#linux-rockchip on 2024-10-15 — irc logs at libera.irclog.whitequark.org

2023-07-10 07:36 mmind00 changed the topic of #linux-rockchip to: Rockchip development discussion | public log at https://libera.irclog.whitequark.org/linux-rockchip

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00:43 <naoki> mmm

00:43 <naoki> how to enable fusb302...

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01:11 <dliviu> naoki: look at Documentation/devicetree/bindings/usb/fcs,fusb302.yaml for an example. Also, look for Sebastian Reichel's patches for TCPM in U-Boot, it uses FUSB302

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04:04 <wens> some of the rk3399 boards also have fusb302 enabled

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08:54 <naoki> hmm... nothing is changed under /sys/class/power_supply/tcpm-source-psy-4-0022/

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09:26 <qschulz> naoki: not accepted or not merged yet?

09:26 <qschulz> could just be that it slipped through and you need to ping :)

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09:27 <naoki> qschulz: not reviewed yet... I'll ping ;)

09:28 <qschulz> naoki: maybe rebase to check everything is still working

09:28 <naoki> ah sure

09:29 <qschulz> especially with reagrds to the defconfig, maybe things changed globally and/or for the SoC in general

09:31 <naoki> I guess XPL_ changes may be big change (I don't see diffs yet)

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12:14 <Kwiboo> dsimic: I have a work-in-progress commit for showing soc variant in u-boot ready: https://github.com/Kwiboo/u-boot-rockchip/commit/74f1e6d2db8e930c9d294afb6f0dbdf33b93683f correctly shows RK3566, RK3566T, RK3568, RK3568B2 and RK3568J on the boards I have tested

12:15 <Kwiboo> something similar is also working for rk3588, tested with RK3582, RK3588, RK3588S and RK3588S2, will send patches later

12:19 <qschulz> Kwiboo: I could test for RK3588J here as well if necessary

12:30 <Kwiboo> qschulz: great and thanks, will send patches later, basic principal seem to be "specification_serial_number" is the suffix letter (this matches checks for M and J in vendor code) and the "package_serial_number" matches the suffix revision (wild guess and seem to match on the B2 and S2 variants)

12:31 <qschulz> can only speed for RK3588/RK3588M/RK3588J but yes, only from the specification_serial_number

12:31 <qschulz> speak*

12:32 <qschulz> Kwiboo: https://git.theobroma-systems.com/tiger-linux.git/tree/drivers/cpufreq/rockchip-cpufreq.c#n190

12:36 <Kwiboo> yeah, that and similar checks for 0xd and 0xa for gpu, npu and opp code also contains similar checks made me test the theory and it also matches for B and S, however not for RK3566T that one is special and resported as A

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12:41 <qschulz> IIRC we also have some RK3399K and PX30K somewhere :)

12:42 <qschulz> no clue how those are detected though

12:48 <Kwiboo> vendor rk3399.dtsi shows a specification-serial-number@6 for efuse, could be similar, for px30/rk3326 I have not found any "specification" reference

12:49 <Kwiboo> rk3308 has a chip_id reg in grf, can be used to determin rk3308, rk3308b or rk3308b-s

12:51 <qschulz> Kwiboo: yeah, there's code in cpufreq driver but no nice comment (or in the commit message) to say which value represents what

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13:26 <Kwiboo> qschulz: yeah looking at that rk3399 the "value == 0xb" is possible the K variant: '@' + 0xb = 'K'

13:29 <qschulz> Kwiboo: yeah but there were other variants of the rk3399 IIRC

13:29 <qschulz> RK3399T and OP1 for starters

13:33 <Kwiboo> hehe, true, I think I have regular, T and OP1 variants of rk3399, will try to dump efuse and see if I can see some pattern later

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