From patchwork Wed Jun 24 13:59:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 6667931 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1E5609F399 for ; Wed, 24 Jun 2015 14:00:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E56032053C for ; Wed, 24 Jun 2015 14:00:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 391F8206E0 for ; Wed, 24 Jun 2015 14:00:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753064AbbFXN7r (ORCPT ); Wed, 24 Jun 2015 09:59:47 -0400 Received: from mail-wg0-f54.google.com ([74.125.82.54]:35119 "EHLO mail-wg0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752443AbbFXN7T (ORCPT ); Wed, 24 Jun 2015 09:59:19 -0400 Received: by wgbhy7 with SMTP id hy7so37127013wgb.2 for ; Wed, 24 Jun 2015 06:59:18 -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=pJ0jo6vNsnVcSNN8gY2/xKo4K73G9iW/KetWVHyPpKk=; b=knP3+M7ZhsLua1rIgD8WvlQs8l49tDzXPxFaSypO1C4NMU2Ur4+wNPeo1RUHW4sAda 4bYf7EyDa1SlZWNvmSNYq0WcCpqKWqKbProHr+3xg3EeeH4cTX6lrtL4uON9pFAu5Rnw hDR2V7Nud7bLNoigmSKVK0r5zRS0p6Je54A+BKcdRA/iwsBzMcQC3PjLkDp98xDJaO8Q vYnT9W5v1Vg1tIBS3ilSFiINuFk50x1JyO7llZFDaYNvNij8uhtmGWQ9FkD6V44Q5ARz qpmzT1wpPT7L3Ea+qgegAFYBZZj0hVWZHGy8gTW8IRdYkwKEOdiOcek5jgDl9KEFLPF3 MQLA== X-Gm-Message-State: ALoCoQnoV1QYMl0S9mvgxs7tZuMDUeElnL9lj9LzO514M3fiOE2m7iaMjLeVGg/r3C2G0G4I+07T X-Received: by 10.180.9.7 with SMTP id v7mr5229316wia.60.1435154358485; Wed, 24 Jun 2015 06:59:18 -0700 (PDT) Received: from localhost.localdomain (host81-129-169-163.range81-129.btcentralplus.com. [81.129.169.163]) by mx.google.com with ESMTPSA id q2sm40833925wjz.15.2015.06.24.06.59.16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 24 Jun 2015 06:59:17 -0700 (PDT) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: kernel@stlinux.com, rjw@rjwysocki.net, viresh.kumar@linaro.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, ajitpal.singh@st.com, Lee Jones Subject: [PATCH v2 1/9] ARM: STi: STiH407: Provide generic (safe) DVFS configuration Date: Wed, 24 Jun 2015 14:59:00 +0100 Message-Id: <1435154348-28840-2-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1435154348-28840-1-git-send-email-lee.jones@linaro.org> References: <1435154348-28840-1-git-send-email-lee.jones@linaro.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 You'll notice that the voltage cell is populated with 0's. Voltage information is very platform specific, even depends on 'cut' and 'substrate' versions. Thus it is left blank for a generic (safe) implementation. If other nodes/properties are provided by the bootloader, the ST CPUFreq driver will over-ride these generic values. Signed-off-by: Lee Jones --- arch/arm/boot/dts/stih407-family.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi index be201aa..2680ac7 100644 --- a/arch/arm/boot/dts/stih407-family.dtsi +++ b/arch/arm/boot/dts/stih407-family.dtsi @@ -22,11 +22,21 @@ device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0>; + /* kHz uV */ + operating-points = <1500000 0 + 1200000 0 + 800000 0 + 500000 0>; }; cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <1>; + /* kHz uV */ + operating-points = <1500000 0 + 1200000 0 + 800000 0 + 500000 0>; }; };