From: "Yann E. MORIN" <yann.morin.1998@free.fr>
To: Peter Seiderer <ps.report@gmx.net>
Cc: Martin Bark <martin@barkynet.com>,
Arthur Courtel <arthur.courtel@smile.fr>,
Mahyar Koshkouei <mahyar.koshkouei@gmail.com>,
buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH v5 2/6] board/raspberrypicm4io: enable RTC and USB overlays
Date: Sun, 17 Oct 2021 22:27:17 +0200 [thread overview]
Message-ID: <20211017202717.GR2400@scaer> (raw)
In-Reply-To: <20210921202137.7092-2-ps.report@gmx.net>
Peter, All,
On 2021-09-21 22:21 +0200, Peter Seiderer spake thusly:
> - add RTC and USB dtoverlay entries to config_cm4io.txt
Why specifically the RTC and USB? And why only on the CM, and not the
other boards?
IIRC, dwc2 is an OTG chip, too, and it is also wired on the rpi0. Well,
by experience, I know that the rpi0 *can* do USB slave/OTG.
Regards,
Yann E. MORIN.
> Signed-off-by: Peter Seiderer <ps.report@gmx.net>
> ---
> Changes v4 -> v5:
> - new patch
> ---
> board/raspberrypi/config_cm4io.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/board/raspberrypi/config_cm4io.txt b/board/raspberrypi/config_cm4io.txt
> index 01f60395b3..cf7e6df1a1 100644
> --- a/board/raspberrypi/config_cm4io.txt
> +++ b/board/raspberrypi/config_cm4io.txt
> @@ -24,3 +24,10 @@ gpu_mem_1024=100
>
> # fixes rpi (3B, 3B+, 3A+, 4B and Zero W) ttyAMA0 serial console
> dtoverlay=miniuart-bt
> +
> +# enable RTC
> +dtparam=i2c_vc=on
> +dtoverlay=i2c-rtc,pcf85063a,i2c_csi_dsi
> +
> +# enable dwc2 USB controller (USB 2.0)
> +dtoverlay=dwc2,dr_mode=host
> --
> 2.33.0
>
> _______________________________________________
> buildroot mailing list
> buildroot@lists.buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot
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next prev parent reply other threads:[~2021-10-17 20:27 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-21 20:21 [Buildroot] [PATCH v5 1/6] package/rpi-firmware: rework boot/config file handling Peter Seiderer
2021-09-21 20:21 ` [Buildroot] [PATCH v5 2/6] board/raspberrypicm4io: enable RTC and USB overlays Peter Seiderer
2021-10-17 20:27 ` Yann E. MORIN [this message]
2021-10-17 20:54 ` Peter Seiderer
2021-10-20 19:47 ` Yann E. MORIN
2022-01-13 22:13 ` Thomas Petazzoni
2021-09-21 20:21 ` [Buildroot] [PATCH v5 3/6] board/raspberrypicm4io-64: " Peter Seiderer
2022-01-13 22:13 ` Thomas Petazzoni
2021-09-21 20:21 ` [Buildroot] [PATCH v5 4/6] package/rpi-firmware: add option for the debug set of start/fixup boot files Peter Seiderer
2021-10-17 20:22 ` Yann E. MORIN
2021-09-21 20:21 ` [Buildroot] [PATCH v5 5/6] package/rpi-firmware: convert dtb overlay install loop to make-level foreach loop Peter Seiderer
2021-10-17 20:22 ` Yann E. MORIN
2021-09-21 20:21 ` [Buildroot] [PATCH v5 6/6] package/rpi-wifi-firmware: provide convenience links for RPi3A+, RPi3B+ and RPi4B firmware configuration files Peter Seiderer
2021-10-17 20:23 ` Yann E. MORIN
2021-10-17 20:21 ` [Buildroot] [PATCH v5 1/6] package/rpi-firmware: rework boot/config file handling Yann E. MORIN
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