Hi, On Tue, 02 May 2023 10:37:08 +0200 Juergen Borleis <jbe@xxxxxxxxxxxxxx> wrote: > Hi, > > Am Donnerstag, dem 27.04.2023 um 09:36 +0200 schrieb Sascha Hauer: > > 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. > > 567 and 568 are pin compatible. As far as I know the 568 has some fixed OTP > settings which are used after reset. Depending on the type extension (C, S, AD…) > the I²C address differs and the default output voltages. > > > > 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. > > Due to the support of the 567 variant it is already supported in the kernel. > hmm, but if you do not share dt compatibles, you need to maintain different devicetrees in kernel vs. barebox. I thought you try to keep them in sync as much a possible. Also in mainline kernel the watchdog does not have its own device tree node. Regards, Andreas
