linux-kernel - Re: [PATCH v2 5/5] arm64: dts: rockchip: rk3399-evb-ind: Add support for DisplayPort

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Message-ID: <71251cf5-edf9-489f-94db-9eb74791ea54@rock-chips.com>
Date: Fri, 18 Jul 2025 16:29:42 +0800
From: Chaoyi Chen <chaoyi.chen@...k-chips.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Chaoyi Chen <kernel@...kyi.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>,
 Kishon Vijay Abraham I <kishon@...nel.org>, Heiko Stuebner
 <heiko@...ech.de>, Sandy Huang <hjc@...k-chips.com>,
 Andy Yan <andy.yan@...k-chips.com>,
 Yubing Zhang <yubing.zhang@...k-chips.com>,
 Frank Wang <frank.wang@...k-chips.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Amit Sunil Dhamne <amitsd@...gle.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Dragan Simic <dsimic@...jaro.org>, Johan Jonker <jbx6244@...il.com>,
 Diederik de Haas <didi.debian@...ow.org>,
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-phy@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2 5/5] arm64: dts: rockchip: rk3399-evb-ind: Add support
 for DisplayPort

Hi Krzysztof,

On 2025/7/18 16:14, Krzysztof Kozlowski wrote:
> On 18/07/2025 08:26, Chaoyi Chen wrote:
>> +			altmodes {
>> +				displayport {
>> +					svid = /bits/ 16 <0xff01>;
>> +					vdo = <0xffffffff>;
>> +				};
>> +			};
>> +
>> +			ports {
>> +				#address-cells = <1>;
>> +				#size-cells = <0>;
>> +
>> +				port@0 {
>> +					reg = <0>;
>> +
>> +					usbc0_orien_sw: endpoint {
>> +						remote-endpoint = <&tcphy0_orientation_switch>;
> How did you address feedback given here? I don't see any replies.

Sorry, I miss it. The port@0 should be used for USB HS. Will fix in v3.


>
>> +					};
>> +				};
>> +
>> +				port@1 {
>> +					reg = <1>;
>> +
>> +					dp_mode_sw: endpoint {
>> +						remote-endpoint = <&tcphy_dp_altmode_switch>;
>> +					};
>> +				};
>
>
> Best regards,
> Krzysztof
>
>