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The MT6358 PMIC has various regulator power supply pins that should be supplied from external power sources or routed from one of its outputs. Add these regulator supplies to the binding. The names are the actual names from the datasheet, with hyphens replacing underscores. Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230928085537.3246669-5-wenst@chromium.org Signed-off-by: Mark Brown <broonie@kernel.org>
159 lines
4.7 KiB
YAML
159 lines
4.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/regulator/mediatek,mt6358-regulator.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MediaTek MT6358 Regulator
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maintainers:
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- Zhiyong Tao <zhiyong.tao@mediatek.com>
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description:
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Regulator node of the PMIC. This node should under the PMIC's device node.
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All voltage regulators provided by the PMIC are described as sub-nodes of
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this node.
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properties:
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compatible:
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const: mediatek,mt6358-regulator
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ldo_vxo22:
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description: LDOs with fixed 2.2V output and 0~100/10mV tuning
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type: object
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$ref: regulator.yaml#
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properties:
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regulator-allowed-modes: false
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unevaluatedProperties: false
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ldo_vusb:
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description: LDOs with fixed 3.0V output and 0~100/10mV tuning
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type: object
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$ref: regulator.yaml#
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properties:
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regulator-allowed-modes: false
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unevaluatedProperties: false
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vsys-ldo1-supply:
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description: Supply for LDOs vfe28, vxo22, vcn28, vaux18, vaud28, vsim1, vusb, vbif28
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vsys-ldo2-supply:
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description: Supply for LDOs vldo28, vio28, vmc, vmch, vsim2
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vsys-ldo3-supply:
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description: Supply for LDOs vcn33, vcama1, vcama2, vemc, vibr
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vsys-vcore-supply:
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description: Supply for buck regulator vcore
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vsys-vdram1-supply:
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description: Supply for buck regulator vdram1
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vsys-vgpu-supply:
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description: Supply for buck regulator vgpu
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vsys-vmodem-supply:
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description: Supply for buck regulator vmodem
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vsys-vpa-supply:
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description: Supply for buck regulator vpa
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vsys-vproc11-supply:
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description: Supply for buck regulator vproc11
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vsys-vproc12-supply:
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description: Supply for buck regulator vproc12
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vsys-vs1-supply:
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description: Supply for buck regulator vs1
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vsys-vs2-supply:
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description: Supply for buck regulator vs2
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vs1-ldo1-supply:
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description: Supply for LDOs vrf18, vefuse, vcn18, vcamio, vio18
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vs2-ldo1-supply:
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description: Supply for LDOs vdram2
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vs2-ldo2-supply:
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description: Supply for LDOs vrf12, va12
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vs2-ldo3-supply:
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description: Supply for LDOs vsram-gpu, vsram-others, vsram-proc11, vsram-proc12
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vs2-ldo4-supply:
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description: Supply for LDO vcamd
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patternProperties:
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"^buck_v(core|dram1|gpu|modem|pa|proc1[12]|s[12])$":
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description: Buck regulators
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type: object
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$ref: regulator.yaml#
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properties:
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regulator-allowed-modes:
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description: |
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Buck regulatpr operating modes allowed. Valid values below.
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Users should use the macros from dt-bindings/regulator/mediatek,mt6397-regulator.h
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0 (MT6397_BUCK_MODE_AUTO): Auto PFM/PWM mode
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1 (MT6397_BUCK_MODE_FORCE_PWM): Forced PWM mode
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items:
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enum: [0, 1]
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unevaluatedProperties: false
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"^ldo_v(a|rf)12$":
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description: LDOs with fixed 1.2V output and 0~100/10mV tuning
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type: object
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$ref: regulator.yaml#
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properties:
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regulator-allowed-modes: false
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unevaluatedProperties: false
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"^ldo_v((aux|cn|io|rf)18|camio)$":
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description: LDOs with fixed 1.8V output and 0~100/10mV tuning
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type: object
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$ref: regulator.yaml#
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properties:
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regulator-allowed-modes: false
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unevaluatedProperties: false
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"^ldo_v(aud|bif|cn|fe|io)28$":
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description: LDOs with fixed 2.8V output and 0~100/10mV tuning
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type: object
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$ref: regulator.yaml#
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properties:
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regulator-allowed-modes: false
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unevaluatedProperties: false
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"^ldo_vsram_(gpu|others|proc1[12])$":
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description: LDOs with variable output
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type: object
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$ref: regulator.yaml#
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properties:
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regulator-allowed-modes: false
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unevaluatedProperties: false
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"^ldo_v(cama[12]|camd|cn33|dram2|efuse|emc|ibr|ldo28|mc|mch|sim[12])$":
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description: LDOs with variable output and 0~100/10mV tuning
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type: object
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$ref: regulator.yaml#
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properties:
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regulator-allowed-modes: false
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unevaluatedProperties: false
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required:
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- compatible
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/regulator/mediatek,mt6397-regulator.h>
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regulator {
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compatible = "mediatek,mt6358-regulator";
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buck_vgpu {
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regulator-name = "vgpu";
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regulator-min-microvolt = <625000>;
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regulator-max-microvolt = <900000>;
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regulator-ramp-delay = <6250>;
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regulator-enable-ramp-delay = <200>;
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regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO
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MT6397_BUCK_MODE_FORCE_PWM>;
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};
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ldo_vsram_gpu {
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regulator-name = "vsram_gpu";
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regulator-min-microvolt = <850000>;
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regulator-max-microvolt = <1000000>;
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regulator-ramp-delay = <6250>;
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regulator-enable-ramp-delay = <240>;
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};
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};
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...
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