Add DT bindings for the Energy Model information. Signed-off-by: Lukasz Luba <lukasz.luba@xxxxxxx> --- .../bindings/power/energy-model.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/energy-model.yaml diff --git a/Documentation/devicetree/bindings/power/energy-model.yaml b/Documentation/devicetree/bindings/power/energy-model.yaml new file mode 100644 index 000000000000..804a9b324925 --- /dev/null +++ b/Documentation/devicetree/bindings/power/energy-model.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/energy-model.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Energy Model Bindings + +maintainers: + - Lukasz Luba <lukasz.luba@xxxxxxx> + +description: |+ + Devices work at specific performance states (frequencies). The power which + is used at a given performance state is an important information. A framework + which maintains this information is Energy Model. This document defines + bindings for these Energy Model performance states applicable across wide + range of devices. For illustration purpose, this document uses GPU as a device. + + This binding only supports frequency-power pairs. + +select: true + +properties: + operating-points: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + items: + items: + - description: Frequency in kHz + - description: Power in uW + + +additionalProperties: true +examples: + { + gpu_energy_model: energy-model { + compatible = "energy-model"; + energy-model-entries = < + 200000 300000 + 297000 500000 + 400000 800000 + 500000 1400000 + 600000 2000000 + 800000 2800000 + >; + }; + }; + + &gpu { + energy-model = <&gpu_energy_model>; + }; +... -- 2.17.1
