Re: [PATCH V3 1/5] dt-bindings: embedded-controller: Add EC bindings for Qualcomm reference devices

[Sibi Sankar <sibi.sankar@oss.qualcomm.com>]

On 3/10/2026 2:36 AM, Dmitry Baryshkov wrote:
> On Mon, Mar 09, 2026 at 05:06:42AM +0530, Sibi Sankar wrote:
>> From: Maya Matuszczyk <maccraft123mc@gmail.com>
>>
>> Add bindings for the EC firmware running on Hamoa/Purwa and Glymur
>> reference devices, which run on IT8987 and Nuvoton MCUs respectively.
>>
>> Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
>> Co-developed-by: Sibi Sankar <sibi.sankar@oss.qualcomm.com>
>> Signed-off-by: Sibi Sankar <sibi.sankar@oss.qualcomm.com>
>> ---
>>   .../embedded-controller/qcom,hamoa-ec.yaml    | 52 +++++++++++++++++++
>>   1 file changed, 52 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/embedded-controller/qcom,hamoa-ec.yaml
> Looking at the DSDT database at [1], several laptops are using the same
> protocol for the EC. Do we plan to use this driver for other
> Linux-supported laptops too?


It's very likely that the fan control/thermal bits are identical so
re-using this driver would make sense. That said we have no insight
into how the EC firmware is extended on the other laptops, so
adding support to them would still involve a bit of experimentation
and access to those devices.