202 lines
6.5 KiB
YAML
202 lines
6.5 KiB
YAML
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# 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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$id: http://devicetree.org/schemas/regulator/dlg,da9121.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Dialog Semiconductor DA9121 voltage regulator
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maintainers:
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- Adam Ward <Adam.Ward.opensource@diasemi.com>
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description: |
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Dialog Semiconductor DA9121 Single-channel 10A double-phase buck converter
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Dialog Semiconductor DA9122 Double-channel 5A single-phase buck converter
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Dialog Semiconductor DA9220 Double-channel 3A single-phase buck converter
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Dialog Semiconductor DA9217 Single-channel 6A double-phase buck converter
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Dialog Semiconductor DA9130 Single-channel 10A double-phase buck converter
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Dialog Semiconductor DA9131 Double-channel 5A single-phase buck converter
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Dialog Semiconductor DA9132 Double-channel 3A single-phase buck converter
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Dialog Semiconductor DA9141 Single-channel 40A quad-phase buck converter
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Dialog Semiconductor DA9142 Single-channel 20A double-phase buck converter
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Device parameter ranges
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The current limits can be set to at/near double the rated current per channel
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to allow for transient peaks.
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Current limit changes when the output is enabled are not supported, as a
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precaution against undefined behaviour.
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|----------------------------------------------|
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| | range & reset default value |
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| Device |------------------------------|
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| | microvolt | microamp |
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|----------------------------------------------|
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| DA9121/DA9130 | Min: 300000 | Min: 7000000 |
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| | Max: 1900000 | Max: 20000000 |
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|----------------------------------------------|
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| DA9121/DA9131 | Min: 300000 | Min: 3500000 |
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| | Max: 1900000 | Max: 10000000 |
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|----------------------------------------------|
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| DA9121/DA9131 | Min: 300000 | Min: 3500000 |
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| | Max: 1900000 | Max: 6000000 |
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|----------------------------------------------|
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| DA9217 | Min: 300000 | Min: 7000000 |
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| | Max: 1900000 | Max: 12000000 |
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|----------------------------------------------|
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| DA9141 | Min: 300000 | Min: 26000000 |
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| | Max: 1300000 | Max: 78000000 |
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|----------------------------------------------|
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| DA9142 | Min: 300000 | Min: 13000000 |
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| | Max: 1300000 | Max: 39000000 |
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|----------------------------------------------|
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properties:
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$nodename:
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pattern: "pmic@[0-9a-f]{1,2}"
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compatible:
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enum:
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- dlg,da9121
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- dlg,da9122
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- dlg,da9220
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- dlg,da9217
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- dlg,da9130
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- dlg,da9131
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- dlg,da9132
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- dlg,da9141
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- dlg,da9142
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reg:
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maxItems: 1
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description: Specifies the I2C slave address.
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interrupts:
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maxItems: 1
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description: IRQ line information.
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dlg,irq-polling-delay-passive-ms:
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minimum: 1000
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maximum: 10000
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description: |
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Specify the polling period, measured in milliseconds, between interrupt status
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update checks. Range 1000-10000 ms.
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regulators:
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type: object
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additionalProperties: false
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description: |
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List of regulators provided by the device
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patternProperties:
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"^buck([1-2])$":
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type: object
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$ref: regulator.yaml#
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description: |
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Properties for a single BUCK regulator
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properties:
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regulator-name:
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pattern: "^BUCK([1-2])$"
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description: |
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BUCK2 present in DA9122, DA9220, DA9131, DA9132 only
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regulator-initial-mode:
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enum: [ 0, 1, 2, 3 ]
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description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
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enable-gpios:
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maxItems: 1
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description: Specify a valid GPIO for platform control of the regulator
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dlg,ripple-cancel:
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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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Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
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Only present on multi-channel devices (DA9122, DA9220, DA9131, DA9132)
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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- regulators
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/regulator/dlg,da9121-regulator.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@68 {
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compatible = "dlg,da9121";
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reg = <0x68>;
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interrupt-parent = <&gpio6>;
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interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
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dlg,irq-polling-delay-passive-ms = <2000>;
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regulators {
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DA9121_BUCK1: buck1 {
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regulator-name = "BUCK1";
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regulator-min-microvolt = <300000>;
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regulator-max-microvolt = <1900000>;
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regulator-min-microamp = <7000000>;
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regulator-max-microamp = <20000000>;
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regulator-boot-on;
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regulator-initial-mode = <DA9121_BUCK_MODE_AUTO>;
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enable-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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};
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/regulator/dlg,da9121-regulator.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@68 {
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compatible = "dlg,da9122";
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reg = <0x68>;
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interrupt-parent = <&gpio6>;
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interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
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dlg,irq-polling-delay-passive-ms = <2000>;
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regulators {
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DA9122_BUCK1: buck1 {
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regulator-name = "BUCK1";
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regulator-min-microvolt = <300000>;
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regulator-max-microvolt = <1900000>;
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regulator-min-microamp = <3500000>;
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regulator-max-microamp = <10000000>;
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regulator-boot-on;
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regulator-initial-mode = <DA9121_BUCK_MODE_AUTO>;
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enable-gpios = <&gpio6 1 GPIO_ACTIVE_HIGH>;
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dlg,ripple-cancel = <DA9121_BUCK_RIPPLE_CANCEL_NONE>;
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};
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DA9122_BUCK2: buck2 {
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regulator-name = "BUCK2";
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regulator-min-microvolt = <300000>;
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regulator-max-microvolt = <1900000>;
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regulator-min-microamp = <3500000>;
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regulator-max-microamp = <10000000>;
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regulator-boot-on;
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regulator-initial-mode = <DA9121_BUCK_MODE_AUTO>;
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enable-gpios = <&gpio6 2 GPIO_ACTIVE_HIGH>;
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dlg,ripple-cancel = <DA9121_BUCK_RIPPLE_CANCEL_NONE>;
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};
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};
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};
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};
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...
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