From patchwork Mon Jun 24 21:14:47 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 2773651 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 904859F245 for ; Mon, 24 Jun 2013 21:15:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B39CE2024E for ; Mon, 24 Jun 2013 21:15:27 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9B07820230 for ; Mon, 24 Jun 2013 21:15:26 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UrE6Z-0001eC-91; Mon, 24 Jun 2013 21:15:19 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UrE6W-0005WW-7k; Mon, 24 Jun 2013 21:15:16 +0000 Received: from moutng.kundenserver.de ([212.227.126.171]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UrE6T-0005Vr-1F for linux-arm-kernel@lists.infradead.org; Mon, 24 Jun 2013 21:15:13 +0000 Received: from axis700.grange (dslb-178-001-231-216.pools.arcor-ip.net [178.1.231.216]) by mrelayeu.kundenserver.de (node=mreu1) with ESMTP (Nemesis) id 0LpAhs-1UNMvk11RE-00f78A; Mon, 24 Jun 2013 23:14:48 +0200 Received: by axis700.grange (Postfix, from userid 1000) id BA30B40BB4; Mon, 24 Jun 2013 23:14:47 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by axis700.grange (Postfix) with ESMTP id B80C840BB3; Mon, 24 Jun 2013 23:14:47 +0200 (CEST) Date: Mon, 24 Jun 2013 23:14:47 +0200 (CEST) From: Guennadi Liakhovetski X-X-Sender: lyakh@axis700.grange To: linux-sh@vger.kernel.org Subject: [PATCH v3 3/4] ARM: shmobile: ape6evm: add CPUFreq support Message-ID: MIME-Version: 1.0 X-Provags-ID: V02:K0:BKigwtkUZFcqoM6j+60a1TeSZesIRWtbRPcyFJOUQla 8WtTF4EU/MtOsBfr8lv6wB2XZPVfqNMOOfP1b4xP+rwWP1TIZK WSXFxMnNRYfYt05JCa218KRTmOAYo5cTR60Nc6s7NrpcXqzBDz rjWRAxEI2n09lSGaZl0QQlLssM7S2bCZ32u0pCNUQiOZVDAaEi KtlT3F2ZpWiWH08JYr89/RpoiofyT9yL6+H8kKlTsMYgQ0gtQP L5oW16V7oycqcwDwAVS6GT3f77F25rREHcLrFhu41OGSaW5aaC vL/YOwvM6izow6qjdSpesW13LIw0riLOeYw0mfLMR6fTVVG58h tBKGeAEwy2gxlLaR6RlEq00PREe02UYX3DXK7MHQ4y82A7CKqs 8b6yx2TZNbx/w== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130624_171513_316286_6690130D X-CRM114-Status: GOOD ( 10.81 ) X-Spam-Score: -3.0 (---) Cc: Mark Brown , Simon Horman , Magnus Damm , linux-arm-kernel@lists.infradead.org, Sergei Shtylyov X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.3 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_MED, 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 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 --- v3: fix a typo s/maxium/maxim/ arch/arm/boot/dts/r8a73a4-ape6evm.dts | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm.dts b/arch/arm/boot/dts/r8a73a4-ape6evm.dts index 4fb0102..27c5e06 100644 --- a/arch/arm/boot/dts/r8a73a4-ape6evm.dts +++ b/arch/arm/boot/dts/r8a73a4-ape6evm.dts @@ -52,3 +52,25 @@ }; }; }; + +&i2c5 { + vdd_dvfs: max8973@1b { + compatible = "maxim,max8973"; + reg = <0x1b>; + + 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% */ +};