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Do not c= lick links or open attachments unless you recognize the sender and know the= content is safe. >=20 >=20 > On 25-06-06 14:13:18, J=E9r=F4me Pouiller wrote: > > On Thursday 5 June 2025 15:40:34 CEST Petko Manolov wrote: > > > Hey guys, > > > > > > Apologies if this has been asked before, but i've searched and didn't= find > > > anything related to this problem. So here it goes: i'm upgrading the= kernel of > > > a custom stm32mp15 board (from v5.4 to v6.6) and i've stumbled upon t= his when > > > wfx driver module get loaded: > > > > > > wfx-spi spi0.0: sending configuration file wfx/wf200.pds > > > wfx-spi spi0.0: asynchronous error: out-of-range power supply voltage= : -20 > > > ... a bunch of "hif: 00000000: bc 04 e4 15 04 00 00 00 ec 00 74 76 f7= b7 cd 09" like messages ... > > > wfx-spi spi0.0: time out while polling control register > > > wfx-spi spi0.0: chip is abnormally long to answer > > > wfx-spi spi0.0: chip did not answer > > > wfx-spi spi0.0: hardware request CONFIGURATION (0x09) on vif 2 return= ed error -110 > > > wfx-spi spi0.0: PDS:4: chip didn't reply (corrupted file?) > > > wfx-spi: probe of spi0.0 failed with error -110 > > > > > > Needless to say that v5.4 kernel setup works fine. The only differen= ce with > > > v6.6 is the wfx driver and kernel's DTB. Now, i've verified that wf2= 00 is > > > powered with 3.3V, in both cases, so that's not it. I've also lowere= d the SPI > > > clock from 40000000 to 20000000 but it didn't make a difference. > > > > > > By looking at the driver i'm fairly certain the above error is actual= ly coming > > > from the wf200 firmware and the driver is just printing an error mess= age so i > > > don't see reasonable ways of debugging this thing. In short, any sug= gestion > > > would be greatly appreciated. > > > > I believe you should have a trace with the firmware version (starting w= ith > > "started firmware x.x.x"). Could you provide the firmware versions? >=20 > Here's what i get with the new firmware: >=20 > wfx-spi spi0.0: started firmware 3.17.0 "WF200_ASIC_WFM_(Jenkins)_FW3.17.= 0" (API: 3.12, keyset: C0, caps: 0x00000000) > wfx-spi spi0.0: sending configuration file wfx/wf200.pds > wfx-spi spi0.0: asynchronous error: out-of-range power supply voltage: -2= 0 >=20 > This is with the old one: >=20 > wfx-spi spi0.0: started firmware 3.12.2 "WF200_ASIC_WFM_(Jenkins)_FW3.12.= 2" (API: 3.7, keyset: C0, caps: 0x00000000) > wfx-spi spi0.0: sending configuration file wfx/wf200.pds > wfx-spi spi0.0: asynchronous error: out-of-range power supply voltage: -2= 1 >=20 > Apart from the error number the rest is pretty much the same. Both dumps= from > using wf200-v6.6.pds (attached) as the old .pds won't load on v6.6. >=20 > > The issue appears when the driver load the wf200.pds. Can you provide > > the wf200.pds you used with 5.4 and with 6.6? Normally, you can't use > > the same file since the format has changed in v5.17. >=20 > Attached you'll find both, old and new, versions of the PDS. This is wha= t i > used to generate the v6.6 version: >=20 > pds_compress -l BRD8023A_Rev_B01.pds.in wf200-v6.6.pds >=20 > The old one used '-p' instead of '-l', but this is due to the format chan= ge, as > you mentioned above. Things are going to start to become fun. Your wf200-v6.6.pds is exactly the same (same md5sum) than the one I use for ages. So the issue is not on this side. For info, I have a setup with kernel 6.1 + firmware 3.16.0 + Raspberry Pi here. Do you think your power supply could be unstable with your new DT?=20 The voltage values reported by the driver (-21 and -20) are obviously not correct. Maybe it would make sense to get the real value measured by the chip. Do you have access to official Silabs support to make that request? --=20 J=E9r=F4me Pouiller