qcom-labibb-regulator.yaml

  1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/regulator/qcom-labibb-regulator.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Qualcomm's LAB(LCD AMOLED Boost)/IBB(Inverting Buck Boost) Regulator
  8
  9maintainers:
 10  - Sumit Semwal <sumit.semwal@linaro.org>
 11
 12description:
 13  LAB can be used as a positive boost power supply and IBB can be used as a
 14  negative boost power supply for display panels. Currently implemented for
 15  pmi8998.
 16
 17properties:
 18  compatible:
 19    oneOf:
 20      - const: qcom,pmi8998-lab-ibb
 21      - items:
 22          - enum:
 23              - qcom,pmi8950-lab-ibb
 24          - const: qcom,pmi8998-lab-ibb
 25
 26  lab:
 27    type: object
 28    $ref: regulator.yaml#
 29    unevaluatedProperties: false
 30
 31    properties:
 32      qcom,soft-start-us:
 33        description: Regulator soft start time in microseconds.
 34        enum: [200, 400, 600, 800]
 35        default: 200
 36
 37      interrupts:
 38        minItems: 1
 39        maxItems: 2
 40        description:
 41          Short-circuit and over-current interrupts for lab.
 42
 43      interrupt-names:
 44        minItems: 1
 45        items:
 46          - const: sc-err
 47          - const: ocp
 48
 49    required:
 50      - interrupts
 51      - interrupt-names
 52
 53  ibb:
 54    type: object
 55    $ref: regulator.yaml#
 56    unevaluatedProperties: false
 57
 58    properties:
 59      qcom,discharge-resistor-kohms:
 60        $ref: /schemas/types.yaml#/definitions/uint32
 61        description: Discharge resistor value in KiloOhms.
 62        enum: [300, 64, 32, 16]
 63        default: 300
 64
 65      interrupts:
 66        minItems: 1
 67        maxItems: 2
 68        description:
 69          Short-circuit and over-current interrupts for ibb.
 70
 71      interrupt-names:
 72        minItems: 1
 73        items:
 74          - const: sc-err
 75          - const: ocp
 76
 77    required:
 78      - interrupts
 79      - interrupt-names
 80
 81required:
 82  - compatible
 83
 84additionalProperties: false
 85
 86examples:
 87  - |
 88    #include <dt-bindings/interrupt-controller/irq.h>
 89
 90    labibb {
 91      compatible = "qcom,pmi8998-lab-ibb";
 92
 93      lab {
 94        interrupts = <0x3 0xde 0x1 IRQ_TYPE_EDGE_RISING>,
 95                     <0x3 0xde 0x0 IRQ_TYPE_LEVEL_LOW>;
 96        interrupt-names = "sc-err", "ocp";
 97      };
 98
 99      ibb {
100        interrupts = <0x3 0xdc 0x2 IRQ_TYPE_EDGE_RISING>,
101                     <0x3 0xdc 0x0 IRQ_TYPE_LEVEL_LOW>;
102        interrupt-names = "sc-err", "ocp";
103      };
104    };
105
106...