Commit 51369c0f authored by Krzysztof Adamski's avatar Krzysztof Adamski Committed by Guenter Roeck
Browse files

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: default avatarKrzysztof Adamski <krzysztof.adamski@nokia.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/d1721a50efc0f88728614b5b07c0d9332ae4971c.1634206677.git.krzysztof.adamski@nokia.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 3e4dd2e8

Documentation/devicetree/bindings/hwmon/ti,tmp421.yaml

+67 −0
Original line number Diff line number Diff line
@@ -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";

        };

      };

    };