Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/contrib/device-tree/Bindings/regulator/pfuze100.txt
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1 PFUZE100 family of regulators 2 3 Required properties: 4 - compatible: "fsl,pfuze100", "fsl,pfuze200", "fsl,pfuze3000", "fsl,pfuze3001" 5 - reg: I2C slave address 6 7 Optional properties: 8 - fsl,pfuze-support-disable-sw: Boolean, if present disable all unused switch 9 regulators to save power consumption. Attention, ensure that all important 10 regulators (e.g. DDR ref, DDR supply) has set the "regulator-always-on" 11 property. If not present, the switched regulators are always on and can't be 12 disabled. This binding is a workaround to keep backward compatibility with 13 old dtb's which rely on the fact that the switched regulators are always on 14 and don't mark them explicit as "regulator-always-on". 15 - fsl,pmic-stby-poweroff: if present, configure the PMIC to shutdown all 16 power rails when PMIC_STBY_REQ line is asserted during the power off sequence. 17 Use this option if the SoC should be powered off by external power 18 management IC (PMIC) on PMIC_STBY_REQ signal. 19 As opposite to PMIC_STBY_REQ boards can implement PMIC_ON_REQ signal. 20 21 Required child node: 22 - regulators: This is the list of child nodes that specify the regulator 23 initialization data for defined regulators. Please refer to below doc 24 Documentation/devicetree/bindings/regulator/regulator.txt. 25 26 The valid names for regulators are: 27 --PFUZE100 28 sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6 29 --PFUZE200 30 sw1ab,sw2,sw3a,sw3b,swbst,vsnvs,vrefddr,vgen1~vgen6,coin 31 --PFUZE3000 32 sw1a,sw1b,sw2,sw3,swbst,vsnvs,vrefddr,vldo1,vldo2,vccsd,v33,vldo3,vldo4 33 --PFUZE3001 34 sw1,sw2,sw3,vsnvs,vldo1,vldo2,vccsd,v33,vldo3,vldo4 35 36 Each regulator is defined using the standard binding for regulators. 37 38 Example 1: PFUZE100 39 40 pfuze100: pmic@8 { 41 compatible = "fsl,pfuze100"; 42 reg = <0x08>; 43 44 regulators { 45 sw1a_reg: sw1ab { 46 regulator-min-microvolt = <300000>; 47 regulator-max-microvolt = <1875000>; 48 regulator-boot-on; 49 regulator-always-on; 50 regulator-ramp-delay = <6250>; 51 }; 52 53 sw1c_reg: sw1c { 54 regulator-min-microvolt = <300000>; 55 regulator-max-microvolt = <1875000>; 56 regulator-boot-on; 57 regulator-always-on; 58 }; 59 60 sw2_reg: sw2 { 61 regulator-min-microvolt = <800000>; 62 regulator-max-microvolt = <3300000>; 63 regulator-boot-on; 64 regulator-always-on; 65 }; 66 67 sw3a_reg: sw3a { 68 regulator-min-microvolt = <400000>; 69 regulator-max-microvolt = <1975000>; 70 regulator-boot-on; 71 regulator-always-on; 72 }; 73 74 sw3b_reg: sw3b { 75 regulator-min-microvolt = <400000>; 76 regulator-max-microvolt = <1975000>; 77 regulator-boot-on; 78 regulator-always-on; 79 }; 80 81 sw4_reg: sw4 { 82 regulator-min-microvolt = <800000>; 83 regulator-max-microvolt = <3300000>; 84 }; 85 86 swbst_reg: swbst { 87 regulator-min-microvolt = <5000000>; 88 regulator-max-microvolt = <5150000>; 89 }; 90 91 snvs_reg: vsnvs { 92 regulator-min-microvolt = <1000000>; 93 regulator-max-microvolt = <3000000>; 94 regulator-boot-on; 95 regulator-always-on; 96 }; 97 98 vref_reg: vrefddr { 99 regulator-boot-on; 100 regulator-always-on; 101 }; 102 103 vgen1_reg: vgen1 { 104 regulator-min-microvolt = <800000>; 105 regulator-max-microvolt = <1550000>; 106 }; 107 108 vgen2_reg: vgen2 { 109 regulator-min-microvolt = <800000>; 110 regulator-max-microvolt = <1550000>; 111 }; 112 113 vgen3_reg: vgen3 { 114 regulator-min-microvolt = <1800000>; 115 regulator-max-microvolt = <3300000>; 116 }; 117 118 vgen4_reg: vgen4 { 119 regulator-min-microvolt = <1800000>; 120 regulator-max-microvolt = <3300000>; 121 regulator-always-on; 122 }; 123 124 vgen5_reg: vgen5 { 125 regulator-min-microvolt = <1800000>; 126 regulator-max-microvolt = <3300000>; 127 regulator-always-on; 128 }; 129 130 vgen6_reg: vgen6 { 131 regulator-min-microvolt = <1800000>; 132 regulator-max-microvolt = <3300000>; 133 regulator-always-on; 134 }; 135 }; 136 }; 137 138 139 Example 2: PFUZE200 140 141 pfuze200: pmic@8 { 142 compatible = "fsl,pfuze200"; 143 reg = <0x08>; 144 145 regulators { 146 sw1a_reg: sw1ab { 147 regulator-min-microvolt = <300000>; 148 regulator-max-microvolt = <1875000>; 149 regulator-boot-on; 150 regulator-always-on; 151 regulator-ramp-delay = <6250>; 152 }; 153 154 sw2_reg: sw2 { 155 regulator-min-microvolt = <800000>; 156 regulator-max-microvolt = <3300000>; 157 regulator-boot-on; 158 regulator-always-on; 159 }; 160 161 sw3a_reg: sw3a { 162 regulator-min-microvolt = <400000>; 163 regulator-max-microvolt = <1975000>; 164 regulator-boot-on; 165 regulator-always-on; 166 }; 167 168 sw3b_reg: sw3b { 169 regulator-min-microvolt = <400000>; 170 regulator-max-microvolt = <1975000>; 171 regulator-boot-on; 172 regulator-always-on; 173 }; 174 175 swbst_reg: swbst { 176 regulator-min-microvolt = <5000000>; 177 regulator-max-microvolt = <5150000>; 178 }; 179 180 snvs_reg: vsnvs { 181 regulator-min-microvolt = <1000000>; 182 regulator-max-microvolt = <3000000>; 183 regulator-boot-on; 184 regulator-always-on; 185 }; 186 187 vref_reg: vrefddr { 188 regulator-boot-on; 189 regulator-always-on; 190 }; 191 192 vgen1_reg: vgen1 { 193 regulator-min-microvolt = <800000>; 194 regulator-max-microvolt = <1550000>; 195 }; 196 197 vgen2_reg: vgen2 { 198 regulator-min-microvolt = <800000>; 199 regulator-max-microvolt = <1550000>; 200 }; 201 202 vgen3_reg: vgen3 { 203 regulator-min-microvolt = <1800000>; 204 regulator-max-microvolt = <3300000>; 205 }; 206 207 vgen4_reg: vgen4 { 208 regulator-min-microvolt = <1800000>; 209 regulator-max-microvolt = <3300000>; 210 regulator-always-on; 211 }; 212 213 vgen5_reg: vgen5 { 214 regulator-min-microvolt = <1800000>; 215 regulator-max-microvolt = <3300000>; 216 regulator-always-on; 217 }; 218 219 vgen6_reg: vgen6 { 220 regulator-min-microvolt = <1800000>; 221 regulator-max-microvolt = <3300000>; 222 regulator-always-on; 223 }; 224 225 coin_reg: coin { 226 regulator-min-microvolt = <2500000>; 227 regulator-max-microvolt = <3300000>; 228 regulator-always-on; 229 }; 230 }; 231 }; 232 233 Example 3: PFUZE3000 234 235 pfuze3000: pmic@8 { 236 compatible = "fsl,pfuze3000"; 237 reg = <0x08>; 238 239 regulators { 240 sw1a_reg: sw1a { 241 regulator-min-microvolt = <700000>; 242 regulator-max-microvolt = <1475000>; 243 regulator-boot-on; 244 regulator-always-on; 245 regulator-ramp-delay = <6250>; 246 }; 247 /* use sw1c_reg to align with pfuze100/pfuze200 */ 248 sw1c_reg: sw1b { 249 regulator-min-microvolt = <700000>; 250 regulator-max-microvolt = <1475000>; 251 regulator-boot-on; 252 regulator-always-on; 253 regulator-ramp-delay = <6250>; 254 }; 255 256 sw2_reg: sw2 { 257 regulator-min-microvolt = <2500000>; 258 regulator-max-microvolt = <3300000>; 259 regulator-boot-on; 260 regulator-always-on; 261 }; 262 263 sw3a_reg: sw3 { 264 regulator-min-microvolt = <900000>; 265 regulator-max-microvolt = <1650000>; 266 regulator-boot-on; 267 regulator-always-on; 268 }; 269 270 swbst_reg: swbst { 271 regulator-min-microvolt = <5000000>; 272 regulator-max-microvolt = <5150000>; 273 }; 274 275 snvs_reg: vsnvs { 276 regulator-min-microvolt = <1000000>; 277 regulator-max-microvolt = <3000000>; 278 regulator-boot-on; 279 regulator-always-on; 280 }; 281 282 vref_reg: vrefddr { 283 regulator-boot-on; 284 regulator-always-on; 285 }; 286 287 vgen1_reg: vldo1 { 288 regulator-min-microvolt = <1800000>; 289 regulator-max-microvolt = <3300000>; 290 regulator-always-on; 291 }; 292 293 vgen2_reg: vldo2 { 294 regulator-min-microvolt = <800000>; 295 regulator-max-microvolt = <1550000>; 296 }; 297 298 vgen3_reg: vccsd { 299 regulator-min-microvolt = <2850000>; 300 regulator-max-microvolt = <3300000>; 301 regulator-always-on; 302 }; 303 304 vgen4_reg: v33 { 305 regulator-min-microvolt = <2850000>; 306 regulator-max-microvolt = <3300000>; 307 }; 308 309 vgen5_reg: vldo3 { 310 regulator-min-microvolt = <1800000>; 311 regulator-max-microvolt = <3300000>; 312 regulator-always-on; 313 }; 314 315 vgen6_reg: vldo4 { 316 regulator-min-microvolt = <1800000>; 317 regulator-max-microvolt = <3300000>; 318 regulator-always-on; 319 }; 320 }; 321 }; 322 323 Example 4: PFUZE 3001 324 325 pfuze3001: pmic@8 { 326 compatible = "fsl,pfuze3001"; 327 reg = <0x08>; 328 329 regulators { 330 sw1_reg: sw1 { 331 regulator-min-microvolt = <700000>; 332 regulator-max-microvolt = <3300000>; 333 regulator-boot-on; 334 regulator-always-on; 335 }; 336 337 sw2_reg: sw2 { 338 regulator-min-microvolt = <1500000>; 339 regulator-max-microvolt = <3300000>; 340 regulator-boot-on; 341 regulator-always-on; 342 }; 343 344 sw3_reg: sw3 { 345 regulator-min-microvolt = <900000>; 346 regulator-max-microvolt = <1650000>; 347 regulator-boot-on; 348 regulator-always-on; 349 }; 350 351 snvs_reg: vsnvs { 352 regulator-min-microvolt = <1000000>; 353 regulator-max-microvolt = <3000000>; 354 regulator-boot-on; 355 regulator-always-on; 356 }; 357 358 vgen1_reg: vldo1 { 359 regulator-min-microvolt = <1800000>; 360 regulator-max-microvolt = <3300000>; 361 regulator-always-on; 362 }; 363 364 vgen2_reg: vldo2 { 365 regulator-min-microvolt = <800000>; 366 regulator-max-microvolt = <1550000>; 367 regulator-always-on; 368 }; 369 370 vgen3_reg: vccsd { 371 regulator-min-microvolt = <2850000>; 372 regulator-max-microvolt = <3300000>; 373 regulator-always-on; 374 }; 375 376 vgen4_reg: v33 { 377 regulator-min-microvolt = <2850000>; 378 regulator-max-microvolt = <3300000>; 379 regulator-always-on; 380 }; 381 382 vgen5_reg: vldo3 { 383 regulator-min-microvolt = <1800000>; 384 regulator-max-microvolt = <3300000>; 385 regulator-always-on; 386 }; 387 388 vgen6_reg: vldo4 { 389 regulator-min-microvolt = <1800000>; 390 regulator-max-microvolt = <3300000>; 391 regulator-always-on; 392 }; 393 }; 394 };
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