| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/regulator/mediatek,mt6316c-regulator.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: MediaTek MT6316 CP/HP/KP SPMI PMIC Regulators |
| |
| maintainers: |
| - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> |
| |
| description: |
| The MediaTek MT6316CP/HP/KP PMICs are fully controlled by SPMI interface, |
| features four step-down DC/DC (buck) converters, and provides 3+1 Phases, |
| joining Buck 1+2+4 for the first phase, and uses Buck 3 for the second. |
| |
| properties: |
| compatible: |
| const: mediatek,mt6316c-regulator |
| |
| reg: |
| maxItems: 1 |
| |
| patternProperties: |
| "^vbuck(124|3)$": |
| type: object |
| $ref: regulator.yaml# |
| unevaluatedProperties: false |
| properties: |
| regulator-allowed-modes: |
| description: | |
| Allowed Buck regulator operating modes allowed. Valid values below. |
| 0 - Normal mode with automatic power saving, reducing the switching |
| frequency when light load conditions are detected |
| 1 - Forced Continuous Conduction mode (FCCM) for improved voltage |
| regulation accuracy with constant switching frequency but lower |
| regulator efficiency |
| 2 - Forced Low Power mode for improved regulator efficiency, used |
| when no heavy load is expected, will shut down unnecessary IP |
| blocks and secondary phases to reduce quiescent current. |
| This mode does not limit the maximum output current but unless |
| only a light load is applied, there will be regulation accuracy |
| and efficiency losses. |
| minItems: 1 |
| maxItems: 3 |
| items: |
| enum: [ 0, 1, 2 ] |
| |
| required: |
| - compatible |
| - reg |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/spmi/spmi.h> |
| |
| spmi { |
| #address-cells = <2>; |
| #size-cells = <0>; |
| |
| pmic@6 { |
| compatible = "mediatek,mt6316c-regulator"; |
| reg = <0x6 SPMI_USID>; |
| |
| vbuck124 { |
| regulator-name = "dvdd_proc_m"; |
| regulator-min-microvolt = <450000>; |
| regulator-max-microvolt = <1277500>; |
| regulator-allowed-modes = <0 1 2>; |
| regulator-enable-ramp-delay = <256>; |
| }; |
| }; |
| }; |
| ... |
