0001 # SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/hwmon/national,lm90.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: LM90 series thermometer
0008
0009 maintainers:
0010 - Jean Delvare <jdelvare@suse.com>
0011 - Guenter Roeck <linux@roeck-us.net>
0012
0013 properties:
0014 compatible:
0015 enum:
0016 - adi,adm1032
0017 - adi,adt7461
0018 - adi,adt7461a
0019 - adi,adt7481
0020 - dallas,max6646
0021 - dallas,max6647
0022 - dallas,max6649
0023 - dallas,max6657
0024 - dallas,max6658
0025 - dallas,max6659
0026 - dallas,max6680
0027 - dallas,max6681
0028 - dallas,max6695
0029 - dallas,max6696
0030 - gmt,g781
0031 - national,lm86
0032 - national,lm89
0033 - national,lm90
0034 - national,lm99
0035 - nxp,sa56004
0036 - onnn,nct1008
0037 - ti,tmp451
0038 - ti,tmp461
0039 - winbond,w83l771
0040
0041
0042 interrupts:
0043 items:
0044 - description: |
0045 Single interrupt specifier which describes the LM90 "-ALERT" pin
0046 output.
0047
0048 reg:
0049 maxItems: 1
0050
0051 "#thermal-sensor-cells":
0052 const: 1
0053
0054 '#address-cells':
0055 const: 1
0056
0057 '#size-cells':
0058 const: 0
0059
0060 vcc-supply:
0061 description: phandle to the regulator that provides the +VCC supply
0062
0063 ti,extended-range-enable:
0064 description: Set to enable extended range temperature.
0065 type: boolean
0066
0067 required:
0068 - compatible
0069 - reg
0070
0071 patternProperties:
0072 "^channel@([0-2])$":
0073 type: object
0074 description: Represents channels of the device and their specific configuration.
0075
0076 properties:
0077 reg:
0078 description: The channel number. 0 is local channel, 1-2 are remote channels.
0079 items:
0080 minimum: 0
0081 maximum: 2
0082
0083 label:
0084 description: A descriptive name for this channel, like "ambient" or "psu".
0085
0086 temperature-offset-millicelsius:
0087 description: Temperature offset to be added to or subtracted from remote temperature measurements.
0088
0089 required:
0090 - reg
0091
0092 additionalProperties: false
0093
0094 allOf:
0095 - if:
0096 not:
0097 properties:
0098 compatible:
0099 contains:
0100 enum:
0101 - adi,adt7461
0102 - adi,adt7461a
0103 - adi,adt7481
0104 - ti,tmp451
0105 - ti,tmp461
0106 then:
0107 properties:
0108 ti,extended-range-enable: false
0109
0110 - if:
0111 properties:
0112 compatible:
0113 contains:
0114 enum:
0115 - dallas,max6646
0116 - dallas,max6647
0117 - dallas,max6649
0118 - dallas,max6657
0119 - dallas,max6658
0120 - dallas,max6659
0121 - dallas,max6695
0122 - dallas,max6696
0123 then:
0124 patternProperties:
0125 "^channel@([0-2])$":
0126 properties:
0127 temperature-offset-millicelsius: false
0128
0129 - if:
0130 properties:
0131 compatible:
0132 contains:
0133 enum:
0134 - adi,adt7461
0135 - adi,adt7461a
0136 - adi,adt7481
0137 - onnn,nct1008
0138 then:
0139 patternProperties:
0140 "^channel@([0-2])$":
0141 properties:
0142 temperature-offset-millicelsius:
0143 maximum: 127750
0144
0145 - if:
0146 properties:
0147 compatible:
0148 contains:
0149 enum:
0150 - adi,adm1032
0151 - dallas,max6680
0152 - dallas,max6681
0153 - gmt,g781
0154 - national,lm86
0155 - national,lm89
0156 - national,lm90
0157 - national,lm99
0158 - nxp,sa56004
0159 - winbond,w83l771
0160 then:
0161 patternProperties:
0162 "^channel@([0-2])$":
0163 properties:
0164 temperature-offset-millicelsius:
0165 maximum: 127875
0166
0167 - if:
0168 properties:
0169 compatible:
0170 contains:
0171 enum:
0172 - ti,tmp451
0173 - ti,tmp461
0174 then:
0175 patternProperties:
0176 "^channel@([0-2])$":
0177 properties:
0178 temperature-offset-millicelsius:
0179 maximum: 127937
0180
0181 additionalProperties: false
0182
0183 examples:
0184 - |
0185 #include <dt-bindings/interrupt-controller/irq.h>
0186
0187 i2c {
0188 #address-cells = <1>;
0189 #size-cells = <0>;
0190
0191 sensor@4c {
0192 compatible = "onnn,nct1008";
0193 reg = <0x4c>;
0194 vcc-supply = <&palmas_ldo6_reg>;
0195 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
0196 #thermal-sensor-cells = <1>;
0197 };
0198 };
0199 - |
0200 i2c {
0201 #address-cells = <1>;
0202 #size-cells = <0>;
0203
0204 sensor@4c {
0205 compatible = "adi,adt7481";
0206 reg = <0x4c>;
0207 #address-cells = <1>;
0208 #size-cells = <0>;
0209
0210 channel@0 {
0211 reg = <0x0>;
0212 label = "local";
0213 };
0214
0215 channel@1 {
0216 reg = <0x1>;
0217 label = "front";
0218 temperature-offset-millicelsius = <4000>;
0219 };
0220
0221 channel@2 {
0222 reg = <0x2>;
0223 label = "back";
0224 temperature-offset-millicelsius = <750>;
0225 };
0226 };
0227 };
