228 lines
4.8 KiB
YAML
228 lines
4.8 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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$id: http://devicetree.org/schemas/hwmon/national,lm90.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: LM90 series thermometer
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maintainers:
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- Jean Delvare <jdelvare@suse.com>
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- Guenter Roeck <linux@roeck-us.net>
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properties:
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compatible:
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enum:
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- adi,adm1032
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- adi,adt7461
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- adi,adt7461a
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- adi,adt7481
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- dallas,max6646
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- dallas,max6647
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- dallas,max6649
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- dallas,max6657
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- dallas,max6658
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- dallas,max6659
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- dallas,max6680
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- dallas,max6681
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- dallas,max6695
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- dallas,max6696
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- gmt,g781
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- national,lm86
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- national,lm89
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- national,lm90
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- national,lm99
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- nxp,sa56004
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- onnn,nct1008
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- ti,tmp451
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- ti,tmp461
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- winbond,w83l771
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interrupts:
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items:
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- description: |
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Single interrupt specifier which describes the LM90 "-ALERT" pin
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output.
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reg:
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maxItems: 1
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"#thermal-sensor-cells":
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const: 1
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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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vcc-supply:
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description: phandle to the regulator that provides the +VCC supply
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ti,extended-range-enable:
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description: Set to enable extended range temperature.
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type: boolean
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required:
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- compatible
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- reg
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patternProperties:
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"^channel@([0-2])$":
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type: object
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description: Represents channels of the device and their specific configuration.
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properties:
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reg:
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description: The channel number. 0 is local channel, 1-2 are remote channels.
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items:
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minimum: 0
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maximum: 2
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label:
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description: A descriptive name for this channel, like "ambient" or "psu".
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temperature-offset-millicelsius:
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description: Temperature offset to be added to or subtracted from remote temperature measurements.
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required:
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- reg
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additionalProperties: false
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allOf:
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- if:
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not:
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properties:
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compatible:
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contains:
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enum:
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- adi,adt7461
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- adi,adt7461a
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- adi,adt7481
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- ti,tmp451
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- ti,tmp461
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then:
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properties:
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ti,extended-range-enable: false
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- if:
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properties:
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compatible:
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contains:
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enum:
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- dallas,max6646
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- dallas,max6647
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- dallas,max6649
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- dallas,max6657
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- dallas,max6658
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- dallas,max6659
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- dallas,max6695
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- dallas,max6696
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then:
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patternProperties:
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"^channel@([0-2])$":
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properties:
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temperature-offset-millicelsius: false
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- if:
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properties:
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compatible:
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contains:
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enum:
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- adi,adt7461
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- adi,adt7461a
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- adi,adt7481
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- onnn,nct1008
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then:
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patternProperties:
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"^channel@([0-2])$":
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properties:
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temperature-offset-millicelsius:
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maximum: 127750
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- if:
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properties:
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compatible:
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contains:
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enum:
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- adi,adm1032
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- dallas,max6680
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- dallas,max6681
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- gmt,g781
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- national,lm86
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- national,lm89
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- national,lm90
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- national,lm99
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- nxp,sa56004
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- winbond,w83l771
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then:
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patternProperties:
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"^channel@([0-2])$":
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properties:
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temperature-offset-millicelsius:
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maximum: 127875
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- if:
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properties:
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compatible:
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contains:
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enum:
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- ti,tmp451
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- ti,tmp461
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then:
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patternProperties:
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"^channel@([0-2])$":
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properties:
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temperature-offset-millicelsius:
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maximum: 127937
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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sensor@4c {
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compatible = "onnn,nct1008";
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reg = <0x4c>;
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vcc-supply = <&palmas_ldo6_reg>;
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interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
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#thermal-sensor-cells = <1>;
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};
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};
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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sensor@4c {
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compatible = "adi,adt7481";
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reg = <0x4c>;
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#address-cells = <1>;
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#size-cells = <0>;
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channel@0 {
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reg = <0x0>;
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label = "local";
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};
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channel@1 {
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reg = <0x1>;
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label = "front";
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temperature-offset-millicelsius = <4000>;
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};
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channel@2 {
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reg = <0x2>;
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label = "back";
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temperature-offset-millicelsius = <750>;
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};
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};
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};
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