regulator: Add labibb regulator binding

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/regulator/qcom-labibb-regulator.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm's LAB(LCD AMOLED Boost)/IBB(Inverting Buck Boost) Regulator

maintainers:

  - Sumit Semwal <sumit.semwal@linaro.org>

description:

  LAB can be used as a positive boost power supply and IBB can be used as a

  negative boost power supply for display panels. Currently implemented for

  pmi8998.

properties:

  compatible:

    const: qcom,pmi8998-lab-ibb

  lab:

    type: object

    properties:

      interrupts:

        maxItems: 1

        description:

          Short-circuit interrupt for lab.

    required:

    - interrupts

  ibb:

    type: object

    properties:

      interrupts:

        maxItems: 1

        description:

          Short-circuit interrupt for lab.

    required:

    - interrupts

required:

  - compatible

unevaluatedProperties: false

examples:

  - |

    #include <dt-bindings/interrupt-controller/irq.h>

    labibb {

      compatible = "qcom,pmi8998-lab-ibb";

      lab {

        interrupts = <0x3 0x0 IRQ_TYPE_EDGE_RISING>;

        interrupt-names = "sc-err";

      };

      ibb {

        interrupts = <0x3 0x2 IRQ_TYPE_EDGE_RISING>;

        interrupt-names = "sc-err";

      };

    };

...