[PATCH v1] arm64: dts: ti: am62p-verdin: Fix SD regulator startup delay

Francesco Dolcini francesco at dolcini.it
Tue Dec 9 00:41:25 PST 2025


From: Francesco Dolcini <francesco.dolcini at toradex.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: 87f95ea316ac ("arm64: dts: ti: Add Toradex Verdin AM62P")
Cc: stable at vger.kernel.org
Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>
---
 arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi
index 5e050cbb9eaf..ec9dd931fe92 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi
@@ -112,7 +112,7 @@ reg_sd1_vmmc: regulator-sdhci1-vmmc {
 		regulator-max-microvolt = <3300000>;
 		regulator-min-microvolt = <3300000>;
 		regulator-name = "+V3.3_SD";
-		startup-delay-us = <2000>;
+		startup-delay-us = <20000>;
 	};
 
 	reg_sd1_vqmmc: regulator-sdhci1-vqmmc {
-- 
2.47.3




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