Re: Conflict DS1307 and MAX77620

Hello all.

Thank you for the comments. I tried 14,0-RC4 and it worked as expected. I
will switch to 14.0 once it is released.

Best regards,
furaisanjin

2023年11月13日(月) 20:40 Andrew Turner <[email protected]>:

>
> On 12 Nov 2023, at 22:29, 風來散人 <[email protected]> wrote:
>
> Hello all.
>
> I found that a similar discussion was done almost 2 years ago.
>
> https://lists.freebsd.org/archives/freebsd-arm/2021-November/000600.html
>
> I'm using the official FreeBSD 13.2 release.
>
> uname -a
> FreeBSD macavity 13.2-RELEASE-p4 FreeBSD 13.2-RELEASE-p4 GENERIC arm64
> freebsd-version -kru
> 13.2-RELEASE-p4
> 13.2-RELEASE-p4
> 13.2-RELEASE-p5
>
> I created overlay dtb files for i2c and ds1307, and loaded them at boot.
> FreeBSD detected ds1360 as MAX77620 like below.
>
> Nov 12 16:17:18 localhost kernel: rtc1: <MAX77620 RTC> at addr 0xd0 on
> iicbus0
> Nov 12 16:17:18 localhost kernel: rtc1: registered as a time-of-day clock,
> resolution 1.000000s
>
> My SBC just has Allwinner H5 and nothing like tegra210. I created a custom
> kernel to remove tegra210. The custom kernel is fine and can detect ds1307
> correctly.
>
> Nov 13 06:21:52 localhost kernel: ds13070: <Dallas DS1307> at addr 0xd0 on
> iicbus0
> Nov 13 06:21:52 localhost kernel: ds13070: registered as a time-of-day
> clock, resolution 1.000000s
>
> Is there any way to disable max77620 without creating a custom kernel?
>
>
> It looks like this might have been fixed in
> https://cgit.freebsd.org/src/commit/?id=a534b50e245d8, however this
> wasn’t MFCd to the stable/13 branch. You could try cherry-picking that
> patch, or test with 14-RELEASE when it’s released to see if it helps.
>
> Andrew
>
>