Hi Yuli, Try adding this line instead: ti,syscon-pcie-refclk-out = ; Main difference is 0x4074 -> 0x407C. This is to account for errata i2308 which the details can be found here: https://www.ti.com/lit/er/sprz530b/sprz530b.pdf . I have a suspicion that the SoC's we have are not the new package that has the errata correction. Regards, Takuma
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