Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Alif Semiconductor/AE512F80F5582LS_CM55_HP_View/I3C/I3C_SLV_MIPI_ID_VALUE#0x0
SLV_PROV_ID_SEL=Val_0x0
Provisional ID Register
Specifies the Provisional ID Type.
0 (Val_0x0): Vendor fixed value
1 (Val_0x1): Random value
Specifies the MIPI Manufacturer ID.
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https://github.com/cmsis-svd/cmsis-svd-data