From patchwork Thu Apr 12 13:15:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 10338555 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4A9DF60134 for ; Thu, 12 Apr 2018 13:22:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3519B28635 for ; Thu, 12 Apr 2018 13:22:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2983E28698; Thu, 12 Apr 2018 13:22:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9D6D828635 for ; Thu, 12 Apr 2018 13:22:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=thJqyl+2LIaN1PMZUweE6o1isZ6FJ3nKtNrz7q1rk44=; b=axn a6YxwvBjTML3sE9kBR0pgxDGbt+rQp648taTzJomBdxJmCVa3JyWruvKdoNGoJWIHhdQHVldXse0T MiYwxZkSMb3kNM2cvOkl+vVJfoCJ+R+SX1ivQ2omTTJZ4Jmoh+EMyQ05RsKms2eIYDqhEVZV+Y3Ok cxTfsLN6rEva5ChM63Jr3y9E5EwbmqDbWXtF7qvTn6rAyWPBx1T33hPuqU4R7fpzcN21WrO6IVDi7 ygSrKAnUCMTCRgMHzIoMBfPlLIjFApsp0Xf0ZOT7Z6bk9xbPQw3bCuIs368oohaaZetRN6TpW/W+w ZLEGA66T4gLGNiPLGPAWgLtyKuwX+Iw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f6cBG-00086q-7N; Thu, 12 Apr 2018 13:22:26 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f6c5F-0003oS-01 for linux-arm-kernel@lists.infradead.org; Thu, 12 Apr 2018 13:16:32 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7] helo=dude.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.89) (envelope-from ) id 1f6c4z-0007Bt-EB; Thu, 12 Apr 2018 15:15:57 +0200 From: Lucas Stach To: Shawn Guo Subject: [PATCH 1/3] ARM: dts: imx6: RDU2: bump SoC/PU operating points by 25mV Date: Thu, 12 Apr 2018 15:15:54 +0200 Message-Id: <20180412131556.11073-1-l.stach@pengutronix.de> X-Mailer: git-send-email 2.16.3 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180412_061613_245617_EDC71A99 X-CRM114-Status: UNSURE ( 8.59 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fabio Estevam , patchwork-lst@pengutronix.de, Chris Healy , linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This bumps the SoC/PU domain operating points by 25mV, giving a total of 75mV margin to the minimum required voltages. This gets rid of brown-outs seen due to voltage drop-out on the board. Signed-off-by: Lucas Stach Tested-by: Chris Healy --- arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi index 72f52fcecee1..4bc14b8e9a66 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -263,6 +263,17 @@ }; }; +&cpu0 { + fsl,soc-operating-points = < + /* ARM kHz SOC-PU uV */ + 1200000 1300000 + 996000 1275000 + 852000 1275000 + 792000 1200000 + 396000 1200000 + >; +}; + ®_arm { vin-supply = <&sw1a_reg>; };