st,stpmic1.yaml

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    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 bindings
    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         type: object
  110 
  111         properties:
  112           interrupts:
  113             maxItems: 1
  114 
  115           st,mask-reset:
  116             description: mask reset for this regulator, the regulator configuration
  117               is maintained during pmic reset.
  118             $ref: /schemas/types.yaml#/definitions/flag
  119 
  120           regulator-name: true
  121           regulator-boot-on: true
  122           regulator-always-on: true
  123           regulator-min-microvolt: true
  124           regulator-max-microvolt: true
  125           regulator-allow-bypass: true
  126           regulator-over-current-protection: true
  127 
  128         additionalProperties: false
  129 
  130       ldo4:
  131         type: object
  132 
  133         properties:
  134           interrupts:
  135             maxItems: 1
  136 
  137           st,mask-reset:
  138             description: mask reset for this regulator, the regulator configuration
  139               is maintained during pmic reset.
  140             $ref: /schemas/types.yaml#/definitions/flag
  141 
  142           regulator-name: true
  143           regulator-boot-on: true
  144           regulator-always-on: true
  145           regulator-over-current-protection: true
  146 
  147         additionalProperties: false
  148 
  149       vref_ddr:
  150         type: object
  151 
  152         properties:
  153           interrupts:
  154             maxItems: 1
  155 
  156           st,mask-reset:
  157             description: mask reset for this regulator, the regulator configuration
  158               is maintained during pmic reset.
  159             $ref: /schemas/types.yaml#/definitions/flag
  160 
  161           regulator-name: true
  162           regulator-boot-on: true
  163           regulator-always-on: true
  164 
  165         additionalProperties: false
  166 
  167       boost:
  168         type: object
  169 
  170         properties:
  171           interrupts:
  172             maxItems: 1
  173 
  174           st,mask-reset:
  175             description: mask reset for this regulator, the regulator configuration
  176               is maintained during pmic reset.
  177             $ref: /schemas/types.yaml#/definitions/flag
  178 
  179           regulator-name: true
  180           regulator-boot-on: true
  181           regulator-always-on: true
  182           regulator-over-current-protection: true
  183 
  184         additionalProperties: false
  185 
  186     patternProperties:
  187       "^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])-supply$":
  188         description: STPMIC1 voltage regulators supplies
  189 
  190       "^(buck[1-4]|ldo[1-6]|boost|vref_ddr|pwr_sw[1-2])$":
  191         $ref: ../regulator/regulator.yaml
  192 
  193       "^ldo[1-2,5-6]$":
  194         type: object
  195 
  196         properties:
  197           interrupts:
  198             maxItems: 1
  199 
  200           st,mask-reset:
  201             description: mask reset for this regulator, the regulator configuration
  202               is maintained during pmic reset.
  203             $ref: /schemas/types.yaml#/definitions/flag
  204 
  205           regulator-name: true
  206           regulator-boot-on: true
  207           regulator-always-on: true
  208           regulator-min-microvolt: true
  209           regulator-max-microvolt: true
  210           regulator-over-current-protection: true
  211           regulator-enable-ramp-delay: true
  212 
  213         additionalProperties: false
  214 
  215       "^buck[1-4]$":
  216         type: object
  217 
  218         properties:
  219           interrupts:
  220             maxItems: 1
  221 
  222           st,mask-reset:
  223             description: mask reset for this regulator, the regulator configuration
  224               is maintained during pmic reset.
  225             $ref: /schemas/types.yaml#/definitions/flag
  226 
  227           regulator-name: true
  228           regulator-boot-on: true
  229           regulator-always-on: true
  230           regulator-min-microvolt: true
  231           regulator-max-microvolt: true
  232           regulator-initial-mode: true
  233           regulator-pull-down: true
  234           regulator-over-current-protection: true
  235           regulator-enable-ramp-delay: true
  236 
  237         additionalProperties: false
  238 
  239       "^pwr_sw[1-2]$":
  240         type: object
  241 
  242         properties:
  243           interrupts:
  244             maxItems: 1
  245 
  246           regulator-name: true
  247           regulator-boot-on: true
  248           regulator-always-on: true
  249           regulator-over-current-protection: true
  250           regulator-active-discharge: true
  251 
  252         additionalProperties: false
  253 
  254     required:
  255       - compatible
  256 
  257     additionalProperties: false
  258 
  259 additionalProperties: false
  260 
  261 required:
  262   - compatible
  263   - reg
  264   - interrupts
  265   - "#interrupt-cells"
  266   - interrupt-controller
  267 
  268 examples:
  269   - |
  270     #include <dt-bindings/mfd/st,stpmic1.h>
  271     #include <dt-bindings/interrupt-controller/arm-gic.h>
  272     i2c {
  273       #address-cells = <1>;
  274       #size-cells = <0>;
  275       pmic@33 {
  276         compatible = "st,stpmic1";
  277         reg = <0x33>;
  278         interrupt-parent = <&gpioa>;
  279         interrupts = <0 2>;
  280 
  281         interrupt-controller;
  282         #interrupt-cells = <2>;
  283 
  284         onkey {
  285           compatible = "st,stpmic1-onkey";
  286           interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>;
  287           interrupt-names = "onkey-falling", "onkey-rising";
  288           power-off-time-sec = <10>;
  289         };
  290 
  291         watchdog {
  292           compatible = "st,stpmic1-wdt";
  293         };
  294 
  295         regulators {
  296           compatible = "st,stpmic1-regulators";
  297 
  298           ldo6-supply = <&v3v3>;
  299 
  300           buck1 {
  301             regulator-name = "vdd_core";
  302             interrupts = <IT_CURLIM_BUCK1 0>;
  303             st,mask-reset;
  304             regulator-boot-on;
  305             regulator-min-microvolt = <700000>;
  306             regulator-max-microvolt = <1200000>;
  307           };
  308 
  309           buck3 {
  310             regulator-name = "vdd";
  311             regulator-min-microvolt = <3300000>;
  312             regulator-max-microvolt = <3300000>;
  313             regulator-boot-on;
  314             regulator-pull-down;
  315           };
  316 
  317           buck4 {
  318             regulator-name = "v3v3";
  319             interrupts = <IT_CURLIM_BUCK4 0>;
  320             regulator-min-microvolt = <3300000>;
  321             regulator-max-microvolt = <3300000>;
  322           };
  323 
  324           ldo6 {
  325             regulator-name = "v1v8";
  326             regulator-min-microvolt = <1800000>;
  327             regulator-max-microvolt = <1800000>;
  328             regulator-over-current-protection;
  329           };
  330         };
  331       };
  332     };
  333 
  334 ...

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sys/contrib/device-tree/Bindings/mfd/st,stpmic1.yaml