From: Haibo Chen Date: Tue, 17 Oct 2023 06:50:48 +0000 (+0800) Subject: arm64: dts: imx93-11x11-evk: add 12 ms delay to make sure the VDD_SD power off X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=47a34668179f6df2832e817db2083f0f02d65256;p=linux.git arm64: dts: imx93-11x11-evk: add 12 ms delay to make sure the VDD_SD power off To support SD3.0 mode, according to the SD spec, a clean power off for the VDD_SD is keep the VDD_SD lower than 0.5V for at least 1ms. On imx93 board, gate off the VDD_SD, it will cost about 10ms to see the voltage change from 3.3v to 0.5v. So at least need to dealy 11ms to make sure a clean power off and power on. Here add 12ms dealy. Signed-off-by: Haibo Chen Signed-off-by: Shawn Guo --- diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts index 021caf471bf6c..9921ea13ab489 100644 --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts @@ -76,6 +76,7 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>; + off-on-delay-us = <12000>; enable-active-high; }; };