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([2a01:e0a:106d:1080:192b:8d21:b456:cb51]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490454e38d6sm21819665e9.7.2026.05.21.23.44.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 21 May 2026 23:44:48 -0700 (PDT) Message-ID: <340451f1-f397-4eb9-b6ff-8c6ae1bcefcb@linaro.org> Date: Fri, 22 May 2026 08:44:48 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Reply-To: Neil Armstrong Subject: Re: [PATCH 6/6] arm64: dts: qcom: qcs6490-radxa-dragon-q6a: Enable USB3 SuperSpeed To: Graham O'Connor , linux-arm-msm@vger.kernel.org Cc: andersson@kernel.org, konradybcio@kernel.org, robin.clark@oss.qualcomm.com, lumag@kernel.org, abhinav.kumar@linux.dev, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260522060645.4399-1-graham.oconnor@gmail.com> <20260522060645.4399-7-graham.oconnor@gmail.com> From: Neil Armstrong Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260522060645.4399-7-graham.oconnor@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 5/22/26 08:06, Graham O'Connor wrote: > Enable the USB3-A port by configuring the USB HSPHY with required > regulator supplies and the QMP combo PHY with correct lane assignments > for this fixed USB-A connector. > > The QMP combo PHY shares lanes between DisplayPort and USB3 SuperSpeed. > Configure port@0 with two endpoints: endpoint@0 for DP output (lanes > 0-1) connected to the HDMI bridge, and endpoint@1 for USB3 SS output > (lanes 2-3). Remove the orientation-switch property as this is a fixed > USB-A connector with no orientation switching. > > Add a usb-a-connector node wiring the HS and SS paths to the DWC3 > controller and QMP PHY respectively. Set dr_mode to host as this is > a fixed host-only USB-A port. > > Tested on Radxa Dragon Q6A (QCS6490) with USB3 SuperSpeed confirmed > via lsusb showing 5000M link speed. > > Signed-off-by: Graham O'Connor > --- > .../dts/qcom/qcs6490-radxa-dragon-q6a.dts | 71 +++++++++++++++++++ > 1 file changed, 71 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts b/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts > index e8ad6e666..c16c3664e 100644 > --- a/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts > +++ b/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts > @@ -1198,3 +1198,74 @@ &mdss_edp { > &mdss_edp_phy { > status = "disabled"; > }; > + > +&usb_1_hsphy { > + vdda-pll-supply = <&vreg_l10c_0p88>; > + vdda18-supply = <&vreg_l1c_1p8>; > + vdda33-supply = <&vreg_l2b_3p072>; > + status = "okay"; > +}; > + > +&usb_1_qmpphy { > + vdda-phy-supply = <&vreg_l6b_1p2>; > + vdda-pll-supply = <&vreg_l1b_0p912>; > + /delete-property/ orientation-switch; > + status = "okay"; > + > + ports { > + port@0 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + /delete-node/ endpoint; > + > + /* DP output - connected to hdmi-bridge */ > + usb_dp_qmpphy_out_dp: endpoint@0 { > + reg = <0>; > + data-lanes = <0 1>; > + remote-endpoint = <&hdmi_bridge_in>; > + }; Previous patch needs this change to work, please squash. Neil > + > + /* USB3 SS output */ > + usb_dp_qmpphy_out_usb: endpoint@1 { > + reg = <1>; > + data-lanes = <2 3>; > + remote-endpoint = <&usb3_con_ss_in>; > + }; > + }; > + }; > +}; > + > +/ { > + usb3_con: connector { > + compatible = "usb-a-connector"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + usb3_con_hs_in: endpoint { > + remote-endpoint = <&usb_1_dwc3_hs>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + usb3_con_ss_in: endpoint { > + remote-endpoint = <&usb_dp_qmpphy_out_usb>; > + }; > + }; > + }; > + }; > +}; > + > +&usb_1_dwc3_hs { > + remote-endpoint = <&usb3_con_hs_in>; > +}; > + > +&usb_1 { > + dr_mode = "host"; > + status = "okay"; > +};