Re: [PATCH V4 1/4] arm64: dts: qcom: glymur-crd: Update VREG l2b_e0 and l9b_e0 voltage for SD-card

Abel Vesa <[email protected]>
Newsgroups org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <pbqwc2wyulq56yksq4ts55vwkysmqprcw2yzbxlwyvxria53yc@5yiwjpxnkjib>
On 26-07-22 19:53:39, Monish Chunara wrote:
> From: Kamal Wadhwa <[email protected]>
> 
> SD cards may need 1.8v VDDIO also to be supported, to accommodate this
> requirement reduce the min voltage to 1.8v for `vreg_l2b_e0` which
> supplies to VDDIO pin of SD card.
> 
> NOTE - Since this SD card is the only client on this regulator, this
> change should not have any side effect on any other clients.
> moreover, SD card driver takes care to explicitly vote for the
> regulator voltage based on the SD card detection sequence.
> 
> Also for stable operation of the SD card increase VDD voltage
> supplied by `vreg_l9b_e0` to 2.96v.
> 
> Signed-off-by: Kamal Wadhwa <[email protected]>
> Reviewed-by: Konrad Dybcio <[email protected]>
> Reviewed-by: Dmitry Baryshkov <[email protected]>
> Signed-off-by: Monish Chunara <[email protected]>

Reviewed-by: Abel Vesa <[email protected]>
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