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meta-qcom: add DTSO and fit compatible for rb3gen2 industrial mezzanine M.2 QCC2072 variant#2244

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meta-qcom: add DTSO and fit compatible for rb3gen2 industrial mezzanine M.2 QCC2072 variant#2244
harshithareddy2904 wants to merge 2 commits into
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@harshithareddy2904 harshithareddy2904 commented May 19, 2026

Add qcs6490-rb3gen2-industrial-mezzanine-m2-cologne.dtbo to KERNEL_DEVICETREE for dtbo generation
Add qcs6490-iot-subtype13 compatible strings for M.2 QCC2072 on qcs6490-rb3gen2 industrial
mezzanine board to ensure the correct DTB is selected

@ricardosalveti
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Please explain what qcs6490-rb3gen2-industrial-mezzanine-m2-cologne is as part of your commit message, why it is needed and so on.

Follow the commit pattern you see used in this repo and explain why you are performing the changes.

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Please write commit messages as English text, describing primarily the reasons for the change. The bullet list doesn't add anything to the commit contents, it's pretty obvious from the patch itself.

Comment thread conf/machine/rb3gen2-core-kit.conf
@harshithareddy2904 harshithareddy2904 changed the title meta-qcom: add DTSO and fit compatible for rb3gen2 industrial mezzanine M.2 variant meta-qcom: add DTSO and fit compatible for rb3gen2 industrial mezzanine M.2 QCC2072 variant May 28, 2026
@harshithareddy2904 harshithareddy2904 requested a review from lumag May 29, 2026 12:15
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fit-dtb-compatible: add compatible strings for M.2 QCC2072

No, you are not adding compat strings for M.2 modules.

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lumag commented May 30, 2026

Commit subject too long

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lumag commented May 31, 2026

No stray merge commits. Also start your commit messages by describing the problem. E.g.: board foo bar is different from foo baz, uses different abc and def and thus has separate subtype.

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Rebase and fix the conflicts.

@harshithareddy2904 harshithareddy2904 force-pushed the m2-cologne branch 2 times, most recently from 6dfb42e to 0e1b8d9 Compare June 6, 2026 09:55
The qcs6490-rb3gen2 industrial mezzanine board can be equipped with a
QCC2072 M.2 bt module which requires a specific device tree overlay.
Add qcs6490-rb3gen2-industrial-mezzanine-m2-cologne.dtbo to
KERNEL_DEVICETREE for dtbo generation

Signed-off-by: Harshitha Nagaraja Reddy <harshitha.reddy@oss.qualcomm.com>
…zanine board

The combination of the rb3gen2 industrial mezzanine board and the
QCC2072 M.2 module represents a unique hardware variant identified
as board-subtype 13. This setup differs from the standard rb2gen2
industrial mezzanine (subtype 9) and requires its own compatible
string mapping for correct DTB selection by the bootloader.

Signed-off-by: Harshitha Nagaraja Reddy <harshitha.reddy@oss.qualcomm.com>
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lumag commented Jun 6, 2026

Still, there are conflicts.

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3 participants