The name “t6 lts plus” is in here is incorrect. (https://github.com/armbian/linux-rockchip/blob/t6plus/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6-lts-plus.dts) You can refer to friendlyarm, (https://github.com/friendlyarm/kernel-rockchip/blob/nanopi6-v6.1.y/arch/arm64/boot/dts/rockchip/rk3588-nanopi6-rev0b.dts). The correct name should be “t6 plus”
The name “t6 lts plus” is in here is incorrect. (https://github.com/armbian/linux-rockchip/blob/t6plus/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6-lts-plus.dts)
You can refer to friendlyarm, (https://github.com/friendlyarm/kernel-rockchip/blob/nanopi6-v6.1.y/arch/arm64/boot/dts/rockchip/rk3588-nanopi6-rev0b.dts). The correct name should be “t6 plus”