From patchwork Thu Feb 20 04:50:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11393311 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E635F17F0 for ; Thu, 20 Feb 2020 04:56:39 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C3D8724672 for ; Thu, 20 Feb 2020 04:56:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QiAmRimx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C3D8724672 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=QMDDjgbZwETvkg39RAb2yET5osnLulxXOMPJqXw3Rhg=; b=QiA mRimxPYZO2i5a26H2BgqMR3DdomDhHXdsVS3yCnCkpukATf+ryl6hUg0SvrFCcBM1urOqYzG2GhE8 xofQjCn0GpIpU+5PCs00nUJx2fQ+rAChm8OoB/XollYDA7FWms20L7ZRHBde0JlX4A+iys2oVdocM DaDoJ/UQUK97ImqSGaBH/04e39OhxhBEDHf/OZ+df/aaJyUMWEQIUylIQNchLty7lKok/AvY8Yq3Y rdP72StavmDDDpc1yTZIDVMbQStu39vTgFuSzZRNGn0VEh3tuT08df8Dc6iSLQclf3TtAs/n2IEp3 iO+aIaqHZhrIu2yaX1uXpg8wk8VfoAg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j4dt7-0008Ju-IG; Thu, 20 Feb 2020 04:56:37 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j4dt4-0008J6-Nl for linux-arm-kernel@lists.infradead.org; Thu, 20 Feb 2020 04:56:36 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 211A72003B7; Thu, 20 Feb 2020 05:56:27 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D73FA20554F; Thu, 20 Feb 2020 05:56:21 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 4D45E402AB; Thu, 20 Feb 2020 12:56:15 +0800 (SGT) From: Anson Huang To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: imx8mp: Add system counter timer node Date: Thu, 20 Feb 2020 12:50:32 +0800 Message-Id: <1582174232-14082-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200219_205634_911716_B0A57DD3 X-CRM114-Status: UNSURE ( 7.23 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.21 listed in list.dnswl.org] X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux-imx@nxp.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org System counter timer is necessary as broadcast timer for cpu-idle, add support for it. Signed-off-by: Anson Huang --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 61cf373..71b0c8f 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -358,6 +358,14 @@ #pwm-cells = <2>; status = "disabled"; }; + + system_counter: timer@306a0000 { + compatible = "nxp,sysctr-timer"; + reg = <0x306a0000 0x20000>; + interrupts = ; + clocks = <&osc_24m>; + clock-names = "per"; + }; }; aips3: bus@30800000 {