From patchwork Fri Jun 21 07:10:37 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 2760501 Return-Path: X-Original-To: patchwork-linux-sh@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 314BE9F756 for ; Fri, 21 Jun 2013 07:10:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2C309201D5 for ; Fri, 21 Jun 2013 07:10:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 30298201D7 for ; Fri, 21 Jun 2013 07:10:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753195Ab3FUHKo (ORCPT ); Fri, 21 Jun 2013 03:10:44 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:61163 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758744Ab3FUHKl (ORCPT ); Fri, 21 Jun 2013 03:10:41 -0400 Received: from axis700.grange (dslb-084-061-108-118.pools.arcor-ip.net [84.61.108.118]) by mrelayeu.kundenserver.de (node=mreu3) with ESMTP (Nemesis) id 0MWtTj-1Umm8R1Ckl-00XvQT; Fri, 21 Jun 2013 09:10:40 +0200 Received: from 6a.grange (6a.grange [192.168.1.11]) by axis700.grange (Postfix) with ESMTPS id C2B4F40BB6; Fri, 21 Jun 2013 09:10:39 +0200 (CEST) Received: from lyakh by 6a.grange with local (Exim 4.72) (envelope-from ) id 1UpvUU-0002kO-G8; Fri, 21 Jun 2013 09:10:38 +0200 From: Guennadi Liakhovetski To: linux-sh@vger.kernel.org Cc: Magnus Damm , Simon Horman , linux-arm-kernel@lists.infradead.org, Guennadi Liakhovetski Subject: [PATCH 3/4] ARM: shmobile: ape6evm: add CPUFreq support Date: Fri, 21 Jun 2013 09:10:37 +0200 Message-Id: <1371798638-10530-4-git-send-email-g.liakhovetski@gmx.de> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1371798638-10530-1-git-send-email-g.liakhovetski@gmx.de> References: <1371798638-10530-1-git-send-email-g.liakhovetski@gmx.de> X-Provags-ID: V02:K0:FMrztorG7IQX6jo/kPb2/zMvTxx8JtaBCqzsJk3CATX adqnfQCnGwYz7r0COxUGSjXNjeuU+7fws6Ilhd30mpuO6ieW+e uy23L1msUdf+eCz1w/Bg1fGuaCeSQ1/gFmNaeWhLSGyHEDlYEZ raU0ZVA22Akmnwi/qkuFTyuWYuAotsMpwZpo7PgnX+5s/gzgJe EXlZ75RPgjADfdDK79RXlGPvRBedYG2wP5lJe4qDXqRhFf16ux UHsFAIHrURADKNFgxUvogWQ3SzeoYe2hvQeLBDX+2cCq1v2Ug2 QzWH0aL8vdfUzlylRbseBugX06PuSwlLDlxBavHmxiqoQsYjaP A39yfu0clEMgbgDkynzI9eVkvaH8eP8I09LExsz/yLKeJEv1Y4 V00pvrB50alNw== Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-8.4 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 This patch adds OPPs to the CA15 DT node and a max8973 DT node to support clock and voltage scaling, using the cpufreq-cpu0 CPUFreq driver. Signed-off-by: Guennadi Liakhovetski --- arch/arm/boot/dts/r8a73a4-ape6evm.dts | 26 ++++++++++++++++++++++++++ 1 files changed, 26 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm.dts b/arch/arm/boot/dts/r8a73a4-ape6evm.dts index 4fb0102..af6bd40 100644 --- a/arch/arm/boot/dts/r8a73a4-ape6evm.dts +++ b/arch/arm/boot/dts/r8a73a4-ape6evm.dts @@ -52,3 +52,29 @@ }; }; }; + +&i2c5 { + max8973@1b { + compatible = "maxium,max8973"; + reg = <0x1b>; + + regulators { + vdd_dvfs: dcdc { + regulator-min-microvolt = <935000>; + regulator-max-microvolt = <1200000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; +}; + +&cpu0 { + cpu0-supply = <&vdd_dvfs>; + operating-points = < + /* kHz uV */ + 1950000 1115000 + 1462500 995000 + >; + voltage-tolerance = <1>; /* 1% */ +};