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[93.5.22.158]) by smtp.googlemail.com with ESMTPSA id 1-20020a05600c22c100b003eeb1d6a470sm3370171wmg.13.2023.03.31.10.55.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 10:55:45 -0700 (PDT) From: amergnat@baylibre.com Date: Fri, 31 Mar 2023 19:54:55 +0200 Subject: [PATCH v4 11/11] arm64: dts: mediatek: Add CPU Idle support MIME-Version: 1.0 Message-Id: <20230203-evk-board-support-v4-11-5cffe66a38c0@baylibre.com> References: <20230203-evk-board-support-v4-0-5cffe66a38c0@baylibre.com> In-Reply-To: <20230203-evk-board-support-v4-0-5cffe66a38c0@baylibre.com> To: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , AngeloGioacchino Del Regno , Chaotian Jing , Ulf Hansson , Wenbin Mei , Linus Walleij , Zhiyong Tao , =?utf-8?q?Bernhard_Rosenkr=C3=A4nz?= =?utf-8?q?er?= Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org, Alexandre Bailon , Fabien Parent , Amjad Ouled-Ameur , Alexandre Mergnat X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2689; i=amergnat@baylibre.com; h=from:subject:message-id; bh=tqYiFkOeI53hFAvkAFcO4mPwzuf3UCWBDqz4THM6QQc=; b=owEBbQKS/ZANAwAKAStGSZ1+MdRFAcsmYgBkJx6Uy5vEJZm9bUg+FYoCchCrD4sVjDezKQl7fMQT LecctqGJAjMEAAEKAB0WIQQjG17X8+qqcA5g/osrRkmdfjHURQUCZCcelAAKCRArRkmdfjHURRDED/ 9+Yr4rVHhNd8gakQ//OkIJ/wXjZWbTofuNrE3H5YG5ObUUKOBK9aFY9V0GWTjBkNogyLJZ8d982MtP o5tkFPqD66DfoB7LIF5H9zTXLfUdD/yh9lIiAJZ7iqi8zzA8M0UFzQG+fjBGylGO69wOrQ/vzGW5ZI aGRx7RTc7aNlaBKHyU3j00jC3iBYpeZchgew/cHkwPneffi54UKk0mSaFom47kWOtSQqnR7Mnvvksq tPANt5ApRcCFmFUikG1cJvuPwlb5Gxp13Al52OI90suco2XFBEfr2pXBZRQLwxKUNIR1tJ0UDme7aX gyvSgREhOIOyAGmY8geGSGNgutQcDVKeuOdYgDsDSJGJTZ/t0dhsvHxH3RjNaqNjCnQs68UTqhyX6H 1NxEyNoObSoOA6W6EmConT5n2bcNImo/08EXbiKXO43fMdrQ99L67ED9X83sN1Gma+v0S9Zt+R/0Ht 2y0ub9fKjls6wvvXVR6kDAYL+HKPGxDEqwVH+I92r5DECxY3ciOv72hciSIDf+QvWvKgD8kTbc5yXk BupBBwE3NUiddw8UK/6Mawp/bvHZ1+yaBTfGMMGx7UM0M2obwafsOcNX2fOnncDHwiZ+Xe2AKaX+o4 WuYt6zzj5cGUFPb1ndYjNN0rEFV/Lw+aR+86VOsHsZpKMyGJvQKHgSX0kHQA== X-Developer-Key: i=amergnat@baylibre.com; a=openpgp; fpr=231B5ED7F3EAAA700E60FE8B2B46499D7E31D445 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230331_185549_955038_5BEF48EA X-CRM114-Status: GOOD ( 10.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Amjad Ouled-Ameur MT8365 has 3 CPU Idle states: - MCDI_CPU. (Multi-Core-Deep-Idle) - MCDI_CLUSTER. - DPIDLE. (Deep-Idle) Signed-off-by: Amjad Ouled-Ameur Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Alexandre Mergnat --- arch/arm64/boot/dts/mediatek/mt8365.dtsi | 35 ++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi index cfe0c67ad61f..413496c92069 100644 --- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi @@ -128,6 +128,7 @@ cpu0: cpu@0 { reg = <0x0>; #cooling-cells = <2>; enable-method = "psci"; + cpu-idle-states = <&CPU_MCDI &CLUSTER_MCDI &CLUSTER_DPIDLE>; i-cache-size = <0x8000>; i-cache-line-size = <64>; i-cache-sets = <256>; @@ -147,6 +148,7 @@ cpu1: cpu@1 { reg = <0x1>; #cooling-cells = <2>; enable-method = "psci"; + cpu-idle-states = <&CPU_MCDI &CLUSTER_MCDI &CLUSTER_DPIDLE>; i-cache-size = <0x8000>; i-cache-line-size = <64>; i-cache-sets = <256>; @@ -166,6 +168,7 @@ cpu2: cpu@2 { reg = <0x2>; #cooling-cells = <2>; enable-method = "psci"; + cpu-idle-states = <&CPU_MCDI &CLUSTER_MCDI &CLUSTER_DPIDLE>; i-cache-size = <0x8000>; i-cache-line-size = <64>; i-cache-sets = <256>; @@ -185,6 +188,7 @@ cpu3: cpu@3 { reg = <0x3>; #cooling-cells = <2>; enable-method = "psci"; + cpu-idle-states = <&CPU_MCDI &CLUSTER_MCDI &CLUSTER_DPIDLE>; i-cache-size = <0x8000>; i-cache-line-size = <64>; i-cache-sets = <256>; @@ -198,6 +202,37 @@ cpu3: cpu@3 { operating-points-v2 = <&cluster0_opp>; }; + idle-states { + entry-method = "psci"; + + CPU_MCDI: cpu-mcdi { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x00010001>; + entry-latency-us = <300>; + exit-latency-us = <200>; + min-residency-us = <1000>; + }; + + CLUSTER_MCDI: cluster-mcdi { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x01010001>; + entry-latency-us = <350>; + exit-latency-us = <250>; + min-residency-us = <1200>; + }; + + CLUSTER_DPIDLE: cluster-dpidle { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x01010004>; + entry-latency-us = <300>; + exit-latency-us = <800>; + min-residency-us = <3300>; + }; + }; + l2: l2-cache { compatible = "cache"; cache-level = <2>;