On Thu, May 6, 2021 at 6:34 PM Michael Walle <michael@xxxxxxxx> wrote: > > Hi Robert, > > Am 2021-04-30 14:35, schrieb Robert Marko: > > Delta TN48M switches have a Lattice CPLD that serves > > multiple purposes including being a GPIO expander. > > So lets add the MFD core driver for it. > > Did you have a look at mfd/simple-mfd-i2c.c? Hi Michael, Yes, that was my first idea but we have a requirement to expose CPLD information via debugfs as there are userspace applications using it. And simple-mfd-i2c does not allow us to do so. Regards, Robert > > -michael -- Robert Marko Staff Embedded Linux Engineer Sartura Ltd. Lendavska ulica 16a 10000 Zagreb, Croatia Email: robert.marko@xxxxxxxxxx Web: www.sartura.hr
