From patchwork Thu Sep 4 22:35:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 4848601 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BD4799F314 for ; Thu, 4 Sep 2014 22:39:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D644C20279 for ; Thu, 4 Sep 2014 22:39:49 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E7CFD20272 for ; Thu, 4 Sep 2014 22:39:48 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XPfed-0005NE-GJ; Thu, 04 Sep 2014 22:37:23 +0000 Received: from mail-pd0-f172.google.com ([209.85.192.172]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XPfe6-00052N-3E for linux-arm-kernel@lists.infradead.org; Thu, 04 Sep 2014 22:36:50 +0000 Received: by mail-pd0-f172.google.com with SMTP id v10so2250220pde.17 for ; Thu, 04 Sep 2014 15:36:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=gQtDM7saY0I6H9trKizVZWenzEOvEKezGP9FP+EJEnc=; b=MkkP+3vN4rNMYd3yPuizpDmXQI9ScfeWkz4mGVJs07VHdwumE7EEjorJrsAzNQgcWL tAxsbFWLce18MvreL4rM8HIbLpsOCjw2eXqwoWyQ667spRLj1+TNiMjqAFcIq1ShGuj4 E27A+cN1XNb4rFfCiqalJK4czhaY/4CKO+URRRboe36z+5Ipm90oNkzGZVv9KlfhOYlk P0MaW9ensUQZDDDDYr83umpv9duQwK1HhTd/1y2hET4JVlz9RC4S5SBqwoZGCzwhE8mh R5rI9910VSR4Z2GnUI7g+mSjd3Yt0nqWVAslWq8lFAOWOh7VBagl1QkGmELTVji4Uz0u XeVw== X-Gm-Message-State: ALoCoQnMyKmwffESbZchdlHDwx3+7qIir2Ys7ZmA+3gSJfckPPrvvCbbntTG7o/Sl0RCYD+h6/Po X-Received: by 10.70.128.195 with SMTP id nq3mr13896793pdb.158.1409870189238; Thu, 04 Sep 2014 15:36:29 -0700 (PDT) Received: from ubuntu.localdomain (proxy6-global253.qualcomm.com. [199.106.103.253]) by mx.google.com with ESMTPSA id om6sm133722pdb.89.2014.09.04.15.36.27 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 04 Sep 2014 15:36:28 -0700 (PDT) From: Lina Iyer To: daniel.lezcano@linaro.org, lorenzo.pieralisi@arm.com, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, khilman@linaro.org, sboyd@codeaurora.org, galak@codeaurora.org Subject: [PATCH v5 4/7] arm: dts: qcom: Add SPM device bindings for 8974 Date: Thu, 4 Sep 2014 16:35:29 -0600 Message-Id: <1409870132-16929-5-git-send-email-lina.iyer@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1409870132-16929-1-git-send-email-lina.iyer@linaro.org> References: <1409870132-16929-1-git-send-email-lina.iyer@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140904_153650_154274_567C7676 X-CRM114-Status: GOOD ( 11.74 ) X-Spam-Score: -1.3 (-) Cc: msivasub@codeaurora.org, Lina Iyer , linux-pm@vger.kernel.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add SPM device bindings for QCOM 8974 based cpus. SPM is the sub-system power manager and controls the logic around the cores (cpu and L2). Each core has an instance of SPM and controls only that core. Each cpu SPM is configured to support WFI and SPC (standalone-power collapse). Signed-off-by: Lina Iyer --- arch/arm/boot/dts/qcom-msm8974-pm.dtsi | 69 ++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/qcom-msm8974.dtsi | 10 +++-- 2 files changed, 75 insertions(+), 4 deletions(-) create mode 100644 arch/arm/boot/dts/qcom-msm8974-pm.dtsi diff --git a/arch/arm/boot/dts/qcom-msm8974-pm.dtsi b/arch/arm/boot/dts/qcom-msm8974-pm.dtsi new file mode 100644 index 0000000..bbfb1d5 --- /dev/null +++ b/arch/arm/boot/dts/qcom-msm8974-pm.dtsi @@ -0,0 +1,69 @@ +/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +&soc { + spm@f9089000 { + compatible = "qcom,spm-v2.1"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xf9089000 0x1000>; + qcom,cpu = <&CPU0>; + qcom,saw2-clk-div = <0x01>; + qcom,saw2-delays = <0x3C102800>; + qcom,saw2-enable = <0x01>; + qcom,saw2-spm-cmd-wfi = [03 0b 0f]; + qcom,saw2-spm-cmd-spc = [00 20 80 10 E8 5B 03 3B E8 5B 82 10 0B + 30 06 26 30 0F]; + }; + + spm@f9099000 { + compatible = "qcom,spm-v2.1"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xf9099000 0x1000>; + qcom,cpu = <&CPU1>; + qcom,saw2-clk-div = <0x01>; + qcom,saw2-delays = <0x3C102800>; + qcom,saw2-enable = <0x01>; + qcom,saw2-spm-cmd-wfi = [03 0b 0f]; + qcom,saw2-spm-cmd-spc = [00 20 80 10 E8 5B 03 3B E8 5B 82 10 0B + 30 06 26 30 0F]; + }; + + spm@f90a9000 { + compatible = "qcom,spm-v2.1"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xf90a9000 0x1000>; + qcom,cpu = <&CPU2>; + qcom,saw2-clk-div = <0x01>; + qcom,saw2-delays = <0x3C102800>; + qcom,saw2-enable = <0x01>; + qcom,saw2-spm-cmd-wfi = [03 0b 0f]; + qcom,saw2-spm-cmd-spc = [00 20 80 10 E8 5B 03 3B E8 5B 82 10 0B + 30 06 26 30 0F]; + }; + + spm@f90b9000 { + compatible = "qcom,spm-v2.1"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xf90b9000 0x1000>; + qcom,cpu = <&CPU3>; + qcom,saw2-clk-div = <0x01>; + qcom,saw2-delays = <0x3C102800>; + qcom,saw2-enable = <0x01>; + qcom,saw2-spm-cmd-wfi = [03 0b 0f]; + qcom,saw2-spm-cmd-spc = [00 20 80 10 E8 5B 03 3B E8 5B 82 10 0B + 30 06 26 30 0F]; + }; +}; diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi index 69dca2a..0580bc2 100644 --- a/arch/arm/boot/dts/qcom-msm8974.dtsi +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi @@ -14,7 +14,7 @@ #size-cells = <0>; interrupts = <1 9 0xf04>; - cpu@0 { + CPU0: cpu@0 { compatible = "qcom,krait"; enable-method = "qcom,kpss-acc-v2"; device_type = "cpu"; @@ -23,7 +23,7 @@ qcom,acc = <&acc0>; }; - cpu@1 { + CPU1: cpu@1 { compatible = "qcom,krait"; enable-method = "qcom,kpss-acc-v2"; device_type = "cpu"; @@ -32,7 +32,7 @@ qcom,acc = <&acc1>; }; - cpu@2 { + CPU2: cpu@2 { compatible = "qcom,krait"; enable-method = "qcom,kpss-acc-v2"; device_type = "cpu"; @@ -41,7 +41,7 @@ qcom,acc = <&acc2>; }; - cpu@3 { + CPU3: cpu@3 { compatible = "qcom,krait"; enable-method = "qcom,kpss-acc-v2"; device_type = "cpu"; @@ -238,3 +238,5 @@ }; }; }; + +#include "qcom-msm8974-pm.dtsi"