Dm Tree

=> pci enum
pcie link up success
PCIe speed of Gen2
=> nvme scan
=> dm tree
 Class      Probed  Driver      Name
----------------------------------------
 root       [ + ]   root_drive  root_driver
 blk        [   ]   sunxi_flas  |-- sunxi_flash
 clk        [   ]   fixed_rate  |-- dcxo24M_clk
 clk        [   ]   fixed_rate  |-- rc16m_clk
 simple_bus [ + ]   generic_si  |-- soc@29000000
 regulator  [   ]   fixed regu  |   |-- regulator_1v8
 regulator  [   ]   fixed regu  |   |-- regulator_3v3
 regulator  [   ]   fixed regu  |   |-- regulator_pfo
 regulator  [   ]   fixed regu  |   |-- regulator_pc
 regulator  [   ]   fixed regu  |   |-- regulator_pf
 regulator  [   ]   fixed regu  |   |-- regulator_pg
 gpio       [ + ]   gpio_sunxi  |   |-- pinctrl@0300b000
 gpio       [ + ]   gpio_sunxi  |   |   |-- PA
 gpio       [ + ]   gpio_sunxi  |   |   |-- PB
 gpio       [ + ]   gpio_sunxi  |   |   |-- PC
 gpio       [ + ]   gpio_sunxi  |   |   |-- PD
 gpio       [ + ]   gpio_sunxi  |   |   |-- PE
 gpio       [ + ]   gpio_sunxi  |   |   |-- PF
 gpio       [ + ]   gpio_sunxi  |   |   |-- PG
 gpio       [ + ]   gpio_sunxi  |   |   |-- PH
 gpio       [ + ]   gpio_sunxi  |   |   |-- PI
 gpio       [ + ]   gpio_sunxi  |   |   |-- PJ
 gpio       [ + ]   gpio_sunxi  |   |   `-- PK
 mmc        [ + ]   sunxi_mmc   |   |-- sdmmc@4020000
 blk        [ + ]   mmc_blk     |   |   `-- [email protected]
 mmc        [ + ]   sunxi_mmc   |   |-- sdmmc@4021000
 blk        [   ]   mmc_blk     |   |   `-- [email protected]
 video      [ + ]   sunxi_disp  |   |-- sunxi-drm
 vidconsole [ + ]   vidconsole  |   |   `-- sunxi-drm.vidconsole0
 misc       [ + ]   de          |   |-- de@5000000
 misc       [ + ]   tcon_top    |   |-- vo0@5500000
 misc       [   ]   tcon_top    |   |-- vo1@5730000
 misc       [   ]   tcon        |   |-- tcon0@5501000
 misc       [ + ]   tcon        |   |-- tcon1@5502000
 phy        [   ]   sunxi_dsi_  |   |-- phy@5507000
 phy        [ + ]   sunxi_dsi_  |   |-- phy@5509000
 display    [ + ]   sunxi_drm_  |   |-- dsi1@5508000
 panel      [ + ]   panel_dsi   |   |   `-- [email protected]
 misc       [   ]   tcon        |   |-- tcon2@5503000
 display    [   ]   sunxi_drm_  |   |-- hdmi@5520000
 pci        [ + ]   pcie_dw_su  |   `-- pcie@4800000
 pci        [ + ]   pci_bridge  |       `-- pci_0:0.0
 nvme       [ + ]   nvme        |           `-- nvme#0
 blk        [   ]   nvme-blk    |               `-- nvme#0.blk#0
 regulator  [   ]   fixed regu  |-- vcc-3v3
 regulator  [   ]   fixed regu  |-- reg-backlight
 backlight  [ + ]   pwm_backli  |-- backlight0
 blk        [ + ]   sunxi_flas  `-- sunxi_flash