From patchwork Tue Oct 29 10:02:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11217549 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 690C4139A for ; Tue, 29 Oct 2019 10:06:29 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 45DE5208E3 for ; Tue, 29 Oct 2019 10:06:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PAJkh33W" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 45DE5208E3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject: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=657JfzQ3WO3EVj30GTlBH8Nx9QECBQlyxe3rdShX0Hs=; b=PAJ kh33WplZzcohBYkBbq3nn2YTB96+jGIe0vnfWYVitcxqMYNYB+bjtOsnssKr0gvhCLxUWWSyQwmZX dLMqIeIF/mOuNRQOx1IZa7CMbqNnZIMVLKodwAOhYBlPcPiUT0XzbKkPFYFI+k65CZabO8Uk5kJMg V0tlaBrlXtRdm3VOaMWAzwpys/RjCbYfSxRjYJ6E3QmurppveKzrGxk7zcL7t8jtHC8qLlXQ7AE4N 30btaAM8+XJtUmFy/j2DKZEq9WyFIsyn979EeGz+0AfCKj1H4xUW2cB80xbJQMc22SohI6Z8+/+tU SwuIwDwJ5vTULoRCUtDGL4GLzgXqK8Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iPOOQ-0005FZ-D0; Tue, 29 Oct 2019 10:06:26 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iPOOM-0005EM-IB for linux-arm-kernel@lists.infradead.org; Tue, 29 Oct 2019 10:06:24 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id DAF571A09BE; Tue, 29 Oct 2019 11:06:17 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 5A2F41A09CC; Tue, 29 Oct 2019 11:06:13 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 8253840307; Tue, 29 Oct 2019 18:06:07 +0800 (SGT) From: Anson Huang To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: dts: imx7ulp-evk: Use APLL_PFD1 as usdhc's clock source Date: Tue, 29 Oct 2019 18:02:52 +0800 Message-Id: <1572343372-6303-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191029_030622_741497_95CB395E X-CRM114-Status: GOOD ( 10.36 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.13 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux-imx@nxp.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org i.MX7ULP does NOT support runtime switching clock source for PCC, APLL_PFD1 by default is usdhc's clock source, so just use it in kernel to avoid below kernel dump during kernel boot up and make sure kernel can boot up with SD root file-system. [ 3.035892] Loading compiled-in X.509 certificates [ 3.136301] sdhci-esdhc-imx 40370000.mmc: Got CD GPIO [ 3.242886] mmc0: Reset 0x1 never completed. [ 3.247190] mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== [ 3.253751] mmc0: sdhci: Sys addr: 0x00000000 | Version: 0x00000002 [ 3.260218] mmc0: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000001 [ 3.266775] mmc0: sdhci: Argument: 0x00009a64 | Trn mode: 0x00000000 [ 3.273333] mmc0: sdhci: Present: 0x00088088 | Host ctl: 0x00000002 [ 3.279794] mmc0: sdhci: Power: 0x00000000 | Blk gap: 0x00000080 [ 3.286350] mmc0: sdhci: Wake-up: 0x00000008 | Clock: 0x0000007f [ 3.292901] mmc0: sdhci: Timeout: 0x0000008c | Int stat: 0x00000000 [ 3.299364] mmc0: sdhci: Int enab: 0x007f010b | Sig enab: 0x00000000 [ 3.305918] mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00008402 [ 3.312471] mmc0: sdhci: Caps: 0x07eb0000 | Caps_1: 0x0000b400 [ 3.318934] mmc0: sdhci: Cmd: 0x0000113a | Max curr: 0x00ffffff [ 3.325488] mmc0: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x0039b37f [ 3.332040] mmc0: sdhci: Resp[2]: 0x325b5900 | Resp[3]: 0x00400e00 [ 3.338501] mmc0: sdhci: Host ctl2: 0x00000000 [ 3.343051] mmc0: sdhci: ============================================ Signed-off-by: Anson Huang Tested-by: Fabio Estevam --- arch/arm/boot/dts/imx7ulp-evk.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts index f1093d2..a863a2b 100644 --- a/arch/arm/boot/dts/imx7ulp-evk.dts +++ b/arch/arm/boot/dts/imx7ulp-evk.dts @@ -78,7 +78,7 @@ &usdhc0 { assigned-clocks = <&pcc2 IMX7ULP_CLK_USDHC0>; - assigned-clock-parents = <&scg1 IMX7ULP_CLK_NIC1_DIV>; + assigned-clock-parents = <&scg1 IMX7ULP_CLK_APLL_PFD1>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc0>; cd-gpios = <&gpio_ptc 10 GPIO_ACTIVE_LOW>;