Re: [PATCH v2 2/2] drm/bridge: anx7688: Add anx7688 bridge driver support

From: Icenowy Zheng
Date: Fri Mar 06 2020 - 03:54:24 EST


å 2020-03-06ææäç 09:46 +0100ïEnric Balletbo i Serraåéï
> Hi Ondrej,
>
> On 5/3/20 20:35, OndÅej Jirman wrote:
> > Hi,
> >
> > On Thu, Mar 05, 2020 at 10:29:33AM -0800, Vasily Khoruzhick wrote:
> > > On Thu, Mar 5, 2020 at 7:28 AM Enric Balletbo i Serra
> > > <enric.balletbo@xxxxxxxxxxxxx> wrote:
> > > > Hi Vasily,
> > >
> > > CC: Icenowy and Ondrej
> > > > Would you mind to check which firmware version is running the
> > > > anx7688 in
> > > > PinePhone, I think should be easy to check with i2c-tools.
> > >
> > > Icenowy, Ondrej, can you guys please check anx7688 firmware
> > > version?
> >
> > i2cget 0 0x28 0x00 w
> > 0xaaaa
> >
> > i2cget 0 0x28 0x02 w
> > 0x7688
> >
> > i2cget 0 0x28 0x80 w
> > 0x0000
> >
>
> Can you check the value for 0x81 too?

root@ice-pinephone [ ~ ] # i2cdump 0 0x28
No size specified (using byte-data access)
WARNING! This program can confuse your I2C bus, cause data loss and
worse!
I will probe file /dev/i2c-0, address 0x28, mode byte
Continue? [Y/n]
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: aa aa 88 76 ac 00 00 00 00 00 00 00 00 00 05 05 ???v?.........??
10: 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0...............
20: 00 00 00 00 00 00 00 00 00 00 00 24 f2 e4 ff 00 ...........$??..
30: 06 40 00 04 94 11 20 ff ff 03 00 bf ff ff 10 01 ?@.??? ..?.?..??
40: 72 a4 00 09 00 08 05 84 15 40 17 00 00 0a 00 e0 r?.?.????@?..?.?
50: 00 00 00 0a 10 00 e0 df ff ff 00 00 00 10 71 00 ...??.??.....?q.
60: 10 10 04 29 2d 21 10 01 09 13 00 03 e8 13 88 00 ???)-!????.????.
70: 00 19 18 83 16 5c 11 00 ff 00 00 0d 04 38 42 07 .????\?....??8B?
80: 00 00 00 00 00 74 1b 19 44 08 75 00 00 00 00 00 .....t??D?u.....
90: 01 02 00 00 00 00 03 00 ff 30 00 59 01 00 00 00 ??....?..0.Y?...
a0: 00 ff fe ff ff 00 00 00 00 00 00 00 00 00 00 02 ..?............?
b0: 00 00 00 00 00 00 40 00 28 00 00 00 00 44 08 00 ......@.(....D?.
c0: 00 00 00 00 80 00 10 01 0a 10 18 00 00 fd 00 00 ....?.?????..?..
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
e0: 50 10 08 50 00 02 00 70 00 00 30 10 0b 02 1c 01 P??P.?.p..0?????
f0: 00 0b 07 00 94 11 7f 00 00 00 00 00 00 01 0e ff .??.???......??.
root@ice-pinephone [ ~ ] # i2cdump 0 0x2c
No size specified (using byte-data access)
WARNING! This program can confuse your I2C bus, cause data loss and
worse!
I will probe file /dev/i2c-0, address 0x2c, mode byte
Continue? [Y/n]
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: 29 1f 88 76 00 ac 11 00 11 20 10 10 00 00 00 00 )??v.??.? ??....
10: 03 00 ff 8f ff 7f 00 00 00 00 05 00 10 0a 0c 00 ?..?.?....?.???.
20: 00 00 00 00 99 06 c0 00 00 00 00 00 00 00 02 00 ....???.......?.
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
40: 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ?...............
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
70: b8 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ?...............
80: 01 25 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ?%..............
90: 0f 0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ??..............
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

>
> Thanks,
> Enric
>
>
> > regards,
> > o.
> >
> > > > Thanks in advance,
> > > > Enric
> > > >
> > > > [snip]