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Message-Id: <20241024130651.49718-3-francesco@dolcini.it>
Date: Thu, 24 Oct 2024 15:06:51 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: Francesco Dolcini <francesco.dolcini@...adex.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: [PATCH v1 2/2] arm64: dts: freescale: imx8mp-verdin: Fix SD regulator startup delay

From: Francesco Dolcini <francesco.dolcini@...adex.com>

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: <stable@...r.kernel.org>
Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
---
 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 {
-- 
2.39.5


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