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[83.9.31.242]) by smtp.gmail.com with ESMTPSA id c11-20020ac2530b000000b004b4cbc942a3sm4332824lfh.127.2023.06.19.09.18.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 09:18:56 -0700 (PDT) From: Konrad Dybcio Date: Mon, 19 Jun 2023 18:18:53 +0200 Subject: [PATCH RFT RFC 1/3] arm64: dts: qcom: sc8280xp: Add lower cluster idle states MIME-Version: 1.0 Message-Id: <20230619-topic-sc8280xp-idle-v1-1-35a8b98451d0@linaro.org> References: <20230619-topic-sc8280xp-idle-v1-0-35a8b98451d0@linaro.org> In-Reply-To: <20230619-topic-sc8280xp-idle-v1-0-35a8b98451d0@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=1687191534; l=1687; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=I32j7um6NhN2jAjxwWACUhCcYczpx9OD9HWlBlfpRFA=; b=0b8ZFniFCU6cYHplkHHxQukfuPUxlOA71hmCyW9OJIJTV0N9G95XNLtoemi1Laok9S1n5KQYx 7TeuLTjesYLCJCF7TTPje5T71FtuAuf+nhWM6124/SYTmHo6Zre/alh X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 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 ac0596dfdbc4..d524f851cb53 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -285,7 +285,23 @@ BIG_CPU_SLEEP_0: cpu-sleep-1-0 { }; domain-idle-states { - CLUSTER_SLEEP_0: cluster-sleep-0 { + CLUSTER_SLEEP_L3_PC: 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_APSS_OFF: cluster-sleep-2 { compatible = "domain-idle-state"; arm,psci-suspend-param = <0x4100c344>; entry-latency-us = <3263>; @@ -632,7 +648,7 @@ 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_L3_PC &CLUSTER_SLEEP_CX_OFF &CLUSTER_SLEEP_APSS_OFF>; }; };