# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/mediatek,mt6358-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MT6358 Regulator
maintainers:
- Zhiyong Tao <[email protected]>
description:
Regulator node of the PMIC. This node should under the PMIC's device node.
All voltage regulators provided by the PMIC are described as sub-nodes of
this node.
properties:
compatible:
oneOf:
- const: mediatek,mt6358-regulator
- items:
- const: mediatek,mt6366-regulator
- const: mediatek,mt6358-regulator
vsys-ldo1-supply:
description: Supply for LDOs vfe28, vxo22, vcn28, vaux18, vaud28, vsim1, vusb, vbif28
vsys-ldo2-supply:
description: Supply for LDOs vldo28 (MT6358 only), vio28, vmc, vmch, vsim2
vsys-ldo3-supply:
description: Supply for LDOs vcn33, vcama[12] (MT6358 only), vemc, vibr
vsys-vcore-supply:
description: Supply for buck regulator vcore
vsys-vdram1-supply:
description: Supply for buck regulator vdram1
vsys-vgpu-supply:
description: Supply for buck regulator vgpu
vsys-vmodem-supply:
description: Supply for buck regulator vmodem
vsys-vpa-supply:
description: Supply for buck regulator vpa
vsys-vproc11-supply:
description: Supply for buck regulator vproc11
vsys-vproc12-supply:
description: Supply for buck regulator vproc12
vsys-vs1-supply:
description: Supply for buck regulator vs1
vsys-vs2-supply:
description: Supply for buck regulator vs2
vs1-ldo1-supply:
description:
Supply for LDOs vrf18, vefuse, vcn18, vcamio (MT6358 only), vio18, vm18 (MT6366 only)
vs2-ldo1-supply:
description: Supply for LDOs vdram2, vmddr (MT6366 only)
vs2-ldo2-supply:
description: Supply for LDOs vrf12, va12
vs2-ldo3-supply:
description:
Supply for LDOs vsram-core (MT6366 only), vsram-gpu, vsram-others, vsram-proc11, vsram-proc12
vs2-ldo4-supply:
description: Supply for LDO vcamd
patternProperties:
"^(buck_)?v(core|dram1|gpu|modem|pa|proc1[12]|s[12])$":
description: Buck regulators
type: object
$ref: regulator.yaml#
properties:
regulator-allowed-modes:
description: |
Buck regulatpr operating modes allowed. Valid values below.
Users should use the macros from dt-bindings/regulator/mediatek,mt6397-regulator.h
0 (MT6397_BUCK_MODE_AUTO): Auto PFM/PWM mode
1 (MT6397_BUCK_MODE_FORCE_PWM): Forced PWM mode
items:
enum: [0, 1]
unevaluatedProperties: false
"^(ldo_)?v(a|rf)12$":
description: LDOs with fixed 1.2V output and 0~100/10mV tuning
type: object
$ref: regulator.yaml#
properties:
regulator-allowed-modes: false
unevaluatedProperties: false
"^(ldo_)?v((aux|cn|io|rf)18|camio)$":
description:
LDOs with fixed 1.8V output and 0~100/10mV tuning (vcn18 on MT6366 has variable output)
type: object
$ref: regulator.yaml#
properties:
regulator-allowed-modes: false
unevaluatedProperties: false
"^(ldo_)?vxo22$":
description: LDOs with fixed 2.2V output and 0~100/10mV tuning
type: object
$ref: regulator.yaml#
properties:
regulator-allowed-modes: false
unevaluatedProperties: false
"^(ldo_)?v(aud|bif|cn|fe|io)28$":
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
$ref: regulator.yaml#
properties:
regulator-allowed-modes: false
unevaluatedProperties: false
"^(ldo_)?vsram[_-](core|gpu|others|proc1[12])$":
description: LDOs with variable output
type: object
$ref: regulator.yaml#
properties:
regulator-allowed-modes: false
unevaluatedProperties: false
"^(ldo_)?v(cama[12]|camd|cn33|dram2|efuse|emc|ibr|ldo28|m18|mc|mch|mddr|sim[12])$":
description: LDOs with variable output and 0~100/10mV tuning
type: object
$ref: regulator.yaml#
properties:
regulator-allowed-modes: false
unevaluatedProperties: false
required:
- compatible
additionalProperties: false
allOf:
- if:
properties:
compatible:
const: mediatek,mt6358-regulator
then:
patternProperties:
# Old regulator node name scheme (with prefix and underscores) only
# ([^y-] is used to avoid matching -supply
"^(?<!buck_)(?<!ldo_)v.*[^y-](?!-supply)$": false
"^ldo_vsram-": false
# vsram_core regulator doesn't exist on MT6358
"^ldo_vsram[-_]core$": false
properties:
# vm18 and vmddr regulators don't exist on MT6358
ldo_vm18: false
ldo_vmddr: false
- if:
properties:
compatible:
contains:
const: mediatek,mt6366-regulator
then:
patternProperties:
# Prefer cleaned up regulator node names
"^(buck|ldo)_": false
# Don't allow underscores
"^vsram_": false
# vcam* regulators don't exist on MT6366
"^vcam": false
properties:
# vldo28 regulator doesn't exist on MT6366
vldo28: false
# vs2_ldo4 supply pin doesn't exist on MT6366
vs2-ldo4-supply: false
examples:
- |
#include <dt-bindings/regulator/mediatek,mt6397-regulator.h>
regulator {
compatible = "mediatek,mt6358-regulator";
buck_vgpu {
regulator-name = "vgpu";
regulator-min-microvolt = <625000>;
regulator-max-microvolt = <900000>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <200>;
regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO
MT6397_BUCK_MODE_FORCE_PWM>;
};
ldo_vsram_gpu {
regulator-name = "vsram_gpu";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1000000>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <240>;
};
};
- |
#include <dt-bindings/regulator/mediatek,mt6397-regulator.h>
regulator {
compatible = "mediatek,mt6366-regulator", "mediatek,mt6358-regulator";
vdram1 {
regulator-name = "pp1125_emi_vdd2";
regulator-min-microvolt = <1125000>;
regulator-max-microvolt = <1125000>;
regulator-ramp-delay = <12500>;
regulator-enable-ramp-delay = <0>;
regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO
MT6397_BUCK_MODE_FORCE_PWM>;
regulator-always-on;
};
vproc11 {
regulator-name = "ppvar_dvdd_proc_bc_mt6366";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <1200000>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <200>;
regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO
MT6397_BUCK_MODE_FORCE_PWM>;
regulator-always-on;
};
vmddr {
regulator-name = "pm0750_emi_vmddr";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <750000>;
regulator-enable-ramp-delay = <325>;
regulator-always-on;
};
vsram-proc11 {
regulator-name = "pp0900_dvdd_sram_bc";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1120000>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <240>;
regulator-always-on;
};
};
...
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