xref: /linux/Documentation/devicetree/bindings/regulator/mediatek,mt6397-regulator.yaml (revision c771600c6af14749609b49565ffb4cac2959710d)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/mediatek,mt6397-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek MT6397 Regulator

maintainers:
  - Sen Chu <sen.chu@mediatek.com>
  - Macpaul Lin <macpaul.lin@mediatek.com>

description:
  Regulator node of the PMIC. This node should under the PMIC's device node.
  All voltage regulators provided by the PMIC are described as sub-nodes of
  this node.

properties:
  compatible:
    items:
      - const: mediatek,mt6397-regulator

patternProperties:
  "^(buck_)?v(core|drm|gpu|io18|pca(7|15)|sramca(7|15))$":
    description: Buck regulators
    type: object
    $ref: regulator.yaml#
    properties:
      regulator-allowed-modes:
        description: |
          BUCK regulators can set regulator-initial-mode and regulator-allowed-modes to
          values specified in dt-bindings/regulator/mediatek,mt6397-regulator.h
        items:
          enum: [0, 1]
    unevaluatedProperties: false

  "^(ldo_)?v(tcxo|(a|io)28)$":
    description: LDOs with fixed 2.8V output and 0~100/10mV tuning
    type: object
    $ref: regulator.yaml#
    properties:
      regulator-allowed-modes: false
    unevaluatedProperties: false

  "^(ldo_)?vusb$":
    description: LDOs with fixed 3.0V output and 0~100/10mV tuning
    type: object
    $ref: regulator.yaml#
    properties:
      regulator-allowed-modes: false
    unevaluatedProperties: false

  "^(ldo_)?v(cama|emc3v3|gp[123456]|ibr|mc|mch)$":
    description: LDOs with variable output and 0~100/10mV tuning
    type: object
    $ref: regulator.yaml#
    properties:
      regulator-allowed-modes: false
    unevaluatedProperties: false

required:
  - compatible

additionalProperties: false

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

    mt6397_regulators: regulators {
        compatible = "mediatek,mt6397-regulator";

        mt6397_vpca15_reg: buck_vpca15 {
            regulator-name = "vpca15";
            regulator-min-microvolt = < 850000>;
            regulator-max-microvolt = <1350000>;
            regulator-ramp-delay = <12500>;
            regulator-enable-ramp-delay = <200>;
        };

        mt6397_vpca7_reg: buck_vpca7 {
            regulator-name = "vpca7";
            regulator-min-microvolt = < 850000>;
            regulator-max-microvolt = <1350000>;
            regulator-ramp-delay = <12500>;
            regulator-enable-ramp-delay = <115>;
        };

        mt6397_vsramca15_reg: buck_vsramca15 {
            regulator-name = "vsramca15";
            regulator-min-microvolt = < 850000>;
            regulator-max-microvolt = <1350000>;
            regulator-ramp-delay = <12500>;
            regulator-enable-ramp-delay = <115>;
        };

        mt6397_vsramca7_reg: buck_vsramca7 {
            regulator-name = "vsramca7";
            regulator-min-microvolt = < 850000>;
            regulator-max-microvolt = <1350000>;
            regulator-ramp-delay = <12500>;
            regulator-enable-ramp-delay = <115>;
        };

        mt6397_vcore_reg: buck_vcore {
            regulator-name = "vcore";
            regulator-min-microvolt = < 850000>;
            regulator-max-microvolt = <1350000>;
            regulator-ramp-delay = <12500>;
            regulator-enable-ramp-delay = <115>;
        };

        mt6397_vgpu_reg: buck_vgpu {
            regulator-name = "vgpu";
            regulator-min-microvolt = < 700000>;
            regulator-max-microvolt = <1350000>;
            regulator-ramp-delay = <12500>;
            regulator-enable-ramp-delay = <115>;
        };

        mt6397_vdrm_reg: buck_vdrm {
            regulator-name = "vdrm";
            regulator-min-microvolt = < 800000>;
            regulator-max-microvolt = <1400000>;
            regulator-ramp-delay = <12500>;
            regulator-enable-ramp-delay = <500>;
        };

        mt6397_vio18_reg: buck_vio18 {
            regulator-name = "vio18";
            regulator-min-microvolt = <1500000>;
            regulator-max-microvolt = <2120000>;
            regulator-ramp-delay = <12500>;
            regulator-enable-ramp-delay = <500>;
        };

        mt6397_vtcxo_reg: ldo_vtcxo {
            regulator-name = "vtcxo";
            regulator-min-microvolt = <2800000>;
            regulator-max-microvolt = <2800000>;
            regulator-enable-ramp-delay = <90>;
        };

        mt6397_va28_reg: ldo_va28 {
            regulator-name = "va28";
            /* fixed output 2.8 V */
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vcama_reg: ldo_vcama {
            regulator-name = "vcama";
            regulator-min-microvolt = <1500000>;
            regulator-max-microvolt = <2800000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vio28_reg: ldo_vio28 {
            regulator-name = "vio28";
            /* fixed output 2.8 V */
            regulator-enable-ramp-delay = <240>;
        };

        mt6397_usb_reg: ldo_vusb {
            regulator-name = "vusb";
            /* fixed output 3.3 V */
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vmc_reg: ldo_vmc {
            regulator-name = "vmc";
            regulator-min-microvolt = <1800000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vmch_reg: ldo_vmch {
            regulator-name = "vmch";
            regulator-min-microvolt = <3000000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vemc_3v3_reg: ldo_vemc3v3 {
            regulator-name = "vemc_3v3";
            regulator-min-microvolt = <3000000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vgp1_reg: ldo_vgp1 {
            regulator-name = "vcamd";
            regulator-min-microvolt = <1220000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <240>;
        };

        mt6397_vgp2_reg: ldo_vgp2 {
            regulator-name = "vcamio";
            regulator-min-microvolt = <1000000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vgp3_reg: ldo_vgp3 {
            regulator-name = "vcamaf";
            regulator-min-microvolt = <1200000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vgp4_reg: ldo_vgp4 {
            regulator-name = "vgp4";
            regulator-min-microvolt = <1200000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vgp5_reg: ldo_vgp5 {
            regulator-name = "vgp5";
            regulator-min-microvolt = <1200000>;
            regulator-max-microvolt = <3000000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vgp6_reg: ldo_vgp6 {
            regulator-name = "vgp6";
            regulator-min-microvolt = <1200000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <218>;
        };

        mt6397_vibr_reg: ldo_vibr {
            regulator-name = "vibr";
            regulator-min-microvolt = <1200000>;
            regulator-max-microvolt = <3300000>;
            regulator-enable-ramp-delay = <218>;
        };
    };