>; 161 }; 162 163 mt6358_vcamd_reg: ldo_vcamd { 164 regulator-name = "vcamd"; 165 regulator-min-microvolt = <900000>; 166 regulator-max-microvolt = <1800000>; 167 regulator-enable-ramp-delay = <270>; 168 }; 169 170 mt6358_vcn18_reg: ldo_vcn18 { 171 compatible = "regulator-fixed"; 172 regulator-name = "vcn18"; 173 regulator-min-microvolt = <1800000>; 174 regulator-max-microvolt = <1800000>; 175 regulator-enable-ramp-delay = <270>; 176 }; 177 178 mt6358_vfe28_reg: ldo_vfe28 { 179 compatible = "regulator-fixed"; 180 regulator-name = "vfe28"; 181 regulator-min-microvolt = <2800000>; 182 regulator-max-microvolt = <2800000>; 183 regulator-enable-ramp-delay = <270>; 184 }; 185 186 mt6358_vsram_proc11_reg: ldo_vsram_proc11 { 187 regulator-name = "vsram_proc11"; 188 regulator-min-microvolt = <500000>; 189 regulator-max-microvolt = <1293750>; 190 regulator-ramp-delay = <6250>; 191 regulator-enable-ramp-delay = <240>; 192 regulator-always-on; 193 }; 194 195 mt6358_vcn28_reg: ldo_vcn28 { 196 compatible = "regulator-fixed"; 197 regulator-name = "vcn28"; 198 regulator-min-microvolt = <2800000>; 199 regulator-max-microvolt = <2800000>; 200 regulator-enable-ramp-delay = <270>; 201 }; 202 203 mt6358_vsram_others_reg: ldo_vsram_others { 204 regulator-name = "vsram_others"; 205 regulator-min-microvolt = <500000>; 206 regulator-max-microvolt = <1293750>; 207 regulator-ramp-delay = <6250>; 208 regulator-enable-ramp-delay = <240>; 209 regulator-always-on; 210 }; 211 212 mt6358_vsram_gpu_reg: ldo_vsram_gpu { 213 regulator-name = "vsram_gpu"; 214 regulator-min-microvolt = <500000>; 215 regulator-max-microvolt = <1293750>; 216 regulator-ramp-delay = <6250>; 217 regulator-enable-ramp-delay = <240>; 218 }; 219 220 mt6358_vxo22_reg: ldo_vxo22 { 221 compatible = "regulator-fixed"; 222 regulator-name = "vxo22"; 223 regulator-min-microvolt = <2200000>; 224 regulator-max-microvolt = <2200000>; 225 regulator-enable-ramp-delay = <120>; 226 regulator-always-on; 227 }; 228 229 mt6358_vefuse_reg: ldo_vefuse { 230 regulator-name = "vefuse"; 231 regulator-min-microvolt = <1700000>; 232 regulator-max-microvolt = <1900000>; 233 regulator-enable-ramp-delay = <270>; 234 }; 235 236 mt6358_vaux18_reg: ldo_vaux18 { 237 compatible = "regulator-fixed"; 238 regulator-name = "vaux18"; 239 regulator-min-microvolt = <1800000>; 240 regulator-max-microvolt = <1800000>; 241 regulator-enable-ramp-delay = <270>; 242 }; 243 244 mt6358_vmch_reg: ldo_vmch { 245 regulator-name = "vmch"; 246 regulator-min-microvolt = <2900000>; 247 regulator-max-microvolt = <3300000>; 248 regulator-enable-ramp-delay = <60>; 249 }; 250 251 mt6358_vbif28_reg: ldo_vbif28 { 252 compatible = "regulator-fixed"; 253 regulator-name = "vbif28"; 254 regulator-min-microvolt = <2800000>; 255 regulator-max-microvolt = <2800000>; 256 regulator-enable-ramp-delay = <270>; 257 }; 258 259 mt6358_vsram_proc12_reg: ldo_vsram_proc12 { 260 regulator-name = "vsram_proc12"; 261 regulator-min-microvolt = <500000>; 262 regulator-max-microvolt = <1293750>; 263 regulator-ramp-delay = <6250>; 264 regulator-enable-ramp-delay = <240>; 265 regulator-always-on; 266 }; 267 268 mt6358_vcama1_reg: ldo_vcama1 { 269 regulator-name = "vcama1"; 270 regulator-min-microvolt = <1800000>; 271 regulator-max-microvolt = <3000000>; 272 regulator-enable-ramp-delay = <270>; 273 }; 274 275 mt6358_vemc_reg: ldo_vemc { 276 regulator-name = "vemc"; 277 regulator-min-microvolt = <2900000>; 278 regulator-max-microvolt = <3300000>; 279 regulator-enable-ramp-delay = <60>; 280 regulator-always-on; 281 }; 282 283 mt6358_vio28_reg: ldo_vio28 { 284 compatible = "regulator-fixed"; 285 regulator-name = "vio28"; 286 regulator-min-microvolt = <2800000>; 287 regulator-max-microvolt = <2800000>; 288 regulator-enable-ramp-delay = <270>; 289 }; 290 291 mt6358_va12_reg: ldo_va12 { 292 compatible = "regulator-fixed"; 293 regulator-name = "va12"; 294 regulator-min-microvolt = <1200000>; 295 regulator-max-microvolt = <1200000>; 296 regulator-enable-ramp-delay = <270>; 297 regulator-always-on; 298 }; 299 300 mt6358_vrf18_reg: ldo_vrf18 { 301 compatible = "regulator-fixed"; 302 regulator-name = "vrf18"; 303 regulator-min-microvolt = <1800000>; 304 regulator-max-microvolt = <1800000>; 305 regulator-enable-ramp-delay = <120>; 306 }; 307 308 mt6358_vcn33_bt_reg: ldo_vcn33_bt { 309 regulator-name = "vcn33_bt"; 310 regulator-min-microvolt = <3300000>; 311 regulator-max-microvolt = <3500000>; 312 regulator-enable-ramp-delay = <270>; 313 }; 314 315 mt6358_vcn33_wifi_reg: ldo_vcn33_wifi { 316 regulator-name = "vcn33_wifi"; 317 regulator-min-microvolt = <3300000>; 318 regulator-max-microvolt = <3500000>; 319 regulator-enable-ramp-delay = <270>; 320 }; 321 322 mt6358_vcama2_reg: ldo_vcama2 { 323 regulator-name = "vcama2"; 324 regulator-min-microvolt = <1800000>; 325 regulator-max-microvolt = <3000000>; 326 regulator-enable-ramp-delay = <270>; 327 }; 328 329 mt6358_vmc_reg: ldo_vmc { 330 regulator-name = "vmc"; 331 regulator-min-microvolt = <1800000>; 332 regulator-max-microvolt = <3300000>; 333 regulator-enable-ramp-delay = <60>; 334 }; 335 336 mt6358_vldo28_reg: ldo_vldo28 { 337 regulator-name = "vldo28"; 338 regulator-min-microvolt = <2800000>; 339 regulator-max-microvolt = <3000000>; 340 regulator-enable-ramp-delay = <270>; 341 }; 342 343 mt6358_vaud28_reg: ldo_vaud28 { 344 compatible = "regulator-fixed"; 345 regulator-name = "vaud28"; 346 regulator-min-microvolt = <2800000>; 347 regulator-max-microvolt = <2800000>; 348 regulator-enable-ramp-delay = <270>; 349 }; 350 351 mt6358_vsim2_reg: ldo_vsim2 { 352 regulator-name = "vsim2"; 353 regulator-min-microvolt = <1700000>; 354 regulator-max-microvolt = <3100000>; 355 regulator-enable-ramp-delay = <540>; 356 }; 357 358 mt6358_vcore_sshub_reg: buck_vcore_sshub { 359 regulator-name = "vcore_sshub"; 360 regulator-min-microvolt = <500000>; 361 regulator-max-microvolt = <1293750>; 362 }; 363 364 mt6358_vsram_others_sshub_reg: ldo_vsram_others_sshub { 365 regulator-name = "vsram_others_sshub"; 366 regulator-min-microvolt = <500000>; 367 regulator-max-microvolt = <1293750>; 368 }; 369 }; 370 }; 371