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109 lines
2.5 KiB
109 lines
2.5 KiB
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/regulator/maxim,max8952.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Maxim MAX8952 voltage regulator |
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maintainers: |
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- Krzysztof Kozlowski <[email protected]> |
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allOf: |
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- $ref: regulator.yaml# |
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properties: |
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compatible: |
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const: maxim,max8952 |
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max8952,default-mode: |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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enum: [0, 1, 2, 3] |
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description: | |
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index of default DVS voltage |
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max8952,dvs-mode-microvolt: |
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minItems: 4 |
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maxItems: 4 |
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items: |
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minimum: 770000 |
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maximum: 1400000 |
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description: | |
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Array of 4 integer values defining DVS voltages in microvolts. All values |
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must be from range <770000, 1400000>. |
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max8952,en-gpio: |
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maxItems: 1 |
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description: | |
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GPIO used to control enable status of regulator |
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max8952,ramp-speed: |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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enum: [0, 1, 2, 3, 4, 5, 6, 7] |
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default: 0 |
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description: | |
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Voltage ramp speed, values map to: |
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- 0: 32mV/us |
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- 1: 16mV/us |
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- 2: 8mV/us |
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- 3: 4mV/us |
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- 4: 2mV/us |
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- 5: 1mV/us |
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- 6: 0.5mV/us |
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- 7: 0.25mV/us |
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Defaults to 32mV/us if not specified. |
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max8952,sync-freq: |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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enum: [0, 1, 2] |
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default: 0 |
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description: | |
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Sync frequency, values map to: |
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- 0: 26 MHz |
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- 1: 13 MHz |
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- 2: 19.2 MHz |
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Defaults to 26 MHz if not specified. |
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max8952,vid-gpios: |
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minItems: 2 |
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maxItems: 2 |
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description: | |
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Array of two GPIO pins used for DVS voltage selection |
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reg: |
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maxItems: 1 |
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required: |
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- compatible |
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- max8952,dvs-mode-microvolt |
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- reg |
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unevaluatedProperties: false |
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examples: |
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- | |
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#include <dt-bindings/gpio/gpio.h> |
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i2c { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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pmic@60 { |
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compatible = "maxim,max8952"; |
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reg = <0x60>; |
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max8952,vid-gpios = <&gpx0 3 GPIO_ACTIVE_HIGH>, |
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<&gpx0 4 GPIO_ACTIVE_HIGH>; |
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max8952,default-mode = <0>; |
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max8952,dvs-mode-microvolt = <1250000>, <1200000>, |
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<1050000>, <950000>; |
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max8952,sync-freq = <0>; |
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max8952,ramp-speed = <0>; |
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regulator-name = "VARM_1.2V_C210"; |
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regulator-min-microvolt = <770000>; |
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regulator-max-microvolt = <1400000>; |
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regulator-always-on; |
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regulator-boot-on; |
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}; |
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};
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