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Wed, 2 Sep 2026 03:21:38 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 222.71.101.198) smtp.mailfrom=cixtech.com; dkim=none (message not signed) header.d=none;dmarc=bestguesspass action=none header.from=cixtech.com; Received-SPF: Pass (protection.outlook.com: domain of cixtech.com designates 222.71.101.198 as permitted sender) receiver=protection.outlook.com; client-ip=222.71.101.198; helo=smtprelay.cixcomputing.com; pr=C Received: from smtprelay.cixcomputing.com (222.71.101.198) by TY2PEPF0000AB87.mail.protection.outlook.com (10.167.253.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.382.8 via Frontend Transport; Wed, 2 Sep 2026 03:21:37 +0000 Received: from hongliang-System-Product-Name (unknown [172.20.64.180]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 8C47E4092106; Wed, 2 Sep 2026 11:21:35 +0800 (CST) From: Hongliang Yang To: peter.chen@kernel.org, pawell@cadence.com, vkoul@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: gregkh@linuxfoundation.org, rogerq@kernel.org, neil.armstrong@linaro.org, p.zabel@pengutronix.de, fugang.duan@cixtech.com, cix-kernel-upstream@cixtech.com, linux-usb@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Hongliang Yang Subject: [PATCH v2 1/5] dt-bindings: phy: Add CIX Sky1 USB3 PHY Date: Wed, 2 Sep 2026 11:21:30 +0800 Message-ID: <20260902032134.1182634-2-hongliang.yang@cixtech.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260831082309.3854507-1-hongliang.yang@cixtech.com> References: <20260831082309.3854507-1-hongliang.yang@cixtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY2PEPF0000AB87:EE_|JH0PR06MB6740:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: ac051b3f-0dc2-40db-a7df-08df08a14c54 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|36860700016|23010399003|82310400026|56012099006|10067099003|3023799007|18002099003|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: fkvGPCXzH2wZ6lMAeyi/0/GJYjDHHlvD46SoAfcWJHIWlOnvzeaOxdL3QsXDBiwCSgg0pUJLUtXnZo8biI8Xnq6SQflYzL7qzB4kteBlipq+s+1OJ6jch80pM8qJaTwE7jvfMmK2regw2X0KkNuPItHrxZQYAvmcjIyeH3+rgfMSURZu6kNEFnUaJN7M77pY+eUUbjHjKyo03ynJNf9nQRXjr7UMMfu2f9EsS9wxfIQ05Vwr0gVOBqJLI+UM4iMWpjVTbUCwL3+2qUSlUruCnk8JTKbCQLmBYisWESVXdeVho7cOfhdE5OKb83b0/yXItTBVXswiNb39IxGgILxLp/GzvGUsyiVf3irA5D629zdzj5P2Swi/POtNl8SCyO0g2oyB4I+Q6bUTr9z0/ZWWYToM1hIgx9RpKx9/TMSzLp3/xDHX/HLCjfvPOcbNCb+F X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Sep 2026 03:21:37.1229 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ac051b3f-0dc2-40db-a7df-08df08a14c54 X-MS-Exchange-CrossTenant-Id: 0409f77a-e53d-4d23-943e-ccade7cb4811 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0409f77a-e53d-4d23-943e-ccade7cb4811;Ip=[222.71.101.198];Helo=[smtprelay.cixcomputing.com] X-MS-Exchange-CrossTenant-AuthSource: TY2PEPF0000AB87.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: JH0PR06MB6740 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260901_202158_507927_108204CD X-CRM114-Status: GOOD ( 13.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add device tree binding for the CIX Sky1 USB3 PHY, a multi-port SuperSpeedPlus PHY supporting up to two USB3 lanes. Signed-off-by: Hongliang Yang --- .../bindings/phy/cix,sky1-usb3-phy.yaml | 107 ++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/cix,sky1-usb3-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/cix,sky1-usb3-phy.yaml b/Documentation/devicetree/bindings/phy/cix,sky1-usb3-phy.yaml new file mode 100644 index 000000000000..5b025a48c844 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/cix,sky1-usb3-phy.yaml @@ -0,0 +1,107 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/cix,sky1-usb3-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: CIX Sky1 USB3 PHY + +maintainers: + - Hongliang Yang + +description: + The CIX Sky1 USB3 PHY is a multi-port SuperSpeedPlus PHY that + supports up to two USB3 lanes. Each port is represented as a + child node of the PHY controller. + +properties: + compatible: + const: cix,sky1-usb3-phy + + reg: + maxItems: 1 + + clocks: + items: + - description: APB register interface clock + - description: PHY reference clock + + clock-names: + items: + - const: apb + - const: ref + + resets: + items: + - description: PHY reset + - description: PHY APB preset + + reset-names: + items: + - const: core + - const: apb + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^usb-port@[0-9a-f]+$": + type: object + description: + A single USB3 PHY port/lane. + + properties: + reg: + maxItems: 1 + + "#phy-cells": + const: 0 + + required: + - reg + - "#phy-cells" + + additionalProperties: false + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include + #include + + usb-phy@9210000 { + compatible = "cix,sky1-usb3-phy"; + reg = <0x9210000 0x40000>; + #address-cells = <1>; + clocks = <&scmi_clk CLK_TREE_USB3A_PHY3_GATE>, + <&scmi_clk CLK_TREE_USB3A_PHY_x2_REF>; + clock-names = "apb", "ref"; + resets = <&s5_syscon SKY1_USBPHY_SS_RST_N>, + <&s5_syscon SKY1_USBPHY_SS_PST_N>; + reset-names = "core", "apb"; + #size-cells = <0>; + + usb-port@0 { + reg = <0>; + #phy-cells = <0>; + }; + + usb-port@1 { + reg = <1>; + #phy-cells = <0>; + }; + }; -- 2.54.0