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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,rtq6752-regulator.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Richtek RTQ6752 TFT LCD Voltage Regulator
    8 
    9 maintainers:
   10   - ChiYuan Huang <cy_huang@richtek.com>
   11 
   12 description: |
   13   The RTQ6752 is an I2C interface pgorammable power management IC. It includes
   14   two synchronous boost converter for PAVDD, and one synchronous NAVDD
   15   buck-boost. The device is suitable for automotive TFT-LCD panel.
   16 
   17 properties:
   18   compatible:
   19     enum:
   20       - richtek,rtq6752
   21 
   22   reg:
   23     maxItems: 1
   24 
   25   enable-gpios:
   26     description: |
   27       A connection of the chip 'enable' gpio line. If not provided, treat it as
   28       external pull up.
   29     maxItems: 1
   30 
   31   regulators:
   32     type: object
   33 
   34     patternProperties:
   35       "^(p|n)avdd$":
   36         type: object
   37         $ref: regulator.yaml#
   38         description: |
   39           regulator description for pavdd and navdd.
   40 
   41     additionalProperties: false
   42 
   43 required:
   44   - compatible
   45   - reg
   46   - regulators
   47 
   48 additionalProperties: false
   49 
   50 examples:
   51   - |
   52     i2c {
   53       #address-cells = <1>;
   54       #size-cells = <0>;
   55 
   56       rtq6752@6b {
   57         compatible = "richtek,rtq6752";
   58         reg = <0x6b>;
   59         enable-gpios = <&gpio26 2 0>;
   60 
   61         regulators {
   62           pavdd {
   63             regulator-name = "rtq6752-pavdd";
   64             regulator-min-microvolt = <5000000>;
   65             regulator-max-microvolt = <7300000>;
   66             regulator-boot-on;
   67           };
   68           navdd {
   69             regulator-name = "rtq6752-navdd";
   70             regulator-min-microvolt = <5000000>;
   71             regulator-max-microvolt = <7300000>;
   72             regulator-boot-on;
   73           };
   74         };
   75       };
   76     };
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