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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/ti,lp87524-q1.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: TI LP87524-Q1 four 1-phase output buck converter
    8 
    9 maintainers:
   10   - Keerthy <j-keerthy@ti.com>
   11 
   12 properties:
   13   compatible:
   14     const: ti,lp87524-q1
   15 
   16   reg:
   17     description: I2C slave address
   18     const: 0x60
   19 
   20   reset-gpios:
   21     description: GPIO connected to NRST pin (active low reset, pin 20)
   22     maxItems: 1
   23 
   24   gpio-controller: true
   25 
   26   '#gpio-cells':
   27     description:
   28       The first cell is the pin number.
   29       The second cell is is used to specify flags.
   30       See ../gpio/gpio.txt for more information.
   31     const: 2
   32 
   33   regulators:
   34     type: object
   35 
   36     patternProperties:
   37       "^buck[0123]$":
   38         type: object
   39         $ref: /schemas/regulator/regulator.yaml#
   40 
   41     required:
   42       - buck0
   43       - buck1
   44       - buck2
   45       - buck3
   46 
   47     additionalProperties: false
   48 
   49 patternProperties:
   50   "^buck[0123]-in-supply$":
   51     description: Voltage regulator supply for each BUCK converter
   52 
   53 required:
   54   - compatible
   55   - reg
   56   - gpio-controller
   57   - '#gpio-cells'
   58   - buck0-in-supply
   59   - buck1-in-supply
   60   - buck2-in-supply
   61   - buck3-in-supply
   62   - regulators
   63 
   64 additionalProperties: false
   65 
   66 examples:
   67   - |
   68     i2c@0 {
   69         reg = <0x0 0x100>;
   70         #address-cells = <1>;
   71         #size-cells = <0>;
   72 
   73         pmic@60 {
   74             compatible = "ti,lp87524-q1";
   75             reg = <0x60>;
   76             gpio-controller;
   77             #gpio-cells = <2>;
   78 
   79             buck0-in-supply = <&vdd_5v0>;
   80             buck1-in-supply = <&vdd_5v0>;
   81             buck2-in-supply = <&vdd_5v0>;
   82             buck3-in-supply = <&vdd_5v0>;
   83 
   84             regulators {
   85                 buck0_reg: buck0 {
   86                     regulator-name = "buck0";
   87                     regulator-min-microvolt = <3300000>;
   88                     regulator-max-microvolt = <3300000>;
   89                     regulator-always-on;
   90                 };
   91 
   92                 buck1_reg: buck1 {
   93                     regulator-name = "buck1";
   94                     regulator-min-microvolt = <1350000>;
   95                     regulator-max-microvolt = <1350000>;
   96                     regulator-always-on;
   97                 };
   98 
   99                 buck2_reg: buck2 {
  100                     regulator-name = "buck2";
  101                     regulator-min-microvolt = <950000>;
  102                     regulator-max-microvolt = <950000>;
  103                     regulator-always-on;
  104                 };
  105 
  106                 buck3_reg: buck3 {
  107                     regulator-name = "buck3";
  108                     regulator-min-microvolt = <1800000>;
  109                     regulator-max-microvolt = <1800000>;
  110                     regulator-always-on;
  111                 };
  112             };
  113         };
  114     };
  115 
  116 ...
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