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sdhci_xenon: allow to properly disable the UHS signaling
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Authored by mw on May 31 2021, 7:55 AM.

Details

Summary

Until now the "no-1-8-v" DT flag wrongly disabled the SDHCI_CAN_VDD_180

  • slot 1.8V power supply capability, whereas it refers to the signaling

voltage. Fix the sdhci_xenon_read_4 and allow to disable the UHS modes
depending on the DT property or PHY slow mode. While at it - make sure
the unsupported 1.2V signaling is always disabled.

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rG FreeBSD src repository
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