From patchwork Tue Jan 29 09:28:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Lo X-Patchwork-Id: 10785867 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 C6F7C139A for ; Tue, 29 Jan 2019 09:30:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B7E832B1F3 for ; Tue, 29 Jan 2019 09:30:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A39012B206; Tue, 29 Jan 2019 09:30:01 +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 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 8F7332B1F3 for ; Tue, 29 Jan 2019 09:30:00 +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:References:In-Reply-To: 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: List-Owner; bh=c1rBf3V5Wkj90QA6EJTNd06EFQSD57cufja865iBZSE=; b=g4DV2VFBLx2K2f QFfjzj9NgWAV34UbivGUsFn8ka4ZHJ5Q77a9HHKVkJzHnLzlDV2UTajAZgktseCIxDqeCO+kJdDB1 JU4ZPzrqGAO3Wodyl3uuAZC7n+F6qiRMkmQHOwyQCq0IIp2IAwbZc93MqGdqDwF8eZA1lInJq16Sf LTKKayNE4OER66o5dzbLhd6uI7oLT4jq81tH9L6RnWccarDCjq2wpHq66mHn7HRTDfUbmXIh+lkwo ksQ3Q2V0sb5jtcdGLPW82uyL77f8RMCnhfKGmYdMc3J+1jRP5qzwXLb7axk5XfHwnxip6KRDVA2XT PQNv1U20eDsiYl1Welkg==; 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 1goPiM-00078L-LB; Tue, 29 Jan 2019 09:29:54 +0000 Received: from hqemgate14.nvidia.com ([216.228.121.143]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1goPh6-00068X-Gf for linux-arm-kernel@lists.infradead.org; Tue, 29 Jan 2019 09:28:41 +0000 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 29 Jan 2019 01:28:37 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Tue, 29 Jan 2019 01:28:36 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Tue, 29 Jan 2019 01:28:36 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 29 Jan 2019 09:28:35 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Tue, 29 Jan 2019 09:28:35 +0000 Received: from josephl-linux.nvidia.com (Not Verified[10.19.108.132]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Tue, 29 Jan 2019 01:28:35 -0800 From: Joseph Lo To: Thierry Reding , Jonathan Hunter Subject: [PATCH V3 4/6] arm64: dts: tegra210: add CPU idle states properties Date: Tue, 29 Jan 2019 17:28:21 +0800 Message-ID: <20190129092823.24983-5-josephl@nvidia.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190129092823.24983-1-josephl@nvidia.com> References: <20190129092823.24983-1-josephl@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1548754117; bh=2bAE2TFa23HscVFAfxOhYaDup4svaBcvFeGwLO9+yjc=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:X-NVConfidentiality: Content-Transfer-Encoding:Content-Type; b=oRxaqqQRA7Cf0JSraeNsor+Sb4miQ9DmsWqa4HWnAz+eRlB4fQf9WINUQ5nhrVonB gYKkd1918xn39sN8vDDi1pb1sykKrxPCJwqZ5GuYcxGYMmZOF2ahH3hUyLeOdKrH7r 575dCVTmJfRCEP4Zbj+5aBZ+PmoGFQinYwcuufsfM6QFNJ+IUD7QF64kQ6H5lkRC5x tY1qVwJwes/xTIjwQfWodT4TGlWu1a0vBEDldW2wwM1f4K+IbBnPWjaWMted0bSjEM h7uk6Yl3ElDV9O3C7y00tH9dEvAcm4gwrucOJXFiFZk3Hd0yISdEpL5LY6oMyMOEUW vJ2po/uHzf3cQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190129_012837_053653_0D047E81 X-CRM114-Status: UNSURE ( 7.93 ) 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: linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Joseph Lo 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 Add idle states properties for generic ARM CPU idle driver. This includes a C7 state which is the power down state of CPU cores. Signed-off-by: Joseph Lo --- v3: * no change v2: * add entry-latency-us and exit-latency-us properties Note: This dt patch depends on the DT changes in below series. http://patchwork.ozlabs.org/project/linux-tegra/list/?series=84380 --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index 2b387364afc3..75534692604c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -1318,24 +1318,43 @@ <&dfll>; clock-names = "cpu_g", "pll_x", "pll_p", "dfll"; clock-latency = <300000>; + cpu-idle-states = <&C7>; }; cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a57"; reg = <1>; + cpu-idle-states = <&C7>; }; cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a57"; reg = <2>; + cpu-idle-states = <&C7>; }; cpu@3 { device_type = "cpu"; compatible = "arm,cortex-a57"; reg = <3>; + cpu-idle-states = <&C7>; + }; + + idle-states { + entry-method = "psci"; + + C7: c7 { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x40000007>; + entry-latency-us = <250>; + exit-latency-us = <100>; + min-residency-us = <1000>; + wakeup-latency-us = <130>; + idle-state-name = "c7-cpu-powergated"; + status = "disabled"; + }; }; };