From patchwork Fri May 2 21:07:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Soren Brinkmann X-Patchwork-Id: 4105321 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 786B09F1E1 for ; Fri, 2 May 2014 21:11:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 464C320123 for ; Fri, 2 May 2014 21:11:52 +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 6E5EC20120 for ; Fri, 2 May 2014 21:11:51 +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 1WgKhh-0005nr-DX; Fri, 02 May 2014 21:09:09 +0000 Received: from mail-qg0-x231.google.com ([2607:f8b0:400d:c04::231]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WgKhf-0005mA-H9 for linux-arm-kernel@lists.infradead.org; Fri, 02 May 2014 21:09:08 +0000 Received: by mail-qg0-f49.google.com with SMTP id j5so5259576qga.36 for ; Fri, 02 May 2014 14:08:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id; bh=Ztz9dvRGbx6JA/OvpeyntII+x8KjTZAziePfQQvgIHQ=; b=JdAo4U5exCikzES0vcpTlye7Z2Vvert2M3DxDdBMqbKf1F+YgpvHCv9NsyLTrXUuL9 8+DkAk2RTQBPSSfiOTQeHV2p4L7wZ5zHEdgOUDVlbKyxcApjRbHEdKdMTWCHhmqJMZGt iBl1LqMSTVXVoSG3Hmetlhu4veMsIVyLtNQHG/xaO0Rpr60CaNbcNNg2I1R377IWZo76 RqP6Yh4WrvNe1N4g0cmIPOY28VeMkEvl/CR8T363zFEnpEjyFRJUgO0RLuP+YSpbagQv c1S+WIl9lZZIatOmjZjDTCCl0s/MdY6Fkr5wUfcCnTkhgnuHHu65vZLcI3lXVPj5N7AC 4mIg== X-Received: by 10.140.37.135 with SMTP id r7mr24161180qgr.61.1399064923364; Fri, 02 May 2014 14:08:43 -0700 (PDT) Received: from localhost ([149.199.62.254]) by mx.google.com with ESMTPSA id 104sm198531qgq.1.2014.05.02.14.08.41 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Fri, 02 May 2014 14:08:42 -0700 (PDT) From: Soren Brinkmann To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Michal Simek Subject: [PATCH] ARM: zynq: dt: Add a fixed regulator for CPU voltage Date: Fri, 2 May 2014 14:07:32 -0700 Message-Id: <1399064852-19569-1-git-send-email-soren.brinkmann@xilinx.com> X-Mailer: git-send-email 1.9.2.1.g06c4abd X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140502_140907_640311_4464CFDF X-CRM114-Status: UNSURE ( 9.87 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) Cc: Soren Brinkmann , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, git@xilinx.com 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: , 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=-2.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, RP_MATCHES_RCVD, T_DKIM_INVALID, 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 To silence the warning cpufreq_cpu0: failed to get cpu0 regulator: -19 from the cpufreq driver regarding a missing regulator, add a fixed regulator to the DT. Zynq does not support voltage scaling and the CPU rail should always be supplied with 1 V, hence it is added in the SOC-level dtsi. Signed-off-by: Soren Brinkmann --- arch/arm/boot/dts/zynq-7000.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi index c1176abc34d9..64779f9d5c38 100644 --- a/arch/arm/boot/dts/zynq-7000.dtsi +++ b/arch/arm/boot/dts/zynq-7000.dtsi @@ -25,6 +25,7 @@ reg = <0>; clocks = <&clkc 3>; clock-latency = <1000>; + cpu0-supply = <®ulator_vccpint>; operating-points = < /* kHz uV */ 666667 1000000 @@ -48,6 +49,15 @@ reg = < 0xf8891000 0x1000 0xf8893000 0x1000 >; }; + regulator_vccpint: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "VCCPINT"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + }; + amba { compatible = "simple-bus"; #address-cells = <1>;