| # 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>; |
| }; |
| }; |
| }; |
| }; |
| ... |
