From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-177132.yeah.net (mail-177132.yeah.net [123.58.177.132]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 71CAC18037 for ; Sat, 15 Jun 2024 08:02:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=123.58.177.132 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718438553; cv=none; b=Opt3XvF8jJzyjkYrHtfGgsg1FzXw7qfSxFiEktHiosaOsKcxkS6aFFNEG0jrzX8T8IYw8wCW/JR3Wg+vXngemN61fErBQg0X6kvrUI3WmFo1Op58YbPdvlxqPSLW85xQxhiooAXbZAXceu3P+0gbtKVQ3urBOMOhTMB0yrIFyKM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718438553; c=relaxed/simple; bh=x2pxlxEiUhAarspns6CWBqh3UBaSsxStNYgipW6PNok=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=T8MvILU/zS1nPJ1XcHW3D7JxjadIe90AUZ2xnriJHrFiYgEx5kkM4HG8lw4I3bM++bS6ndJT3r9jYMUZbb2LiKmJsnibKNhKR8MwgdzFulx7YVTYzrelZTgKVj9YAxz+iwqI55VJC/IfQCynV43glwPWbh90ouKPVwbGUAMg9I0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net; spf=pass smtp.mailfrom=yeah.net; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b=hS2AiECz; arc=none smtp.client-ip=123.58.177.132 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yeah.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b="hS2AiECz" 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> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiDw-+ZVnxc0gsowABsG 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!