xref: /openbmc/linux/Documentation/devicetree/bindings/mfd/ti,lp87524-q1.yaml (revision 3a65a3e7)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/ti,lp87524-q1.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: TI LP87524-Q1 four 1-phase output buck converter

maintainers:
  - Keerthy <j-keerthy@ti.com>

properties:
  compatible:
    const: ti,lp87524-q1

  reg:
    description: I2C slave address
    const: 0x60

  reset-gpios:
    description: GPIO connected to NRST pin (active low reset, pin 20)
    maxItems: 1

  gpio-controller: true

  '#gpio-cells':
    description:
      The first cell is the pin number.
      The second cell is is used to specify flags.
      See ../gpio/gpio.txt for more information.
    const: 2

  regulators:
    type: object

    patternProperties:
      "^buck[0123]$":
        type: object
        $ref: /schemas/regulator/regulator.yaml#

    required:
      - buck0
      - buck1
      - buck2
      - buck3

    additionalProperties: false

patternProperties:
  "^buck[0123]-in-supply$":
    description: Voltage regulator supply for each BUCK converter

required:
  - compatible
  - reg
  - gpio-controller
  - '#gpio-cells'
  - buck0-in-supply
  - buck1-in-supply
  - buck2-in-supply
  - buck3-in-supply
  - regulators

additionalProperties: false

examples:
  - |
    i2c@0 {
        reg = <0x0 0x100>;
        #address-cells = <1>;
        #size-cells = <0>;

        pmic@60 {
            compatible = "ti,lp87524-q1";
            reg = <0x60>;
            gpio-controller;
            #gpio-cells = <2>;

            buck0-in-supply = <&vdd_5v0>;
            buck1-in-supply = <&vdd_5v0>;
            buck2-in-supply = <&vdd_5v0>;
            buck3-in-supply = <&vdd_5v0>;

            regulators {
                buck0_reg: buck0 {
                    regulator-name = "buck0";
                    regulator-min-microvolt = <3300000>;
                    regulator-max-microvolt = <3300000>;
                    regulator-always-on;
                };

                buck1_reg: buck1 {
                    regulator-name = "buck1";
                    regulator-min-microvolt = <1350000>;
                    regulator-max-microvolt = <1350000>;
                    regulator-always-on;
                };

                buck2_reg: buck2 {
                    regulator-name = "buck2";
                    regulator-min-microvolt = <950000>;
                    regulator-max-microvolt = <950000>;
                    regulator-always-on;
                };

                buck3_reg: buck3 {
                    regulator-name = "buck3";
                    regulator-min-microvolt = <1800000>;
                    regulator-max-microvolt = <1800000>;
                    regulator-always-on;
                };
            };
        };
    };

...