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[93.34.89.13]) by smtp.googlemail.com with ESMTPSA id j11-20020a05600c42cb00b0040652e8ca13sm692074wme.43.2023.10.13.10.39.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Oct 2023 10:39:04 -0700 (PDT) From: Christian Marangi To: Ilia Lin , Andy Gross , Bjorn Andersson , Konrad Dybcio , "Rafael J. Wysocki" , Viresh Kumar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Stephen Boyd , Sricharan Ramabadhran , Christian Marangi , linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Rob Herring Subject: [PATCH v6 2/4] dt-bindings: opp: opp-v2-kryo-cpu: Document named opp-microvolt property Date: Fri, 13 Oct 2023 19:38:52 +0200 Message-Id: <20231013173854.7399-3-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231013173854.7399-1-ansuelsmth@gmail.com> References: <20231013173854.7399-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Document named opp-microvolt property for opp-v2-kryo-cpu schema. This property is used to declare multiple voltage ranges selected on the different values read from efuses. The selection is done based on the speed pvs values and the named opp-microvolt property is selected by the qcom-cpufreq-nvmem driver. Signed-off-by: Christian Marangi Reviewed-by: Rob Herring --- changes v6: * Rebase on top of dependant series * Fix example to use krait Changes v5: * Fix typo in opp items Changes v4: * Address comments from Rob (meaning of pvs, drop of driver specific info, drop of legacy single voltage OPP, better specify max regulators supported) --- .../bindings/opp/opp-v2-kryo-cpu.yaml | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml index 316f9c7804e4..fd04d060c1de 100644 --- a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml +++ b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml @@ -68,6 +68,12 @@ patternProperties: 6: MSM8996SG, speedbin 2 7-31: unused + Bitmap for IPQ806x SoC: + 0: IPQ8062 + 1: IPQ8064/IPQ8066/IPQ8068 + 2: IPQ8065/IPQ8069 + 3-31: unused + Other platforms use bits directly corresponding to speedbin index. clock-latency-ns: true @@ -262,6 +268,22 @@ examples: }; }; + /* Dummy opp table to give example for named opp-microvolt */ + opp-table-2 { + compatible = "operating-points-v2-krait-cpu"; + nvmem-cells = <&speedbin_efuse>; + + opp-384000000 { + opp-hz = /bits/ 64 <384000000>; + opp-microvolt-speed0-pvs0 = <1000000 950000 1050000>; + opp-microvolt-speed0-pvs1 = <925000 878750 971250>; + opp-microvolt-speed0-pvs2 = <875000 831250 918750>; + opp-microvolt-speed0-pvs3 = <800000 760000 840000>; + opp-supported-hw = <0x7>; + clock-latency-ns = <100000>; + }; + }; + smem { compatible = "qcom,smem"; memory-region = <&smem_mem>;