Re: [PATCH v4 0/2] ARM: sun8i-r40: Enable usb otg support

[qianfan]

在 2022/5/23 21:11, Icenowy Zheng 写道:
> 在 2022-05-18星期三的 18:17 +0800，qianfanguijin@xxxxxxx写道：
> > From: qianfan Zhao <qianfanguijin@xxxxxxx>
> >
> > History:
> > =======
> >
> > v4(2022-05-18):
> > - Enable both musb and OHCI/EHCI support
> >
> > Tests:
> > ======
> >
> > All test cases were tested on bananapi-m2-ultra.
> >
> > 1. USB DEVICE(ping test)
> >
> > Enable usb gadget rndis network, ping m2u on ubuntu host:
> Interestingly musb previous totally fail when I initially work on R40.
> Maybe some phy-sun4i-usb patches fixed it by accident?
Hi, could you please try this patch again?
> > ➜  ~ ping 192.168.200.2
> > PING 192.168.200.2 (192.168.200.2) 56(84) bytes of data.
> > 64 bytes from 192.168.200.2: icmp_seq=1 ttl=64 time=0.544 ms
> > 64 bytes from 192.168.200.2: icmp_seq=2 ttl=64 time=0.269 ms
> > 64 bytes from 192.168.200.2: icmp_seq=3 ttl=64 time=0.300 ms
> > 64 bytes from 192.168.200.2: icmp_seq=4 ttl=64 time=0.295 ms
> > 64 bytes from 192.168.200.2: icmp_seq=5 ttl=64 time=0.283 ms
> > 64 bytes from 192.168.200.2: icmp_seq=6 ttl=64 time=0.226 ms
> > 64 bytes from 192.168.200.2: icmp_seq=7 ttl=64 time=0.246 ms
> > 64 bytes from 192.168.200.2: icmp_seq=8 ttl=64 time=0.204 ms
> > 64 bytes from 192.168.200.2: icmp_seq=9 ttl=64 time=0.302 ms
> > 64 bytes from 192.168.200.2: icmp_seq=10 ttl=64 time=0.249 ms
> > 64 bytes from 192.168.200.2: icmp_seq=11 ttl=64 time=0.459 ms
> > 64 bytes from 192.168.200.2: icmp_seq=12 ttl=64 time=0.232 ms
> > 64 bytes from 192.168.200.2: icmp_seq=13 ttl=64 time=0.275 ms
> > 64 bytes from 192.168.200.2: icmp_seq=14 ttl=64 time=0.243 ms
> >
> > 2. USB HOST(OHCI)
> >
> > Connect an usb serial port on OTG port, nex t is the kernel log:
> >
> > [   27.824137] usb 2-1: new full-speed USB device number 2 using
> > ohci-platform
> > [   28.865504] cdc_acm 2-1:1.0: ttyACM0: USB ACM device
> > [   29.565509] cdc_acm 2-1:1.2: ttyACM1: USB ACM device
> >
> > 3. USB HOST(EHCI)
> >
> > Connect an usb storage on OTG port, next is the kernel log:
> >
> > [   17.754147] usb 1-1: new high-speed USB device number 2 using
> > ehci-platform
> > [   17.955995] usb-storage 1-1:1.0: USB Mass Storage device detected
> > [   18.024497] scsi host1: usb-storage 1-1:1.0
> > [   19.035091] scsi 1:0:0:0: Direct-Access     General  USB Flash
> > Disk   1.0  PQ: 0 ANSI: 2
> > [   19.049717] sd 1:0:0:0: [sda] 7831552 512-byte logical blocks:
> > (4.01 GB/3.73 GiB)
> > [   19.060873] sd 1:0:0:0: [sda] Write Protect is off
> > [   19.071018] sd 1:0:0:0: [sda] No Caching mode page found
> > [   19.076437] sd 1:0:0:0: [sda] Assuming drive cache: write through
> > [   19.093566]  sda: sda1
> > [   19.103492] sd 1:0:0:0: [sda] Attached SCSI removable disk
> >
> > issues:
> > =======
> >
> > The system power often turned off when I plugged an usb device into
> > the OTG port.
> > It's not clear why.
> >
> > qianfan Zhao (2):
> >    ARM: dts: sun8i-r40: Add USB0_OTG/HOST support
> >    ARM: dts: bananapi-m2-ultra: Enable USB0_OTG and HOST support
> >
> >   .../boot/dts/sun8i-r40-bananapi-m2-ultra.dts  | 39
> > +++++++++++++++++++
> >   arch/arm/boot/dts/sun8i-r40.dtsi              | 34 ++++++++++++++++
> >   2 files changed, 73 insertions(+)