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[93.34.89.61]) by smtp.googlemail.com with ESMTPSA id g12-20020a05600c310c00b003db012d49b7sm11353115wmo.2.2023.01.26.07.00.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Jan 2023 07:00:33 -0800 (PST) From: Christian Marangi To: Ilia Lin , Andy Gross , Bjorn Andersson , Konrad Dybcio , "Rafael J. Wysocki" , Viresh Kumar , Rob Herring , Krzysztof Kozlowski , Nishanth Menon , Stephen Boyd , Yassine Oudjana , linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Christian Marangi Subject: [PATCH v4 1/3] dt-bindings: cpufreq: qcom-cpufreq-nvmem: make cpr bindings optional Date: Thu, 26 Jan 2023 16:00:24 +0100 Message-Id: <20230126150026.14590-1-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1755745819685433157?= X-GMAIL-MSGID: =?utf-8?q?1756098365220536846?= The qcom-cpufreq-nvmem driver supports 2 kind of devices: - pre-cpr that doesn't have power-domains and base everything on nvmem cells and multiple named microvolt bindings. Doesn't need required-opp binding in the opp nodes as they are only used for genpd based devices. - cpr-based that require power-domain in the cpu nodes and use various source to decide the correct voltage and freq Require required-opp binding since they need to be linked to the related opp-level. When the schema was introduced, it was wrongly set to always require these binding but this is not the case for pre-cpr devices. Make the power-domain and the required-opp optional and set them required only for qcs404 based devices. Fixes: ec24d1d55469 ("dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema") Signed-off-by: Christian Marangi --- Changes v4: - Explain why required-opp needs to be conditional - Split additional ref part Changesv3: - No change Changes v2: - Reword commit description - Fix condition order - Add allOf .../bindings/cpufreq/qcom-cpufreq-nvmem.yaml | 62 +++++++++++-------- 1 file changed, 37 insertions(+), 25 deletions(-) diff --git a/Documentation/devicetree/bindings/cpufreq/qcom-cpufreq-nvmem.yaml b/Documentation/devicetree/bindings/cpufreq/qcom-cpufreq-nvmem.yaml index 9c086eac6ca7..89e99a198281 100644 --- a/Documentation/devicetree/bindings/cpufreq/qcom-cpufreq-nvmem.yaml +++ b/Documentation/devicetree/bindings/cpufreq/qcom-cpufreq-nvmem.yaml @@ -17,6 +17,9 @@ description: | on the CPU OPP in use. The CPUFreq driver sets the CPR power domain level according to the required OPPs defined in the CPU OPP tables. + For old implementation efuses are parsed to select the correct opp table and + voltage and CPR is not supported/used. + select: properties: compatible: @@ -33,37 +36,46 @@ select: required: - compatible -properties: - cpus: - type: object +allOf: + - if: + properties: + compatible: + contains: + enum: + - qcom,qcs404 - patternProperties: - '^cpu@[0-9a-f]+$': - type: object + then: + properties: + cpus: + type: object - properties: - power-domains: - maxItems: 1 + patternProperties: + '^cpu@[0-9a-f]+$': + type: object - power-domain-names: - items: - - const: cpr + properties: + power-domains: + maxItems: 1 - required: - - power-domains - - power-domain-names + power-domain-names: + items: + - const: cpr + + required: + - power-domains + - power-domain-names -patternProperties: - '^opp-table(-[a-z0-9]+)?$': - if: - properties: - compatible: - const: operating-points-v2-kryo-cpu - then: patternProperties: - '^opp-?[0-9]+$': - required: - - required-opps + '^opp-table(-[a-z0-9]+)?$': + if: + properties: + compatible: + const: operating-points-v2-kryo-cpu + then: + patternProperties: + '^opp-?[0-9]+$': + required: + - required-opps additionalProperties: true