From patchwork Mon Apr 18 21:19:44 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akshay Bhat X-Patchwork-Id: 8875441 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 5E76C9F36E for ; Mon, 18 Apr 2016 21:22:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9113C201DD for ; Mon, 18 Apr 2016 21:22:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6E62C201BC for ; Mon, 18 Apr 2016 21:22:23 +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 1asGbb-0004Zr-EM; Mon, 18 Apr 2016 21:21:15 +0000 Received: from mail-qg0-x233.google.com ([2607:f8b0:400d:c04::233]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1asGbY-0004LT-UV for linux-arm-kernel@lists.infradead.org; Mon, 18 Apr 2016 21:21:13 +0000 Received: by mail-qg0-x233.google.com with SMTP id c6so127116162qga.1 for ; Mon, 18 Apr 2016 14:20:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=timesys-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=kKUhfqVrvWgkGrKy1WKrc0lP+WaCNxGUwD6L4d3nhs4=; b=u/fwxYlzyqUM7QtjnK1xU/AAoBfxd8RKlNNISpcv/IquwpFEkyaOxpoBTcLSwq69dR OUdkGFBIuh6YNFMG/nHsEJCGLFkphDv0o/8c2uWNjC5Zr88+1hO6w0Kis8vAMxuDvxPf C0KKI7mjF/AF7mbyBZCIG41gbRwzNWkeVAmVFCupR+shDns2tF2bseU05cD+Rgc4sAbx NRMPcbEhhdSM2A1HKPULADQGPr5epox8is+yVPk/Hh2Yl9eYAn/H/ZQW3fUXVatiH24y 2IxSyJ6Kz6eOsfLMKQpUTjws/5rwqHB3QaeXEXLoAIeAazsUI1ZFD6Ef9TE5m2MXYSN+ ItjA== 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=kKUhfqVrvWgkGrKy1WKrc0lP+WaCNxGUwD6L4d3nhs4=; b=HmYHhlqzCxSfmcI9LaOFlSgJcxyu8Tkbw6suNZ9o1JLMH27IiKtbaOBKm1gaQeAGxn i1xEA7sO3SUKHrbYP9M+1ZxFNWGFJV6gXLqKcDccpJzehIhRxxSvhXzpK9H7nbCaxAno BHoB+B5vSXYsplM45C23KGfuqaa03TwWuZaTUQNRbM7i8kC9EWhZy+SLpgdPATdeFVg+ dy5fxl28IqDmygewnPYnjf6skCHm10yNMMxne/MkbiC2N65C0WWN2d6HJXrQUucAMwcZ YkCU2+DOUPJNfzNwqFh3xmhBSohkQ4vPf4ONQ/vUc5zvIzR9jqj6pQoiC1W+kmlANi7O RQ2A== X-Gm-Message-State: AOPr4FVpY381aicodQFr1oe4qa32/cWLcXkG9fhNb61A0lE3CIqBkegO7TGLFv1TfWckF/81 X-Received: by 10.55.165.22 with SMTP id o22mr33809455qke.0.1461014451823; Mon, 18 Apr 2016 14:20:51 -0700 (PDT) Received: from timesysab.timesys.com ([96.94.100.129]) by smtp.gmail.com with ESMTPSA id s67sm27350761qgs.48.2016.04.18.14.20.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 18 Apr 2016 14:20:51 -0700 (PDT) From: Akshay Bhat To: shawnguo@kernel.org Subject: [PATCH 2/3] ARM: dts: imx6q-b850v3: Update display clock source Date: Mon, 18 Apr 2016 17:19:44 -0400 Message-Id: <1461014385-26027-2-git-send-email-akshay.bhat@timesys.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1461014385-26027-1-git-send-email-akshay.bhat@timesys.com> References: <1461014385-26027-1-git-send-email-akshay.bhat@timesys.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160418_142113_059304_E374BC27 X-CRM114-Status: GOOD ( 10.71 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Akshay Bhat , 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-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,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 The default monitor that ships with B850v3 requires a 65MHz pixel clock. 65MHz can not be achieved using PLL3 (480MHz/7=68.5MHz). Hence set the LDB_DIx clock source to PLL5. Since PLL5 is already in use by IPU1_DIx, set the clock source for IPU1_DIx to PLL2_PFD2 to allow simultaneous display on both LVDS and HDMI interface. Signed-off-by: Akshay Bhat --- arch/arm/boot/dts/imx6q-b850v3.dts | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/imx6q-b850v3.dts b/arch/arm/boot/dts/imx6q-b850v3.dts index dc4b06f..167f744 100644 --- a/arch/arm/boot/dts/imx6q-b850v3.dts +++ b/arch/arm/boot/dts/imx6q-b850v3.dts @@ -53,11 +53,18 @@ }; }; -&ldb { +&clks { assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>, - <&clks IMX6QDL_CLK_LDB_DI1_SEL>; - assigned-clock-parents = <&clks IMX6QDL_CLK_PLL3_USB_OTG>, - <&clks IMX6QDL_CLK_PLL3_USB_OTG>; + <&clks IMX6QDL_CLK_LDB_DI1_SEL>, + <&clks IMX6QDL_CLK_IPU1_DI0_PRE_SEL>, + <&clks IMX6QDL_CLK_IPU1_DI1_PRE_SEL>; + assigned-clock-parents = <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>, + <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>, + <&clks IMX6QDL_CLK_PLL2_PFD2_396M>, + <&clks IMX6QDL_CLK_PLL2_PFD2_396M>; +}; + +&ldb { fsl,dual-channel; status = "okay";