From patchwork Thu Oct 24 13:06:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francesco Dolcini X-Patchwork-Id: 13848958 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 C7ED0CE8E74 for ; Thu, 24 Oct 2024 13:14:02 +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=OaWYCbKne0jIgmMCGe5IUHjDjae7PV5dOPwFEy5t4e8=; b=QEkQ3g2xxRdX+nlVEZ+s29eZus 9hqRV75RJNn1z/w6IHn1d+rQhp7CXXxtxLPuCNmsxPOe2lusKtGs8k2IK8dhZliQHctsztglpRVKU wwtqh6fkqCBaJzmUIcRrvob5TYb8XS95aUF8C/QktaygCvicmfA8XUa6/RQb4fHrGa9e2utSdAwFR BKdRoYB4XImtjF3iw10XjZv6992U9RcbvlPxWk9kH9hADy66N0Z9Uu4IXZzKUEgHGyHvGHQ5Op0Y/ dmttXJyPS9mnYpQMNV8Ul9WvJ0n1Uk3CRRJa/c8lCrNBmhl75D2AnFPQMGsUeWsrW/WR1PE3tx2zb mq9317MA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t3xez-00000000SPJ-1uaI; Thu, 24 Oct 2024 13:13:53 +0000 Received: from mail11.truemail.it ([217.194.8.81]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t3xYL-00000000RBB-20mX 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 9F08C1F9BA; 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=1729775220; bh=OaWYCbKne0jIgmMCGe5IUHjDjae7PV5dOPwFEy5t4e8=; h=From:To:Subject; b=geEXMPWHAE7ALD9fcu+awGzVuukhe+61VmA8Fn/O/hZZEfrNyK6HRkVwg9sP7bHxz woLrzvxLyL1R9nVlcF1EjLb5VU71l5OcW4pZfZg9irJJaTCBR9ut3XRaUPOo8AYG5+ NY1NrfZwkTu7MGRg+R9ZUxXKSwSKT5FvIiKudUfOpxyLHO4VfztblIT5pNOTIkF8kr nIkscfqJLUcZVDLoiVy+WTkmF1o/ru7WN/TXWxNXiF6dV9pWYE5YrGy6bVMFZkjGBF Dx2CvbTkwi3ZaFT1iMSz53LGmOf3R9QgATPomoBfr+wgburCOgLBuka+lSst8vkHt4 w+ymp5oZKEsxg== 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 2/2] arm64: dts: freescale: imx8mp-verdin: Fix SD regulator startup delay Date: Thu, 24 Oct 2024 15:06:51 +0200 Message-Id: <20241024130651.49718-3-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_710411_B4349190 X-CRM114-Status: UNSURE ( 9.82 ) 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: a39ed23bdf6e ("arm64: dts: freescale: add initial support for verdin imx8m plus") Cc: Signed-off-by: Francesco Dolcini --- arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi index e9518b7c7aa8..b8c24fe228fa 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi @@ -175,7 +175,7 @@ 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 {