U-boot Drivers

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