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|
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwmon/national,lm90.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: LM90 series thermometer
maintainers:
- Jean Delvare <jdelvare@suse.com>
- Guenter Roeck <linux@roeck-us.net>
properties:
compatible:
enum:
- adi,adm1032
- adi,adt7461
- adi,adt7461a
- adi,adt7481
- dallas,max6646
- dallas,max6647
- dallas,max6649
- dallas,max6657
- dallas,max6658
- dallas,max6659
- dallas,max6680
- dallas,max6681
- dallas,max6695
- dallas,max6696
- gmt,g781
- national,lm86
- national,lm89
- national,lm90
- national,lm99
- nxp,sa56004
- onnn,nct1008
- ti,tmp451
- ti,tmp461
- winbond,w83l771
interrupts:
items:
- description: |
Single interrupt specifier which describes the LM90 "-ALERT" pin
output.
reg:
maxItems: 1
"#thermal-sensor-cells":
const: 1
'#address-cells':
const: 1
'#size-cells':
const: 0
vcc-supply:
description: phandle to the regulator that provides the +VCC supply
ti,extended-range-enable:
description: Set to enable extended range temperature.
type: boolean
required:
- compatible
- reg
patternProperties:
"^channel@([0-2])$":
type: object
description: Represents channels of the device and their specific configuration.
properties:
reg:
description: The channel number. 0 is local channel, 1-2 are remote channels.
items:
minimum: 0
maximum: 2
label:
description: A descriptive name for this channel, like "ambient" or "psu".
temperature-offset-millicelsius:
description: Temperature offset to be added to or subtracted from remote temperature measurements.
required:
- reg
additionalProperties: false
allOf:
- if:
not:
properties:
compatible:
contains:
enum:
- adi,adt7461
- adi,adt7461a
- adi,adt7481
- ti,tmp451
- ti,tmp461
then:
properties:
ti,extended-range-enable: false
- if:
properties:
compatible:
contains:
enum:
- dallas,max6646
- dallas,max6647
- dallas,max6649
- dallas,max6657
- dallas,max6658
- dallas,max6659
- dallas,max6695
- dallas,max6696
then:
patternProperties:
"^channel@([0-2])$":
properties:
temperature-offset-millicelsius: false
- if:
properties:
compatible:
contains:
enum:
- adi,adt7461
- adi,adt7461a
- adi,adt7481
- onnn,nct1008
then:
patternProperties:
"^channel@([0-2])$":
properties:
temperature-offset-millicelsius:
maximum: 127750
- if:
properties:
compatible:
contains:
enum:
- adi,adm1032
- dallas,max6680
- dallas,max6681
- gmt,g781
- national,lm86
- national,lm89
- national,lm90
- national,lm99
- nxp,sa56004
- winbond,w83l771
then:
patternProperties:
"^channel@([0-2])$":
properties:
temperature-offset-millicelsius:
maximum: 127875
- if:
properties:
compatible:
contains:
enum:
- ti,tmp451
- ti,tmp461
then:
patternProperties:
"^channel@([0-2])$":
properties:
temperature-offset-millicelsius:
maximum: 127937
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
sensor@4c {
compatible = "onnn,nct1008";
reg = <0x4c>;
vcc-supply = <&palmas_ldo6_reg>;
interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
#thermal-sensor-cells = <1>;
};
};
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
sensor@4c {
compatible = "adi,adt7481";
reg = <0x4c>;
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0x0>;
label = "local";
};
channel@1 {
reg = <0x1>;
label = "front";
temperature-offset-millicelsius = <4000>;
};
channel@2 {
reg = <0x2>;
label = "back";
temperature-offset-millicelsius = <750>;
};
};
};
|
