richtek,rt4801-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,rt4801-regulator.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Richtek RT4801 Display Bias regulators
    8 
    9 maintainers:
   10   - ChiYuan Huang <cy_huang@richtek.com>
   11 
   12 description: |
   13   Regulator nodes should be named to DSVP and DSVN. The
   14   definition for each of these nodes is defined using the standard
   15   binding for regulators at
   16   Documentation/devicetree/bindings/regulator/regulator.txt.
   17   Datasheet is available at
   18   https://www.richtek.com/assets/product_file/RT4801H/DS4801H-00.pdf
   19 
   20 properties:
   21   compatible:
   22     enum:
   23       - richtek,rt4801
   24 
   25   reg:
   26     maxItems: 1
   27 
   28   enable-gpios:
   29     description: GPIOs to use to enable DSVP/DSVN regulator.
   30       The first one is ENP to enable DSVP, and second one is ENM to enable DSVN.
   31       Number of GPIO in the array list could be 1 or 2.
   32       If only one gpio is specified, only one gpio used to control ENP/ENM.
   33       Else if both are specified, DSVP/DSVN could be controlled individually.
   34       If this property not specified, treat both as always-on regulators.
   35 
   36       Property is deprecated. Use enable-gpios in each regulator.
   37     minItems: 1
   38     maxItems: 2
   39     deprecated: true
   40 
   41 patternProperties:
   42   "^DSV(P|N)$":
   43     type: object
   44     $ref: regulator.yaml#
   45     description:
   46       Properties for single display bias regulator.
   47 
   48     properties:
   49       enable-gpios:
   50         description:
   51           GPIO to use to enable DSVP/DSVN regulator. One GPIO can be configured
   52           for controlling both regulators.  If this property not specified for
   53           any regulator, treat both as always-on regulators.
   54         maxItems: 1
   55 
   56 required:
   57   - compatible
   58   - reg
   59 
   60 additionalProperties: false
   61 
   62 examples:
   63   - |
   64     i2c {
   65         #address-cells = <1>;
   66         #size-cells = <0>;
   67 
   68         rt4801@73 {
   69             compatible = "richtek,rt4801";
   70             reg = <0x73>;
   71 
   72             dsvp: DSVP {
   73                 regulator-name = "rt4801,dsvp";
   74                 regulator-min-microvolt = <4000000>;
   75                 regulator-max-microvolt = <6000000>;
   76                 regulator-boot-on;
   77                 enable-gpios = <&gpio26 2 0>;
   78             };
   79             dsvn: DSVN {
   80                 regulator-name = "rt4801,dsvn";
   81                 regulator-min-microvolt = <4000000>;
   82                 regulator-max-microvolt = <6000000>;
   83                 regulator-boot-on;
   84                 enable-gpios = <&gpio26 3 0>;
   85             };
   86 
   87         };
   88     };

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sys/contrib/device-tree/Bindings/regulator/richtek,rt4801-regulator.yaml