Re: [PATCH] arm64: dts: qcom: monaco-evk: Enable Bluetooth support

From: Wei Deng
Date: Tue Nov 18 2025 - 02:10:20 EST


Hi Rob,

Thanks for your comments.

On 11/15/2025 12:18 AM, Rob Herring wrote:
> On Fri, Nov 14, 2025 at 10:06 AM Rob Herring (Arm) <robh@xxxxxxxxxx> wrote:
>>
>>
>> On Thu, 13 Nov 2025 18:35:19 +0530, Wei Deng wrote:
>>> There's a WCN6855 WiFi/Bluetooth module on an M.2 card. To make
>>> Bluetooth work, we need to define the necessary device tree nodes,
>>> including UART configuration and power supplies.
>>>
>>> Since there is no standard M.2 binding in the device tree at present,
>>> the PMU is described using dedicated PMU nodes to represent the
>>> internal regulators required by the module.
>>>
>>> The module provides a 3.3V supply, which originates from the
>>> main board’s 12V rail. To represent this power hierarchy in the device
>>> tree, add a fixed 12V regulator node as the DC-IN source and link it
>>> to the 3.3V regulator node.
>>>
>>> Signed-off-by: Wei Deng <wei.deng@xxxxxxxxxxxxxxxx>
>>> ---
>>> arch/arm64/boot/dts/qcom/monaco-evk.dts | 99 +++++++++++++++++++++++++
>>> 1 file changed, 99 insertions(+)
>>>
>>
>>
>> My bot found new DTB warnings on the .dts files added or changed in this
>> series.
>>
>> Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
>> are fixed by another series. Ultimately, it is up to the platform
>> maintainer whether these warnings are acceptable or not. No need to reply
>> unless the platform maintainer has comments.
>>
>> If you already ran DT checks and didn't see these error(s), then
>> make sure dt-schema is up to date:
>>
>> pip3 install dtschema --upgrade
>>
>>
>> This patch series was applied (using b4) to base:
>> Base: attempting to guess base-commit...
>> Base: tags/next-20251112 (exact match)
>> Base: tags/next-20251112 (use --merge-base to override)
>>
>> If this is not the correct base, please add 'base-commit' tag
>> (or use b4 which does this automatically)
>>
>> New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/qcom/' for 20251113130519.2647081-1-wei.deng@xxxxxxxxxxxxxxxx:
>>
>> arch/arm64/boot/dts/qcom/monaco-evk.dtb: wcn6855-pmu (qcom,wcn6855-pmu): 'vddpcielp3-supply', 'vddpcielp9-supply' do not match any of the regexes: '^pinctrl-[0-9]+$'
>> from schema $id: http://devicetree.org/schemas/regulator/qcom,qca6390-pmu.yaml
>> arch/arm64/boot/dts/qcom/monaco-evk.dtb: wcn6855-pmu (qcom,wcn6855-pmu): 'vddpcie1p3-supply' is a required property
>> from schema $id: http://devicetree.org/schemas/regulator/qcom,qca6390-pmu.yaml
>> arch/arm64/boot/dts/qcom/monaco-evk.dtb: wcn6855-pmu (qcom,wcn6855-pmu): 'vddpcie1p9-supply' is a required property
>> from schema $id: http://devicetree.org/schemas/regulator/qcom,qca6390-pmu.yaml
>
> This is the 3rd report of your typos. Is there some reason you are
> ignoring the reports?
>

Sorry for the delayed response. These warnings are worth addressing
and will be resolved in the next patch.

> Rob

--
Best Regards,
Wei Deng