查看了muse pi pro开发板上贴的是长兴晶体-CX25.0 ACM2，有没有遇到相同问题的？
能否再详细描述一下具体环境
SPI不work的现象是什么和具体的log
VL817似乎是一个usb hub，你的环境具体是怎么样的呢？
我们用的晶振型号是NX3225SA
贴的也是NX3225SA
NX3225SA-25.000MHz-STD-CRS-2中文资料_最新报价_数据手册下载_NDK-无源晶振-立创商城
两块异常板1#/2#板 VL817 25M时钟幅度1.2V(1V~-0.2V)，SPI没有输出；
0# 25M 0.8V(0.7~-0.1)—能正常启动，但是时钟启动后幅度变小（~1.2V->~0.8V），和开发板不一致（保持~1.2V）
异常板lsusb输出：
lsusb -t
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=mv-ehci/1p, 480M
lsusb -v -d 2109: 2>/dev/null | grep -E "iSerial|bcdDevice|iManufacturer|iProd
uct"
lsusb -v -d 2109: 2>/dev/null | grep -E "iSerial|bcdDevice|iManufacturer|iProd
uct"
lsusb
Bus 003 Device 001: ID 1d6b:0003 Linux 6.6.63 xhci-hcd xHCI Host Controller
Bus 002 Device 001: ID 1d6b:0002 Linux 6.6.63 xhci-hcd xHCI Host Controller
Bus 001 Device 001: ID 1d6b:0002 Linux 6.6.63 ehci_hcd Spacemit EHCI
烧录官方Buildroot-K1-v2.2.10-20260604175709，问题依旧；
0#板正常启动输出：
lsusb -t
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
|__ Port 1: Dev 2, If 0, Class=, Driver=hub/4p, 5000M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
|__ Port 1: Dev 2, If 0, Class=, Driver=hub/4p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=mv-ehci/1p, 480M
lsusb -t
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
|__ Port 1: Dev 2, If 0, Class=, Driver=hub/4p, 5000M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
|__ Port 1: Dev 2, If 0, Class=, Driver=hub/4p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=mv-ehci/1p, 480M
lsusb
Bus 003 Device 002: ID 2109:0817 VIA Labs, Inc. USB3.0 Hub
Bus 003 Device 001: ID 1d6b:0003 Linux 6.6.63 xhci-hcd xHCI Host Controller
Bus 002 Device 002: ID 2109:2817 VIA Labs, Inc. USB2.0 Hub
Bus 002 Device 001: ID 1d6b:0002 Linux 6.6.63 xhci-hcd xHCI Host Controller
Bus 001 Device 001: ID 1d6b:0002 Linux 6.6.63 ehci_hcd Spacemit EHCI
lsusb -v -d 2109: 2>/dev/null | grep -E "iSerial|bcdDevice|iManufacturer|iProd
uct"
bcdDevice 90.33
iManufacturer 1 VIA Labs, Inc.
iProduct 2 USB3.0 Hub
iSerial 0
bcdDevice 90.33
iManufacturer 1 VIA Labs, Inc.
iProduct 2 USB2.0 Hub
iSerial 0
