Re: [PATCH 3/3] arm64: dts: qcom: Add Samsung Galaxy Book2 Go

[Konrad Dybcio]

On 10/14/26 9:13 AM, Luca Weiss wrote:
> On Wed Oct 14, 2026 at 3:28 AM CEST, Dmitry Baryshkov wrote:
>> On Tue, Oct 13, 2026 at 12:17:05PM +0200, Luca Weiss wrote:
>>> On Tue Oct 13, 2026 at 12:10 PM CEST, Konrad Dybcio wrote:
>>>> On 10/12/26 8:11 PM, Luca Weiss wrote:
>>>>> From: Jasper Korten <jja2000@xxxxxxxxx>

[...]


>>>> I'm assuming there's no pmic-glink on this device?
>>>
>>> I'm not quite sure yet how the USB stuff works. For sure from
>>> observation, USB-C only works when stuff was plugged-in at boot time
>>> (UEFI?), and charger also only supplies any power (but not actually
>>> charging) when plugged in at boot time.
>>
>> This means that something is not 100% correct, for example, missing EC
>> support.
> 
> For sure some bits are missing. This laptop doesn't have an EC per-se,
> it's got a "EMEC" - Emulated EC, where on Windows there's just a bunch
> of drivers handling EC-like functionality.
> 
> So e.g. already for battery, we just talk with the sbs-battery directly.
> I assume this will be the case for the other components on this laptop
> as well.

I guess sweeping the i2c busses would be a good start. The other day
we got a contribution for a SM8550-based Samsung tablet which also
didn't have pmic-glink, but used a SM5714 IC instead:

https://lore.kernel.org/linux-arm-msm/f7ba4d5a-0e8c-417d-a1fd-5b5e392df71a@xxxxxxxxxx/

Konrad