Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/mfd/st,stpmic1.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: STMicroelectonics STPMIC1 Power Management IC |
| 8 | |
| 9 | description: STMicroelectronics STPMIC1 Power Management IC |
| 10 | |
| 11 | maintainers: |
| 12 | - pascal Paillet <p.paillet@foss.st.com> |
| 13 | |
| 14 | properties: |
| 15 | compatible: |
| 16 | const: st,stpmic1 |
| 17 | |
| 18 | reg: |
| 19 | const: 0x33 |
| 20 | |
| 21 | interrupts: |
| 22 | maxItems: 1 |
| 23 | |
| 24 | "#interrupt-cells": |
| 25 | const: 2 |
| 26 | |
| 27 | interrupt-controller: true |
| 28 | |
| 29 | onkey: |
| 30 | type: object |
| 31 | |
| 32 | $ref: ../input/input.yaml |
| 33 | |
| 34 | properties: |
| 35 | compatible: |
| 36 | const: st,stpmic1-onkey |
| 37 | |
| 38 | interrupts: |
| 39 | items: |
| 40 | - description: onkey-falling, happens when onkey is pressed. IT_PONKEY_F of pmic |
| 41 | - description: onkey-rising, happens when onkey is released. IT_PONKEY_R of pmic |
| 42 | |
| 43 | interrupt-names: |
| 44 | items: |
| 45 | - const: onkey-falling |
| 46 | - const: onkey-rising |
| 47 | |
| 48 | st,onkey-clear-cc-flag: |
| 49 | description: onkey is able power on after an over-current shutdown event. |
| 50 | $ref: /schemas/types.yaml#/definitions/flag |
| 51 | |
| 52 | st,onkey-pu-inactive: |
| 53 | description: onkey pull up is not active |
| 54 | $ref: /schemas/types.yaml#/definitions/flag |
| 55 | |
| 56 | power-off-time-sec: |
| 57 | minimum: 1 |
| 58 | maximum: 16 |
| 59 | |
| 60 | required: |
| 61 | - compatible |
| 62 | - interrupts |
| 63 | - interrupt-names |
| 64 | |
| 65 | additionalProperties: false |
| 66 | |
| 67 | watchdog: |
| 68 | type: object |
| 69 | |
| 70 | $ref: ../watchdog/watchdog.yaml |
| 71 | |
| 72 | properties: |
| 73 | compatible: |
| 74 | const: st,stpmic1-wdt |
| 75 | |
| 76 | timeout-sec: true |
| 77 | |
| 78 | required: |
| 79 | - compatible |
| 80 | |
| 81 | additionalProperties: false |
| 82 | |
| 83 | regulators: |
| 84 | type: object |
| 85 | |
| 86 | description: | |
| 87 | Available Regulators in STPMIC1 device are: |
| 88 | - buck1 for Buck BUCK1 |
| 89 | - buck2 for Buck BUCK2 |
| 90 | - buck3 for Buck BUCK3 |
| 91 | - buck4 for Buck BUCK4 |
| 92 | - ldo1 for LDO LDO1 |
| 93 | - ldo2 for LDO LDO2 |
| 94 | - ldo3 for LDO LDO3 |
| 95 | - ldo4 for LDO LDO4 |
| 96 | - ldo5 for LDO LDO5 |
| 97 | - ldo6 for LDO LDO6 |
| 98 | - vref_ddr for LDO Vref DDR |
| 99 | - boost for Buck BOOST |
| 100 | - pwr_sw1 for VBUS_OTG switch |
| 101 | - pwr_sw2 for SW_OUT switch |
| 102 | Switches are fixed voltage regulators with only enable/disable capability. |
| 103 | |
| 104 | properties: |
| 105 | compatible: |
| 106 | const: st,stpmic1-regulators |
| 107 | |
| 108 | ldo3: |
| 109 | $ref: /schemas/regulator/regulator.yaml |
| 110 | type: object |
| 111 | |
| 112 | properties: |
| 113 | interrupts: |
| 114 | maxItems: 1 |
| 115 | |
| 116 | st,mask-reset: |
| 117 | description: mask reset for this regulator, the regulator configuration |
| 118 | is maintained during pmic reset. |
| 119 | $ref: /schemas/types.yaml#/definitions/flag |
| 120 | |
| 121 | regulator-name: true |
| 122 | regulator-boot-on: true |
| 123 | regulator-always-on: true |
| 124 | regulator-min-microvolt: true |
| 125 | regulator-max-microvolt: true |
| 126 | regulator-allow-bypass: true |
| 127 | regulator-over-current-protection: true |
| 128 | |
| 129 | additionalProperties: false |
| 130 | |
| 131 | ldo4: |
| 132 | $ref: /schemas/regulator/regulator.yaml |
| 133 | type: object |
| 134 | |
| 135 | properties: |
| 136 | interrupts: |
| 137 | maxItems: 1 |
| 138 | |
| 139 | st,mask-reset: |
| 140 | description: mask reset for this regulator, the regulator configuration |
| 141 | is maintained during pmic reset. |
| 142 | $ref: /schemas/types.yaml#/definitions/flag |
| 143 | |
| 144 | regulator-name: true |
| 145 | regulator-boot-on: true |
| 146 | regulator-always-on: true |
| 147 | regulator-min-microvolt: true |
| 148 | regulator-max-microvolt: true |
| 149 | regulator-over-current-protection: true |
| 150 | |
| 151 | additionalProperties: false |
| 152 | |
| 153 | vref_ddr: |
| 154 | $ref: /schemas/regulator/regulator.yaml |
| 155 | type: object |
| 156 | |
| 157 | properties: |
| 158 | interrupts: |
| 159 | maxItems: 1 |
| 160 | |
| 161 | st,mask-reset: |
| 162 | description: mask reset for this regulator, the regulator configuration |
| 163 | is maintained during pmic reset. |
| 164 | $ref: /schemas/types.yaml#/definitions/flag |
| 165 | |
| 166 | regulator-name: true |
| 167 | regulator-boot-on: true |
| 168 | regulator-always-on: true |
| 169 | |
| 170 | additionalProperties: false |
| 171 | |
| 172 | boost: |
| 173 | $ref: /schemas/regulator/regulator.yaml |
| 174 | type: object |
| 175 | |
| 176 | properties: |
| 177 | interrupts: |
| 178 | maxItems: 1 |
| 179 | |
| 180 | st,mask-reset: |
| 181 | description: mask reset for this regulator, the regulator configuration |
| 182 | is maintained during pmic reset. |
| 183 | $ref: /schemas/types.yaml#/definitions/flag |
| 184 | |
| 185 | regulator-name: true |
| 186 | regulator-boot-on: true |
| 187 | regulator-always-on: true |
| 188 | regulator-over-current-protection: true |
| 189 | |
| 190 | additionalProperties: false |
| 191 | |
| 192 | patternProperties: |
| 193 | "^(buck[1-4]|ldo[1-6]|vref_ddr|boost|pwr_sw[1-2])-supply$": |
| 194 | description: STPMIC1 voltage regulators supplies |
| 195 | |
| 196 | "^ldo[1-2,5-6]$": |
| 197 | $ref: /schemas/regulator/regulator.yaml |
| 198 | type: object |
| 199 | |
| 200 | properties: |
| 201 | interrupts: |
| 202 | maxItems: 1 |
| 203 | |
| 204 | st,mask-reset: |
| 205 | description: mask reset for this regulator, the regulator configuration |
| 206 | is maintained during pmic reset. |
| 207 | $ref: /schemas/types.yaml#/definitions/flag |
| 208 | |
| 209 | regulator-name: true |
| 210 | regulator-boot-on: true |
| 211 | regulator-always-on: true |
| 212 | regulator-min-microvolt: true |
| 213 | regulator-max-microvolt: true |
| 214 | regulator-over-current-protection: true |
| 215 | regulator-enable-ramp-delay: true |
| 216 | |
| 217 | additionalProperties: false |
| 218 | |
| 219 | "^buck[1-4]$": |
| 220 | $ref: /schemas/regulator/regulator.yaml |
| 221 | type: object |
| 222 | |
| 223 | properties: |
| 224 | interrupts: |
| 225 | maxItems: 1 |
| 226 | |
| 227 | st,mask-reset: |
| 228 | description: mask reset for this regulator, the regulator configuration |
| 229 | is maintained during pmic reset. |
| 230 | $ref: /schemas/types.yaml#/definitions/flag |
| 231 | |
| 232 | regulator-name: true |
| 233 | regulator-boot-on: true |
| 234 | regulator-always-on: true |
| 235 | regulator-min-microvolt: true |
| 236 | regulator-max-microvolt: true |
| 237 | regulator-initial-mode: true |
| 238 | regulator-pull-down: true |
| 239 | regulator-over-current-protection: true |
| 240 | regulator-enable-ramp-delay: true |
| 241 | |
| 242 | additionalProperties: false |
| 243 | |
| 244 | "^pwr_sw[1-2]$": |
| 245 | $ref: /schemas/regulator/regulator.yaml |
| 246 | type: object |
| 247 | |
| 248 | properties: |
| 249 | interrupts: |
| 250 | maxItems: 1 |
| 251 | |
| 252 | regulator-name: true |
| 253 | regulator-boot-on: true |
| 254 | regulator-always-on: true |
| 255 | regulator-over-current-protection: true |
| 256 | regulator-active-discharge: true |
| 257 | |
| 258 | additionalProperties: false |
| 259 | |
| 260 | required: |
| 261 | - compatible |
| 262 | |
| 263 | additionalProperties: false |
| 264 | |
| 265 | additionalProperties: false |
| 266 | |
| 267 | required: |
| 268 | - compatible |
| 269 | - reg |
| 270 | - interrupts |
| 271 | - "#interrupt-cells" |
| 272 | - interrupt-controller |
| 273 | |
| 274 | examples: |
| 275 | - | |
| 276 | #include <dt-bindings/mfd/st,stpmic1.h> |
| 277 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 278 | i2c { |
| 279 | #address-cells = <1>; |
| 280 | #size-cells = <0>; |
| 281 | pmic@33 { |
| 282 | compatible = "st,stpmic1"; |
| 283 | reg = <0x33>; |
| 284 | interrupt-parent = <&gpioa>; |
| 285 | interrupts = <0 2>; |
| 286 | |
| 287 | interrupt-controller; |
| 288 | #interrupt-cells = <2>; |
| 289 | |
| 290 | onkey { |
| 291 | compatible = "st,stpmic1-onkey"; |
| 292 | interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>; |
| 293 | interrupt-names = "onkey-falling", "onkey-rising"; |
| 294 | power-off-time-sec = <10>; |
| 295 | }; |
| 296 | |
| 297 | watchdog { |
| 298 | compatible = "st,stpmic1-wdt"; |
| 299 | }; |
| 300 | |
| 301 | regulators { |
| 302 | compatible = "st,stpmic1-regulators"; |
| 303 | |
| 304 | ldo6-supply = <&v3v3>; |
| 305 | |
| 306 | buck1 { |
| 307 | regulator-name = "vdd_core"; |
| 308 | interrupts = <IT_CURLIM_BUCK1 0>; |
| 309 | st,mask-reset; |
| 310 | regulator-boot-on; |
| 311 | regulator-min-microvolt = <700000>; |
| 312 | regulator-max-microvolt = <1200000>; |
| 313 | }; |
| 314 | |
| 315 | buck3 { |
| 316 | regulator-name = "vdd"; |
| 317 | regulator-min-microvolt = <3300000>; |
| 318 | regulator-max-microvolt = <3300000>; |
| 319 | regulator-boot-on; |
| 320 | regulator-pull-down; |
| 321 | }; |
| 322 | |
| 323 | buck4 { |
| 324 | regulator-name = "v3v3"; |
| 325 | interrupts = <IT_CURLIM_BUCK4 0>; |
| 326 | regulator-min-microvolt = <3300000>; |
| 327 | regulator-max-microvolt = <3300000>; |
| 328 | }; |
| 329 | |
| 330 | ldo6 { |
| 331 | regulator-name = "v1v8"; |
| 332 | regulator-min-microvolt = <1800000>; |
| 333 | regulator-max-microvolt = <1800000>; |
| 334 | regulator-over-current-protection; |
| 335 | }; |
| 336 | }; |
| 337 | }; |
| 338 | }; |
| 339 | |
| 340 | ... |