Re: [PATCH v5 3/3] arm64: dts: rockchip: Add devicetree for the 9Tripod X3568 v4

[Coia Prant <coiaprant@gmail.com>]

On November 7, 2025 6:54:45 AM GMT+08:00, Heiko Stuebner <heiko@sntech.de> wrote:
>Am Montag, 3. November 2025, 18:17:02 Mitteleuropäische Normalzeit schrieb Coia Prant:
>> The 9Tripod X3568 v4 is an RK3568-based SBC, just like the RK3568-EVB.
>> It always uses soldered connections between the X3568CV2/X3568CV3/X3568CV4 core board
>> and the X3568bv4 I/O board.
>> 
>> The differences between the core boards
>> - PCB size, layout
>> - CPU (RKK3568B2/RK3568J)
>> - Memory type (DDR4/LPDDR4/LPDDR4X) and size
>> - eMMC size
>> - DSI/EDP resistor values
>> Although the components vary, they maintain full compatibility.
>> 
>> The X3568 board has multiple hardware revisions, and we currently support v4 (I/O board).
>> 
>> Specification:
>> - SoC: RockChip RK3568 ARM64 (4 cores)
>> - eMMC: 16-128 GB
>> - RAM: 2-16 GB
>> - Power: DC 12V 2A
>> - Ethernet: 2x YT8521SC RGMII (10/100/1000 Mbps)
>> - Wireless radio: 802.11b/g/n/ac/ax dual-band
>> - LED:
>>   Power: AlwaysOn
>>   User: GPIO
>> - Button:
>>   VOL+: SARADC/0 <35k µV>
>>   VOL-: SARADC/0 <450k µV>
>>   Power/Reset: PMIC RK809
>> - CAN
>>   CAN/1: 4-pin (PH 2.0)
>> - PWM
>>   PWM/4: Backlight DSI/0 DSI/1
>>   PWM/7: IR Receiver [may not install]
>> - UART:
>>   UART/2: Debug TTL - 1500000 8N1 (1.25mm)
>>   UART/3: TTL (PH 2.0)
>>   UART/4: TTL (PH 2.0)
>>   UART/8: AP6275S Bluetooth
>>   UART/9: TTL (PH 2.0)
>> - I2C:
>>   I2C/0: PMIC RK809
>>   I2C/1: Touchscreen DSI/0 DSI/1
>>   I2C/4: Camera
>>   I2C/5: RTC@51 PCF8563
>> - I2S:
>>   I2S/0: miniHDMI Sound
>>   I2S/1: RK809 Audio Codec
>>   I2S/3: AP6275S Bluetooth Sound
>> - SDMMC:
>>   SDMMC/0: microSD (TF) slot
>>   SDMMC/2: AP6275S SDIO WiFi card
>> - Camera: 1x CSI
>> - Video: miniHDMI / DSI0 (MIPI/LVDS) / DSI1 (MIPI/EDP)
>> - Audio: miniHDMI / MIC on-board / Speaker / SPDIF / 3.5mm Headphones / AP6275S Bluetooth
>> - USB:
>>   USB 2.0 HOST x2
>>   USB 2.0 HOST x3 (4-pin)
>>   USB 2.0 OTG x1 (shared with USB 3.0 OTG/HOST) [slot may not install]
>>   USB 3.0 HOST x1
>>   USB 3.0 OTG/HOST x1
>> - SATA: 1x SATA 3.0 with Power/4-pin [slot may not install]
>> - PCIe: 1x PCIe 3.0 x2 (x4 connecter) [power/clock/slot may not install]
>> 
>> Link:
>> - https://appletsapi.52solution.com/media/X3568V4%E5%BC%80%E5%8F%91%E6%9D%BF%E7%A1%AC%E4%BB%B6%E6%89%8B%E5%86%8C.pdf
>> - https://blog.gov.cooking/archives/research-ninetripod-x3568-v4-and-flash.html
>> 
>> Signed-off-by: Coia Prant <coiaprant@gmail.com>
>
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-9tripod-x3568-v4-video-demo.dtso b/arch/arm64/boot/dts/rockchip/rk3568-9tripod-x3568-v4-video-demo.dtso
>> new file mode 100644
>> index 000000000..e7fa1ca48
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/rockchip/rk3568-9tripod-x3568-v4-video-demo.dtso
>> @@ -0,0 +1,154 @@
>> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
>> +
>> +// This is a sample reference, due to lack of hardware can not be tested, at your own risk
>
>and I've also dropped the 2nd overlay now.
>Please only ever submit patches for stuff you have actually tested.
>
>We don't really add stuff with "use at your own risk" caveats ;-)
>
>
>Heiko
>
>

Okay.

I'll ask if anyone has a camera and a screen.
This part is extracted from the original equipment tree, and has been corrected by reference to other board.

If I can find a test, I will submit a new patch.

Thanks!
Wish have a good day.

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