Subject: Re: [PATCH] arm64: dts: hisilicon: hi3660-hikey960: move role-switch endpoint into connector

From: Wei Xu <[email-masked]>
Date: Thu, 4 Jun 2026 16:48:31 +0800

Hi Akash,

On 2026/6/4 2:54, Akash Sukhavasi wrote:
> On Wed, May 20, 2026 at 04:53:25PM -0500, Akash Sukhavasi wrote:
>> The rt1711h Type-C controller on the HiKey960 has the USB role-switch
>> endpoint placed as a top-level 'port' node, outside the connector
>> subnode. This triggers two dtbs_check warnings against
>> richtek,rt1711h.yaml:
>>
>>   - 'port' does not match any of the regexes: '^pinctrl-[0-9]+$'
>>   - connector:ports: 'port@0' is a required property
>>
>> Move the role-switch endpoint into the connector's port@0, which is
>> where usb-connector.yaml expects it. Update the DWC3 remote-endpoint
>> phandle accordingly.
>>
>> The TCPM core (tcpm.c) looks up the role switch starting from the
>> connector fwnode via fwnode_usb_role_switch_get(). With the endpoint
>> inside the connector's port@0, it is found through the primary lookup
>> path rather than the device-level fallback.
>>
>> Cross-compiled for arm64. Verified with dt_binding_check and
>> dtbs_check. Not runtime-tested on hardware.
>>
>> Signed-off-by: Akash Sukhavasi <[email-masked]>
>> ---
>>  .../boot/dts/hisilicon/hi3660-hikey960.dts      | 17 +++++++----------
>>  1 file changed, 7 insertions(+), 10 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
>> index c6056a85c..27fb08d34 100644
>> --- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
>> +++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
>> @@ -550,6 +550,12 @@ usb_con: connector {
>>  			ports {
>>  				#address-cells = <1>;
>>  				#size-cells = <0>;
>> +				port@0 {
>> +					reg = <0>;
>> +					usb_con_hs: endpoint {
>> +						remote-endpoint = <&dwc3_role_switch>;
>> +					};
>> +				};
>>  				port@1 {
>>  					reg = <1>;
>>  					usb_con_ss: endpoint {
>> @@ -558,15 +564,6 @@ usb_con_ss: endpoint {
>>  				};
>>  			};
>>  		};
>> -		port {
>> -			#address-cells = <1>;
>> -			#size-cells = <0>;
>> -
>> -			rt1711h_ep: endpoint@0 {
>> -				reg = <0>;
>> -				remote-endpoint = <&dwc3_role_switch>;
>> -			};
>> -		};
>>  	};
>>  
>>  	adv7533: adv7533@39 {
>> @@ -683,7 +680,7 @@ port {
>>  		#size-cells = <0>;
>>  		dwc3_role_switch: endpoint@0 {
>>  			reg = <0>;
>> -			remote-endpoint = <&rt1711h_ep>;
>> +			remote-endpoint = <&usb_con_hs>;
>>  		};
>>  
>>  		dwc3_ss: endpoint@1 {
>> --
> 
> Hi Wei,
> 
> Friendly ping on this one.
> Also, is the hikey960 board still actively taking fixes?
> 

Sorry for the late reply!
Fine to me and applied to the HiSilicon arm64 dt tree.
Thanks!

Best Regards,
Wei