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 CDC73106FD91 for ; Fri, 13 Mar 2026 07:10:42 +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:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=RUvP+PLVODb+ieOKtek0pZZYyg9UhY5kr3fWr/Wlssk=; b=zomSfds7aY6Cd8hkBDjXsJsozx JXsssRvRi7dEfTkfXTjY/HF1Ft3EA5Uk5aK3afnGDHEnVoAuBv1OdzJRWbnsol5WvYvzaImZkzlDU BSEHlR/mVjg7RHKi+zJTstehobgEuBbIVFWbyrYP77V35LFlW4hqrJKNijQ00auYIAbqw7+myrs0z Qat+pzm9ZJTVUSytMOe58Hu9/7FFkQA2IR0I4WLnD4r0t33sEKKkcAHbd+vG9wM1DnM4tp6lXjiUS 4FzCL6u8Kqe7CnG7fca5fmemNaUKZmdTVCNVyTdTp7hCyTSUWZugpCUnh7v1G/8uZm5Wgke3/+Wj4 B+KHvMKg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0wfM-0000000GzDZ-06AT; Fri, 13 Mar 2026 07:10:36 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0wfK-0000000GzCJ-1plC for linux-arm-kernel@bombadil.infradead.org; Fri, 13 Mar 2026 07:10:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=RUvP+PLVODb+ieOKtek0pZZYyg9UhY5kr3fWr/Wlssk=; b=He4cE+BZUGUQ1FEqH/w9kpQhhu gdjw6UnYDovQyUAq8PiYWVpWo5MazYtkmgp6t1B4PmT/MrvuPqQuHDXJ03xINqBLw08omrxehlnL8 WPzO27z1B1/XL/HlneOtaBA7wE8CkgJ52PBJPVYyCTn6AafCQVlxBqaQ7uaYF4kax5SiNyBP9wtAd LSGrJtCSSNL3JfJzywj8Zv6LUFTpjs7wjaIFjvp8E5Mh7Mj6hF/xzxkyXND/MSuDIk48v03KvgrYf GbdrqJzbAG/7BVpyO/TuGR6eMyd70XWCM/JFTqmvp8wyMqmFQNuB+1r1fLRJRX+CSMFX/FqXsUOa0 QXyi/qzQ==; Received: from www537.your-server.de ([188.40.3.216]) by desiato.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0wfG-00000002jD2-1mZX for linux-arm-kernel@lists.infradead.org; Fri, 13 Mar 2026 07:10:32 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ew.tq-group.com; s=default2602; h=Content-Transfer-Encoding:MIME-Version: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References; bh=RUvP+PLVODb+ieOKtek0pZZYyg9UhY5kr3fWr/Wlssk=; b=Vwa8XHAsYt2p3Nlf4ZAfxZSjec sXXWaxButbpQ1XPmpw6glWoWj0lRdHtSlPpDACL/LMdCHveB9hd9PeEHA+l7DoUCiNr/idXpJaQvt YHVm43KZAHQHzPXeeDKDE5PajYQQqvj1nO3IojrZjKlEIgPoiSoSEpVYsUahrS+VY4+Y2LuTdWNd5 j5+C+dlNyvQK7AGif6stLCPAou8Xh4PEmnRQh31rWOGeH6AphXK7Z/1Quute7TXzlee3dcsi+owH+ IsKRmwr+og2x+1LOqezMJ93XU5/c7GIMYAVu3S+Iw8sNc0j5mtgGpE4RIkRS48ZIUBCfwPfOTQuS5 oPaCs7Tg==; Received: from sslproxy07.your-server.de ([78.47.199.104]) by www537.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1w0wfF-000D0x-3D; Fri, 13 Mar 2026 08:10:30 +0100 Received: from localhost ([127.0.0.1]) by sslproxy07.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w0wfF-000Eou-1Y; Fri, 13 Mar 2026 08:10:29 +0100 From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Alexander Stein , linux@ew.tq-group.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/3] arm64: dts: imx8mm: Explicitly set DSI_PHY_REF clock as a child of CLK_24M Date: Fri, 13 Mar 2026 08:10:23 +0100 Message-ID: <20260313071027.587992-1-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Scanned: Clear (ClamAV 1.4.3/27938/Thu Mar 12 07:24:01 2026) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260313_071030_779729_952C6E3F X-CRM114-Status: UNSURE ( 8.46 ) 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 Since commits a0deedcc0cf0 ("arm64: dts: imx8mm: Slow default video_pll1 clock rate") and 5fe6ec93f10b0 ("clk: imx8mm: Let IMX8MM_CLK_LCDIF_PIXEL set parent rate") VIDEO_PLL1 is dynamically programmed by CLK_LCDIF_PIXEL. On imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso this results in a VIDEO_PLL1 frequency of 68.2 MHz and DSI_PHY_REF of 17.05MHz (1/4). Instead use the 24 MHz clock as parent for DSI PHY reference clock. Signed-off-by: Alexander Stein --- Changes in v2: * None arch/arm64/boot/dts/freescale/imx8mm.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index f2e1854f38a0a..eb23ca27e8597 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -1149,8 +1149,10 @@ mipi_dsi: dsi@32e10000 { clocks = <&clk IMX8MM_CLK_DSI_CORE>, <&clk IMX8MM_CLK_DSI_PHY_REF>; clock-names = "bus_clk", "sclk_mipi"; - assigned-clocks = <&clk IMX8MM_CLK_DSI_CORE>; - assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_266M>; + assigned-clocks = <&clk IMX8MM_CLK_DSI_CORE>, + <&clk IMX8MM_CLK_DSI_PHY_REF>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_266M>, + <&clk IMX8MM_CLK_24M>; interrupts = ; power-domains = <&disp_blk_ctrl IMX8MM_DISPBLK_PD_MIPI_DSI>; status = "disabled"; -- 2.43.0