@大法师 新建 文本文档 (3).txt 提示这个，也不知道操作的对不对，刚刚是把quiet这个删除了

@george 多谢多谢！！！

@george said in Laptop USB-C Alt Mode:

@anernest
Refer to the following document to provide EDID information and demesg information for inserting and removing HDMI.
https://www.cool-pi.com/topic/296/how-to-drive-non-standard-resolution-hdmi-displays?_=1701475254750

When I plug a desktop monitor in, the edid.bin file is empty and the monitor continues to act as if it has not been plugged in. So I plugged the portable monitor in, and the edid.bin remained empty, even though the monitor woke up and displayed the desktop. Below is the dmesg output from the time I plugged the portable monitor in (I imagine the same i2c read error would be happening with the desktop monitor): [55894.022488] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_disable] Crtc atomic disable vp0 [55922.073783] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.099121] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.124563] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.150090] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.175693] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.181007] dwhdmi-rockchip fde80000.hdmi: failed to get edid [55922.201317] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.226965] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.252690] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.278239] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.303637] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.308948] dwhdmi-rockchip fde80000.hdmi: failed to get edid [55922.390272] dwhdmi-rockchip fde80000.hdmi: use tmds mode [55922.390290] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] Update mode to 1920x1080p60, type: 11(if:800) for vp0 dclk: 148500000 [55922.390313] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] dclk_out0 div: 0 dclk_core0 div: 2 [55922.390317] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] set dclk_vop0 to 148500000, get 148500000 [55922.407006] rockchip-hdptx-phy-hdmi fed60000.hdmiphy: hdptx_ropll_cmn_config bus_width:16a8c8 rate:1485000 [55922.407270] rockchip-hdptx-phy-hdmi fed60000.hdmiphy: hdptx phy pll locked! [55922.414228] dwhdmi-rockchip fde80000.hdmi: final tmdsclk = 148500000 [55922.414247] dwhdmi-rockchip fde80000.hdmi: don't use dsc mode [55922.414249] dwhdmi-rockchip fde80000.hdmi: dw hdmi qp use tmds mode [55922.414253] rockchip-hdptx-phy-hdmi fed60000.hdmiphy: bus_width:0x16a8c8,bit_rate:1485000 [55922.414438] rockchip-hdptx-phy-hdmi fed60000.hdmiphy: hdptx phy lane locked! [55922.467217] usb 5-1: new full-speed USB device number 4 using xhci-hcd [55922.507150] dwhdmi-rockchip fde80000.hdmi: use tmds mode [55922.561497] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.586994] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.608497] usb 5-1: New USB device found, idVendor=1a86, idProduct=e5e3, bcdDevice= 0.00 [55922.608504] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [55922.608507] usb 5-1: Product: TeNizo_R7Series_TC [55922.608510] usb 5-1: Manufacturer: TeNizo [55922.612274] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.622167] input: TeNizo TeNizo_R7Series_TC as /devices/platform/usbdrd3_1/fc400000.usb/xhci-hcd.4.auto/usb5/5-1/5-1:1.0/0003:1A86:E5E3.0008/input/input14 [55922.622551] hid-multitouch 0003:1A86:E5E3.0008: input,hidraw4: USB HID v1.00 Device [TeNizo TeNizo_R7Series_TC] on usb-xhci-hcd.4.auto-1/input0 [55922.637682] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.663245] dwhdmi-rockchip fde80000.hdmi: i2c read err! [55922.668566] dwhdmi-rockchip fde80000.hdmi: failed to get edid [55924.770530] dwhdmi-rockchip fde80000.hdmi: use tmds mode [55924.787232] dwhdmi-rockchip fde80000.hdmi: use tmds mode [55924.803857] dwhdmi-rockchip fde80000.hdmi: use tmds mode [55955.039625] dwhdmi-rockchip fde80000.hdmi: use tmds mode [55955.293468] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_disable] Crtc atomic disable vp2 [55955.322826] dwhdmi-rockchip fde80000.hdmi: use tmds mode [55955.373026] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_disable] Crtc atomic disable vp0 [55955.423668] rockchip-vop2 fdd90000.vop: [drm:vop2_wait_power_domain_off] *ERROR* wait pd7 off timeout power_ctrl: 0x7f [55955.440413] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_disable] *ERROR* unexpected power on pd7 [55955.449779] dwhdmi-rockchip fde80000.hdmi: use tmds mode

@george 好的，我看看

@george got it, thanks! Looking forward for proper wiring solution. Meanwhile, I'll try to put together some custom wiring.

@Xelef2000
7e57ff02-b5e0-4faf-b8aa-5ac08e95e6f8-image.png
MIPI-LVDS-TC358775.pdf
TC358775.DSN

👍 👍 👍 👍

BuildRoot 也要跟上呀

@george 好的

@Albert
默认密码组合列表

coolpi/coolpi coolpi/123 ubuntu/coolpi

好的啊👍

@george 好的，谢谢啦

@george Thank you. This is very helpful.

@Albert
问题1：uboot是否开源并且支持修改调试? github上有uboot源码，支持修改调试。https://github.com/orgs/yanyitech/repositories
问题2：设备树dts是否开源，比如我可以挂载一个slave到i2c控制器上，我可以在设备树上添加； 内核代码也是开源的，支持修改。

问题3：CM5原厂有没有维护一个linux kernel版本，如果有的话，是否提供；Github上面有

问题4：想使用nfs挂载根文件系统，有没有相关的文档教程之类的；这个自行网络搜索解决。

@Albert 可以的。

@george 哦，那就不用交叉了哈，谢谢啦！

@anernest
This product is designed for enthusiasts and is very suitable for DIY users to develop, assemble, and build their own. Currently, after dismantling the machine, they do not enjoy after-sales policies. However, various accessories of the machine, including motherboards, core board and shell materials, can be sold separately for secondary sales. And we have a dedicated team to assist users in solving various problems in use and design. Notebook products are an extension of the CM5 core board, and currently there is no separate theme in the community. If you have any questions, you can directly post them under the CM5 theme. Thank you for your support.

The latest laptop motherboard design has changed the WiFi section to a standard M2 interface, making it easy for users to replace according to different needs. Early machines can also be upgraded by replacing the motherboard.
7491a67a-d56e-492a-82ed-cef57f5b6414-image.png
e84ff128-7df5-44c6-881f-3a66caa8add3-image.png
7680b502-268b-4213-a05e-07da54eae409-image.png

@LinuxRk3588
1.CM5-EVB的typec接口只有供电功能，没有USB和DP功能。
2.调试接口可以使用TTL或者网口，这个底板的原理图和PCB文件在wiki可以下载。图纸上有完整的信号定义。
3.SATA电源是标准的12V 5V设计，丝印上也有标注。
4.上层的USB3.0接口是OTG接口，可以软件配置HOST或者DEVICE功能，其它USB接口都是HOST。

@jugg 手动或自动，你可以评估选择。分区必须要有才能挂载

@qys2022 没有反。

@大法师Thanks for your reply. Have a great weekend

@george 好的，谢谢啦，主要担心影响系统，导致ubuntu启动过程出问题。

@大法师 是arm64的

@george 进不去网页

@hassan_cheng 可以支持深度休眠唤醒，CM5 核心板休眠功耗5V/3MA左右。WIFI暂时不支持深度休眠唤醒。

@lrx 是有什么需求，需要改动uboot？

@jack_admin 好了👍 👍 👍 ，谢谢各位

@Jachyn 完整log，不要猜哈