From patchwork Sun Aug 6 19:06:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Ford X-Patchwork-Id: 711022 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8331DC41513 for ; Sun, 6 Aug 2023 19:06:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229807AbjHFTGc (ORCPT ); Sun, 6 Aug 2023 15:06:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbjHFTGb (ORCPT ); Sun, 6 Aug 2023 15:06:31 -0400 Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A67F1712; Sun, 6 Aug 2023 12:06:30 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id ca18e2360f4ac-790ca0ed6d3so129791539f.3; Sun, 06 Aug 2023 12:06:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1691348789; x=1691953589; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=FtA/DXQ16Iik0MVLRswYcHvRP3Ma3gJUyRXapnCHuSU=; b=g5yQZhefWvLdV2003/eA374xxnL4k+Av25DWV3BT9LQ8LYc7uHrRw+vIxKCm8zzudc s5Uu/mIkaaAu2P3DYICFlo+4Iozq43ueYNdJtiyjyDRbSKre1fi6zRkoby1dy7idRCvj 9NcQtEBYdSSnRB0Vpr3ijiYPAy5UoBdOMAsYs9vWRVCz4SZZGZ6ckbWGkCdVVHa0GaYH MV/Qq+V0GnLC5k0lzzkYBhhMSmWW77L8T/d4mk03BF97BBidvLH+hsyg8DI61d67kGQy lLUX3KQ13o6+EtRrT3dLOWojiRm+ORgZXdo+1BwajLDHAvaWq7oJhDI0BBrUzA97Uj3a T5Cw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691348789; x=1691953589; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=FtA/DXQ16Iik0MVLRswYcHvRP3Ma3gJUyRXapnCHuSU=; b=fayFrpfF3fJcbZ/JN3JDbeaZC8GToxu1UgTW6cdIgG9Z+hTqVdoBI1gEU5cbmpPgLS H/iRNeEDzV+doLh7QTvDYZS/SfAYxsvSusMC7zvihCGWgmlJ9bT37mUct9oKAS1OFowq VUwsK7BM4nNKXMBHtHPwUneaN6dSTHYk2YCxep/VzfNfFyWS1UAdFvaxvhUCkq/NEVRU A/AIq5SNLAeMOgLLDPFAcnmJ3gqZoVmM54KMlJiv/j/ZXxdKmeevPXW+3ZArIZiIOjXb DK7qntKI3Cy1r++vUuhmP1Tz3NXwTbi7Y3oz60tuIjFkYqxd+SRjHkrf3ZcWE1R59GMQ Kwpw== X-Gm-Message-State: AOJu0YzSm3D7xPDT6BopaTSbrdQkIu3GiXFURbUx076hdmYbaQ+J1uW6 Hqd/yvPgYVRJSR7rMPCkDMk= X-Google-Smtp-Source: AGHT+IFWbyDPDi3n+1IiJNyDqVllymgmvBn0GL0USdFN0qfpO9oaRGJz4Td6pb38IM0q9HcaFt1HZg== X-Received: by 2002:a6b:6b0d:0:b0:790:d813:2d38 with SMTP id g13-20020a6b6b0d000000b00790d8132d38mr9144889ioc.11.1691348789548; Sun, 06 Aug 2023 12:06:29 -0700 (PDT) Received: from aford-B741.lan ([2601:447:d001:897f:3be6:798d:d8e6:3ba5]) by smtp.gmail.com with ESMTPSA id i24-20020a02b698000000b0042b1dd89b0bsm1982400jam.155.2023.08.06.12.06.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Aug 2023 12:06:28 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, cstevens@beaconembedded.com, Adam Ford , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Geert Uytterhoeven , Magnus Damm , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH] arm64: dts: imx8mp-beacon: Configure 100MHz PCIe Ref Clk Date: Sun, 6 Aug 2023 14:06:21 -0500 Message-Id: <20230806190622.505887-1-aford173@gmail.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org There is a I2C controlled 100MHz Reference clock used by the PCIe controller. Configure this clock's DIF1 output to be used by the PCIe. Signed-off-by: Adam Ford diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts index 06e91297fb16..332269dedeee 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts @@ -23,6 +23,12 @@ chosen { stdout-path = &uart2; }; + clk_xtal25: clk-xtal25 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + }; + connector { compatible = "usb-c-connector"; label = "USB-C"; @@ -246,6 +252,13 @@ pca6416_3: gpio@20 { interrupt-controller; #interrupt-cells = <2>; }; + + pcieclk: clk@68 { + compatible = "renesas,9fgv0241"; + reg = <0x68>; + clocks = <&clk_xtal25>; + #clock-cells = <1>; + }; }; &i2c3 { @@ -372,8 +385,9 @@ &pcie { }; &pcie_phy { + fsl,clkreq-unsupported; fsl,refclk-pad-mode = ; - clocks = <&pcie0_refclk>; + clocks = <&pcieclk 1>; clock-names = "ref"; status = "okay"; };