Thread (36 messages) 36 messages, 6 authors, 2025-02-26

Re: [RFC PATCH v1 0/6] rockchip: add a functional usb3 phy driver for rk3328

From: Peter Geis <hidden>
Date: 2025-01-16 14:03:09
Also in: linux-arm-kernel, linux-clk, linux-phy, linux-rockchip, lkml

On Wed, Jan 15, 2025 at 8:25 AM Piotr Oniszczuk
[off-list ref] wrote:

quoted
Wiadomość napisana przez Peter Geis [off-list ref] w dniu 15 sty 2025, o godz. 14:15:
quoted

pls find:

dtsi: https://gist.github.com/warpme/6af9e2778fb06bfb47b64f98fe79d678
and dt: https://gist.github.com/warpme/79340c54c87b2b1e52f2a146461d8c9f


and compiled .dtb
It all looks good.
Do you have any CRU errors in the boot log?
Can you check for the presence of clk_ref_usb3otg in
/sys/kernel/debug/clk/clk_summary?
quoted
cru errors in dmesg - seems no any.
here is my dmesg: https://gist.github.com/warpme/ecf38482cc88fb68471355d011ecf974

For clk_ref_usb3otg i’m getting following:

root@myth-frontend-e67a8de4c815:~ # cat /sys/kernel/debug/clk/clk_summary | grep usb3
    clk_usb3otg_suspend              0       0        0        30770       0          0     50000      N      deviceless                      no_connection_id
    clk_usb3otg_ref                  0       0        0        24000000    0          0     50000      N      deviceless                      no_connection_id
    clk_ref_usb3otg                  0       0        0        24000000    0          0     50000      Y      deviceless                      no_connection_id
                   pclk_usb3_grf     0       0        0        75000000    0          0     50000      Y                     deviceless                      no_connection_id
                   pclk_usb3phy_pipe 0       0        0        75000000    0          0     50000      N                     deviceless                      no_connection_id
                   pclk_usb3phy_otg  0       0        0        75000000    0          0     50000      N                     deviceless                      no_connection_id
          clk_ref_usb3otg_src        0       0        0        37500000    0          0     50000      N            deviceless                      no_connection_id
                   aclk_usb3otg      0       0        0        150000000   0          0     50000      N                     deviceless                      no_connection_id
I'm at a loss here, I applied the patches to a clean 6.9 tree and even
built it as a module (thank you for the sentinel). I have no issues.
I'm wondering if it's your .config or something about your bootloader.
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