Re: [PATCH 3/4] arm64: dts: renesas: rzg3s-smarc-som: Enable I3C

Wolfram Sang
2025-08-09T09:17:49Z

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> - there is I3C_SET register (bit POC) which controls the I3C voltage, so, I
> presume, depending on the SW_I3C_VIO_SEL switch on the board (which
> selects the output of VDD_I3C regulator) the pins would have to be
> configured with proper power-source = <1800> or power-source = <1200>

I assumed the firmware is setting that bit. Never checked, though, and
can't do before end of August.

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