From f07691219cff2521e6eace2cb6d3e3d3c589b376 Mon Sep 17 00:00:00 2001 From: Slawomir Stepien Date: Wed, 25 May 2022 09:36:52 +0200 Subject: dt-bindings: hwmon: Allow specifying channels for lm90 Add binding description for temperature channels. Currently, support for label and temperature-offset-millicelsius is implemented. Signed-off-by: Slawomir Stepien Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20220525073657.573327-3-sst@poczta.fm Signed-off-by: Guenter Roeck --- .../devicetree/bindings/hwmon/national,lm90.yaml | 129 +++++++++++++++++++++ 1 file changed, 129 insertions(+) (limited to 'Documentation/devicetree/bindings/hwmon/national,lm90.yaml') diff --git a/Documentation/devicetree/bindings/hwmon/national,lm90.yaml b/Documentation/devicetree/bindings/hwmon/national,lm90.yaml index 82fce96498c7..e1719839faf0 100644 --- a/Documentation/devicetree/bindings/hwmon/national,lm90.yaml +++ b/Documentation/devicetree/bindings/hwmon/national,lm90.yaml @@ -51,6 +51,12 @@ properties: "#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 @@ -62,6 +68,29 @@ required: - compatible - reg +patternProperties: + "^channel@([0-2])$": + type: object + description: Represents channels of the device and their specific configuration. + + properties: + reg: + description: The channel number. 0 is local channel, 1-2 are remote channels. + items: + minimum: 0 + maximum: 2 + + label: + description: A descriptive name for this channel, like "ambient" or "psu". + + temperature-offset-millicelsius: + description: Temperature offset to be added to or subtracted from remote temperature measurements. + + required: + - reg + + additionalProperties: false + allOf: - if: not: @@ -78,6 +107,77 @@ allOf: properties: ti,extended-range-enable: false + - if: + properties: + compatible: + contains: + enum: + - dallas,max6646 + - dallas,max6647 + - dallas,max6649 + - dallas,max6657 + - dallas,max6658 + - dallas,max6659 + - dallas,max6695 + - dallas,max6696 + then: + patternProperties: + "^channel@([0-2])$": + 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: @@ -96,3 +196,32 @@ examples: #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>; + }; + }; + }; -- cgit v1.2.3