From patchwork Tue Dec 2 14:06:27 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Morten Rasmussen X-Patchwork-Id: 5420461 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 2D826BEEA8 for ; Tue, 2 Dec 2014 14:11:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2C45020295 for ; Tue, 2 Dec 2014 14:11:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 321332028D for ; Tue, 2 Dec 2014 14:11:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932172AbaLBOKL (ORCPT ); Tue, 2 Dec 2014 09:10:11 -0500 Received: from service87.mimecast.com ([91.220.42.44]:39734 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753421AbaLBOG7 (ORCPT ); Tue, 2 Dec 2014 09:06:59 -0500 Received: from cam-owa1.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) by service87.mimecast.com; Tue, 02 Dec 2014 14:06:58 +0000 Received: from e105550-lin.cambridge.arm.com ([10.1.255.212]) by cam-owa1.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 2 Dec 2014 14:06:56 +0000 From: Morten Rasmussen To: peterz@infradead.org, mingo@redhat.com Cc: dietmar.eggemann@arm.com, vincent.guittot@linaro.org, pjt@google.com, bsegall@google.com, mturquette@linaro.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Jon Medhurst , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King Subject: [RFC PATCH 05/10] ARM: vexpress: Add CPU clock-frequencies to TC2 device-tree Date: Tue, 2 Dec 2014 14:06:27 +0000 Message-Id: <1417529192-11579-6-git-send-email-morten.rasmussen@arm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1417529192-11579-1-git-send-email-morten.rasmussen@arm.com> References: <1417529192-11579-1-git-send-email-morten.rasmussen@arm.com> X-OriginalArrivalTime: 02 Dec 2014 14:06:56.0994 (UTC) FILETIME=[3B9EEC20:01D00E39] X-MC-Unique: 114120214065801601 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 From: Dietmar Eggemann To enable the parsing of clock frequency and cpu efficiency values inside parse_dt_topology [arch/arm/kernel/topology.c] to scale the relative capacity of the cpus, this property has to be provided within the cpu nodes of the dts file. The patch is a copy of 'ARM: vexpress: Add CPU clock-frequencies to TC2 device-tree' (commit 8f15973ef8c3) taken from Linaro Stable Kernel (LSK) massaged into mainline. Cc: Jon Medhurst Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Cc: Russell King Signed-off-by: Dietmar Eggemann --- arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts index 322fd15..62f89e2 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts @@ -39,6 +39,7 @@ reg = <0>; cci-control-port = <&cci_control1>; cpu-idle-states = <&CLUSTER_SLEEP_BIG>; + clock-frequency = <1000000000>; }; cpu1: cpu@1 { @@ -47,6 +48,7 @@ reg = <1>; cci-control-port = <&cci_control1>; cpu-idle-states = <&CLUSTER_SLEEP_BIG>; + clock-frequency = <1000000000>; }; cpu2: cpu@2 { @@ -55,6 +57,7 @@ reg = <0x100>; cci-control-port = <&cci_control2>; cpu-idle-states = <&CLUSTER_SLEEP_LITTLE>; + clock-frequency = <800000000>; }; cpu3: cpu@3 { @@ -63,6 +66,7 @@ reg = <0x101>; cci-control-port = <&cci_control2>; cpu-idle-states = <&CLUSTER_SLEEP_LITTLE>; + clock-frequency = <800000000>; }; cpu4: cpu@4 { @@ -71,6 +75,7 @@ reg = <0x102>; cci-control-port = <&cci_control2>; cpu-idle-states = <&CLUSTER_SLEEP_LITTLE>; + clock-frequency = <800000000>; }; idle-states {