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关于众云世纪rk3399无法识别usb 2.0的疑问 #4

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yao-weijie opened this issue Feb 9, 2024 · 1 comment
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关于众云世纪rk3399无法识别usb 2.0的疑问 #4

yao-weijie opened this issue Feb 9, 2024 · 1 comment

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@yao-weijie
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型号:众云世纪 rk3399,A2 1739A v1.5
编译源码:immortal 23.05.1 kernel 5.15.137
dts: 仓库里的dts,https://github.com/cm9vdA/build-linux/blob/master/boot/dts/rockchip/mainline/rk3399-zysj.dts
u-boot:仓库里的uboot,https://github.com/cm9vdA/build-linux/blob/master/boot/dts/rockchip/mainline/rk3399-zysj-u-boot.dtsi
zysj rk3399

也刷过ophub上6.1内核的armbian,遇到的问题和在ophub上那个issue一样,就是usb2.0 全都不可用ophub/amlogic-s9xxx-armbian#1380 (comment)
我想要用板上的minipcie接一个4G网卡,所以usb2.0不能用有点难受,所以在这里还是想请教下可能是什么原因

dts中与usb供电相关的几个引脚 70,153,157,都是out hi状态,但是就是不能用
图片

我试过改了一些引脚参数之类的,也不行

@cm9vdA
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cm9vdA commented Mar 7, 2024

现在这个dts是基于我之前那块众云世纪rk3399板子适配的,在我那块板子上USB功能都是正常的。昨天在群里问过你,你说原机固件没有备份,这样一来就没有可参考的信息,我也没什么好办法了。

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