dt-bindings: mfd: Add LP87524-Q1

# 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

  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;

                };

            };

        };

    };

...