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([2a02:810d:15c0:828:29dd:ded4:3ccc:83db]) by smtp.gmail.com with ESMTPSA id m24-20020a1709060d9800b0094eeab34ad5sm3038472eji.124.2023.04.16.01.51.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 16 Apr 2023 01:51:59 -0700 (PDT) Message-ID: Date: Sun, 16 Apr 2023 10:51:58 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH v3 1/2] dt-bindings: soc: qcom: Add RPM Master stats Content-Language: en-US To: Konrad Dybcio , Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230405-topic-master_stats-v3-0-2cb2ba4f2092@linaro.org> <20230405-topic-master_stats-v3-1-2cb2ba4f2092@linaro.org> From: Krzysztof Kozlowski In-Reply-To: <20230405-topic-master_stats-v3-1-2cb2ba4f2092@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14/04/2023 13:37, Konrad Dybcio wrote: > The RPM MSG RAM contains per-RPM-master (e.g. APPS, ADSP etc.) sleep > statistics. They let one assess which core is actively preventing the > system from entering a true low-power mode. > > Signed-off-by: Konrad Dybcio > --- > .../bindings/soc/qcom/qcom,rpm-master-stats.yaml | 53 ++++++++++++++++++++++ > 1 file changed, 53 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,rpm-master-stats.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,rpm-master-stats.yaml > new file mode 100644 > index 000000000000..d7e58cbd3344 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,rpm-master-stats.yaml > @@ -0,0 +1,53 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/soc/qcom/qcom,rpm-master-stats.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm Technologies, Inc. (QTI) RPM Master Stats > + > +maintainers: > + - Konrad Dybcio > + > +description: > + Per-RPM-Master (e.g. APSS, ADSP, etc.) sleep statistics. Explain what is RPM-Master and what do you mean by "sleep". > + > +properties: > + compatible: > + const: qcom,rpm-master-stats > + > + qcom,rpm-msg-ram: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: Phandle to an RPM MSG RAM slice containing the master stats > + minItems: 1 > + maxItems: 5 > + > + qcom,master-names: > + $ref: /schemas/types.yaml#/definitions/string-array > + description: RPM Master name There is a relation between this and qcom,rpm-msg-ram which you do not describe. It's not just RPM master name... Best regards, Krzysztof