[Adding Steve and Philipp in case they could provide some suggestions] On Wed, Feb 14, 2018 at 1:21 PM, Matthew Starr <mstarr@xxxxxxxxxxxxx> wrote: > I have successfully modified device tree files in the mainline 4.15.1 kernel to get a display product using the i.MX53 processor to initialize the imx-media drivers. I think up to this point they have only been tested on i.MX6 processors. I am using two ADV7180 analog capture chips, one per CSI port, on this display product. > > I have everything initialize successfully at boot, but I am unable to get the media-ctl command to link the ADV7180 devices to the CSI ports. I used the following website as guidance of how to setup the links between media devices: > https://linuxtv.org/downloads/v4l-dvb-apis/v4l-drivers/imx.html > > When trying to link the ADV7180 chip to a CSI port, I use the following command and get the result below: > > media-ctl -v -l "'adv7180 1-0021':0->'ipu1_csi0':0[1]" > > No link between "adv7180 1-0021":0 and "ipu1_csi0":0 > media_parse_setup_link: Unable to parse link > Unable to parse link: Invalid argument (22) > > How do I get the ADV7180 and CSI port on the i.MX53 processor to link? > > The difference for the i.MX53 compared to the i.MX6 processor is that there is only one IPU and no mipi support, so my device tree does not use any video-mux or mux devices. Could this have something to do with why I can't link the ADV7180 to the CSI port? > > Here is the output of the "media-ctl -p -v" command: > > Opening media device /dev/media0 > Enumerating entities > looking up device: 81:10 > looking up device: 81:11 > looking up device: 81:12 > looking up device: 81:4 > looking up device: 81:13 > looking up device: 81:5 > looking up device: 81:14 > looking up device: 81:15 > looking up device: 81:16 > looking up device: 81:17 > looking up device: 81:6 > looking up device: 81:18 > looking up device: 81:7 > looking up device: 81:19 > looking up device: 81:20 > looking up device: 81:8 > looking up device: 81:21 > looking up device: 81:9 > Found 18 entities > Enumerating pads and links > Media controller API version 4.15.1 > > Media device information > ------------------------ > driver imx-media > model imx-media > serial > bus info > hw revision 0x0 > driver version 4.15.1 > > Device topology > - entity 1: adv7180 1-0021 (1 pad, 0 link) > type V4L2 subdev subtype Unknown flags 20004 > device node name /dev/v4l-subdev0 > pad0: Source > [fmt:UYVY8_2X8/720x480 field:interlaced] > > - entity 3: adv7180 1-0020 (1 pad, 0 link) > type V4L2 subdev subtype Unknown flags 20004 > device node name /dev/v4l-subdev1 > pad0: Source > [fmt:UYVY8_2X8/720x480 field:interlaced] > > - entity 5: ipu1_csi1 (3 pads, 3 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev2 > pad0: Sink > [fmt:UYVY8_2X8/640x480 field:none > crop.bounds:(0,0)/640x480 > crop:(0,0)/640x480 > compose.bounds:(0,0)/640x480 > compose:(0,0)/640x480] > pad1: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_ic_prp":0 [] > -> "ipu1_vdic":0 [] > pad2: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_csi1 capture":0 [] > > - entity 9: ipu1_csi1 capture (1 pad, 1 link) > type Node subtype V4L flags 0 > device node name /dev/video4 > pad0: Sink > <- "ipu1_csi1":2 [] > > - entity 15: ipu1_csi0 (3 pads, 3 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev3 > pad0: Sink > [fmt:UYVY8_2X8/640x480 field:none > crop.bounds:(0,0)/640x480 > crop:(0,0)/640x480 > compose.bounds:(0,0)/640x480 > compose:(0,0)/640x480] > pad1: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_ic_prp":0 [] > -> "ipu1_vdic":0 [ENABLED] > pad2: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_csi0 capture":0 [] > > - entity 19: ipu1_csi0 capture (1 pad, 1 link) > type Node subtype V4L flags 0 > device node name /dev/video5 > pad0: Sink > <- "ipu1_csi0":2 [] > > - entity 25: ipu1_ic_prp (3 pads, 5 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev4 > pad0: Sink > [fmt:AYUV8_1X32/640x480 field:none] > <- "ipu1_csi1":1 [] > <- "ipu1_csi0":1 [] > <- "ipu1_vdic":2 [ENABLED] > pad1: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_ic_prpenc":0 [] > pad2: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_ic_prpvf":0 [ENABLED] > > - entity 29: ipu1_vdic (3 pads, 3 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev5 > pad0: Sink > [fmt:AYUV8_1X32/640x480 field:none] > <- "ipu1_csi1":1 [] > <- "ipu1_csi0":1 [ENABLED] > pad1: Sink > [fmt:UYVY8_2X8/640x480 field:none] > pad2: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_ic_prp":0 [ENABLED] > > - entity 33: ipu2_vdic (3 pads, 1 link) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev6 > pad0: Sink > [fmt:AYUV8_1X32/640x480 field:none] > pad1: Sink > [fmt:UYVY8_2X8/640x480 field:none] > pad2: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu2_ic_prp":0 [] > > - entity 37: ipu1_ic_prpenc (2 pads, 2 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev7 > pad0: Sink > [fmt:AYUV8_1X32/640x480 field:none] > <- "ipu1_ic_prp":1 [] > pad1: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_ic_prpenc capture":0 [] > > - entity 40: ipu1_ic_prpenc capture (1 pad, 1 link) > type Node subtype V4L flags 0 > device node name /dev/video6 > pad0: Sink > <- "ipu1_ic_prpenc":1 [] > > - entity 46: ipu1_ic_prpvf (2 pads, 2 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev8 > pad0: Sink > [fmt:AYUV8_1X32/640x480 field:none] > <- "ipu1_ic_prp":2 [ENABLED] > pad1: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu1_ic_prpvf capture":0 [ENABLED] > > - entity 49: ipu1_ic_prpvf capture (1 pad, 1 link) > type Node subtype V4L flags 0 > device node name /dev/video7 > pad0: Sink > <- "ipu1_ic_prpvf":1 [ENABLED] > > - entity 55: ipu2_ic_prp (3 pads, 3 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev9 > pad0: Sink > [fmt:AYUV8_1X32/640x480 field:none] > <- "ipu2_vdic":2 [] > pad1: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu2_ic_prpenc":0 [] > pad2: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu2_ic_prpvf":0 [] > > - entity 59: ipu2_ic_prpenc (2 pads, 2 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev10 > pad0: Sink > [fmt:AYUV8_1X32/640x480 field:none] > <- "ipu2_ic_prp":1 [] > pad1: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu2_ic_prpenc capture":0 [] > > - entity 62: ipu2_ic_prpenc capture (1 pad, 1 link) > type Node subtype V4L flags 0 > device node name /dev/video8 > pad0: Sink > <- "ipu2_ic_prpenc":1 [] > > - entity 68: ipu2_ic_prpvf (2 pads, 2 links) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev11 > pad0: Sink > [fmt:AYUV8_1X32/640x480 field:none] > <- "ipu2_ic_prp":2 [] > pad1: Source > [fmt:AYUV8_1X32/640x480 field:none] > -> "ipu2_ic_prpvf capture":0 [] > > - entity 71: ipu2_ic_prpvf capture (1 pad, 1 link) > type Node subtype V4L flags 0 > device node name /dev/video9 > pad0: Sink > <- "ipu2_ic_prpvf":1 [] > > > Best regards, > > Matthew Starr
