From patchwork Mon Jan 28 09:18:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Lo X-Patchwork-Id: 10783449 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 57A90746 for ; Mon, 28 Jan 2019 09:20:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3FEE72A495 for ; Mon, 28 Jan 2019 09:20:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2DB452A49A; Mon, 28 Jan 2019 09:20:13 +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 AE8242A495 for ; Mon, 28 Jan 2019 09:20:06 +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=523ku7Zic/BecgKalhvmHqAsoy7upT4zUJIfQ4I9vqA=; b=IA6ykzh8ehYxrA l8CJh6p0Jjmb/6wdZ9XS9utd4tCnJX86R9ARkBUcogl5MUahh2t8TXoPJ9d9aOh8xegEV7jxhTECl YU72DagpIC6qZSnwNNPZCzd/iuqNb5GjjJPiwp3cbv9hVoll7RNO6Nkke8s1l1IEZHAHdmmjrayHi L+ck2jgliQiWYVkbKx0qVg5fPAIPhneMvKrv2du8+giRR2pwyLnVycHA+BbTRAFyDtedBu4OVNFPx YFJhaap8oMNb5FekPkxsVnhhQbSAlK6Yrym/u4DzyFs7FHf97DpCMpkvOHHq/M2drwYAHZUyxr/NO TzH85dDYSaDrkJcSJhig==; 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 1go35I-0006oS-KP; Mon, 28 Jan 2019 09:20:04 +0000 Received: from hqemgate15.nvidia.com ([216.228.121.64]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1go33p-0005bo-Sk for linux-arm-kernel@lists.infradead.org; Mon, 28 Jan 2019 09:18:43 +0000 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 28 Jan 2019 01:18:06 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 28 Jan 2019 01:18:33 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 28 Jan 2019 01:18:33 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL106.nvidia.com (172.18.146.12) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 28 Jan 2019 09:18:32 +0000 Received: from HQMAIL103.nvidia.com (172.20.187.11) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 28 Jan 2019 09:18:32 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL103.nvidia.com (172.20.187.11) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Mon, 28 Jan 2019 09:18:32 +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 ; Mon, 28 Jan 2019 01:18:32 -0800 From: Joseph Lo To: Thierry Reding , Jonathan Hunter Subject: [PATCH V2 4/6] arm64: dts: tegra210: add CPU idle states properties Date: Mon, 28 Jan 2019 17:18:13 +0800 Message-ID: <20190128091815.7040-5-josephl@nvidia.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190128091815.7040-1-josephl@nvidia.com> References: <20190128091815.7040-1-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=1548667086; bh=TfJ1VyPIxIzF/UE5Xgka82poXzjaXbhFtL8pwS//EQE=; 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=N8NQn02IvtRMYeS3MPcXOyJ0KllFiHZMgoOFQ4Z4R+yWx67PziabKL/Gw/UMvE0Zw gLWRBk8n/P/Ubrlcbf1YYxY5Gd2EhaY9GPb9wF0IMy+WL3ircNRlNvhQCC5UL5hzFk uUZE2sy/ZPzn+N9TLEJ4Nkz1F9LpCKRafFTYdodX926aXW5nlfSyERWZncGpcUVksc AP/RCInMXzMU0B/cegw7k0TuOxm9+bsPRfn6YTDVF19MYzDlziyYh/47blAUFwI/qM kd/iaQhsMcFX/Gc4KpvK5IfFdlpVrPGTMKCKqBVEcZJvLke6J++GvdGuvSprQALu0j qjdey2bcFLQIw== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190128_011834_413595_8FAC630F X-CRM114-Status: UNSURE ( 7.24 ) 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 --- 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"; + }; }; };