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Mon, 21 Sep 2026 05:19:13 -0700 From: Jon Hunter Date: Mon, 21 Sep 2026 13:19:01 +0100 Subject: [PATCH 1/9] dt-bindings: usb: Add Tegra238 XUSB host controller support Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20260921-tegra-usb-v1-1-74a925a35d82@nvidia.com> References: <20260921-tegra-usb-v1-0-74a925a35d82@nvidia.com> In-Reply-To: <20260921-tegra-usb-v1-0-74a925a35d82@nvidia.com> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , "Nagarjuna Kristam" , JC Kuo , Mathias Nyman CC: Thierry Reding , , , , Thierry Reding , Wayne Chang , Jon Hunter X-Mailer: b4 0.16.1-dev X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN7PEPF000000A5:EE_|DM4PR12MB6229:EE_ X-MS-Office365-Filtering-Correlation-Id: f97ab2c3-4b19-4d85-c21b-08df17da9719 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|82310400026|36860700016|376014|7416014|1800799024|10067099003|18002099003|22082099003|56012099006|11063799006; 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The Tegra238 XUSB host controller is similar to that found on the Tegra234 device but only supports 3 PHYs compared to the 4 PHYs on the Tegra234. Hence, the binding is also updated to limit the number of PHYs that can be specified for the Tegra238 device. Signed-off-by: Jon Hunter --- .../bindings/usb/nvidia,tegra234-xusb.yaml | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra234-xusb.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra234-xusb.yaml index 3f56110be915..9d605db7e77f 100644 --- a/Documentation/devicetree/bindings/usb/nvidia,tegra234-xusb.yaml +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra234-xusb.yaml @@ -19,6 +19,7 @@ properties: compatible: enum: - nvidia,tegra234-xusb + - nvidia,tegra238-xusb - nvidia,tegra264-xusb reg: @@ -154,6 +155,25 @@ properties: allOf: - $ref: usb-xhci.yaml + - if: + properties: + compatible: + contains: + const: nvidia,tegra238-xusb + then: + properties: + phys: + maxItems: 6 + phy-names: + maxItems: 6 + items: + enum: + - usb2-0 + - usb2-1 + - usb2-2 + - usb3-0 + - usb3-1 + - usb3-2 - if: properties: -- 2.43.0