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[178.235.179.206]) by smtp.gmail.com with ESMTPSA id x22-20020a170906135600b00a235f3b8259sm254654ejb.186.2023.12.20.14.12.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Dec 2023 14:12:58 -0800 (PST) From: Konrad Dybcio Date: Wed, 20 Dec 2023 23:12:54 +0100 Subject: [PATCH RFT v2 1/3] arm64: dts: qcom: sc8280xp: Add lower cluster idle states Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20230619-topic-sc8280xp-idle-v2-1-cde50bf02f3c@linaro.org> References: <20230619-topic-sc8280xp-idle-v2-0-cde50bf02f3c@linaro.org> In-Reply-To: <20230619-topic-sc8280xp-idle-v2-0-cde50bf02f3c@linaro.org> To: Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Johan Hovold Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Krzysztof Kozlowski , Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1703110375; l=1697; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=JjG1dfCZcMMBaOd+NpvseWTXSJQeolxAsWRg/zSEauw=; b=fNvoy8VUX06ZR/89piYsrqsxZDd9/vblFAD1lS1fiyyeTkkxj2kihoijzFB1il2WOsKSY+dVx NOYxHqMdkEKCIntWIvRiDLojaxRGCk6XTS+nb2TjIRxQaeTy6QANkkI X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Apart from a total LLCC + APSS power collapse, SC8280XP can also put either the DSU rail (CPU + L3), or VDD_CX in power collapse. Add support for these lower idle states to allow more flexibility. Signed-off-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index febf28356ff8..ca56bbac4353 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -286,7 +286,23 @@ BIG_CPU_SLEEP_0: cpu-sleep-1-0 { }; domain-idle-states { - CLUSTER_SLEEP_0: cluster-sleep-0 { + CLUSTER_SLEEP_APSS_OFF: cluster-sleep-0 { + compatible = "domain-idle-state"; + arm,psci-suspend-param = <0x41000044>; + entry-latency-us = <2752>; + exit-latency-us = <3048>; + min-residency-us = <6118>; + }; + + CLUSTER_SLEEP_CX_OFF: cluster-sleep-1 { + compatible = "domain-idle-state"; + arm,psci-suspend-param = <0x41002344>; + entry-latency-us = <3263>; + exit-latency-us = <4562>; + min-residency-us = <8467>; + }; + + CLUSTER_SLEEP_AOSS_SLEEP: cluster-sleep-2 { compatible = "domain-idle-state"; arm,psci-suspend-param = <0x4100c344>; entry-latency-us = <3263>; @@ -634,7 +650,7 @@ CPU_PD7: power-domain-cpu7 { CLUSTER_PD: power-domain-cpu-cluster0 { #power-domain-cells = <0>; - domain-idle-states = <&CLUSTER_SLEEP_0>; + domain-idle-states = <&CLUSTER_SLEEP_APSS_OFF &CLUSTER_SLEEP_CX_OFF &CLUSTER_SLEEP_AOSS_SLEEP>; }; };