richtek,rtq2134-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/richtek,rtq2134-regulator.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Richtek RTQ2134 SubPMIC Regulator
    8 
    9 maintainers:
   10   - ChiYuan Huang <cy_huang@richtek.com>
   11 
   12 description: |
   13   The RTQ2134 is a multi-phase, programmable power management IC that
   14   integrates with four high efficient, synchronous step-down converter cores.
   15 
   16   Datasheet is available at
   17   https://www.richtek.com/assets/product_file/RTQ2134-QA/DSQ2134-QA-01.pdf
   18 
   19 properties:
   20   compatible:
   21     enum:
   22       - richtek,rtq2134
   23 
   24   reg:
   25     maxItems: 1
   26 
   27   regulators:
   28     type: object
   29 
   30     patternProperties:
   31       "^buck[1-3]$":
   32         type: object
   33         $ref: regulator.yaml#
   34         description: |
   35           regulator description for buck[1-3].
   36 
   37         properties:
   38           richtek,use-vsel-dvs:
   39             type: boolean
   40             description: |
   41               If specified, buck will listen to 'vsel' pin for dvs config.
   42               Else, use dvs0 voltage by default.
   43 
   44           richtek,uv-shutdown:
   45             type: boolean
   46             description: |
   47               If specified, use shutdown as UV action. Else, hiccup by default.
   48 
   49         unevaluatedProperties: false
   50 
   51     additionalProperties: false
   52 
   53 required:
   54   - compatible
   55   - reg
   56   - regulators
   57 
   58 additionalProperties: false
   59 
   60 examples:
   61   - |
   62     i2c {
   63       #address-cells = <1>;
   64       #size-cells = <0>;
   65 
   66       rtq2134@18 {
   67         compatible = "richtek,rtq2134";
   68         reg = <0x18>;
   69 
   70         regulators {
   71           buck1 {
   72             regulator-name = "rtq2134-buck1";
   73             regulator-min-microvolt = <300000>;
   74             regulator-max-microvolt = <1850000>;
   75             regulator-always-on;
   76             richtek,use-vsel-dvs;
   77             regulator-state-mem {
   78               regulator-suspend-min-microvolt = <550000>;
   79               regulator-suspend-max-microvolt = <550000>;
   80             };
   81           };
   82           buck2 {
   83             regulator-name = "rtq2134-buck2";
   84             regulator-min-microvolt = <1120000>;
   85             regulator-max-microvolt = <1120000>;
   86             regulator-always-on;
   87             richtek,use-vsel-dvs;
   88             regulator-state-mem {
   89               regulator-suspend-min-microvolt = <1120000>;
   90               regulator-suspend-max-microvolt = <1120000>;
   91             };
   92           };
   93           buck3 {
   94             regulator-name = "rtq2134-buck3";
   95             regulator-min-microvolt = <600000>;
   96             regulator-max-microvolt = <600000>;
   97             regulator-always-on;
   98             richtek,use-vsel-dvs;
   99             regulator-state-mem {
  100               regulator-suspend-min-microvolt = <600000>;
  101               regulator-suspend-max-microvolt = <600000>;
  102             };
  103           };
  104         };
  105       };
  106     };

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sys/contrib/device-tree/Bindings/regulator/richtek,rtq2134-regulator.yaml