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 A88FDC25B4F for ; Mon, 13 May 2024 02:05:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:Cc :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=KzN0b/cFF852ocFz3mVutG3Xw72qzzRBtrLms1E62K4=; b=h2us5Vz0qUjsii aK/cUocNgW23ecFok9n1kElUZS11fCJqAiTd+e9Qlh3sqpEKjrz5X+ltOfzgece7yvPZN+YAPChSK iKkD4jX/C4Ik1nah+k/84GVaLLxSf8SRSygUYz/qVAIsr4JM5NRBryfaaj8k4S1TqLiiLwUU+fmMq 2kxbbZ33+PJPaN8C00rbMvG9C+1aHlkDg92Wys3njlSOSYuJ8ZrRFECgvHgChr6xo8+PGduAw7/uK gZOdhZsthMZCD2zNtcNQWBv0zUOkNkIYDotglnqt/vQDb2eWmUhQIHtvKqrjRxolEJaFy22xoA+8f W+bcwrP4/270Qx5Oexhw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s6L44-0000000BL62-2v68; Mon, 13 May 2024 02:05:20 +0000 Received: from phobos.denx.de ([2a01:238:438b:c500:173d:9f52:ddab:ee01]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s6L41-0000000BL4E-1UST for linux-arm-kernel@lists.infradead.org; Mon, 13 May 2024 02:05:19 +0000 Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id CEEC488116; Mon, 13 May 2024 04:05:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1715565909; bh=tTs3SgAZz3M4fFgZyEds7/0nwHr1qmH1+Ulr0vH+QKw=; h=From:To:Cc:Subject:Date:From; b=k8azgD8eSZoUc1SdSYM9g1y5dF6b+iRM6I+W6gBbz3eE6lNa3CwaCHmQI2si+tjib AamXCwBphyApwW/3ghpyiPxc0juP6Slw9y5glS+1wl0MInTBspcV72E84hjhlORaNB bEoiuCRyLVLzoRsOZnkAZCUceXHeBtC3TP5WT4yCpVNuvcwv96w95ngM9asyA2PNYz +dPQb536hhcwpbPw93RVzZLlxXo86rE6gmfdOGGphrhWFlprPh68bo6bDks81K5Jv4 Xi9B50HT4Y8O52BNG2MozipE2CZkM6403i8od4Gd0ezFIivio6lWQlYiOSjChIe4JG xfRX1cn/uSBag== From: Marek Vasut To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , 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: [PATCH] arm64: dts: imx8mp: Fix TC9595 input clock on DH i.MX8M Plus DHCOM SoM Date: Mon, 13 May 2024 04:04:39 +0200 Message-ID: <20240513020454.127584-1-marex@denx.de> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240512_190517_564525_7D41B540 X-CRM114-Status: GOOD ( 11.16 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- Cc: Conor Dooley Cc: Fabio Estevam Cc: Krzysztof Kozlowski Cc: Pengutronix Kernel Team Cc: Rob Herring Cc: Sascha Hauer Cc: Shawn Guo Cc: devicetree@vger.kernel.org Cc: imx@lists.linux.dev Cc: kernel@dh-electronics.com Cc: linux-arm-kernel@lists.infradead.org --- arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi index 882186d96f58b..4d30f74622a18 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi @@ -254,7 +254,7 @@ tc_bridge: bridge@f { <&clk IMX8MP_CLK_CLKOUT2>, <&clk IMX8MP_AUDIO_PLL2_OUT>; assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL2_OUT>; - assigned-clock-rates = <13000000>, <13000000>, <156000000>; + assigned-clock-rates = <13000000>, <13000000>, <208000000>; reset-gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>; status = "okay"; -- 2.43.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel