On 2025/1/12 16:47, Dragan Simic wrote: > Hello Junhao, > > On 2025-01-12 08:33, Junhao Xie wrote: >> Add dts for Ariaboard Photonicat RK3568. >> >> Working IO: >> Debug UART >> SDIO QCA9377 WiFi and Bluetooth >> M.2 E-Key PCIe WiFi and Bluetooth >> M.2 B-Key USB Modem WWAN >> Ethernet WAN Port >> MicroSD Card slot >> eMMC >> HDMI Output >> Mali GPU >> USB Type-A >> >> Not working IO: >> Ethernet LAN Port (Lack of SGMII support) >> Power management MCU on UART4 (Driver pending) >> >> Not working IO in MCU: >> Battery voltage sensor >> Board temperature sensor >> Hardware Power-off >> Hardware Watchdog >> Network status LED >> Real-time clock >> USB Charger voltage sensor >> >> About onboard power management MCU: >> A heartbeat must be sent to the MCU within 60 seconds, >> otherwise the MCU will restart the system. >> When powering off, a shutdown command needs to be sent to the MCU. >> When the power button is long pressed, the MCU will send a shutdown >> command to the system. If system does not shutdown within 60 seconds, >> the power will be turned off directly. >> MCU only provides voltage for charger and battery. >> Manufacturer removed RK8xx PMIC. > > Unless the design of the board is proprietary, it would be good > to provide a link to the board schematic, for those interested > in verifying the board DT file. > > As a note, I already tried to find the board schematic with no > success, so the design might be proprietary. Yes, this board is proprietary. I asked the manufacturer and they don't provide schematics. But I found a partial schematic diagram of some of connectors on the board here https://dl.ariaboard.com/photonicat_rk3568/Photonicat%20rk3568%20EVB%20Board%20spec.pdf Best regards, Junhao