From a4e83f3636a6316b7966f8e2c7f9a05d8c56e810 Mon Sep 17 00:00:00 2001 From: Francesco Dolcini Date: Tue, 11 Mar 2025 08:51:19 +0900 Subject: [PATCH] arm64: dts: freescale: imx8mp-verdin: Fix SD regulator startup delay BugLink: https://bugs.launchpad.net/bugs/2101915 commit 6c5789c9d2c06968532243daa235f6ff809ad71e upstream. 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@vger.kernel.org Signed-off-by: Francesco Dolcini Signed-off-by: Shawn Guo Signed-off-by: Greg Kroah-Hartman Signed-off-by: Koichiro Den Signed-off-by: Stefan Bader --- 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 c3305f0d4001..9ef050513f26 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi @@ -151,7 +151,7 @@ regulator-max-microvolt = <3300000>; regulator-min-microvolt = <3300000>; regulator-name = "+V3.3_SD"; - startup-delay-us = <2000>; + startup-delay-us = <20000>; }; reserved-memory {