Re: [PATCH v2 3/3] arm64: dts: qcom: glymur-zenbook-a16: Add Embedded Controller

[Konrad Dybcio]

On 9/22/26 10:31 PM, Abel Vesa wrote:
> On 26-09-22 11:33:38, Konrad Dybcio wrote:
>> From: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
>>
>> The Glymur-based Zenbook A16 features an Embedded Controller running
>> custom ASUS firmware (which is loosely based on the reference Qualcomm
>> Hamoa EC one with a lot of modifications). It provides keyboard
>> backlight control, additional temperature sensor readouts, fan speed
>> monitoring and a number of miscellaneous functions.
>>
>> Describe it.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
>> ---
>>  .../boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts    | 15 +++++++++++++--
>>  1 file changed, 13 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts b/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts
>> index 40433dc2d6cf..d3356fcd25f0 100644
>> --- a/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts
>> +++ b/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts
>> @@ -670,8 +670,19 @@ &i2c9 {
>>  
>>  	status = "okay";
>>  
>> -	/* EC subdevice @ 0x5b */
> 
> So what is on this address then ?

The driver spawns a secondary i2c device there to service some
of the EC communication

Konrad