Дерево устройств OrangePi Zero2
  clocks   |   soc@03000000   |   aliases   |   chosen   |   firmware   |   cpus   |   opp_l_table   |   psci   |   n_brom   |   s_brom   |   sram_ctrl   |   sram_a1   |   sram_a2   |   prcm   |   s_cpuscfg   |   ion   |   dram   |   memory@40000000   |   interrupt-controller@03020000   |   interrupt-controller@0   |   intc-nmi@07010320   |   sunxi-sid@03006000   |   sunxi-sid-ng@03006000   |   sunxi-chipid@03006200   |   timer_arch   |   pmu   |   dramfreq   |   uboot   |   iommu@030f0000   |   gpu@0x01800000   |   box_start_os0   |   __symbols__   |     Все узлы
Путь узла: / ion / heap_sys_user@0
Свойства (6):

1) compatible allwinner, sys_user

2) heap-base 0x00000000

3) heap-id 0x00000000

4) heap-name sys_user

5) heap-size 0x00000000

6) heap-type ion_system