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[93.5.22.158]) by smtp.googlemail.com with ESMTPSA id t4-20020a5d6a44000000b002e558f1c45fsm4471446wrw.69.2023.04.07.05.59.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Apr 2023 05:59:55 -0700 (PDT) From: amergnat@baylibre.com Date: Fri, 07 Apr 2023 14:59:31 +0200 Subject: [PATCH v5 12/12] arm64: dts: mediatek: Add CPU Idle support MIME-Version: 1.0 Message-Id: <20230203-evk-board-support-v5-12-1883c1b405ad@baylibre.com> References: <20230203-evk-board-support-v5-0-1883c1b405ad@baylibre.com> In-Reply-To: <20230203-evk-board-support-v5-0-1883c1b405ad@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=A4nze?= =?utf-8?q?r?= 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+MdRFAcsmYgBkMBO7nlDuhTGY5LcrIhA3CBgmhjCqwhMH9j4Fbo+Y Wvm4aAeJAjMEAAEKAB0WIQQjG17X8+qqcA5g/osrRkmdfjHURQUCZDATuwAKCRArRkmdfjHURZfPEA C6UOP0sfhWwRHPPBo3A0M96nkZ7aEurjo/y27ff8b8D26ePX3E2VyZ9pRCetsJPvXUNIFI0jAO5OSx 1vLav9Cl8tRgF0JZHFVAVfxBfTbksLMl58XTe/KeR7AjFPODdJvvSBx473XvVJ57sQqIeny0NheV5I QynDkpLK21iL4vXXfDjvG/bk2mhqKpMT9VwwcavlIGzRrP+sZlxIm6jCJeZMZbOlc518/eQ5/qQ+ip lKQF7WvbXLrAWL/effup193wZDaYq3c9ocabh5aCH3l4nk0BWcZTn0VIOURMUmgOav0Kf/hmkt8WIm 2DT6mKzDNaEH57ANl9B0wUivl+n5seSCV6JukkvBiGaM4vltprRBH8eoRJ3m019ckPX/KvgS2KR2pH Z2zaG2JA9ASLqj+ilusQbuLMHw1ofIoAHKTsiSLiJOpHkAgjpUM4JhO5MvQByByePt8sxoXVq5WpbN YQS8tTLDg8MuqmwnbPFP0lhAoSgdIc08osf/vU9d5Lv94u83Y/HW7xGno18pmxVcGw8QLVNSzg/Rzh Ux82xCZZi8KYefQEugS954hCb9fy3R+6Ib1ts1xKkiI3t1dhwO6ilLOhHVmm6t3VgxOVsraTQ9EheM rRjOSIstwGccF/TDUmtV6FwRg1TsPUXjatr8p/ki937D6hcK6HSvFOW8uRVw== 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 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>;