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[83.9.31.150]) by smtp.gmail.com with ESMTPSA id d8-20020ac241c8000000b004f160559d4asm1508197lfi.183.2023.06.06.09.15.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 09:15:37 -0700 (PDT) From: Konrad Dybcio Date: Tue, 06 Jun 2023 18:15:28 +0200 Subject: [PATCH] arm64: dts: qcom: qcm2290: Add CPU idle states MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230606-topic-qcm2290_idlestates-v1-1-dd77eef0086e@linaro.org> X-B4-Tracking: v=1; b=H4sIAJ9bf2QC/x2NUQrCMBBEr1L224W41oBeRUSSdGsXYlqzUQqld 3fx883wZjZQrsIK126Dyl9RmYvB8dBBmkJ5MspgDOTo5Lzz2OZFEr7Ti+jiHjJk1hYaK56j1RT d2CcPpsegjLGGkiYbKJ+cLVwqj7L+/273ff8B9GGfQn8AAAA= To: Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1686068136; l=3232; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=mpM3TvARKVZf/Judx+8Gfrm0HsqhvtIO1689cde3IoQ=; b=OwAjVMp/BY+dJ4CzOFcuAV/14H/Ih5vqbWLvyxZEL4/GyjJTtRPPDnqzd71lTSyiCAlKLOkBV ATUt818LLNYDlHMrwBXC2IFd39FPui1Pd7BNNNm8Mu+hffnfdM31FD8 X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the (scarce) idle states for the individual CPUs, as well as the whole cluster. This enables deeper-than-WFI cpuidle Signed-off-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/qcm2290.dtsi | 61 +++++++++++++++++++++++++++++++= ++++ 1 file changed, 61 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qc= om/qcm2290.dtsi index b29bc4e4b837..a8a1ce58c0b7 100644 --- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi +++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi @@ -48,6 +48,8 @@ CPU0: cpu@0 { enable-method =3D "psci"; next-level-cache =3D <&L2_0>; qcom,freq-domain =3D <&cpufreq_hw 0>; + power-domains =3D <&CPU_PD0>; + power-domain-names =3D "psci"; L2_0: l2-cache { compatible =3D "cache"; cache-level =3D <2>; @@ -65,6 +67,8 @@ CPU1: cpu@1 { enable-method =3D "psci"; next-level-cache =3D <&L2_0>; qcom,freq-domain =3D <&cpufreq_hw 0>; + power-domains =3D <&CPU_PD1>; + power-domain-names =3D "psci"; }; =20 CPU2: cpu@2 { @@ -77,6 +81,8 @@ CPU2: cpu@2 { enable-method =3D "psci"; next-level-cache =3D <&L2_0>; qcom,freq-domain =3D <&cpufreq_hw 0>; + power-domains =3D <&CPU_PD2>; + power-domain-names =3D "psci"; }; =20 CPU3: cpu@3 { @@ -89,6 +95,8 @@ CPU3: cpu@3 { enable-method =3D "psci"; next-level-cache =3D <&L2_0>; qcom,freq-domain =3D <&cpufreq_hw 0>; + power-domains =3D <&CPU_PD3>; + power-domain-names =3D "psci"; }; =20 cpu-map { @@ -110,6 +118,30 @@ core3 { }; }; }; + + domain-idle-states { + CLUSTER_SLEEP: cluster-sleep-0 { + compatible =3D "domain-idle-state"; + arm,psci-suspend-param =3D <0x40000044>; + entry-latency-us =3D <800>; + exit-latency-us =3D <2118>; + min-residency-us =3D <7376>; + }; + }; + + idle-states { + entry-method =3D "psci"; + + CPU_SLEEP: cpu-sleep-0 { + compatible =3D "arm,idle-state"; + idle-state-name =3D "power-collapse"; + arm,psci-suspend-param =3D <0x40000003>; + entry-latency-us =3D <290>; + exit-latency-us =3D <376>; + min-residency-us =3D <1182>; + local-timer-stop; + }; + }; }; =20 firmware { @@ -135,6 +167,35 @@ pmu { psci { compatible =3D "arm,psci-1.0"; method =3D "smc"; + + CPU_PD0: power-domain-cpu0 { + #power-domain-cells =3D <0>; + power-domains =3D <&CLUSTER_PD>; + domain-idle-states =3D <&CPU_SLEEP>; + }; + + CPU_PD1: power-domain-cpu1 { + #power-domain-cells =3D <0>; + power-domains =3D <&CLUSTER_PD>; + domain-idle-states =3D <&CPU_SLEEP>; + }; + + CPU_PD2: power-domain-cpu2 { + #power-domain-cells =3D <0>; + power-domains =3D <&CLUSTER_PD>; + domain-idle-states =3D <&CPU_SLEEP>; + }; + + CPU_PD3: power-domain-cpu3 { + #power-domain-cells =3D <0>; + power-domains =3D <&CLUSTER_PD>; + domain-idle-states =3D <&CPU_SLEEP>; + }; + + CLUSTER_PD: power-domain-cpu-cluster { + #power-domain-cells =3D <0>; + domain-idle-states =3D <&CLUSTER_SLEEP>; + }; }; =20 reserved_memory: reserved-memory { --- base-commit: 6db29e14f4fb7bce9eb5290288e71b05c2b0d118 change-id: 20230606-topic-qcm2290_idlestates-5b6062b0f4c6 Best regards, --=20 Konrad Dybcio