Re: [PATCH v2] arm64: dts: qcom: qcm6490-fairphone-fp5: Enable UFS

From: Konrad Dybcio
Date: Mon Oct 02 2023 - 08:58:57 EST




On 10/2/23 14:30, Luca Weiss wrote:
Enable the UFS phy and controller so that we can access the internal
storage of the phone.

At the same time we need to bump the minimum voltage used for UFS VCC,
otherwise it doesn't initialize properly. The 2.952V is taken from the
vcc-voltage-level property downstream.

See also the following link for more information about the VCCQ/VCCQ2:
https://gerrit-public.fairphone.software/plugins/gitiles/kernel/msm-extra/devicetree/+/1590a3739e7dc29d2597307881553236d492f188/fp5/yupik-idp-pm7250b.dtsi#207

Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx>
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Depends on: https://lore.kernel.org/linux-arm-msm/20230927081858.15961-1-quic_nitirawa@xxxxxxxxxxx/
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Changes in v2:
- Constrain UFS voltage to only 2.952V
- Link to v1: https://lore.kernel.org/r/20230929-fp5-ufs-v1-1-122941e28b06@xxxxxxxxxxxxx
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Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad