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[93.5.22.158]) by smtp.googlemail.com with ESMTPSA id 25-20020a05600c025900b003ed2c0a0f37sm17601988wmj.35.2023.04.26.03.49.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Apr 2023 03:49:49 -0700 (PDT) From: amergnat@baylibre.com Date: Wed, 26 Apr 2023 12:49:12 +0200 Subject: [PATCH v6 12/12] arm64: dts: mediatek: Add CPU Idle support MIME-Version: 1.0 Message-Id: <20230203-evk-board-support-v6-12-8d6b1cfe7f29@baylibre.com> References: <20230203-evk-board-support-v6-0-8d6b1cfe7f29@baylibre.com> In-Reply-To: <20230203-evk-board-support-v6-0-8d6b1cfe7f29@baylibre.com> To: Catalin Marinas , Will Deacon , Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , AngeloGioacchino Del Regno Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, Alexandre Mergnat , Amjad Ouled-Ameur , Kevin Hilman X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2737; i=amergnat@baylibre.com; h=from:subject:message-id; bh=vYzOQ2oc5j6ZLGT/M6bLKTIS/chNEplrOLaJKWbM7ds=; b=owEBbQKS/ZANAwAKAStGSZ1+MdRFAcsmYgBkSQG//NpQI53n7ENVZKetGCC5B3KGBqtL1pkQsjqZ srv1ZcaJAjMEAAEKAB0WIQQjG17X8+qqcA5g/osrRkmdfjHURQUCZEkBvwAKCRArRkmdfjHURdFOD/ 9s6M7dJ3f1t9Ed8MXttvbolu9ojaNWTU5EMJ+7zH8udM2rTz/P5ge7tmJn6KG+D33RjwpXBnKWC3H7 U9N7xXV3QoTaLaVeUxUzoU75ISfZEJGufUgxElJiygTw7VFcO7bZornDO5jw2bnQ5oXoYjp0AL+1o5 R68PF9vW2VipeMtxw3sPHD7LyFy96n9EYPS0LkRSBP+9VEqEkQuc45dzNwUtmgGcLv+KAvllQyRCLP 3HnF+rVfq04Sy62ofdiIUC5IGMHyGXS+Rd5ofXDJpzhuQKhvcrPG1s9GRqG1VxoHvygvudOpddvaeX DSjCnYCW5jzAh772Boi1W9Qq1RYA5hgtoEnaNEPvieuRsXlyQ17N9b0Jxv547SPjl4Jzd3QsvNOLvm Ph4Nyf5X1a8/EUlzWCV6HZg/14Qp4wGudia6OKwLahWTMZ8czHt95aiFwRhJeGoxZcDQM4z4SQVfNw QlONqroOGAFvjiwrDEUYXVpCrcyZR+bxOGUFyI04+d+6ORytZYpTbfev+pX2cR2FtZJyvEvCp7WISq sW/NByCHH6Eq0uigoMARj7+r3vxaVWljOzf/KQcSGArqIMkLtvxuKhr9rkpCIvsL6SstC+b2KHOy0g xypXGB6U1r9aKg9H4ESi/92R/82AqJ7jt6/5QKXRVfpIqYAumyZj7UGxFPig== X-Developer-Key: i=amergnat@baylibre.com; a=openpgp; fpr=231B5ED7F3EAAA700E60FE8B2B46499D7E31D445 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.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 Tested-by: Kevin Hilman 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>;