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([2a01:e0a:106d:1080:2dfb:a5b0:34b0:dd89]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4835dd0e15bsm148815915e9.13.2026.02.13.00.25.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Feb 2026 00:25:53 -0800 (PST) Message-ID: <8da06d06-db9f-446b-b1de-c5727d354db1@linaro.org> Date: Fri, 13 Feb 2026 09:25:53 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH v3 1/9] dt-bindings: usb: document the Renesas UPD720201/UPD720202 USB 3.0 xHCI Host Controller To: Bjorn Andersson Cc: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Bartosz Golaszewski , Manivannan Sadhasivam , Bjorn Helgaas , Konrad Dybcio , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20260206-topic-sm8650-ayaneo-pocket-s2-base-v3-0-5b79c5d61a03@linaro.org> <20260206-topic-sm8650-ayaneo-pocket-s2-base-v3-1-5b79c5d61a03@linaro.org> <7kkwkjnucx3cpvegilske2qd4u24vvjkykrljosi2uyknte4bz@3xvh57q5lpcv> 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: <7kkwkjnucx3cpvegilske2qd4u24vvjkykrljosi2uyknte4bz@3xvh57q5lpcv> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/12/26 16:17, Bjorn Andersson wrote: > On Fri, Feb 06, 2026 at 03:50:29PM +0100, Neil Armstrong wrote: >> Document the Renesas UPD720201/UPD720202 USB 3.0 xHCI Host Controller, >> which connects over PCIe and requires specific power supplies to >> start up. >> >> Signed-off-by: Neil Armstrong >> --- >> .../bindings/usb/renesas,upd720201-pci.yaml | 61 ++++++++++++++++++++++ >> 1 file changed, 61 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml b/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml >> new file mode 100644 >> index 000000000000..34acee62cdd2 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml >> @@ -0,0 +1,61 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/usb/renesas,upd720201-pci.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: UPD720201/UPD720202 USB 3.0 xHCI Host Controller (PCIe) >> + >> +maintainers: >> + - Neil Armstrong >> + >> +description: >> + UPD720201 USB 3.0 xHCI Host Controller via PCIe x1 Gen2 interface. >> + The UPD720202 supports up to two downstream ports, while UPD720201 >> + supports up to four downstream USB 3.0 rev1.0 ports. >> + >> +properties: >> + compatible: >> + const: pci1912,0014 >> + >> + reg: >> + maxItems: 1 >> + >> + avdd33-supply: >> + description: +3.3 V power supply for analog circuit >> + >> + vdd10-supply: >> + description: +1.05 V power supply >> + >> + vdd33-supply: >> + description: +3.3 V power supply >> + >> +required: >> + - compatible >> + - reg >> + - avdd33-supply >> + - vdd10-supply >> + - vdd33-supply >> + >> +allOf: >> + - $ref: usb-xhci.yaml >> + >> +additionalProperties: false > > I'm trying to hang a onboard_hub off this controller and #address-cells, > #size-cells, and hub@ comes back as invalid children. > > I think this should be unevaluatedProperties instead. Ack will update Thanks, Neil > > Regards, > Bjorn > >> + >> +examples: >> + - | >> + pcie@0 { >> + reg = <0x0 0x1000>; >> + ranges = <0x02000000 0x0 0x100000 0x10000000 0x0 0x0>; >> + #address-cells = <3>; >> + #size-cells = <2>; >> + device_type = "pci"; >> + >> + usb-controller@0 { >> + compatible = "pci1912,0014"; >> + reg = <0x0 0x0 0x0 0x0 0x0>; >> + avdd33-supply = <&avdd33_reg>; >> + vdd10-supply = <&vdd10_reg>; >> + vdd33-supply = <&vdd33_reg>; >> + }; >> + }; >> >> -- >> 2.34.1 >>