From patchwork Thu Oct 24 13:06:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francesco Dolcini X-Patchwork-Id: 13848955 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 A9C70CE8E70 for ; Thu, 24 Oct 2024 13:12:30 +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:References:In-Reply-To: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:List-Owner; bh=081XwwT3SpMBjNjgf6iNtj/s3WBFhspA1TJEtsraTTY=; b=SUpGeRiycq37SLWsRdbHovGval 35clnuZOM/Ku8iTXVo6nNgOeOwykkUHW06hK0SIqZNj/YC/m5i5uhkRds8C5D1LL9DDPTkLg0tLsc Hk4XAm0OEBw/TFbmTDmhedrQkiw+RDpClYlh22M2NeT0QNxsdvF4oAgNIhlPzuIHuTi+vj6PH6w/d z6ZmgIrAiD/bnrxqhV9AzYiN1dsuKWe9XJxNMq9QFhzScmN9KVxKrIQL8wenNcrznAEiPbsxgacLf F2vTq5SsWlwH1hv73M8+/tqETi0rqzsUtJ+zyO0zIrPwhizARmdaBHqFeKirB/RD4eXlTXOF8En0t dZWmMqsA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t3xdT-00000000SCj-2BTq; Thu, 24 Oct 2024 13:12:19 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t3xYK-00000000RAi-3uyW for linux-arm-kernel@lists.infradead.org; Thu, 24 Oct 2024 13:07:02 +0000 Received: from francesco-nb.pivistrello.it (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 0AC181F9B2; Thu, 24 Oct 2024 15:06:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1729775219; bh=081XwwT3SpMBjNjgf6iNtj/s3WBFhspA1TJEtsraTTY=; h=From:To:Subject; b=G06owoBc4B57W43v3eIlBbGmIsD5pHkC4J5ScyvVQx3JaohBWEAahWOPJy5dMsKaY ejh0ciq7dzNuNnStK/JvmPn5mTA+c/oLPLtUIcWDYkDPUVQ6W6UCENv7YRcAf0wgWP uRTgaP8wlLZDBXqAkRZdzMCl+FMmSrxb59b6oFP5kvBwV6fYN9kqNmQhjOj+bBffU3 53ZVBM2ydbGhSd2GYWIJlQzKOiEv+JjvNPoTgD/L8Sn9S7zXXo/Sg71zB6Ol7Mnj+0 KovtEa/fRJG5ULSYC/q4DoAFYKMEn9m3RSTaJgZPT3xwagFb8mh38rDrylgYSYJYmt QgGxSBt4UtodA== From: Francesco Dolcini To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Francesco Dolcini , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v1 1/2] arm64: dts: freescale: imx8mm-verdin: Fix SD regulator startup delay Date: Thu, 24 Oct 2024 15:06:50 +0200 Message-Id: <20241024130651.49718-2-francesco@dolcini.it> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241024130651.49718-1-francesco@dolcini.it> References: <20241024130651.49718-1-francesco@dolcini.it> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241024_060701_179967_A8FCD1E6 X-CRM114-Status: UNSURE ( 9.92 ) 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 From: Francesco Dolcini The power switch used to power the SD card interface might have more than 2ms turn-on time, increase the startup delay to 20ms to prevent failures. Fixes: 6a57f224f734 ("arm64: dts: freescale: add initial support for verdin imx8m mini") Cc: Signed-off-by: Francesco Dolcini --- arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi index c20c2da17524..01042c1e9e7d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi @@ -162,7 +162,7 @@ reg_usdhc2_vmmc: regulator-usdhc2 { regulator-max-microvolt = <3300000>; regulator-min-microvolt = <3300000>; regulator-name = "+V3.3_SD"; - startup-delay-us = <2000>; + startup-delay-us = <20000>; }; reserved-memory {