[RFC 3/3] arm64: dts: qcom: sa8775p-ride: Enable support for firmware managed resources

Sriram Dash quic_sriramd at quicinc.com
Tue Mar 5 10:03:54 PST 2024


On 3/5/2024 10:38 PM, Krzysztof Kozlowski wrote:
> On 05/03/2024 17:57, Sriram Dash wrote:
>> Establish the channel and domain mapping for the power domains to connect
>> with firmware, enabling the firmware to handle the assigned resources.
>> Since these delegated resources will remain invisible to the operating
>> system, ensure that any references to them are removed.
>>
>> Signed-off-by: Sriram Dash <quic_sriramd at quicinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 96 +++++++++++++++++++++++++------
>>   1 file changed, 77 insertions(+), 19 deletions(-)
> 
> Do not mix DTS patches with submissions to netdev or USB.
> 
> Please put it inside your internal guides, so you will not be repeating
> this over and over.
> 

Sure. Will take care. Thanks.

>>
>> diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
>> index 26ad05b..b6c9cac 100644
>> --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
>> +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
>> @@ -764,8 +764,18 @@
>>   };
>>   
>>   &usb_0 {
>> -	pinctrl-names = "default";
>> -	pinctrl-0 = <&usb0_en_state>;
>> +	/delete-property/ clocks;
>> +	/delete-property/ clock-names;
>> +	/delete-property/ assigned-clocks;
>> +	/delete-property/ assigned-clock-rates;
>> +	/delete-property/ required-opps;
>> +	/delete-property/ resets;
>> +	/delete-property/ interconnects;
>> +	/delete-property/ interconnect-names;
>> +
>> +	power-domains = <TODO>, <TODO>;
> 
> This wasn't even tested.
> 

This is tested with the specific power domains in place
of <TODO>. SCMI interface is used for the power domains.

> Best regards,
> Krzysztof
> 



More information about the linux-phy mailing list