From patchwork Wed Apr 26 10:49:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Mergnat X-Patchwork-Id: 677197 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D13EAC7618E for ; Wed, 26 Apr 2023 10:50:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240640AbjDZKuy (ORCPT ); Wed, 26 Apr 2023 06:50:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240614AbjDZKt4 (ORCPT ); Wed, 26 Apr 2023 06:49:56 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9702C525D for ; Wed, 26 Apr 2023 03:49:50 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id ffacd0b85a97d-2f9b9aa9d75so4390092f8f.0 for ; Wed, 26 Apr 2023 03:49:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20221208.gappssmtp.com; s=20221208; t=1682506190; x=1685098190; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=RRBwEvfGQIrh+pVMdhdSvf8KI6OxPqchD4EYbezjkwM=; b=FYB6XKHSK5KKsJr3WxBuRzt7a4ngh9IlwcxKwIBWhfFwmlPj4w9QvRnUf14Zud2OWr qPM0OzIHcGKwtFddfme28Ugk0gict/9LoW1Z/E+64kNpc0X0zVyotIINirzNIjjE2XM7 zaaWUXOvVPBm8cY8qws7cFAac4sx6+hYtJ7UzbWbYwMklWxCdIQfALtnnL/oGIrdr47f Dt2PT6bOfqLu3miub99uy+KjLrA90TfC5B4Mjt4NGj+rmzXlmt4hZEJsBPFTCAEkV15q LYdSmhZOvFPKvl87gW8PKGuHxatWYbcvnzBvTwBfquCc8kT0MWamX9MLzjtsmv1BFCvP G3Eg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682506190; x=1685098190; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=RRBwEvfGQIrh+pVMdhdSvf8KI6OxPqchD4EYbezjkwM=; b=c6PTzkGMohO2+pt4flXVrOgOkNNRyQtCQkS8OxC0/PW1sQ0JgJ6/uZ5vjYpdj1FTrR s5KDpTw5CK3Vi+5GXs6ILxWAYQxM88CD/8frToy01jaqsX6AClCUOSe7/vduPbgT03sp odSB41HBhzPYj6SLVJ+WGh6QlkWMXSVjWtf0M4XzFoB5Sg5x6r4WSGN9mVD3Q+bb2rE8 01pDjT7dGFU6itmBmaUUHNLNeue6Msz0EoBj2xughgWucmbhtv5MGVieDYJvaBsx0Ue2 zgdElUZHQcvsDnWRLKzULUiJpt2Ww3ZYqaVzzrgqCBTew+G2pkISshe1Drj08gjXNIcW 4gSQ== X-Gm-Message-State: AC+VfDxyK/u5W4UkILoudjIhNpKqYRZtq++p5/qFd/XAbpyi3eCMhuxj AwkBcmigrHl53ht7wQF4cn+ppQ== X-Google-Smtp-Source: ACHHUZ60G0FOxr7QbkS+ZT6GBwmKMmS2XUtDyx60byZRloL04GW+p5mCyFBHDEQZYkQZHCnBjdwV9A== X-Received: by 2002:adf:db88:0:b0:304:a40c:43c3 with SMTP id u8-20020adfdb88000000b00304a40c43c3mr764782wri.45.1682506190004; Wed, 26 Apr 2023 03:49:50 -0700 (PDT) Received: from [127.0.1.1] (158.22.5.93.rev.sfr.net. [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: devicetree@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>;