From patchwork Thu Oct 24 13:06:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francesco Dolcini X-Patchwork-Id: 13848953 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 943AFCE8E70 for ; Thu, 24 Oct 2024 13:09:23 +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=+EvwIl0i2dXYv6BLBgJPCfDIwpV2bZuK0eg1elGHAZ8=; b=41ctMQBQNbnelTmv8faTL3+UWt Awmf/fYYi+WFU+PgAzGZuskl+rwt1LweQSdGZ06PGMJHgWvpil1I4DvSjSQlFs3NquaSb+SShX03z SBvknrDWoQbZ8upn413oKiAnF72A6eJ4AsCTP4RJykpBSqn8yCh/84zu4+IsAU9DDuGMaK6XdjkM+ UFGW3smqeHHh8kuDsR1btNs6V/0Vl2AmsTVA3fWGutDddqopoeqQtJ4zhA19D++zQcjIeNM3nc55i ef6BJg4Ubab+jwR84uDFsYkWB24c3wbk2l8PEQQL4z7yS1NEMe2j3jxg4OpzqkxAHU+RWdvJiljY7 P/8ZhX7Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t3xaR-00000000Rf3-49qR; Thu, 24 Oct 2024 13:09:11 +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 1t3xY3-00000000R5g-042x for linux-arm-kernel@lists.infradead.org; Thu, 24 Oct 2024 13:06:45 +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 8B61E1F8C9; Thu, 24 Oct 2024 15:06:36 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1729775196; bh=+EvwIl0i2dXYv6BLBgJPCfDIwpV2bZuK0eg1elGHAZ8=; h=From:To:Subject; b=uVfTJ5M5yT9Yv80i2dKk8hEu6wlnSTFJ0PYJDkquaGC6izPRnR77NPBch7AUr2vbG ELEzHhA20Qo/li95Ca7hp3gBxrH/TQgZJrKP1W5TuKRygGfUpm6MMOL2+Rds2RQspL sCEdrOY/uu/KsCeH91cUVoxR0bKxunh5kEWDd3EF1vjNlZD4cW2xhtyhYe8q3gBs8Y wjV9zucSpYcFSe7+nnoAZ1+wJOwOh6g1qMAtxKYv0wfJfUZSbZz1A7VvHM9d9y3OCU U8Nu4v+mVJtda56jtA1z/uVeKIz+NfYhobyjnw48Va8B0MquvDavO6dGnVtJbej7WK Gt0y/Cu6I2pCQ== From: Francesco Dolcini To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Francesco Dolcini , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v1] arm64: dts: ti: k3-am62-verdin: Fix SD regulator startup delay Date: Thu, 24 Oct 2024 15:06:28 +0200 Message-Id: <20241024130628.49650-1-francesco@dolcini.it> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241024_060644_170797_C57C97F2 X-CRM114-Status: UNSURE ( 9.56 ) 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: 316b80246b16 ("arm64: dts: ti: add verdin am62") Cc: Signed-off-by: Francesco Dolcini --- arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi index 5bef31b8577b..f0eac05f7483 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi @@ -160,7 +160,7 @@ reg_sdhc1_vmmc: regulator-sdhci1 { regulator-max-microvolt = <3300000>; regulator-min-microvolt = <3300000>; regulator-name = "+V3.3_SD"; - startup-delay-us = <2000>; + startup-delay-us = <20000>; }; reg_sdhc1_vqmmc: regulator-sdhci1-vqmmc {