Re: [PATCH v6 3/3] arm64: dts: rockchip: add dts for Ariaboard Photonicat RK3568

[Junhao Xie <bigfoot@classfun.cn>]

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