Help needed: How to Specify MTD Partitions on NAND in a Device Tree

Mauri Sandberg maukka at ext.kapsi.fi
Fri Feb 7 21:33:00 CET 2025


Hi Weijie

On 2/7/25 21:53, Weijie Gao wrote:
> Here's an example:
> https://github.com/openwrt/openwrt/blob/main/package/boot/uboot-mediatek/patches/105-configs-add-usefull-stuff-to-mt7988-rfb.patch#L316

Sorry, I should have been more specific. Actually defining the 
partitions is the simpler part. But the mt7621.dtsi in U-boot tree does 
not contain NAND controller node to begin with and I was not successful 
in defining one. I tried copying/mimicking one from the mt7621.dtsi in 
OpenWrt tree but that did not work out.

At the moment I get NAND working with the raw MT7621 driver only. Can I 
somehow drive it with "spi-nand" or somthing similar?

Mauri


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