Hi Trent, On Tue, May 25, 2021 at 11:48:05PM -0700, Trent Piepho wrote: > From: Trent Piepho <tpiepho@xxxxxxxxx> > > There are two different NAND drivers, used for different chips in the > i.MX range. It's quite confusing as to which to use. Add some help > text to clarify. > > Signed-off-by: Trent Piepho <tpiepho@xxxxxxxxx> > --- > drivers/mtd/nand/Kconfig | 15 +++++++++++++-- > 1 file changed, 13 insertions(+), 2 deletions(-) > > diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig > index 7c9326089..9dd6851f3 100644 > --- a/drivers/mtd/nand/Kconfig > +++ b/drivers/mtd/nand/Kconfig > @@ -32,14 +32,25 @@ config NAND_ALLOW_ERASE_BAD > > config NAND_IMX > bool > - prompt "i.MX NAND driver" > + prompt "i.MX NAND driver aka 'mxc'" > depends on ARCH_IMX > + help > + Support for NAND flash on Freescale/NXP i.MX devices. This is for the > + "MXC" series: i.MX21/25/27/31/35/51/53. It is not for the "MXS" > + series i.MX processors (23 & 28), or i.MX6 and later, which use the > + NAND controller from the MSX processors. See the i.MX 'mxs' driver s/MSX/MXS/ > + for those chips. > > config NAND_MXS > bool > select STMP_DEVICE > - prompt "i.MX23/28/6 NAND driver" > + prompt "i.MX23/28 & 6+ NAND driver aka 'mxs'" > depends on MXS_APBH_DMA > + help > + Support for NAND flash on Freescale/NXP i.MX devices. This is for the > + "MXS" series: i.MX23/28 and all i.MX6 and later chips. It is not for > + the "MXC" series of i.MX processors in the i.MX 21 to 53 range. See > + the i.MX "msc" driver for those chips. s/msc/mxc/ In the kernel this driver is known as GPMI nand driver. Maybe we should add that term here as well? 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 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
