On June 25, 2026 7:07:53 PM GMT+08:00, Quentin Schulz <[email protected]> wrote: >Hi Coia, > >On 6/25/26 12:54 PM, Coia Prant wrote: >> [You don't often get email from [email protected]. Learn why this is >> important at https://aka.ms/LearnAboutSenderIdentification ] >> >> On June 25, 2026 6:30:46 PM GMT+08:00, Quentin Schulz >> <[email protected]> wrote: >>> Hi Coia, >>> >>> On 5/27/26 1:29 PM, Coia Prant wrote: >>>> [You don't often get email from [email protected]. Learn why this is >>>> important at https://aka.ms/LearnAboutSenderIdentification ] >>>> >>>> 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 <[email protected]> >>>> --- >>>> .../dts/rk3568-9tripod-x3568-v4-u-boot.dtsi | 3 + >>>> board/rockchip/evb_rk3568/MAINTAINERS | 7 ++ >>>> configs/9tripod-x3568-v4-rk3568_defconfig | 80 +++++++++++++++++++ >>>> doc/board/rockchip/rockchip.rst | 1 + >>>> 4 files changed, 91 insertions(+) >>>> create mode 100644 arch/arm/dts/rk3568-9tripod-x3568-v4-u-boot.dtsi >>>> create mode 100644 configs/9tripod-x3568-v4-rk3568_defconfig >>>> >>>> diff --git a/arch/arm/dts/rk3568-9tripod-x3568-v4-u-boot.dtsi >>>> b/arch/arm/dts/rk3568-9tripod-x3568-v4-u-boot.dtsi >>>> new file mode 100644 >>>> index 00000000000..e0cb8e3e7c8 >>>> --- /dev/null >>>> +++ b/arch/arm/dts/rk3568-9tripod-x3568-v4-u-boot.dtsi >>>> @@ -0,0 +1,3 @@ >>>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) >>>> + >>>> +#include "rk3568-u-boot.dtsi" >>> >>> This file is not necessary as if rk3568-9tripod-x3568-v4-u-boot.dtsi is not >>> present, rk3568-u-boot.dtsi will be included automatically (due to >>> CONFIG_SYS_SOC being "rk3568"). >>> >>>> diff --git a/board/rockchip/evb_rk3568/MAINTAINERS >>>> b/board/rockchip/evb_rk3568/MAINTAINERS >>>> index 030cdbe6f3d..0783fb203c3 100644 >>>> --- a/board/rockchip/evb_rk3568/MAINTAINERS >>>> +++ b/board/rockchip/evb_rk3568/MAINTAINERS >>>> @@ -1,3 +1,10 @@ >>>> +9TRIPOD-X3568-V4 >>>> +M: Coia Prant <[email protected]> >>>> +R: Jonas Karlman <[email protected]> >>> >>> I'm not sure Jonas has agreed to do this so please drop him from the >>> Reviewer, except if he publicly asks you to. >>> >>>> +S: Maintained >>>> +F: configs/9tripod-x3568-v4-rk3568_defconfig >>>> +F: arch/arm/dts/rk3568-9tripod-x3568-v4-u-boot.dtsi >>>> + >>> >>> Since you can remove the file, this line can also be removed. >>> >>>> BANANAPI-BPI-R2-PRO >>>> M: Frank Wunderlich <[email protected]> >>>> S: Maintained >>>> diff --git a/configs/9tripod-x3568-v4-rk3568_defconfig >>>> b/configs/9tripod-x3568-v4-rk3568_defconfig >>>> new file mode 100644 >>>> index 00000000000..71c0087d369 >>>> --- /dev/null >>>> +++ b/configs/9tripod-x3568-v4-rk3568_defconfig >>>> @@ -0,0 +1,80 @@ >>>> +CONFIG_ARM=y >>>> +CONFIG_SKIP_LOWLEVEL_INIT=y >>>> +CONFIG_SYS_HAS_NONCACHED_MEMORY=y >>>> +CONFIG_COUNTER_FREQUENCY=24000000 >>>> +CONFIG_ARCH_ROCKCHIP=y >>>> +CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3568-9tripod-x3568-v4" >>>> +CONFIG_ROCKCHIP_RK3568=y >>>> +CONFIG_SPL_SERIAL=y >>>> +CONFIG_DEBUG_UART_BASE=0xFE660000 >>>> +CONFIG_DEBUG_UART_CLOCK=24000000 >>>> +CONFIG_SYS_LOAD_ADDR=0xc00800 >>>> +CONFIG_PCI=y >>>> +CONFIG_DEBUG_UART=y >>>> +CONFIG_AHCI=y >>>> +CONFIG_FIT=y >>>> +CONFIG_FIT_VERBOSE=y >>>> +CONFIG_SPL_FIT_SIGNATURE=y >>>> +CONFIG_SPL_LOAD_FIT=y >>>> +CONFIG_LEGACY_IMAGE_FORMAT=y >>>> +CONFIG_DEFAULT_FDT_FILE="rockchip/rk3568-9tripod-x3568-v4.dtb" >>>> +# CONFIG_DISPLAY_CPUINFO is not set >>>> +CONFIG_DISPLAY_BOARDINFO_LATE=y >>>> +CONFIG_SPL_MAX_SIZE=0x40000 >>>> +CONFIG_SPL_PAD_TO=0x7f8000 >>>> +# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set >>>> +CONFIG_SPL_ATF=y >>>> +CONFIG_CMD_GPIO=y >>>> +CONFIG_CMD_GPT=y >>>> +CONFIG_CMD_I2C=y >>>> +CONFIG_CMD_MMC=y >>>> +CONFIG_CMD_PCI=y >>>> +CONFIG_CMD_USB=y >>>> +CONFIG_CMD_PMIC=y >>>> +CONFIG_CMD_REGULATOR=y >>>> +# CONFIG_SPL_DOS_PARTITION is not set >>>> +CONFIG_SPL_OF_CONTROL=y >>>> +CONFIG_OF_LIVE=y >>>> +# CONFIG_OF_UPSTREAM is not set >>>> +CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks >>>> assigned-clock-rates assigned-clock-parents" >>> >>> Any reason for removing clock-names from xPL DTB? >>> >>> Looks ok to me otherwise. >>> >>> Cheers, >>> Quentin >> >> Hi Quentin, >> >> Thanks for review, this is the first time I've submitted a patch to u-boot. >> > >Welcome to the community :) ! > >> I referred to some other rk3568 boards that had the clock name removed, so I >> left it as it was. There was no problem with the board starting, and I don't >> know why them remove clocks name. >> > >Yeah I guessed, it's what most people do but I don't think it should have made >it in the first place for other boards, at least not without an explanation >(maybe we need to fix a bug somewhere else such that we don't need to remove >it in xPL stages?). > >> The board is working fine. >> > >If you remove clock-names from CONFIG_OF_SPL_REMOVE_PROPS? > >Cheers, >Quentin
Hi Quentin, I have tested you said, after remove it. It still works fine. I will post PATCH v2 later. Thanks. Best, Coia

