From patchwork Thu Jan 31 09:24:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Lo X-Patchwork-Id: 10790181 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 BBD3C13B5 for ; Thu, 31 Jan 2019 09:25:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B94E627CF9 for ; Thu, 31 Jan 2019 09:25:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ADA402FBD2; Thu, 31 Jan 2019 09:25:56 +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 1AC0427CF9 for ; Thu, 31 Jan 2019 09:25:56 +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=ymg6DoFHZABs+4lA2h05OTi7G2qtY0W5CFbi9aYqd7U=; b=hh6ko0c+n2Kbqv 07u81UkMiNNispGxXlf/bTaZVGabyQoBtBdtg1ZH/OtwHQ1yGwCEoOHse20sGRmjO+6OV32KHqSzv WaFeJMZ/Wxz3R5ZJScp/A6TMWXjf/+XvifZhqFuJVziM3oQBCpcwUBds40lw8PEfhbsJe67b7pL9I jym437m8MWqLVOuHnK8fS0k/rS3JsRl1C1NDcphk2fCAnj46xxmjlzKNnnqG5G0aNZWfwS75sUIOm asmtPeoxqMCGBi3OMJvLOHmeMS72zZPfXr7rqy0ct+jzK0d5vkQG5lQ68zhMLESJ23qqXXwJJKZ/9 WbY1Z5w316K739/eGM/g==; 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 1gp8ba-00074R-AK; Thu, 31 Jan 2019 09:25:54 +0000 Received: from hqemgate16.nvidia.com ([216.228.121.65]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gp8aC-0004hZ-CU for linux-arm-kernel@lists.infradead.org; Thu, 31 Jan 2019 09:24:34 +0000 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Thu, 31 Jan 2019 01:23:46 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Thu, 31 Jan 2019 01:24:27 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Thu, 31 Jan 2019 01:24:27 -0800 Received: from HQMAIL103.nvidia.com (172.20.187.11) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 31 Jan 2019 09:24:27 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL103.nvidia.com (172.20.187.11) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Thu, 31 Jan 2019 09:24:27 +0000 Received: from josephl-linux.nvidia.com (Not Verified[10.19.108.132]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Thu, 31 Jan 2019 01:24:27 -0800 From: Joseph Lo To: Thierry Reding , Jonathan Hunter Subject: [PATCH V4 5/7] arm64: dts: tegra210: add CPU idle states properties Date: Thu, 31 Jan 2019 17:24:08 +0800 Message-ID: <20190131092410.28222-6-josephl@nvidia.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190131092410.28222-1-josephl@nvidia.com> References: <20190131092410.28222-1-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=1548926627; bh=2jvl80eQD1LnIQRnLmPconKHGCQrK8o9mZ/VSIRzst4=; 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=Mn1bUyprdF/D1IPxv1SR1zvckluKUuvdTeitQCcC80aGNlmBdgXEz1IJfEvnfez/n /WThoyJvAR0yynq3V8ZACKnH+Yw8uZnKNTOwdrEG/CghYV9pcAWpvpkJVj1SIUzQsj m7PnLeIP5TpSBlBwTpCFluA1mAWfDkXO2p6ZL75+vpKUU3/wJI5qZJRr2ERijsFrc0 +ceqyhFxn40k7eycCMKrlDV6+4g+dPzMcmAsfRvOL5PzeS1Gkc50pOVp6QjvSYdL5w uyY9KAxk7rnO1pLQlz19KBOs+c6f7z1kG+RFAm7WKL/hftw/B5Bm+Lxk8VjaZk1c0E psW7IR5ycbleQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190131_012429_082837_76380262 X-CRM114-Status: UNSURE ( 7.52 ) 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 --- v4: * no change 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"; + }; }; };