From patchwork Fri May 10 11:29:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 10938703 X-Patchwork-Delegate: agross@codeaurora.org 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 49A1F1398 for ; Fri, 10 May 2019 11:30:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 38AAD286F6 for ; Fri, 10 May 2019 11:30:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2CBCF289B8; Fri, 10 May 2019 11:30:19 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1A91286F6 for ; Fri, 10 May 2019 11:30:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727483AbfEJLaS (ORCPT ); Fri, 10 May 2019 07:30:18 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:32903 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727476AbfEJLaR (ORCPT ); Fri, 10 May 2019 07:30:17 -0400 Received: by mail-pg1-f195.google.com with SMTP id h17so2909261pgv.0 for ; Fri, 10 May 2019 04:30:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=JVo/NvEDRX1QVQbcjE8Yetg8X4Rda/MV9JSZ7Qo1pjU=; b=s7jn7hlrXaSulZyC00By0r91cNEiJ4SQmpC82v3lVdN6t5HlkoTF5vWlBltkS/3M5D 6lNJ1AlB23X0DJ7A92bi7ijQ7QT/pDm4SlcAv4GWOMue0yksI3pxr4Tgt+IDcVRUQ2hJ 11Rj7TX8mo66oXANkYVxmfvvYkFNOrWm010WN2S1rU5iqLLXfOzzmr3Ni7FTIRDCZ+fu RW6s7S1Oe2mHLWyuwso/IDKyeKzur/Q/EKDBUxCHMtPhOcONfeFX/s3lgWzVIK56oIyw xaSGWvjXzxOnrR7BhhZh3IgQWSNoifY0fHaZKwPGfJ33VhleHf1gPRFPNGvzuvI77hGG xETw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=JVo/NvEDRX1QVQbcjE8Yetg8X4Rda/MV9JSZ7Qo1pjU=; b=MUIJH8bb5rlzQ0jxIoCp1S5xoGxvqscT/xvrm8J+sJjRwiJCQGqaRAAZg3i2DBDj+v fVf7R3wmRctgrS6ioJePxVZgQ67BMKxLEcGdzIK02CXoWEZ6+ZZCxNCRXVJ3/MHQ6vHO 7Uu9+bxyNyZnNRZV/p6UuyjClbIYaVXwmMjNrkefWmDM8QiRXfTA7e1B7hoP8Tge72ny evgrOKf4PD0rH5gmMc98pGXMRei2I1/VcmLn5SzIk3jHWaiXrO8/jVYHQ47/7WUk88kd AcTi+0lt/nQF9TCNJQyH9h/MZ83+nE9LqOw8yalvGVb9gffHhdwDRdz8Ds2QRIdh04Vn O2Ww== X-Gm-Message-State: APjAAAVh6S+ARpLooruSxX0+hD8I3ucyv9LhypaqNhuf2YrAaSX8N5AX FRQMO3A01Z7eIy593rW5pB6Z4Q== X-Google-Smtp-Source: APXvYqwEbvNp0PS8j3TrnVgJ43uU+ruCMJVabRwUeDoOmcXa/KEOgwodv32L5LHlsWbl5aCE7MmN4Q== X-Received: by 2002:aa7:98c6:: with SMTP id e6mr13008017pfm.191.1557487817121; Fri, 10 May 2019 04:30:17 -0700 (PDT) Received: from localhost ([103.8.150.7]) by smtp.gmail.com with ESMTPSA id g32sm5295248pgl.16.2019.05.10.04.30.15 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 10 May 2019 04:30:16 -0700 (PDT) From: Amit Kucheria To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, bjorn.andersson@linaro.org, andy.gross@linaro.org, David Brown , Li Yang , Shawn Guo Cc: devicetree@vger.kernel.org Subject: [PATCHv1 6/8] arm64: dts: qcom: msm8996: Add PSCI cpuidle low power states Date: Fri, 10 May 2019 16:59:44 +0530 Message-Id: <8648ba97d49a9f731001e4b36611be9650e37f37.1557486950.git.amit.kucheria@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add device bindings for cpuidle states for cpu devices. Signed-off-by: Amit Kucheria --- arch/arm64/boot/dts/qcom/msm8996.dtsi | 28 +++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index c761269caf80..b615bcb9e351 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -95,6 +95,7 @@ compatible = "qcom,kryo"; reg = <0x0 0x0>; enable-method = "psci"; + cpu-idle-states = <&LITTLE_CPU_PD>; next-level-cache = <&L2_0>; L2_0: l2-cache { compatible = "cache"; @@ -107,6 +108,7 @@ compatible = "qcom,kryo"; reg = <0x0 0x1>; enable-method = "psci"; + cpu-idle-states = <&LITTLE_CPU_PD>; next-level-cache = <&L2_0>; }; @@ -115,6 +117,7 @@ compatible = "qcom,kryo"; reg = <0x0 0x100>; enable-method = "psci"; + cpu-idle-states = <&BIG_CPU_PD>; next-level-cache = <&L2_1>; L2_1: l2-cache { compatible = "cache"; @@ -127,6 +130,7 @@ compatible = "qcom,kryo"; reg = <0x0 0x101>; enable-method = "psci"; + cpu-idle-states = <&BIG_CPU_PD>; next-level-cache = <&L2_1>; }; @@ -151,6 +155,30 @@ }; }; }; + + idle-states { + entry-method="psci"; + + LITTLE_CPU_PD: little-power-down { + compatible = "arm,idle-state"; + idle-state-name = "standalone-power-collapse"; + arm,psci-suspend-param = <0x00000004>; + entry-latency-us = <40>; + exit-latency-us = <40>; + min-residency-us = <300>; + local-timer-stop; + }; + + BIG_CPU_PD: big-power-down { + compatible = "arm,idle-state"; + idle-state-name = "standalone-power-collapse"; + arm,psci-suspend-param = <0x00000004>; + entry-latency-us = <40>; + exit-latency-us = <40>; + min-residency-us = <300>; + local-timer-stop; + }; + }; }; thermal-zones {