# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/fitipower,fp9931.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: FitiPower FP9931/JD9930 Power Management Integrated Circuit

maintainers:
  - Andreas Kemnade <andreas@kemnade.info>

description:
  FP9931 is a Power Management IC to provide Power for EPDs with one 3.3V
  switch, 2 symmetric LDOs behind 2 DC/DC converters, and one unsymmetric
  regulator for a compensation voltage.
  JD9930 has in addition some kind of night mode.

properties:
  compatible:
    oneOf:
      - const: fitipower,fp9931

      - items:
          - const: fitipower,jd9930
          - const: fitipower,fp9931

  reg:
    maxItems: 1

  enable-gpios:
    maxItems: 1

  pg-gpios:
    maxItems: 1

  en-ts-gpios:
    maxItems: 1

  xon-gpios:
    maxItems: 1

  vin-supply:
    description:
      Supply for the whole chip. Some vendor kernels and devicetrees
      declare this as a non-existing GPIO named "pwrall".

  fitipower,tdly-ms:
    description:
      Power up soft start delay settings tDLY1-4 bitfields in the
      POWERON_DELAY register
    items:
      - enum: [0, 1, 2, 4]
      - enum: [0, 1, 2, 4]
      - enum: [0, 1, 2, 4]
      - enum: [0, 1, 2, 4]

  regulators:
    type: object
    additionalProperties: false
    patternProperties:
      "^(vcom|vposneg|v3p3)$":
        unevaluatedProperties: false
        type: object
        $ref: /schemas/regulator/regulator.yaml

required:
  - compatible
  - reg
  - pg-gpios
  - enable-gpios

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
 
        pmic@18 {
            compatible = "fitipower,fp9931";
            reg = <0x18>;
            pinctrl-names = "default";
            pinctrl-0 = <&pinctrl_fp9931_gpio>;
            vin-supply = <&epd_pmic_supply>;
            pg-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
            en-ts-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>;
            enable-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>;
            fitipower,tdly-ms = <2 2 4 4>;
 
            regulators {
                vcom {
                    regulator-name = "vcom";
                    regulator-min-microvolt = <2352840>;
                    regulator-max-microvolt = <2352840>;
                };
 
                vposneg {
                    regulator-name = "vposneg";
                    regulator-min-microvolt = <15060000>;
                    regulator-max-microvolt = <15060000>;
                };
 
                v3p3 {
                    regulator-name = "v3p3";
                };
            };
        };
    };