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Diffstat (limited to 'Documentation/devicetree/bindings/thermal/qcom,tmd-device.yaml')
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diff --git a/Documentation/devicetree/bindings/thermal/qcom,tmd-device.yaml b/Documentation/devicetree/bindings/thermal/qcom,tmd-device.yaml new file mode 100644 index 000000000000..38ac62f03376 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom,tmd-device.yaml @@ -0,0 +1,122 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/thermal/qcom,tmd-device.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm thermal mitigation (TMD) cooling devices + +maintainers: + - Bhupesh Sharma <bhupesh.sharma@linaro.org> + +description: + Qualcomm thermal mitigation (TMD) cooling devices. Each child node + represents one remote subsystem and each child of this subsystem in-turn + represents separate cooling devices. + +properties: + $nodename: + pattern: "^(modem|adsp|cdsp|slpi[0-9])?$" + + qcom,instance-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Remote subsystem QMI server instance id to be used for communicating with QMI. + +patternProperties: + "^tmd-device[0-9]?$": + type: object + description: + Subnodes indicating tmd cooling device of a specific category. + properties: + label: + maxItems: 1 + description: | + Remote subsystem device identifier. Acceptable device names - + "pa" -> for pa cooling device, + "cpuv_restriction_cold" -> for vdd restriction, + "cx_vdd_limit" -> for vdd limit, + "modem" -> for processor passive cooling device, + "modem_current" -> for current limiting device, + "modem_bw" -> for bus bandwidth limiting device, + "cpr_cold" -> for cpr restriction. + + "#cooling-cells": + const: 2 + + required: + - label + - "#cooling-cells" + + additionalProperties: false + +required: + - qcom,instance-id + +additionalProperties: false + +examples: + - | + #include <dt-bindings/thermal/qcom,tmd.h> + modem0 { + qcom,instance-id = <MODEM0_INSTANCE_ID>; + + modem0_pa: tmd-device0 { + label = "pa"; + #cooling-cells = <2>; + }; + + modem0_proc: tmd-device1 { + label = "modem"; + #cooling-cells = <2>; + }; + + modem0_current: tmd-device2 { + label = "modem_current"; + #cooling-cells = <2>; + }; + + modem0_skin: tmd-device3 { + label = "modem_skin"; + #cooling-cells = <2>; + }; + + modem0_vdd: tmd-device4 { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; + + - | + #include <dt-bindings/thermal/qcom,tmd.h> + adsp { + qcom,instance-id = <ADSP_INSTANCE_ID>; + + adsp_vdd: tmd-device1 { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; + + - | + #include <dt-bindings/thermal/qcom,tmd.h> + cdsp { + qcom,instance-id = <CDSP_INSTANCE_ID>; + + cdsp_vdd: tmd-device1 { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; + + - | + #include <dt-bindings/thermal/qcom,tmd.h> + slpi { + qcom,instance-id = <SLPI_INSTANCE_ID>; + + slpi_vdd: tmd-device1 { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; |