From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EA162C27C53 for ; Sat, 15 Jun 2024 08:02:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=wz/HDpQ1Wcm2r9gVMmqQ23mmKsaL2wCwcHzLe2aqIRI=; b=JAhkinZkhZRMZzoxEYnAkJATSK oaOtwuQiEirgMbp7sE8jqeTNFBCQPYoDxfFQoKQQf2lJEkZencvqEDxfkYyvEtlpOfek8dPwOFlIL 0e4w/aC0vjgWhC2asfARtCiY+VVZ0nmCcT43akl2bbl38rBYAAKAYO9CzGjBe0gbygalcLQnPGCp8 K4w5D3YqGJAbCvhcRy56Nj/rp4adGlPNf7xqibus93Irm8gswEclle5kJ35x7lY1mVzY9oTFQqrM8 wGF+9C2S73bvEuj0+aPboErfSKXB41naZ3fe3peowxDFh+erzZrolANsLVPGUnOesPi75oJSTsVPP Mw4rGYCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sIOMb-00000004xB8-1Tsa; Sat, 15 Jun 2024 08:02:17 +0000 Received: from mail-177132.yeah.net ([123.58.177.132]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sIOMY-00000004xAD-2BCM for linux-arm-kernel@lists.infradead.org; Sat, 15 Jun 2024 08:02:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=Date:From:Subject:Message-ID:MIME-Version: Content-Type; bh=wz/HDpQ1Wcm2r9gVMmqQ23mmKsaL2wCwcHzLe2aqIRI=; b=hS2AiECzTKSuAk50RcYDOKyg6ZCSTcCIl5ikYG3LRjPYleEeyFaPPobioQjpib VtxouwX1y8hiQk0NXyhq9XCZObGl24euzyi2kTTiXhJqw31j6XXjx/3qvjCgYkmQ 5ib1gU8mQvDbkZ3IFFyOVNLdd5L6pyxiOEMgPlUdJOfRk= Received: from dragon (unknown [114.216.76.201]) by smtp2 (Coremail) with SMTP id C1UQrAD334xrSm1mgdS0CA--.18715S3; Sat, 15 Jun 2024 16:01:48 +0800 (CST) Date: Sat, 15 Jun 2024 16:01:46 +0800 From: Shawn Guo To: Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, kernel@dh-electronics.com Subject: Re: [PATCH] arm64: dts: imx8mp: Fix TC9595 input clock on DH i.MX8M Plus DHCOM SoM Message-ID: References: <20240513020454.127584-1-marex@denx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240513020454.127584-1-marex@denx.de> X-CM-TRANSID: C1UQrAD334xrSm1mgdS0CA--.18715S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrAr1UXr48Aw4UWr4rXr43Jrb_yoWxWwb_Xa n3AF12kr95Gw18KwnIyF4Yqr4kC3sxCry5J397trs3Gan7KF98Z34Fqr1Svr1jq3y3Kr1D WFn7Wa18JrZxZjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU8P73PUUUUU== X-Originating-IP: [114.216.76.201] X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiDw-+ZVnxc0gsowABsG X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240615_010215_032906_D5C24C7E X-CRM114-Status: UNSURE ( 7.36 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, May 13, 2024 at 04:04:39AM +0200, Marek Vasut wrote: > The IMX8MP_CLK_CLKOUT2 supplies the TC9595 bridge with 13 MHz reference > clock. The IMX8MP_CLK_CLKOUT2 is supplied from IMX8MP_AUDIO_PLL2_OUT. > The IMX8MP_CLK_CLKOUT2 operates only as a power-of-two divider, and the > current 156 MHz is not power-of-two divisible to achieve 13 MHz. > > To achieve 13 MHz output from IMX8MP_CLK_CLKOUT2, set IMX8MP_AUDIO_PLL2_OUT > to 208 MHz, because 208 MHz / 16 = 13 MHz. > > Fixes: 20d0b83e712b ("arm64: dts: imx8mp: Add TC9595 bridge on DH electronics i.MX8M Plus DHCOM") > Signed-off-by: Marek Vasut Applied, thanks!