[root@luckfox root]# ls /dev/video*
/dev/video0   /dev/video13  /dev/video18  /dev/video4   /dev/video9
/dev/video1   /dev/video14  /dev/video19  /dev/video5
/dev/video10  /dev/video15  /dev/video2   /dev/video6
/dev/video11  /dev/video16  /dev/video20  /dev/video7
/dev/video12  /dev/video17  /dev/video3   /dev/video8
[root@luckfox root]#

[root@luckfox root]# dmesg | grep -i "camera\|mipi\|csi\|v4l2"
[    2.360453] rockchip-pinctrl pinctrl: could not request pin 116 (gpio3-20) from group mipi-refclk-out0  on device rockchip-pinctrl
[    2.409213] rkcif rkcif-mipi-lvds: rkcif driver version: v00.02.00
[    2.409309] rkcif rkcif-mipi-lvds: attach to cif hw node
[    2.409323] rkcif rkcif-mipi-lvds: failed to get dphy hw node
[    2.409334] rkcif rkcif-mipi-lvds: rkcif wait line 0
[    2.409342] rkcif rkcif-mipi-lvds: rkcif fastboot reserve bufs num 3
[    2.420049] rkcif rkcif-mipi-lvds: No memory-region-thunderboot specified
[    2.421218] rockchip-mipi-csi2-hw ffa20000.mipi-csi2-hw: enter mipi csi2 hw probe!
[    2.421378] rockchip-mipi-csi2-hw ffa20000.mipi-csi2-hw: probe success, v4l2_dev:mipi-csi2-hw!
[    2.421506] rockchip-mipi-csi2-hw ffa30000.mipi-csi2-hw: enter mipi csi2 hw probe!
[    2.421619] rockchip-mipi-csi2-hw ffa30000.mipi-csi2-hw: probe success, v4l2_dev:mipi-csi2-hw!
[    2.421981] rockchip-mipi-csi2 mipi0-csi2: attach to csi2 hw node
[    2.422039] rkcif rkcif-mipi-lvds: Entity type for entity rockchip-mipi-csi2 was not initialized!
[    2.422055] rockchip-mipi-csi2: Async registered subdev
[    2.422066] rockchip-mipi-csi2: probe success, v4l2_dev:rkcif-mipi-lvds!
[    2.506327] rockchip-csi2-dphy-hw ff3e8000.csi2-dphy-hw: csi2 dphy hw probe successfully!
[    2.521423] rockchip-csi2-dphy csi2-dphy0: dphy0 matches m00_b_sc3336 4-0030:bus type 5
[    2.521448] rockchip-csi2-dphy csi2-dphy0: csi2 dphy0 probe successfully!
[    2.773041] rkcif rkcif-mipi-lvds: clear unready subdev num: 1
[    2.774519] rkcif-mipi-lvds: Async subdev notifier completed
[    7.225889] stream_cif_mipi_id0: s_power 1, entity use_count 1
[    7.226473] stream_cif_mipi_id0: s_power 0, entity use_count 0
[    7.679084] stream_cif_mipi_id0: s_power 1, entity use_count 1
[    7.680346] stream_cif_mipi_id0: open video, entity use_countt 2
[    7.680460] stream_cif_mipi_id1: open video, entity use_countt 1
[    7.832296] stream_cif_mipi_id0: open video, entity use_countt 3
[    7.832379] stream_cif_mipi_id0: close video, entity use_count 2
[    7.834932] stream_cif_mipi_id0: open video, entity use_countt 3
[    7.835890] stream_cif_mipi_id0: close video, entity use_count 2
[    7.850828] stream_cif_mipi_id0: open video, entity use_countt 3
[    7.850899] stream_cif_mipi_id0: close video, entity use_count 2
[    7.861954] stream_cif_mipi_id0: open video, entity use_countt 3
[    7.862025] stream_cif_mipi_id0: close video, entity use_count 2
[    7.867215] rkcif-mipi-lvds: stream[0] start streaming
[    7.867333] rockchip-mipi-csi2 mipi0-csi2: stream on, src_sd: 44bda6fc, sd_name:rockchip-csi2-dphy0
[    7.867347] rockchip-mipi-csi2 mipi0-csi2: stream ON
[    7.867394] rockchip-csi2-dphy0: dphy0, data_rate_mbps 510
[    7.867426] rockchip-csi2-dphy csi2-dphy0: csi2_dphy_s_stream stream on:1, dphy0, ret 0
[    7.914547] stream_cif_mipi_id0: open video, entity use_countt 3
[    7.914623] stream_cif_mipi_id0: close video, entity use_count 2
[    7.919188] stream_cif_mipi_id0: open video, entity use_countt 3
[    7.919263] stream_cif_mipi_id0: close video, entity use_count 2
[    7.952310] stream_cif_mipi_id0: open video, entity use_countt 3
[    7.952393] stream_cif_mipi_id0: close video, entity use_count 2
[    7.963299] stream_cif_mipi_id0: open video, entity use_countt 3
[    7.963390] stream_cif_mipi_id0: close video, entity use_count 2
[   84.380347] rkcif-mipi-lvds: stream[0] start stopping, total mode 0x2, cur 0x2
[   84.419629] rockchip-mipi-csi2 mipi0-csi2: stream off, src_sd: 44bda6fc, sd_name:rockchip-csi2-dphy0
[   84.419654] rockchip-mipi-csi2 mipi0-csi2: stream OFF
[   84.419678] rockchip-csi2-dphy csi2-dphy0: csi2_dphy_s_stream_stop stream stop, dphy0
[   84.419694] rockchip-csi2-dphy csi2-dphy0: csi2_dphy_s_stream stream on:0, dphy0, ret 0
[   84.419897] rkcif-mipi-lvds: stream[0] stopping finished, dma_en 0x0
[   84.419911] rkcif-mipi-lvds: stream[0] start stopping, total mode 0x0, cur 0x2
[   84.419920] rkcif-mipi-lvds: stream[0] stopping finished, dma_en 0x0
[   85.443033] stream_cif_mipi_id1: close video, entity use_count 0
[   85.443064] stream_cif_mipi_id0: close video, entity use_count 1
[   85.443276] stream_cif_mipi_id0: s_power 0, entity use_count 0
[root@luckfox root]#

[root@luckfox root]# ls /sys/class/video4linux/
v4l-subdev0  video0       video13      video18      video4       video9
v4l-subdev1  video1       video14      video19      video5
v4l-subdev2  video10      video15      video2       video6
v4l-subdev3  video11      video16      video20      video7
v4l-subdev4  video12      video17      video3       video8
[root@luckfox root]#

[root@luckfox root]# v4l2-ctl --list-devices
[  234.217360] stream_cif_mipi_id0: open video, entity use_countt 1
[  234.217545] stream_cif_mipi_id0: close video, entity use_count 0
[  234.234884] stream_cif_mipi_id1: open video, entity use_countt 1
[  234.235031] stream_cif_mipi_id1: close video, entity use_count 0
[  234.252392] stream_cif_mipi_id2: open video, entity use_countt 1
[  234.252535] stream_cif_mipi_id2: close video, entity use_count 0
[  234.269901] stream_cif_mipi_id3: open video, entity use_countt 1
[  234.270040] stream_cif_mipi_id3: close video, entity use_count 0
[  234.411209] stream_cif_mipi_id0: s_power 1, entity use_count 1
[  234.411619] stream_cif_mipi_id0: s_power 0, entity use_count 0
[  234.428937] stream_cif_mipi_id0: s_power 1, entity use_count 1
[  234.429358] stream_cif_mipi_id0: s_power 0, entity use_count 0
[  234.446664] stream_cif_mipi_id0: s_power 1, entity use_count 1
[  234.447092] stream_cif_mipi_id0: s_power 0, entity use_count 0
[  234.464409] stream_cif_mipi_id0: s_power 1, entity use_count 1
[  234.464839] stream_cif_mipi_id0: s_power 0, entity use_count 0
[  234.482150] stream_cif_mipi_id0: s_power 1, entity use_count 1
[  234.482574] stream_cif_mipi_id0: s_power 0, entity use_count 0
[  234.499883] stream_cif_mipi_id0: s_power 1, entity use_count 1
[  234.500299] stream_cif_mipi_id0: s_power 0, entity use_count 0
[  234.517601] stream_cif_mipi_id0: s_power 1, entity use_count 1
[  234.518020] stream_cif_mipi_id0: s_power 0, entity use_count 0
[  234.535338] stream_cif_mipi_id0: s_power 1, entity use_count 1
rkisp-statistics (platform: rkisp):
[  234.535762] stream_cif_mipi_id0: s_power 0, entity use_count 0
        /dev/video19
        /dev/video20

rkcif-mipi-lvds (platform:rkcif):
        /dev/media0

rkcif (platform:rkcif-mipi-lvds):
        /dev/video0
        /dev/video1
        /dev/video2
[  234.561320] stream_cif_mipi_id0: open video, entity use_countt 1
        /dev/video3
[  234.564925] stream_cif_mipi_id0: close video, entity use_count 0
        /dev/video4
        /dev/video5
        /dev/video6
        /dev/video7
        /dev/video8
        /dev/video9
        /dev/video10

rkisp_mainpath (platform:rkisp-vir0):
        /dev/video11
        /dev/video12
        /dev/video13
        /dev/video14
        /dev/video15
        /dev/video16
        /dev/video17
        /dev/video18
        /dev/media1

[root@luckfox root]#

[root@luckfox root]# v4l2-ctl -d /dev/video0 --all
[  262.268100] stream_cif_mipi_id0: open video, entity use_countt 1
Driver Info:
[  262.269870] stream_cif_mipi_id0: close video, entity use_count 0
        Driver name      : rkcif
        Card type        : rkcif
        Bus info         : platform:rkcif-mipi-lvds
        Driver version   : 5.10.160
        Capabilities     : 0x84201000
                Video Capture Multiplanar
                Streaming
                Extended Pix Format
                Device Capabilities
        Device Caps      : 0x04201000
                Video Capture Multiplanar
                Streaming
                Extended Pix Format
Media Driver Info:
        Driver name      : rkcif
        Model            : rkcif-mipi-lvds
        Serial           :
        Bus info         :
        Media version    : 5.10.160
        Hardware revision: 0x00000000 (0)
        Driver version   : 5.10.160
Interface Info:
        ID               : 0x03000002
        Type             : V4L Video
Entity Info:
        ID               : 0x00000001 (1)
        Name             : stream_cif_mipi_id0
        Function         : V4L2 I/O
        Pad 0x01000004   : 0: Sink
          Link 0x02000043: from remote pad 0x100002f of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data, Enabled
          Link 0x02000059: from remote pad 0x1000030 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x0200006f: from remote pad 0x1000031 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x02000085: from remote pad 0x1000032 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x0200009b: from remote pad 0x1000033 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x020000b1: from remote pad 0x1000034 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x020000c7: from remote pad 0x1000035 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x020000dd: from remote pad 0x1000036 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x020000f3: from remote pad 0x1000037 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x02000109: from remote pad 0x1000038 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
          Link 0x0200011f: from remote pad 0x1000039 of entity 'rockchip-mipi-csi2' (Unknown V4L2 Sub-Device): Data
Priority: 2
Format Video Capture Multiplanar:
        Width/Height      : 2304/1296
        Pixel Format      : 'BG10' (10-bit Bayer BGBG/GRGR)
        Field             : None
        Number of planes  : 1
        Flags             : 0x00000094
        Colorspace        : Default
        Transfer Function : Unknown (0x0000004d)
        YCbCr/HSV Encoding: Unknown (0x0000000d)
        Quantization      : Default
        Plane 0           :
           Bytes per Line : 3072
           Size Image     : 3981312
Selection Video Capture: crop, Left 0, Top 0, Width 2304, Height 1296, Flags:
Selection Video Capture: crop_bounds, Left 0, Top 0, Width 2304, Height 1296, Flags:
Selection Video Output: crop, Left 0, Top 0, Width 2304, Height 1296, Flags:
Selection Video Output: crop_bounds, Left 0, Top 0, Width 2304, Height 1296, Flags:
[root@luckfox root]#