[U-Boot] [PATCH 1/4] ARM: dts: dh-imx6: add wdt-reboot node for sysreset driver

Claudius Heine ch at denx.de
Thu Nov 28 13:42:15 UTC 2019


On 28/11/2019 14.18, Fabio Estevam wrote:
> Hi Claudius,
> 
> On Thu, Nov 28, 2019 at 10:15 AM Claudius Heine <ch at denx.de> wrote:
> 
>> That is the sysreset device node, not the imx2_wdt one. (I will move
>> that into a '*-u-boot.dtsi' in v2)
>>
>> Or am I misunderstanding you?
> 
> What I am asking is: why do we need a specific sysreset node for U-Boot?

Good question. But I don't know a better answer to that than just saying
that this is currently the way the reset is implemented in u-boot with
DM AFAIK.

> Can't we just add the wdog node the same way we do in the kernel (from
> the imx2_wdt binding) and get it to work?

Probably. But I currently don't know a way to do it that doesn't involve
implementing new code.

I am currently more or less just doing what others have done before for
similar boards (display5).


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