xref: /freebsd-src/sys/contrib/device-tree/Bindings/regulator/richtek,rtq6752-regulator.yaml (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/richtek,rtq6752-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Richtek RTQ6752 TFT LCD Voltage Regulator

maintainers:
  - ChiYuan Huang <cy_huang@richtek.com>

description: |
  The RTQ6752 is an I2C interface pgorammable power management IC. It includes
  two synchronous boost converter for PAVDD, and one synchronous NAVDD
  buck-boost. The device is suitable for automotive TFT-LCD panel.

properties:
  compatible:
    enum:
      - richtek,rtq6752

  reg:
    maxItems: 1

  enable-gpios:
    description: |
      A connection of the chip 'enable' gpio line. If not provided, treat it as
      external pull up.
    maxItems: 1

  regulators:
    type: object

    patternProperties:
      "^(p|n)avdd$":
        type: object
        $ref: regulator.yaml#
        unevaluatedProperties: false
        description: |
          regulator description for pavdd and navdd.

    additionalProperties: false

required:
  - compatible
  - reg
  - regulators

additionalProperties: false

examples:
  - |
    i2c {
      #address-cells = <1>;
      #size-cells = <0>;

      rtq6752@6b {
        compatible = "richtek,rtq6752";
        reg = <0x6b>;
        enable-gpios = <&gpio26 2 0>;

        regulators {
          pavdd {
            regulator-name = "rtq6752-pavdd";
            regulator-min-microvolt = <5000000>;
            regulator-max-microvolt = <7300000>;
            regulator-boot-on;
          };
          navdd {
            regulator-name = "rtq6752-navdd";
            regulator-min-microvolt = <5000000>;
            regulator-max-microvolt = <7300000>;
            regulator-boot-on;
          };
        };
      };
    };