#linux-sunxi on 2019-07-26 — irc logs at freenode.irclog.whitequark.org

2018-08-03 10:18 rellla changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi - *only registered users can talk*

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11:12 <libv> meh.

11:13 <libv> dt gpio pins definitions count from 0, not from one.

11:14 <libv> and we just happened to have PC23/24 mapped to panel power and backlight, with pd24 mapped to LCD DE

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11:15 <libv> once i fix the pin mapping in dt, i do not need any other changes, no backlight, no supply, no pinctrl

11:16 <libv> grmbl.

11:17 <hellsenberg> i hope nothing shorted out

11:17 <libv> PD23 is high bit of red

11:17 <libv> pd23 is display enable

11:17 <libv> pd24 is display enable

11:19 <libv> once i actually went and chased why those pins, and nothing else, were being set to output, instead of just assuming that this was the same-old stuf we had 5ys ago with simplefb needing to claim resources

11:19 <libv> it was actually possible to see this flaw

11:19 <hellsenberg> ouch

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12:18 <Gerwin_J> Allwinner H603

12:18 <Gerwin_J> https://www.aliexpress.com/item/4000040062518.html

12:24 <Gerwin_J> Somebody have more information about H603 ic?

12:26 <libv> "extreme 6k enjoyment"?

12:47 <fALSO> yo

12:47 <fALSO> i also saw other news

12:47 <fALSO> wait

12:47 <fALSO> i have it on my mobile

12:47 <fALSO> https://technode.com/2019/07/25/alibaba-releases-open-source-risc-v-processor-as-chinese-tech-firms-seeking-self-reliance-on-us-technology/

12:48 akaWolf1 is now known as akaWolf

12:48 <fALSO> thats probably just an H6

12:48 <fALSO> not ?

12:48 <fALSO> ahh NO

12:48 <fALSO> the image say h603

12:48 <fALSO> lol

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13:04 <fALSO> current u-boot

13:04 <fALSO> is borked

13:04 <fALSO> BINMAN u-boot-sunxi-with-spl.bin

13:04 <fALSO> binman: Unknown entry type 'blob' in node '/binman/blob'

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13:21 <Gerwin_J> @falso also video in.. but only HDMI 1.4

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13:37 <fALSO> LOL

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14:19 <libv> Gerwin_J: yeah, but until that thing has decent mainline support...

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17:37 <montjoie> MoeIcenowy: alliwinder problem fixed!

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18:55 <jernej> montjoie: MoeIcenowy: Is internal ethernet PHY, on let's say H3 or A64, handled by generic PHY driver?

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18:59 <jernej> Do any of you know the actual PHY ID? I'm just wondering if it has same ID as that found in AC200

18:59 <jernej> I hope not, because then we might have a problem

19:00 <jernej> s/then/otherwise/

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21:21 <megi> H3: Generic PHY 0.1:01: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0.1:01, irq=POLL)

21:23 <tl_lim> H603 is just cheaper version of H6, and I don't thinks it has RGMII output for GbE and CPU runs slower.

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21:41 <jernej> megi: AC200 has PHY ID 0x00441400

21:41 <jernej> is it possible to somehow read that from sysfs?

21:43 <megi> found it

21:43 <megi> 0x00441400

21:43 <megi> at /sys/class/mdio_bus/stmmac-0/device/net/eth0/phydev/phy_id

21:43 <megi> it's the same

21:44 <jernej> great, now I'm not sure how to prevent loading this driver for non-AC200 case

21:45 <megi> can't you read the DT/soc compatible from the driver?

21:46 <megi> or is that too late?

21:47 <jernej> megi: https://github.com/jernejsk/linux-1/blob/ac200/drivers/net/phy/ac200.c#L108-L112

21:47 <jernej> not sure if this can be done in any other way

21:47 <jernej> or if this will cause troubles

21:49 <tl_lim> ^^^ tell iceonowy to ask wink how to distinguish.

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21:51 <megi> I don't know

21:51 <jernej> I guess I have to test this on one board with internal phy

21:52 <jernej> I'll post this as RFC and ask few questions. This is not the only issue

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22:11 <jernej> ah, it seems that that table servers same purpose as table of compatibles for DT

22:11 <jernej> e.g. when driver is compiled as a module

22:11 <jernej> so I assume it's safe to remove that

22:11 <jernej> as DT compatible will take care for this

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