nxp,pca9450-regulator.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/regulator/nxp,pca9450-regulator.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: NXP PCA9450A/B/C Power Management Integrated Circuit regulators
    8 
    9 maintainers:
   10   - Robin Gong <yibin.gong@nxp.com>
   11 
   12 description: |
   13   Regulator nodes should be named to BUCK_<number> and LDO_<number>. The
   14   definition for each of these nodes is defined using the standard
   15   binding for regulators at
   16   Documentation/devicetree/bindings/regulator/regulator.txt.
   17   Datasheet is available at
   18   https://www.nxp.com/docs/en/data-sheet/PCA9450DS.pdf
   19 
   20 #The valid names for PCA9450 regulator nodes are:
   21 #BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6,
   22 #LDO1, LDO2, LDO3, LDO4, LDO5
   23 #Note: Buck3 removed on PCA9450B and connect with Buck1 on PCA9450C.
   24 
   25 properties:
   26   compatible:
   27     enum:
   28       - nxp,pca9450a
   29       - nxp,pca9450b
   30       - nxp,pca9450c
   31 
   32   reg:
   33     maxItems: 1
   34 
   35   interrupts:
   36     maxItems: 1
   37 
   38   regulators:
   39     type: object
   40     description: |
   41       list of regulators provided by this controller
   42 
   43     patternProperties:
   44       "^LDO[1-5]$":
   45         type: object
   46         $ref: regulator.yaml#
   47         description:
   48           Properties for single LDO regulator.
   49 
   50         unevaluatedProperties: false
   51 
   52       "^BUCK[1-6]$":
   53         type: object
   54         $ref: regulator.yaml#
   55         description:
   56           Properties for single BUCK regulator.
   57 
   58         properties:
   59           nxp,dvs-run-voltage:
   60             $ref: "/schemas/types.yaml#/definitions/uint32"
   61             minimum: 600000
   62             maximum: 2187500
   63             description:
   64               PMIC default "RUN" state voltage in uV. Only Buck1~3 have such
   65               dvs(dynamic voltage scaling) property.
   66 
   67           nxp,dvs-standby-voltage:
   68             $ref: "/schemas/types.yaml#/definitions/uint32"
   69             minimum: 600000
   70             maximum: 2187500
   71             description:
   72               PMIC default "STANDBY" state voltage in uV. Only Buck1~3 have such
   73               dvs(dynamic voltage scaling) property.
   74 
   75         unevaluatedProperties: false
   76 
   77     additionalProperties: false
   78 
   79   sd-vsel-gpios:
   80     description: GPIO that is used to switch LDO5 between being configured by
   81       LDO5CTRL_L or LDO5CTRL_H register. Use this if the SD_VSEL signal is
   82       connected to a host GPIO.
   83 
   84   nxp,i2c-lt-enable:
   85     type: boolean
   86     description:
   87       Indicates that the I2C Level Translator is used.
   88 
   89   nxp,wdog_b-warm-reset:
   90     type: boolean
   91     description:
   92       When WDOG_B signal is asserted a warm reset will be done instead of cold
   93       reset.
   94 
   95 required:
   96   - compatible
   97   - reg
   98   - interrupts
   99   - regulators
  100 
  101 additionalProperties: false
  102 
  103 examples:
  104   - |
  105     #include <dt-bindings/interrupt-controller/irq.h>
  106 
  107     i2c {
  108         #address-cells = <1>;
  109         #size-cells = <0>;
  110         pmic: pmic@25 {
  111             compatible = "nxp,pca9450b";
  112             reg = <0x25>;
  113             pinctrl-0 = <&pinctrl_pmic>;
  114             interrupt-parent = <&gpio1>;
  115             interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
  116 
  117             regulators {
  118                 buck1: BUCK1 {
  119                     regulator-name = "BUCK1";
  120                     regulator-min-microvolt = <600000>;
  121                     regulator-max-microvolt = <2187500>;
  122                     regulator-boot-on;
  123                     regulator-always-on;
  124                     regulator-ramp-delay = <3125>;
  125                 };
  126                 buck2: BUCK2 {
  127                     regulator-name = "BUCK2";
  128                     regulator-min-microvolt = <600000>;
  129                     regulator-max-microvolt = <2187500>;
  130                     regulator-boot-on;
  131                     regulator-always-on;
  132                     regulator-ramp-delay = <3125>;
  133                     nxp,dvs-run-voltage = <950000>;
  134                     nxp,dvs-standby-voltage = <850000>;
  135                 };
  136                 buck4: BUCK4 {
  137                     regulator-name = "BUCK4";
  138                     regulator-min-microvolt = <600000>;
  139                     regulator-max-microvolt = <3400000>;
  140                     regulator-boot-on;
  141                     regulator-always-on;
  142                 };
  143                 buck5: BUCK5 {
  144                     regulator-name = "BUCK5";
  145                     regulator-min-microvolt = <600000>;
  146                     regulator-max-microvolt = <3400000>;
  147                     regulator-boot-on;
  148                     regulator-always-on;
  149                 };
  150                 buck6: BUCK6 {
  151                     regulator-name = "BUCK6";
  152                     regulator-min-microvolt = <600000>;
  153                     regulator-max-microvolt = <3400000>;
  154                     regulator-boot-on;
  155                     regulator-always-on;
  156                 };
  157 
  158                 ldo1: LDO1 {
  159                     regulator-name = "LDO1";
  160                     regulator-min-microvolt = <1600000>;
  161                     regulator-max-microvolt = <3300000>;
  162                     regulator-boot-on;
  163                     regulator-always-on;
  164                 };
  165                 ldo2: LDO2 {
  166                     regulator-name = "LDO2";
  167                     regulator-min-microvolt = <800000>;
  168                     regulator-max-microvolt = <1150000>;
  169                     regulator-boot-on;
  170                     regulator-always-on;
  171                 };
  172                 ldo3: LDO3 {
  173                     regulator-name = "LDO3";
  174                     regulator-min-microvolt = <800000>;
  175                     regulator-max-microvolt = <3300000>;
  176                     regulator-boot-on;
  177                     regulator-always-on;
  178                 };
  179                 ldo4: LDO4 {
  180                     regulator-name = "LDO4";
  181                     regulator-min-microvolt = <800000>;
  182                     regulator-max-microvolt = <3300000>;
  183                     regulator-boot-on;
  184                     regulator-always-on;
  185                 };
  186                 ldo5: LDO5 {
  187                     regulator-name = "LDO5";
  188                     regulator-min-microvolt = <1800000>;
  189                     regulator-max-microvolt = <3300000>;
  190                     regulator-boot-on;
  191                     regulator-always-on;
  192                 };
  193             };
  194         };
  195     };

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sys/contrib/device-tree/Bindings/regulator/nxp,pca9450-regulator.yaml