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]>