U-boot Drivers

This page is intended to give more details on the Xilinx drivers for U-boot, such as testing, how to use the drivers, etc. The drivers included in the u-boot tree are intended to run on ARM (Zynq,
Zynq Ultrascale+ MPSoC).

Driver Information

There are a number of drivers in the u-boot tree and they may work, but the following list of drivers are currently what's tested and users are encouraged to use these rather than others.

Component
Platform/IP core
Link
In Mainline
Location
Comment
i2c
Zynq and ZynqMP
i2c driver
Yes
drivers/i2c/zynq_i2c.c and
drivers/i2c/i2c-cdns.c

SD controller
Zynq and ZynqMP
mmc driver
Yes
drivers/mmc/zynq_sdhci.c

GEM
Zynq and ZynqMP
ethernet driver
Yes
drivers/net/zynq_gem.c

QSPI
Zynq and ZynqMP
qspi driver

drivers/spi/zynqmp_qspi.c and
drivers/spi/zynq_qspi.c
drivers/spi/zynqmp_qspi.c
is not in mainline
USB
Zynq and ZynqMP
usb driver
Yes
drivers/usb/host/xhci-zynqmp.c and
drivers/usb/host/ehci-zynq.c

nand
Zynq and ZynqMP
nand driver
Yes
drivers/mtd/nand/zynq_nand.c and
drivers/mtd/nand/arasan_nfc.c

gpio
Zynq and ZynqMP
gpio driver
Yes
drivers/gpio/zynq_gpio.c and

drivers/gpio/xilinx_gpio.c