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334 lines
8.1 KiB
334 lines
8.1 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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$id: http://devicetree.org/schemas/mfd/st,stpmic1.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: STMicroelectonics STPMIC1 Power Management IC bindings |
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description: STMicroelectronics STPMIC1 Power Management IC |
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maintainers: |
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- pascal Paillet <[email protected]> |
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properties: |
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compatible: |
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const: st,stpmic1 |
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reg: |
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const: 0x33 |
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interrupts: |
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maxItems: 1 |
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"#interrupt-cells": |
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const: 2 |
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interrupt-controller: true |
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onkey: |
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type: object |
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$ref: ../input/input.yaml |
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properties: |
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compatible: |
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const: st,stpmic1-onkey |
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interrupts: |
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items: |
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- description: onkey-falling, happens when onkey is pressed. IT_PONKEY_F of pmic |
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- description: onkey-rising, happens when onkey is released. IT_PONKEY_R of pmic |
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interrupt-names: |
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items: |
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- const: onkey-falling |
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- const: onkey-rising |
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st,onkey-clear-cc-flag: |
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description: onkey is able power on after an over-current shutdown event. |
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$ref: /schemas/types.yaml#/definitions/flag |
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st,onkey-pu-inactive: |
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description: onkey pull up is not active |
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$ref: /schemas/types.yaml#/definitions/flag |
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power-off-time-sec: |
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minimum: 1 |
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maximum: 16 |
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required: |
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- compatible |
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- interrupts |
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- interrupt-names |
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additionalProperties: false |
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watchdog: |
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type: object |
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$ref: ../watchdog/watchdog.yaml |
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properties: |
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compatible: |
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const: st,stpmic1-wdt |
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timeout-sec: true |
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required: |
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- compatible |
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additionalProperties: false |
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regulators: |
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type: object |
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description: | |
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Available Regulators in STPMIC1 device are: |
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- buck1 for Buck BUCK1 |
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- buck2 for Buck BUCK2 |
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- buck3 for Buck BUCK3 |
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- buck4 for Buck BUCK4 |
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- ldo1 for LDO LDO1 |
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- ldo2 for LDO LDO2 |
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- ldo3 for LDO LDO3 |
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- ldo4 for LDO LDO4 |
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- ldo5 for LDO LDO5 |
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- ldo6 for LDO LDO6 |
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- vref_ddr for LDO Vref DDR |
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- boost for Buck BOOST |
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- pwr_sw1 for VBUS_OTG switch |
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- pwr_sw2 for SW_OUT switch |
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Switches are fixed voltage regulators with only enable/disable capability. |
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properties: |
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compatible: |
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const: st,stpmic1-regulators |
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ldo3: |
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type: object |
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properties: |
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interrupts: |
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maxItems: 1 |
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st,mask-reset: |
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description: mask reset for this regulator, the regulator configuration |
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is maintained during pmic reset. |
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$ref: /schemas/types.yaml#/definitions/flag |
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regulator-name: true |
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regulator-boot-on: true |
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regulator-always-on: true |
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regulator-min-microvolt: true |
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regulator-max-microvolt: true |
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regulator-allow-bypass: true |
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regulator-over-current-protection: true |
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additionalProperties: false |
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ldo4: |
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type: object |
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properties: |
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interrupts: |
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maxItems: 1 |
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st,mask-reset: |
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description: mask reset for this regulator, the regulator configuration |
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is maintained during pmic reset. |
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$ref: /schemas/types.yaml#/definitions/flag |
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regulator-name: true |
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regulator-boot-on: true |
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regulator-always-on: true |
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regulator-over-current-protection: true |
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additionalProperties: false |
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vref_ddr: |
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type: object |
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properties: |
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interrupts: |
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maxItems: 1 |
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st,mask-reset: |
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description: mask reset for this regulator, the regulator configuration |
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is maintained during pmic reset. |
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$ref: /schemas/types.yaml#/definitions/flag |
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regulator-name: true |
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regulator-boot-on: true |
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regulator-always-on: true |
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additionalProperties: false |
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boost: |
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type: object |
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properties: |
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interrupts: |
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maxItems: 1 |
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st,mask-reset: |
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description: mask reset for this regulator, the regulator configuration |
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is maintained during pmic reset. |
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$ref: /schemas/types.yaml#/definitions/flag |
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regulator-name: true |
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regulator-boot-on: true |
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regulator-always-on: true |
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regulator-over-current-protection: true |
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additionalProperties: false |
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patternProperties: |
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"^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])-supply$": |
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description: STPMIC1 voltage regulators supplies |
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"^(buck[1-4]|ldo[1-6]|boost|vref_ddr|pwr_sw[1-2])$": |
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$ref: ../regulator/regulator.yaml |
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"^ldo[1-2,5-6]$": |
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type: object |
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properties: |
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interrupts: |
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maxItems: 1 |
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st,mask-reset: |
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description: mask reset for this regulator, the regulator configuration |
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is maintained during pmic reset. |
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$ref: /schemas/types.yaml#/definitions/flag |
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regulator-name: true |
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regulator-boot-on: true |
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regulator-always-on: true |
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regulator-min-microvolt: true |
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regulator-max-microvolt: true |
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regulator-over-current-protection: true |
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regulator-enable-ramp-delay: true |
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additionalProperties: false |
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"^buck[1-4]$": |
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type: object |
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properties: |
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interrupts: |
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maxItems: 1 |
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st,mask-reset: |
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description: mask reset for this regulator, the regulator configuration |
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is maintained during pmic reset. |
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$ref: /schemas/types.yaml#/definitions/flag |
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regulator-name: true |
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regulator-boot-on: true |
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regulator-always-on: true |
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regulator-min-microvolt: true |
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regulator-max-microvolt: true |
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regulator-initial-mode: true |
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regulator-pull-down: true |
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regulator-over-current-protection: true |
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regulator-enable-ramp-delay: true |
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additionalProperties: false |
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"^pwr_sw[1-2]$": |
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type: object |
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properties: |
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interrupts: |
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maxItems: 1 |
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regulator-name: true |
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regulator-boot-on: true |
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regulator-always-on: true |
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regulator-over-current-protection: true |
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regulator-active-discharge: true |
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additionalProperties: false |
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required: |
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- compatible |
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additionalProperties: false |
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additionalProperties: false |
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required: |
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- compatible |
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- reg |
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- interrupts |
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- "#interrupt-cells" |
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- interrupt-controller |
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examples: |
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- | |
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#include <dt-bindings/mfd/st,stpmic1.h> |
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#include <dt-bindings/interrupt-controller/arm-gic.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@33 { |
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compatible = "st,stpmic1"; |
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reg = <0x33>; |
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interrupt-parent = <&gpioa>; |
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interrupts = <0 2>; |
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interrupt-controller; |
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#interrupt-cells = <2>; |
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onkey { |
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compatible = "st,stpmic1-onkey"; |
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interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>; |
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interrupt-names = "onkey-falling", "onkey-rising"; |
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power-off-time-sec = <10>; |
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}; |
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watchdog { |
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compatible = "st,stpmic1-wdt"; |
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}; |
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regulators { |
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compatible = "st,stpmic1-regulators"; |
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ldo6-supply = <&v3v3>; |
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buck1 { |
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regulator-name = "vdd_core"; |
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interrupts = <IT_CURLIM_BUCK1 0>; |
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st,mask-reset; |
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regulator-boot-on; |
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regulator-min-microvolt = <700000>; |
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regulator-max-microvolt = <1200000>; |
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}; |
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buck3 { |
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regulator-name = "vdd"; |
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regulator-min-microvolt = <3300000>; |
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regulator-max-microvolt = <3300000>; |
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regulator-boot-on; |
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regulator-pull-down; |
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}; |
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buck4 { |
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regulator-name = "v3v3"; |
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interrupts = <IT_CURLIM_BUCK4 0>; |
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regulator-min-microvolt = <3300000>; |
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regulator-max-microvolt = <3300000>; |
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}; |
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ldo6 { |
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regulator-name = "v1v8"; |
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regulator-min-microvolt = <1800000>; |
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regulator-max-microvolt = <1800000>; |
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regulator-over-current-protection; |
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}; |
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}; |
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}; |
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}; |
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...
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