523 lines
13 KiB
YAML
523 lines
13 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mfd/stericsson,ab8500.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ST-Ericsson Analog Baseband AB8500 and AB8505
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maintainers:
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- Linus Walleij <linus.walleij@linaro.org>
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description:
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the AB8500 "Analog Baseband" is the mixed-signals integrated circuit
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handling power management (regulators), analog-to-digital conversion
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(ADC), battery charging, fuel gauging of the battery, battery-backed
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RTC, PWM, USB PHY and some GPIO lines in the ST-Ericsson U8500 platforms
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in connection with the DB8500 digital baseband. The DB8500 PRCMU
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communicates directly and autonomously with the AB8500 and thus it
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appears as a subnode of the DB8500 PRCMU. An altered version called
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AB8505 also exist, the difference in AB8505 is that some of the USB and
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USB charging handling has changed, and it has an embedded USB-to-serial
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converter. Most subblocks takes their interrupts directly from the
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AB8500 embedded interrupt controller.
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properties:
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$nodename:
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pattern: '^ab850[05]$'
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compatible:
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enum:
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- stericsson,ab8500
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- stericsson,ab8505
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interrupts:
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maxItems: 1
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interrupt-controller: true
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'#interrupt-cells':
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const: 2
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# Some subnodes use a reg, some don't. Those that do use a single cell.
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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clock-controller:
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description: Node describing the AB8500 clock controller. This
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provides the reference clock for the entire U8500 system and
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the DB8500 counterpart.
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type: object
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additionalProperties: false
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properties:
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compatible:
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const: stericsson,ab8500-clk
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'#clock-cells':
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const: 1
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gpio:
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description: Node describing the AB8500 GPIO controller. A few
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GPIO pins available for misc usage.
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type: object
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additionalProperties: false
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properties:
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compatible:
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enum:
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- stericsson,ab8500-gpio
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- stericsson,ab8505-gpio
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gpio-controller: true
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'#gpio-cells':
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const: 2
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rtc:
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description: Node describing the AB8500 battery-backed RTC.
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type: object
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additionalProperties: false
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properties:
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compatible:
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const: stericsson,ab8500-rtc
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interrupts:
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items:
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- description: 60 second interval alarm interrupt
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- description: RTC alarm
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interrupt-names:
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items:
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- const: 60S
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- const: ALARM
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adc:
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description: Node describing the AB8500 general purpose analog to digital
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converter, GPADC.
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type: object
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properties:
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compatible:
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const: stericsson,ab8500-gpadc
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# AB8505 only supports one (software) EOC interrupt
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interrupts:
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minItems: 1
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maxItems: 2
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interrupt-names: true
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vddadc-supply: true
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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'#io-channel-cells':
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const: 1
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patternProperties:
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"^channel@[0-9a-f]+$":
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type: object
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$ref: ../iio/adc/adc.yaml#
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description: Represents each of the external channels which are
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connected to the ADC.
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properties:
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reg:
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items:
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minimum: 1
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maximum: 31
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required:
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- reg
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additionalProperties: false
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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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- vddadc-supply
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- '#address-cells'
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- '#size-cells'
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- '#io-channel-cells'
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additionalProperties: false
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thermal:
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description: Node describing the AB8500 thermal control block. All this block
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really does is to fire an interrupt when the die becomes 130 degrees Celsius
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in temperature.
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type: object
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properties:
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compatible:
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const: stericsson,abx500-temp
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interrupts:
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items:
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- description: Thermal warm warning interrupt
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interrupt-names:
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items:
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- const: ABX500_TEMP_WARM
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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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ab8500_fg:
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description: Node describing the AB8500 fuel gauge control block.
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type: object
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$ref: ../power/supply/stericsson,ab8500-fg.yaml
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ab8500_btemp:
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description: Node describing the AB8500 battery temperature control block.
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type: object
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$ref: ../power/supply/stericsson,ab8500-btemp.yaml
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ab8500_charger:
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description: Node describing the AB8500 battery charger control block.
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type: object
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$ref: ../power/supply/stericsson,ab8500-charger.yaml
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ab8500_chargalg:
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description: Node describing the AB8500 battery charger algorithm.
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type: object
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$ref: ../power/supply/stericsson,ab8500-chargalg.yaml
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phy:
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description: Node describing the AB8500 USB PHY control block.
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type: object
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properties:
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compatible:
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const: stericsson,ab8500-usb
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interrupts:
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items:
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- description: ID wakeup rising IRQ
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- description: ID wakeup falling IRQ
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- description: VBUS detection falling IRQ
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- description: VBUS detection rising IRQ
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- description: USB link status change IRQ
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- description: ADP probe plug IRQ
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- description: ADP probe unplug IRQ
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interrupt-names:
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items:
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- const: ID_WAKEUP_R
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- const: ID_WAKEUP_F
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- const: VBUS_DET_F
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- const: VBUS_DET_R
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- const: USB_LINK_STATUS
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- const: USB_ADP_PROBE_PLUG
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- const: USB_ADP_PROBE_UNPLUG
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vddulpivio18-supply: true
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v-ape-supply: true
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musb_1v8-supply: true
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clocks:
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items:
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- description: PRCMY system clock
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clock-names:
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items:
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- const: sysclk
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'#phy-cells':
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const: 0
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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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- vddulpivio18-supply
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- v-ape-supply
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- musb_1v8-supply
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- clocks
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- clock-names
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- '#phy-cells'
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additionalProperties: false
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key:
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description: Node describing the AB8500 power-on key control block.
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type: object
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properties:
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compatible:
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const: stericsson,ab8500-poweron-key
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interrupts:
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items:
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- description: ON key falling IRQ
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- description: ON key rising IRQ
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interrupt-names:
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items:
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- const: ONKEY_DBF
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- const: ONKEY_DBR
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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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ab8500-sysctrl:
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description: Node describing the AB8500 system control block.
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type: object
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properties:
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compatible:
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const: stericsson,ab8500-sysctrl
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required:
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- compatible
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additionalProperties: false
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codec:
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description: Node describing the AB8500 audio codec block.
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type: object
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properties:
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compatible:
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const: stericsson,ab8500-codec
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V-AUD-supply: true
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V-AMIC1-supply: true
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V-AMIC2-supply: true
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V-DMIC-supply: true
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clocks:
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items:
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- description: Audio system clock
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clock-names:
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items:
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- const: audioclk
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stericsson,earpeice-cmv:
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description: Earpeice voltage
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [ 950, 1100, 1270, 1580 ]
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required:
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- compatible
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additionalProperties: false
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regulator:
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description: Node describing the AB8500 internal regulators.
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type: object
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properties:
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compatible:
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enum:
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- stericsson,ab8500-regulator
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- stericsson,ab8505-regulator
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vin-supply:
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description: The regulator supplying all of the internal regulators
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with power.
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ab8500_ldo_aux1:
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description: The voltage for the auxilary LDO regulator 1
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_aux2:
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description: The voltage for the auxilary LDO regulator 2
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_aux3:
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description: The voltage for the auxilary LDO regulator 3
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_aux4:
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description: The voltage for the auxilary LDO regulator 4
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only present on AB8505
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_aux5:
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description: The voltage for the auxilary LDO regulator 5
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only present on AB8505
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_aux6:
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description: The voltage for the auxilary LDO regulator 6
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only present on AB8505
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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# There is never any AUX7 regulator which is confusing
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ab8500_ldo_aux8:
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description: The voltage for the auxilary LDO regulator 8
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only present on AB8505
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_intcore:
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description: The LDO regulator for the internal core voltage
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of the AB8500
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_adc:
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description: Analog power regulator for the analog to digital converter
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ADC, only present on AB8505
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_tvout:
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description: The voltage for the TV output regulator, incidentally
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this voltage is also used for other purposes such as measuring
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the temperature of the NTC thermistor on the battery.
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Only present on AB8500.
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_audio:
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description: The LDO regulator for the audio codec output
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_anamic1:
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description: The LDO regulator for the analog microphone 1
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_anamic2:
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description: The LDO regulator for the analog microphone 2
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_dmic:
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description: The LDO regulator for the digital microphone
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only present on AB8500
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ldo_ana:
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description: Analog power regulator for CSI and DSI interfaces,
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Camera Serial Interface CSI and Display Serial Interface DSI.
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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required:
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- compatible
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additionalProperties: false
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regulator-external:
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description: Node describing the AB8500 external regulators. This
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concerns the autonomous regulators VSMPS1, VSMPS2 and VSMPS3
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that are normally controlled by external electronics but also
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sometimes need to be explicitly controlled by software.
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type: object
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properties:
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compatible:
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const: stericsson,ab8500-ext-regulator
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ab8500_ext1:
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description: The voltage for the VSMPS1 external regulator
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ext2:
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description: The voltage for the VSMPS2 external regulator
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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ab8500_ext3:
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description: The voltage for the VSMPS3 external regulator
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type: object
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$ref: ../regulator/regulator.yaml#
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unevaluatedProperties: false
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required:
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- compatible
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additionalProperties: false
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patternProperties:
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"^pwm@[1-9]+?$":
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type: object
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$ref: ../pwm/pwm.yaml#
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unevaluatedProperties: false
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description: Represents each of the PWM blocks in the AB8500
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properties:
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compatible:
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const: stericsson,ab8500-pwm
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reg: true
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clocks:
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items:
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- description: internal clock
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clock-names:
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items:
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- const: intclk
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required:
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- compatible
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- reg
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required:
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- compatible
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- clock-controller
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- gpio
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- rtc
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- adc
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- thermal
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- ab8500_fg
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- ab8500_btemp
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- ab8500_charger
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- ab8500_chargalg
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- phy
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- key
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- regulator
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additionalProperties: false
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