Re: [PATCH] arm64: dts: qcom: talos-evk: fix sdhc_2 vqmmc-supply for UHS-I mode
From: Konrad Dybcio
Date: Tue Jun 16 2026 - 08:10:01 EST
On 6/9/26 9:35 AM, monish.chunara@xxxxxxxxxxxxxxxx wrote:
> From: Monish Chunara <monish.chunara@xxxxxxxxxxxxxxxx>
>
> SD card is detected as SDHS instead of UHS-I because sdhc_2 was
> configured with vreg_s4a as vqmmc-supply, which cannot switch
> between 1.8V and 3.3V.
>
> Switch vqmmc-supply to vreg_l2a and update its voltage range to
> 1800000-2960000 uV to enable proper UHS-I signaling.
>
> Signed-off-by: Jaypal Sodhaparmar <jsodhapa@xxxxxxxxxxxxxxxx>
Incorrect s-o-b chain - is Jaypal the original author, perhaps?
Konrad