arm64: dts: freescale: imx8mm-verdin: Fix SD regulator startup delay

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: 6a57f224f734 ("arm64: dts: freescale: add initial support for verdin imx8m mini")
Cc: stable@vger.kernel.org
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
index d21ed35120f277387484dc68cef9f0aa45de4a01..c528594ac4428e638e137930667df98dba4acb0b 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
@@ -162,7 +162,7 @@
                regulator-max-microvolt = <3300000>;
                regulator-min-microvolt = <3300000>;
                regulator-name = "+V3.3_SD";
-               startup-delay-us = <2000>;
+               startup-delay-us = <20000>;
        };
 
        reserved-memory {