From patchwork Tue Dec 22 04:58:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Liao X-Patchwork-Id: 11985853 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 829F1C433E0 for ; Tue, 22 Dec 2020 05:00:18 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2448222518 for ; Tue, 22 Dec 2020 05:00:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2448222518 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=mNxSa2zw5RWdhNqYClQHudroqX4huFpYhKroF2UJYOc=; b=VJ5k/9hJ3Ur8umYHsIkl3MFE30 SvxzQLL9WGkAwwKOmLoNHCZ8+RI7UMClX6nu/zaF6c9xUmoKzRP+UiU8o92rOAOsaJrgz+vGUTEbZ rycHr2DcNTjmiArFM/t3tUsb3r25Ze3XnQeuq7YOvd7qGIStDnk06W5VIUuUuo1pW3AAY7x2FrU/9 zlQ/imEgIG6sVygTM/BEfS6BVHdwpRiiWLLQ4HZkr512d6YAvuqV57zro7H0ckZm5OgIBmQwdpmSq OkFaPNxKL4o/SJMPPexxucsEYJPh2Bzjbvhl248bvXN6/i6tfqeOPXGj8G38uYLBoP6R9yjoeSDYm KA8gQJgg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1krZkv-0000HS-QC; Tue, 22 Dec 2020 04:58:41 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1krZks-0000Gg-2d; Tue, 22 Dec 2020 04:58:39 +0000 X-UUID: 1343cd29808a495dac72a1b466eb5160-20201221 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=ix39aEP/7qBhFODfaYq98ECNI0FRFoI883iGyqKhxxY=; b=soX5LFOiBcCV2HtNbeL6cbqYt/IY3UZYIs0V/DvgqAnDxY3iDGT4XrgE1FL67YiEtBuoVyxEFKKI22CpEsS3dF/vNJFfS3QfPmYiQq71VRKdywrlRlM8SkO6PvZ17bqIc5cG1MyTbj+dfcYXq8WytTVNVMZ+H8CEPSzsESopOvM=; X-UUID: 1343cd29808a495dac72a1b466eb5160-20201221 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 951786802; Mon, 21 Dec 2020 20:58:26 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 21 Dec 2020 20:58:23 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 22 Dec 2020 12:58:21 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 22 Dec 2020 12:58:21 +0800 From: James Liao To: Rob Herring , Matthias Brugger Subject: [PATCH] arm64: dts: mt8192: Add cpu-idle-states Date: Tue, 22 Dec 2020 12:58:20 +0800 Message-ID: <20201222045820.26355-1-jamesjj.liao@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201221_235838_349810_580D6FC3 X-CRM114-Status: UNSURE ( 9.44 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, James Liao , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add idle states for cpu-off and cluster-off. Signed-off-by: James Liao --- arch/arm64/boot/dts/mediatek/mt8192.dtsi | 44 ++++++++++++++++++++++++ 1 file changed, 44 insertions(+) This patch bases on v5.10 and [1], adds idle-states for MT8192 CPUs. [1] https://lore.kernel.org/linux-arm-kernel/20201030092207.26488-2-seiya.wang@mediatek.com/ diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi index e12e024de122..c7f2ec9ea4f1 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi @@ -39,6 +39,7 @@ reg = <0x000>; enable-method = "psci"; clock-frequency = <1701000000>; + cpu-idle-states = <&cpuoff_l &clusteroff_l>; next-level-cache = <&l2_0>; capacity-dmips-mhz = <530>; }; @@ -49,6 +50,7 @@ reg = <0x100>; enable-method = "psci"; clock-frequency = <1701000000>; + cpu-idle-states = <&cpuoff_l &clusteroff_l>; next-level-cache = <&l2_0>; capacity-dmips-mhz = <530>; }; @@ -59,6 +61,7 @@ reg = <0x200>; enable-method = "psci"; clock-frequency = <1701000000>; + cpu-idle-states = <&cpuoff_l &clusteroff_l>; next-level-cache = <&l2_0>; capacity-dmips-mhz = <530>; }; @@ -69,6 +72,7 @@ reg = <0x300>; enable-method = "psci"; clock-frequency = <1701000000>; + cpu-idle-states = <&cpuoff_l &clusteroff_l>; next-level-cache = <&l2_0>; capacity-dmips-mhz = <530>; }; @@ -79,6 +83,7 @@ reg = <0x400>; enable-method = "psci"; clock-frequency = <2171000000>; + cpu-idle-states = <&cpuoff_b &clusteroff_b>; next-level-cache = <&l2_1>; capacity-dmips-mhz = <1024>; }; @@ -89,6 +94,7 @@ reg = <0x500>; enable-method = "psci"; clock-frequency = <2171000000>; + cpu-idle-states = <&cpuoff_b &clusteroff_b>; next-level-cache = <&l2_1>; capacity-dmips-mhz = <1024>; }; @@ -99,6 +105,7 @@ reg = <0x600>; enable-method = "psci"; clock-frequency = <2171000000>; + cpu-idle-states = <&cpuoff_b &clusteroff_b>; next-level-cache = <&l2_1>; capacity-dmips-mhz = <1024>; }; @@ -109,6 +116,7 @@ reg = <0x700>; enable-method = "psci"; clock-frequency = <2171000000>; + cpu-idle-states = <&cpuoff_b &clusteroff_b>; next-level-cache = <&l2_1>; capacity-dmips-mhz = <1024>; }; @@ -158,6 +166,42 @@ l3_0: l3-cache { compatible = "cache"; }; + + idle-states { + entry-method = "arm,psci"; + cpuoff_l: cpuoff_l { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x00010001>; + local-timer-stop; + entry-latency-us = <55>; + exit-latency-us = <140>; + min-residency-us = <780>; + }; + cpuoff_b: cpuoff_b { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x00010001>; + local-timer-stop; + entry-latency-us = <35>; + exit-latency-us = <145>; + min-residency-us = <720>; + }; + clusteroff_l: clusteroff_l { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x01010002>; + local-timer-stop; + entry-latency-us = <60>; + exit-latency-us = <155>; + min-residency-us = <860>; + }; + clusteroff_b: clusteroff_b { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x01010002>; + local-timer-stop; + entry-latency-us = <40>; + exit-latency-us = <155>; + min-residency-us = <780>; + }; + }; }; pmu-a55 {