# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/mediatek,mt6397-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MT6397 Regulator
maintainers:
- Sen Chu <[email protected]>
- Macpaul Lin <[email protected]>
description:
Regulator node of the PMIC. This node should under the PMIC's device node.
All voltage regulators provided by the PMIC are described as sub-nodes of
this node.
properties:
compatible:
items:
- const: mediatek,mt6397-regulator
patternProperties:
"^(buck_)?v(core|drm|gpu|io18|pca(7|15)|sramca(7|15))$":
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>;
};
};
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