diff options
| author |   Krzysztof Adamski <krzysztof.adamski@nokia.com> | 2021-10-14 15:11:49 +0200 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2021-10-15 15:57:05 -0700 |
| commit | 51369c0f05347c1f4762cb05e9775e81eec04262 (patch) | |
| tree | aa2c9b4f7f6d76bec29bae58a9cb34e524539276 /Documentation/devicetree/bindings/hwmon | |
| parent | hwmon: (tmp421) ignore non-channel related DT nodes (diff) | |
| download | linux-dev-51369c0f05347c1f4762cb05e9775e81eec04262.tar.xz linux-dev-51369c0f05347c1f4762cb05e9775e81eec04262.zip | |
dt-bindings: hwmon: allow specifying channels for tmp421
Add binding description for the per temperature channel configuration
like labels and n-factor.
Signed-off-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/d1721a50efc0f88728614b5b07c0d9332ae4971c.1634206677.git.krzysztof.adamski@nokia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon')
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/ti,tmp421.yaml | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp421.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp421.yaml index 47040ace4f73..36f649938fb7 100644 --- a/Documentation/devicetree/bindings/hwmon/ti,tmp421.yaml +++ b/Documentation/devicetree/bindings/hwmon/ti,tmp421.yaml @@ -24,12 +24,50 @@ properties: reg: maxItems: 1 + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + required: - compatible - reg additionalProperties: false +patternProperties: + "^channel@([0-3])$": + type: object + description: | + Represents channels of the device and their specific configuration. + + properties: + reg: + description: | + The channel number. 0 is local channel, 1-3 are remote channels + items: + minimum: 0 + maximum: 3 + + label: + description: | + A descriptive name for this channel, like "ambient" or "psu". + + ti,n-factor: + description: | + The value (two's complement) to be programmed in the channel specific N correction register. + For remote channels only. + $ref: /schemas/types.yaml#/definitions/uint32 + items: + minimum: 0 + maximum: 255 + + required: + - reg + + additionalProperties: false + examples: - | i2c { @@ -41,3 +79,32 @@ examples: reg = <0x4c>; }; }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + sensor@4c { + compatible = "ti,tmp422"; + reg = <0x4c>; + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0x0>; + ti,n-factor = <0x1>; + label = "local"; + }; + + channel@1 { + reg = <0x1>; + ti,n-factor = <0x0>; + label = "somelabel"; + }; + + channel@2 { + reg = <0x2>; + status = "disabled"; + }; + }; + }; |