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[93.5.22.158]) by smtp.googlemail.com with ESMTPSA id v9-20020a170906338900b0094ee99eeb01sm4209935eja.150.2023.05.11.09.30.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 May 2023 09:30:10 -0700 (PDT) From: amergnat@baylibre.com Date: Thu, 11 May 2023 18:29:31 +0200 Subject: [PATCH v7 11/11] arm64: dts: mediatek: Add CPU Idle support MIME-Version: 1.0 Message-Id: <20230203-evk-board-support-v7-11-98cbdfac656e@baylibre.com> References: <20230203-evk-board-support-v7-0-98cbdfac656e@baylibre.com> In-Reply-To: <20230203-evk-board-support-v7-0-98cbdfac656e@baylibre.com> To: Catalin Marinas , Will Deacon , Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , AngeloGioacchino Del Regno , Conor Dooley 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+MdRFAcsmYgBkXRgFAzS6LbWTWUcMEoCaR8sqFR9Xigsp8S0Hmy95 Jlm3L0uJAjMEAAEKAB0WIQQjG17X8+qqcA5g/osrRkmdfjHURQUCZF0YBQAKCRArRkmdfjHURTndEA Cex5rMbwQvMMzR73kflR/rwX5EN4mV+fpZkrlrvBamLuBzAKKj7uOGQqdw/Wks6I4YS/KYMM69x+lR z5GrCRQyHIJ+aL2Rfa/E1sQUxMqwY3HirlK7d2tM2A07/AiDc9pAebsAjOa9p5UeZAw+LLpV2zVfcy Gb+C8m2jwPbiU1GeGiLxWZJe5qarmv7uZU3r8a7KlEeOVN8teeOPcVml7+Uk8xXxU4NA72S6ahPKOw mjw79F0O/LlNWEuUJsFpqMzLnP8xRjFLPeiG5VxwMjJumTr1DKJObvcDnScO4jXR+hSu5d0KK9nSil Y7r1IGj1mhLZQfHaPsaDTJjDvdAPI26eJnPkTVrta3Lom/XYPchJ+lBchE/Ae+nbFLz/zn/0iX7ynV RTlb/swIKGAr8/BtpfWwZHhJM5u+9VjefT9TYVZ3Lm4D390TPM42taib/qj0AZ8PiFqUk6Xee5kcpx dT9pB3+fb0KwteX1w1iSeOvdU23qePJ8W5DceKAfkR+V+4s5sJ8xcLoUfwygcRkCN3IJx4B9ocXv1D pyWwvGkIIOXdaM7BMfbt/T/LPF5tSqOJSTJNcjak7LEI7dzuSVf9twuuw6cUoWgW9B24DyfUwMxjt0 gWJXIYWo8XUAkhZMxIPQOR8opD3H5B/jF2M/igVlb7rZplIGufiJvdDVGWow== X-Developer-Key: i=amergnat@baylibre.com; a=openpgp; fpr=231B5ED7F3EAAA700E60FE8B2B46499D7E31D445 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1765616198407647707?= X-GMAIL-MSGID: =?utf-8?q?1765616198407647707?= 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>;