[PATCH v2] ARM: dts: i.MX8MM: describe feature controller
Sascha Hauer
sha at pengutronix.de
Tue Aug 30 23:41:26 PDT 2022
On Tue, Aug 30, 2022 at 09:50:45AM +0200, Ahmad Fatoum wrote:
> Now with i.MX8M feature controller driver support available, have the
> OCOTP provide feature control on the i.MX8MM to ensure the kernel DT
> does not cause Linux to access the VPU and its power domains,
> when barebox knows them to be unavailable.
>
> This is needed because the upstream kernel imx8mm.dtsi only
> describes the full-featured SoC, which can lead to hangs when
> instantiating drivers for hardware that's unavailable in a
> less-featureful variant of the SoC.
>
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
> v1 was RFC patch 10/10 of:
> https://lore.barebox.org/barebox/20220818051955.2088238-11-a.fatoum@pengutronix.de/T/#u
>
> Patches 01-08 are still applicable, this replaces the approach in v1
> with a standalone feature controller with having the OCOTP as feature
> controller, like is done for i.MX8MN in patch 08/10 of above referenced
> series.
> ---
> arch/arm/dts/imx8mm.dtsi | 52 ++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 52 insertions(+)
Applied, thanks
Sascha
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
More information about the barebox
mailing list