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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/dlg,da9121.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Dialog Semiconductor DA9121 voltage regulator
maintainers:
- Adam Ward <Adam.Ward.opensource@diasemi.com>
description: |
Dialog Semiconductor DA9121 Single-channel 10A double-phase buck converter
Dialog Semiconductor DA9122 Double-channel 5A single-phase buck converter
Dialog Semiconductor DA9220 Double-channel 3A single-phase buck converter
Dialog Semiconductor DA9217 Single-channel 6A double-phase buck converter
Dialog Semiconductor DA9130 Single-channel 10A double-phase buck converter
Dialog Semiconductor DA9131 Double-channel 5A single-phase buck converter
Dialog Semiconductor DA9132 Double-channel 3A single-phase buck converter
Current limits
This is PER PHASE, and the current limit setting in the devices reflect
that with a maximum 10A limit. Allowing for transients at/near double
the rated current, this translates across the device range to per
channel figures as so...
| DA9121 DA9122 DA9220 DA9217 DA9140
| /DA9130 /DA9131 /DA9132
-----------------------------------------------------------------------------
Output current / channel | 10000000 5000000 3000000 6000000 40000000
Output current / phase | 5000000 5000000 3000000 3000000 9500000
-----------------------------------------------------------------------------
Min regulator-min-microvolt| 300000 300000 300000 300000 500000
Max regulator-max-microvolt| 1900000 1900000 1900000 1900000 1000000
Device hardware default | 1000000 1000000 1000000 1000000 1000000
-----------------------------------------------------------------------------
Min regulator-min-microamp | 7000000 3500000 3500000 7000000 26000000
Max regulator-max-microamp | 20000000 10000000 6000000 12000000 78000000
Device hardware default | 15000000 7500000 5500000 11000000 58000000
properties:
$nodename:
pattern: "pmic@[0-9a-f]{1,2}"
compatible:
enum:
- dlg,da9121
- dlg,da9122
- dlg,da9220
- dlg,da9217
- dlg,da9130
- dlg,da9131
- dlg,da9132
- dlg,da9140
reg:
maxItems: 1
description: Specifies the I2C slave address.
interrupts:
maxItems: 1
description: IRQ line information.
dlg,irq-polling-delay-passive-ms:
minimum: 1000
maximum: 10000
description: |
Specify the polling period, measured in milliseconds, between interrupt status
update checks. Range 1000-10000 ms.
regulators:
type: object
$ref: regulator.yaml#
description: |
This node defines the settings for the BUCK. The content of the
sub-node is defined by the standard binding for regulators; see regulator.yaml.
The DA9121 regulator is bound using their names listed below
buck1 - BUCK1
buck2 - BUCK2 //DA9122, DA9220, DA9131, DA9132 only
patternProperties:
"^buck([1-2])$":
type: object
$ref: regulator.yaml#
properties:
regulator-mode:
maxItems: 1
description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
regulator-initial-mode:
maxItems: 1
description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
enable-gpios:
maxItems: 1
description: Specify a valid GPIO for platform control of the regulator
dlg,ripple-cancel:
$ref: "/schemas/types.yaml#/definitions/uint32"
description: |
Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
Only present on multi-channel devices (DA9122, DA9220, DA9131, DA9132)
unevaluatedProperties: false
required:
- compatible
- reg
- regulators
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/regulator/dlg,da9121-regulator.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@68 {
compatible = "dlg,da9121";
reg = <0x68>;
interrupt-parent = <&gpio6>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
dlg,irq-polling-delay-passive-ms = <2000>;
regulators {
DA9121_BUCK1: buck1 {
regulator-name = "BUCK1";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1900000>;
regulator-min-microamp = <7000000>;
regulator-max-microamp = <20000000>;
regulator-boot-on;
regulator-initial-mode = <DA9121_BUCK_MODE_AUTO>;
enable-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
};
};
};
};
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/regulator/dlg,da9121-regulator.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@68 {
compatible = "dlg,da9122";
reg = <0x68>;
interrupt-parent = <&gpio6>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
dlg,irq-polling-delay-passive-ms = <2000>;
regulators {
DA9122_BUCK1: buck1 {
regulator-name = "BUCK1";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1900000>;
regulator-min-microamp = <3500000>;
regulator-max-microamp = <10000000>;
regulator-boot-on;
regulator-initial-mode = <DA9121_BUCK_MODE_AUTO>;
enable-gpios = <&gpio6 1 GPIO_ACTIVE_HIGH>;
dlg,ripple-cancel = <DA9121_BUCK_RIPPLE_CANCEL_NONE>;
};
DA9122_BUCK2: buck2 {
regulator-name = "BUCK2";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1900000>;
regulator-min-microamp = <3500000>;
regulator-max-microamp = <10000000>;
regulator-boot-on;
regulator-initial-mode = <DA9121_BUCK_MODE_AUTO>;
enable-gpios = <&gpio6 2 GPIO_ACTIVE_HIGH>;
dlg,ripple-cancel = <DA9121_BUCK_RIPPLE_CANCEL_NONE>;
};
};
};
};
...
|
