On 12/11/20 1:54 PM, Kun Yi wrote: > Document device tree bindings for AMD SB-TSI emulated temperature > sensor. > > Signed-off-by: Kun Yi <kunyi@xxxxxxxxxx> Any reason for dropping Rob's Reviewed-by: tag ? Guenter > --- > .../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@xxxxxxxxxx> > + - Supreeth Venkatesh <supreeth.venkatesh@xxxxxxx> > + > +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@4c { > + compatible = "amd,sbtsi"; > + reg = <0x4c>; > + }; > + }; > +... >
