Re: [PATCH 1/2] arm64: dts: qcom: qcs6490-rb3gen2-industrial-mezzanine: Add model string

[Umang Chheda <umang.chheda@oss.qualcomm.com>]

Hello Dmitry,

On 3/13/2026 11:23 PM, Dmitry Baryshkov wrote:
> On Tue, Mar 10, 2026 at 02:09:58PM +0530, Umang Chheda wrote:
>> Hello Dmitry,
>>
>> On 3/10/2026 2:07 AM, Dmitry Baryshkov wrote:
>>> On Mon, Mar 09, 2026 at 05:49:35PM +0530, Umang Chheda wrote:
>>>> The RB3 Gen2 Industrial mezzanine DT file lacks a "model" property,
>>>> resulting in the hardware always being reported as the "Robotics RB3gen2".
>>>> This prevents applications and user-space tooling from distinguishing
>>>> the Industrial mezzanine Kit from other RB3Gen2 variants.
>>>>
>>>> To ensure consistent identification across all RB3 Gen2 mezzanines,
>>>> add the appropriate model string.
>>>>
>>>> Signed-off-by: Umang Chheda <umang.chheda@oss.qualcomm.com>
>>>> ---
>>>>  .../boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso   | 4 ++++
>>>>  1 file changed, 4 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso
>>>> index 619a42b5ef48..7d6e425dae89 100644
>>>> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso
>>>> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso
>>>> @@ -8,6 +8,10 @@
>>>>  #include <dt-bindings/clock/qcom,gcc-sc7280.h>
>>>>  #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
>>>>
>>>> +&{/} {
>>>> +	model = "Qualcomm Technologies, Inc. QCS6490 RB3gen2 Industrial Mezzanine";
>>> So, what happens if I combine Industrial and Vision mezzanines?
>> H/W does not support to connect both Industrial and vision mezzanine at same time - only single mezzanine can be
>>
>> connected at a given point in time - hence probably the above scenario would never occur.
> Industrial mezzanine has all LS and HS connectors, so it is possible to
> stack Vision mezz on top of the industrial one.

I re-checked - from f/w side as well multiple DTSO selection is not supported - and at a single point in time only single mezz can be selected
considering above point - is it okay to have this patch ? I believe it would be good to have model string in the DTSO file added.
Kindly share your views

Thanks,
Umang
>