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

[Dmitry Baryshkov]

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@xxxxxxxxxxxxxxxx>
> >> ---
> >>  .../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.

-- 
With best wishes
Dmitry