[PATCH 6.18 459/752] arm64: dts: ti: am62p-verdin: Fix SD regulator startup delay

Sasha Levin
2026-02-28T17:54:34Z

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

[ Upstream commit de86dbc0fb00bd3773db4b05d9f5926f0faa2244 ]

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@vger.kernel.org
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20251209084126.33282-1-francesco@dolcini.it
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 99810047614e3..b7d559c61f3f8 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 {
--
2.51.0