xref: /openbmc/linux/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)

# 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
    $ref: regulator.yaml#
    unevaluatedProperties: false

    properties:
      qcom,soft-start-us:
        description: Regulator soft start time in microseconds.
        enum: [200, 400, 600, 800]
        default: 200

      interrupts:
        minItems: 1
        maxItems: 2
        description:
          Short-circuit and over-current interrupts for lab.

      interrupt-names:
        minItems: 1
        items:
          - const: sc-err
          - const: ocp

    required:
      - interrupts
      - interrupt-names

  ibb:
    type: object
    $ref: regulator.yaml#
    unevaluatedProperties: false

    properties:
      qcom,discharge-resistor-kohms:
        $ref: /schemas/types.yaml#/definitions/uint32
        description: Discharge resistor value in KiloOhms.
        enum: [300, 64, 32, 16]
        default: 300

      interrupts:
        minItems: 1
        maxItems: 2
        description:
          Short-circuit and over-current interrupts for ibb.

      interrupt-names:
        minItems: 1
        items:
          - const: sc-err
          - const: ocp

    required:
      - interrupts
      - interrupt-names

required:
  - compatible

additionalProperties: false

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

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

      lab {
        interrupts = <0x3 0xde 0x1 IRQ_TYPE_EDGE_RISING>,
                     <0x3 0xde 0x0 IRQ_TYPE_LEVEL_LOW>;
        interrupt-names = "sc-err", "ocp";
      };

      ibb {
        interrupts = <0x3 0xdc 0x2 IRQ_TYPE_EDGE_RISING>,
                     <0x3 0xdc 0x0 IRQ_TYPE_LEVEL_LOW>;
        interrupt-names = "sc-err", "ocp";
      };
    };

...