QSPI mode on imx6ull evk

Peng Fan peng.fan at nxp.com
Wed Jul 22 14:39:10 CEST 2020

> Subject: QSPI mode on imx6ull evk
> Hi
> I currently try to get the QSPI flash on the imx6ull evk working in quad mode.
> This attempt fails as when spi_child_post_bind is called there seems to be no
> spi child in the udevice (spi at 21e0000) which then leads to
> spi_slave_ofdata_to_platdata not called and the according definitions in the
> device tree (like spi-rx-bus-width) are not parsed. I am using plain v2020.07
> without any modifications on the MCIMX6ULL-EVK.

Any device tree changes to make it work?

> mx6ull_14x14_evk_defconfig was the config I used.
> I tried to CC some of the people involved in the development of the affected
> parts of u-boot. Please correct me if I am wrong. Any help would be
> appreciated.
> Regards
> Matthias

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