Re: [meta-arago][master][PATCH 1/2] conf: machine: am62a: Fix overlays in KERNEL_DEVICETREE_PREFIX

On 3/17/26 9:10 AM, Judith Mendez wrote:
> Hi Andrew, Ryan,
> 
> On 3/17/26 8:21 AM, Ryan Eatmon wrote:
>>
>>
>> On 3/16/2026 5:19 PM, Andrew Davis wrote:
>>> On 3/16/26 5:18 PM, Judith Mendez wrote:
>>>> There have been changes in k3-am62x* overlays due to conflicts
>>>> in DT, so update KERNEL_DEVICETREE_PREFIX for AM62A SK appropriately.
>>>>
>>>> Signed-off-by: Judith Mendez <[email protected]>
>>>> ---
>>>>   meta-ti-bsp/conf/machine/am62axx-evm.conf | 8 +++++++-
>>>>   1 file changed, 7 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/meta-ti-bsp/conf/machine/am62axx-evm.conf b/meta-ti-bsp/ conf/machine/am62axx-evm.conf
>>>> index 32ae2490..01955470 100644
>>>> --- a/meta-ti-bsp/conf/machine/am62axx-evm.conf
>>>> +++ b/meta-ti-bsp/conf/machine/am62axx-evm.conf
>>>> @@ -6,7 +6,13 @@ require conf/machine/include/am62axx.inc
>>>>   KERNEL_DEVICETREE_PREFIX = " \
>>>>       ti/k3-am62a7 \
>>>> -    ti/k3-am62x-sk \
>>>> +    ti/k3-am62x-sk-csi2 \
>>>
>>> "ti/k3-am62x-sk" is already a prefix of "ti/k3-am62x-sk-csi2", does this change do anything?
> 
> I am removing ti/k3-am62x-sk first andrew.
>>
>> Andrew,
>>
>> If you are right, then this locks the machine down to not pick up future additions under the ti/k3-am62x-sk pattern in the future.  That's what it does...  which would not be "Good (TM)" if you are correct.
> 
> Some ti/k3-am62x-* overlays no longer apply to am62a platform. We can
> keep ti/k3-am62x-sk but it will cause confusion since at least the
> following overlays no longer apply to am62a:
> 
> k3-am62x-sk-dmtimer-pwm.dtso
> k3-am62x-sk-mcan.dtso
> 
> Is there some kind of blacklist for overlays not to be included for a
> platform?
> 

There is no issue with adding extra DTB and DTBO files. This is always
the case as one machine config often supports multiple similar boards.
It is up to the user/bootloader to pick up and apply the correct DTB
and overlays for the given board.

Andrew

> ~ Judith
> 
> 
> 
>>>
>>>> +    ti/k3-am62x-sk-ecap-capture \
>>>> +    ti/k3-am62x-sk-eqep \
>>>> +    ti/k3-am62x-sk-hdmi \
>>>> +    ti/k3-am62x-sk-lpm \
>>>> +    ti/k3-am62x-sk-mcspi-loopback \
>>>> +    ti/k3-am62x-sk-pwm \
>>>>       ti/k3-fpdlink \
>>>>       ti/k3-v3link \
>>>>   "
>>>
>>
>