[PATCH linux dev-5.8 1/3] dt-bindings: (hwmon/sbtsi_temp) Add SB-TSI hwmon driver bindings

[Joel Stanley]

On Thu, 1 Apr 2021 at 18:41, Konstantin Aladyshev <aladyshev22 at gmail.com> wrote:
>
> From: Kun Yi <kunyi at google.com>
>
> Document device tree bindings for AMD SB-TSI emulated temperature
> sensor.

I've applied this series to dev-5.10.

(In the future, if you're sending more than one patch use a cover
letter - it helps group the patches)

Cheers,

Joel

>
> Signed-off-by: Kun Yi <kunyi at google.com>
> Link: https://lore.kernel.org/r/20201211215427.3281681-4-kunyi@google.com
> Reviewed-by: Rob Herring <robh at kernel.org>
> [groeck: Fixed subject]
> Signed-off-by: Guenter Roeck <linux at roeck-us.net>
> ---
>  .../devicetree/bindings/hwmon/amd,sbtsi.yaml  | 54 +++++++++++++++++++
>  1 file changed, 54 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/amd,sbtsi.yaml
>
> diff --git a/Documentation/devicetree/bindings/hwmon/amd,sbtsi.yaml b/Documentation/devicetree/bindings/hwmon/amd,sbtsi.yaml
> new file mode 100644
> index 000000000000..446b09f1ce94
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/amd,sbtsi.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/amd,sbtsi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: >
> +  Sideband interface Temperature Sensor Interface (SB-TSI) compliant
> +  AMD SoC temperature device
> +
> +maintainers:
> +  - Kun Yi <kunyi at google.com>
> +  - Supreeth Venkatesh <supreeth.venkatesh at amd.com>
> +
> +description: |
> +  SB Temperature Sensor Interface (SB-TSI) is an SMBus compatible
> +  interface that reports AMD SoC's Ttcl (normalized temperature),
> +  and resembles a typical 8-pin remote temperature sensor's I2C interface
> +  to BMC. The emulated thermal sensor can report temperatures in increments
> +  of 0.125 degrees, ranging from 0 to 255.875.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - amd,sbtsi
> +
> +  reg:
> +    maxItems: 1
> +    description: |
> +      I2C bus address of the device as specified in Section 6.3.1 of the
> +      SoC register reference. The SB-TSI address is normally 98h for socket
> +      0 and 90h for socket 1, but it could vary based on hardware address
> +      select pins.
> +      \[open source SoC register reference\]
> +        https://www.amd.com/system/files/TechDocs/56255_OSRR.pdf
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        sbtsi at 4c {
> +                compatible = "amd,sbtsi";
> +                reg = <0x4c>;
> +        };
> +    };
> +...
> --
> 2.25.1
>