On Wed, Apr 26, 2023 at 09:09:36PM +0200, Andreas Kemnade wrote: > Hi, > > just looked a bit around in the source and stumbled across drivers/mfd/rn5t568.c > > It contains > * MFD core driver for Ricoh RN5T618 PMIC > > but the filename is rn5t568.c That is very confusing. > a compatible ricoh,rn5t568 (but 567) does not exist in the kernel. > > So which chip this is really about? Did not analyse things deeper yet. > > I am also curious because I wrote most stuff in the kernel about the rn5t618/rc5t619. Jürgen had to support the rn5t568 which is not yet supported in Linux. He took the Kernel rn5t618.c driver and adjusted it accordingly. Jürgen can't remember exactly, but he said the chips are quite similar. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |