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[2.99.112.229]) by smtp.gmail.com with ESMTPSA id x15-20020adfcc0f000000b0032330e43590sm10226848wrh.22.2023.09.29.09.16.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Sep 2023 09:16:49 -0700 (PDT) From: Caleb Connolly Date: Fri, 29 Sep 2023 17:16:18 +0100 Subject: [PATCH 2/4] dt-bindings: thermal: Add qcom,qmi-cooling yaml bindings MIME-Version: 1.0 Message-Id: <20230905-caleb-qmi_cooling-v1-2-5aa39d4164a7@linaro.org> References: <20230905-caleb-qmi_cooling-v1-0-5aa39d4164a7@linaro.org> In-Reply-To: <20230905-caleb-qmi_cooling-v1-0-5aa39d4164a7@linaro.org> To: Andy Gross , Bhupesh Sharma , Bjorn Andersson , Konrad Dybcio , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Sibi Sankar , Manivannan Sadhasivam , Thara Gopinath Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Caleb Connolly X-Mailer: b4 0.13-dev-46309 X-Developer-Signature: v=1; a=openpgp-sha256; l=6892; i=caleb.connolly@linaro.org; h=from:subject:message-id; bh=zW3HWrMT85pnatyJIPEtqsqc6tm+j8grjbjQ5daBbLc=; b=owGbwMvMwCFYaeA6f6eBkTjjabUkhlSxH3n8/Dnpsxq25YX+tV/74oXvzm8P4mukVFu0KyW/O Ld95tfsKGVhEORgkBVTZBE/scyyae1le43tCy7AzGFlAhnCwMUpABMxsGT4K9DGYOn04evGZQ/v 2LXxsZQWBb9dxilYvuibj4OcCrvESUaG5vTa0tDtN7Ty+vqa9n5fE8uz7tBEQ8+pe2/MepTGf+j UGQA= X-Developer-Key: i=caleb.connolly@linaro.org; a=openpgp; fpr=83B24DA7FE145076BC38BB250CD904EB673A7C47 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The cooling subnode of a remoteproc represents a client of the Thermal Mitigation Device QMI service running on it. Each subnode of the cooling node represents a single control exposed by the service. Signed-off-by: Caleb Connolly --- .../bindings/remoteproc/qcom,msm8996-mss-pil.yaml | 13 ++ .../bindings/remoteproc/qcom,pas-common.yaml | 6 + .../bindings/thermal/qcom,qmi-cooling.yaml | 168 +++++++++++++++++++++ 3 files changed, 187 insertions(+) diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml index 0643faae2c39..9d0398764a31 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml @@ -145,6 +145,12 @@ properties: and devices related to the Modem. unevaluatedProperties: false + cooling: + $ref: /schemas/thermal/qcom,qmi-cooling.yaml# + description: + Cooling subnode which represents the cooling devices exposed by the Modem. + unevaluatedProperties: false + # Deprecated properties mba: type: object @@ -386,6 +392,13 @@ examples: qcom,smem-states = <&modem_smp2p_out 0>; qcom,smem-state-names = "stop"; + cooling { + vdd { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; + glink-edge { interrupts = ; label = "modem"; diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,pas-common.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,pas-common.yaml index 63a82e7a8bf8..bbc82253f76b 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,pas-common.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,pas-common.yaml @@ -77,6 +77,12 @@ properties: and devices related to the ADSP. unevaluatedProperties: false + cooling: + $ref: /schemas/thermal/qcom,qmi-cooling.yaml# + description: + Cooling subnode which represents the cooling devices exposed by the Modem. + unevaluatedProperties: false + required: - clocks - clock-names diff --git a/Documentation/devicetree/bindings/thermal/qcom,qmi-cooling.yaml b/Documentation/devicetree/bindings/thermal/qcom,qmi-cooling.yaml new file mode 100644 index 000000000000..65b1c7b40c1d --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom,qmi-cooling.yaml @@ -0,0 +1,168 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 (c), Linaro Limited + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/qcom,qmi-cooling.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm QMI based thermal mitigation (TMD) cooling devices. + +maintainers: + - Caleb Connolly + +description: + Qualcomm QMI based TMD cooling device(s) are used for various mitigations for + remote subsystem(s) including remote processor mitigation, rail voltage + restriction etc. Some devices such as "cpuv_restriction_cold" are for warming, + (e.g. by raising minimum voltage on core system rails). + + Each subnode represents a control for a single instance of the TMD service running + on a remote subsystem. + +definitions: + tmd: + type: object + description: | + A single Thermal Mitigation Device exposed by a remote subsystem. + properties: + label: + maxItems: 1 + "#cooling-cells": + $ref: /schemas/thermal/thermal-cooling-devices.yaml#/properties/#cooling-cells + + required: + - label + - "#cooling-cells" + + additionalProperties: false + +properties: + compatible: + enum: + - qcom,qmi-cooling-modem + - qcom,qmi-cooling-adsp + - qcom,qmi-cooling-cdsp + - qcom,qmi-cooling-slpi + + vdd: + $ref: "#/definitions/tmd" + description: + Restrict primary rail minimum voltage to "nominal" setting. + properties: + label: + const: cpuv_restriction_cold + +required: + - compatible + - vdd + +# Modem has additional TMDs +allOf: + - if: + properties: + compatible: + contains: + const: qcom,qmi-cooling-modem + then: + properties: + pa: + $ref: "#/definitions/tmd" + description: + Power Amplifier TMD + properties: + label: + const: pa + + proc: + $ref: "#/definitions/tmd" + description: + Modem processor temperature TMD + properties: + label: + const: modem + + current: + $ref: "#/definitions/tmd" + description: + Modem peak current TMD + properties: + label: + const: modem_current + + skin: + $ref: "#/definitions/tmd" + description: + Modem skin temperature TMD + properties: + label: + const: modem_skin + +unevaluatedProperties: false + +examples: + - | + remoteproc-modem { + cooling { + compatible = "qcom,qmi-cooling-modem"; + + modem_pa: pa { + label = "pa"; + #cooling-cells = <2>; + }; + + modem_proc: proc { + label = "modem"; + #cooling-cells = <2>; + }; + + modem_current: current { + label = "modem_current"; + #cooling-cells = <2>; + }; + + modem_skin: skin { + label = "modem_skin"; + #cooling-cells = <2>; + }; + + modem_vdd: vdd { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; + }; + + remoteproc-adsp { + cooling { + compatible = "qcom,qmi-cooling-adsp"; + + adsp_vdd: vdd { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; + }; + + remoteproc-cdsp { + cooling { + compatible = "qcom,qmi-cooling-cdsp"; + + cdsp_vdd: vdd { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; + }; + + remoteproc-slpi { + cooling { + compatible = "qcom,qmi-cooling-slpi"; + + slpi_vdd: vdd { + label = "cpuv_restriction_cold"; + #cooling-cells = <2>; + }; + }; + }; +...