From patchwork Wed May 29 08:25:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Liao X-Patchwork-Id: 10966473 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9A237112C for ; Wed, 29 May 2019 08:25:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B28328849 for ; Wed, 29 May 2019 08:25:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7D1AB2886C; Wed, 29 May 2019 08:25:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D338928849 for ; Wed, 29 May 2019 08:25:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=XJDhNlXii25ttBwEYPT8Cul6H8KuGAx914VqmGMhJkk=; b=gyu+UcbW+tFFt3 Dy/LdxLaElXKhgkDeQ28X4iz0rtMm5zu27wgZdmvnRlto/m8ldzD4BPFVD5lGVs1WL6P+RZ9vP84h jJcyHLOQLHaeVQ2L3Jf0ab2OUJskxiBrRvk4QkgtG3BwAg9IsJLQH4OJQOV+x/mpOlfjbsN7DzakM lOpm9SJ8SfuyiGWaG7jBRC3+5suDbmTq+977Yij80wAu8Y53aCrRzAhAadki/cBf0X2hgHu5nlqBA f77S391oqqDmP2ZQIPtPrqp9jUIjgk1g7s6WnB/XZ367pb9K4cxINNPtRyWaxnuGkPmzzxy9OSgPW cSpB63JH60Svx0pYWEJw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVtu8-0002i8-1b; Wed, 29 May 2019 08:25:48 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVtu4-0002hT-0Z; Wed, 29 May 2019 08:25:45 +0000 X-UUID: 6efa6b09fb5342438a5d1442a87ccab2-20190529 X-UUID: 6efa6b09fb5342438a5d1442a87ccab2-20190529 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 408395342; Wed, 29 May 2019 00:25:09 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 29 May 2019 01:25:07 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 29 May 2019 16:25:06 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 29 May 2019 16:25:06 +0800 From: James Liao To: Rob Herring , Mark Rutland , Matthias Brugger Subject: [PATCH] arm64: dts: mt8183: Enable CPU idle-states Date: Wed, 29 May 2019 16:25:03 +0800 Message-ID: <1559118303-31875-1-git-send-email-jamesjj.liao@mediatek.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190529_012544_061767_775307DE X-CRM114-Status: UNSURE ( 8.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 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+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Enable mcdi-cpu and mcdi-cluster on MT8183 CPUs. Signed-off-by: James Liao --- This patch bases on v5.1-rc1 and [1], adds idle-states for MT8183 CPUs. [1] https://patchwork.kernel.org/patch/10962375/ arch/arm64/boot/dts/mediatek/mt8183.dtsi | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi index 08274bf..ef4b054 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi @@ -56,6 +56,7 @@ compatible = "arm,cortex-a53"; reg = <0x000>; enable-method = "psci"; + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>; }; cpu1: cpu@1 { @@ -63,6 +64,7 @@ compatible = "arm,cortex-a53"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>; }; cpu2: cpu@2 { @@ -70,6 +72,7 @@ compatible = "arm,cortex-a53"; reg = <0x002>; enable-method = "psci"; + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>; }; cpu3: cpu@3 { @@ -77,6 +80,7 @@ compatible = "arm,cortex-a53"; reg = <0x003>; enable-method = "psci"; + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>; }; cpu4: cpu@100 { @@ -84,6 +88,7 @@ compatible = "arm,cortex-a73"; reg = <0x100>; enable-method = "psci"; + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>; }; cpu5: cpu@101 { @@ -91,6 +96,7 @@ compatible = "arm,cortex-a73"; reg = <0x101>; enable-method = "psci"; + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>; }; cpu6: cpu@102 { @@ -98,6 +104,7 @@ compatible = "arm,cortex-a73"; reg = <0x102>; enable-method = "psci"; + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>; }; cpu7: cpu@103 { @@ -105,6 +112,29 @@ compatible = "arm,cortex-a73"; reg = <0x103>; enable-method = "psci"; + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>; + }; + + idle-states { + entry-method = "arm,psci"; + + MCDI_CPU: mcdi-cpu { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x00010001>; + entry-latency-us = <200>; + exit-latency-us = <200>; + min-residency-us = <800>; + }; + + MCDI_CLUSTER: mcdi-cluster { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x01010001>; + entry-latency-us = <250>; + exit-latency-us = <400>; + min-residency-us = <1300>; + }; }; };