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Tue, 13 Oct 2026 09:59:01 +0000 X-MS-Exchange-Authentication-Results: mx.microsoft.com 1; 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 SG2PEPF000B66CB.mail.protection.outlook.com (10.167.240.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.522.6 via Frontend Transport; Tue, 13 Oct 2026 09:59:01 +0000 Received: from localhost.localdomain (unknown [172.16.64.56]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id F366840920F7; Tue, 13 Oct 2026 17:59:00 +0800 (CST) From: Luo Liu To: vkoul@kernel.org, neil.armstrong@linaro.org, mani@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, gary.yang@cixtech.com, fugang.duan@cixtech.com, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: cix-kernel-upstream@cixtech.com, p.zabel@pengutronix.de, linux-kernel@vger.kernel.org, Luo.Liu@cixtech.com, Wuyi.Shen@cixtech.com, EastLake.Yang@cixtech.com Subject: [PATCH v3 1/3] dt-bindings: phy: Add CIX Sky1 DP PHY Date: Tue, 13 Oct 2026 17:58:58 +0800 Message-Id: <20261013095900.758464-2-Luo.Liu@cixtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20261013095900.758464-1-Luo.Liu@cixtech.com> References: <20261013095900.758464-1-Luo.Liu@cixtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SG2PEPF000B66CB:EE_|KUZPR06MB8252:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 35ba96f2-a74b-468f-520f-08df29109ba5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|36860700016|82310400026|42112799006|23010399003|1800799024|921020|56012099006|261009223027099003|10067099003|22082099003|18002099003|3023799007; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 6lFtNC6+oO9veUKLUn7AV/cHN9vk4ssK61QmAakWDVQn+xDiUUQLrsPTJLYKkoAaxEPIDOymmWZKJTEgKMq/oHnh5AjQAPm3iGnKNP7wKFMW6Gn+RpVpTnsNcoZNSUdyE2ta+M+yC/o/wTX82n7wojxMC/Ok/WtCpHhIxpMjxbn7lvGn07iGgPf4uTXFCaQAWLEnWcgmAqw+JTkwfl93i+yV6ukliPUhZuQeA183362aJGUlS5Cbvv40YEIOd9M4vCYMajv+oiNdUx26BFt6znH95Ut4MnLR0VCvxuDisn5KIhIbpCqK6Yib94KdnvyBrLSYdNEAYvp0x7XC8o0/f39M1+S7t0TmcpTBcAsNI7674IPnqN0pGDqInkA7BknfJlmVBOigyE9uQnEJGCkgJLT40gdolfLvgwM3tw6qhIHi3YhIPi0qxIkRiJLBwOV4 X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2026 09:59:01.5749 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 35ba96f2-a74b-468f-520f-08df29109ba5 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: SG2PEPF000B66CB.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: KUZPR06MB8252 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261013_105920_986265_42E94EE0 X-CRM114-Status: GOOD ( 15.57 ) 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 Document the dedicated DisplayPort PHY on CIX Sky1, including the optional cix,edp board property to select the eDP swing table. Add a MAINTAINERS entry for the binding and driver. Signed-off-by: Luo Liu --- .../bindings/phy/cix,sky1-dp-phy.yaml | 56 +++++++++++++++++++ MAINTAINERS | 8 +++ 2 files changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/cix,sky1-dp-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/cix,sky1-dp-phy.yaml b/Documentation/devicetree/bindings/phy/cix,sky1-dp-phy.yaml new file mode 100644 index 000000000000..be0a4029a592 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/cix,sky1-dp-phy.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/cix,sky1-dp-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: CIX Sky1 DisplayPort PHY + +maintainers: + - Luo Liu + +description: + The CIX Sky1 DP PHY provides the PMA/CDB register interface for the + dedicated DisplayPort instance on CIX Sky1. + + The PHY APB clock is physically shared with the DPTx controller and is + managed only by the DPTx driver. + +properties: + compatible: + const: cix,sky1-dp-phy + + reg: + maxItems: 1 + + "#phy-cells": + const: 0 + + resets: + maxItems: 1 + description: PHY hardware reset + + cix,edp: + type: boolean + description: + Use the eDP voltage swing and equalization table. Without this + property the default DisplayPort table is used. + +required: + - compatible + - reg + - "#phy-cells" + - resets + +additionalProperties: false + +examples: + - | + #include + + phy@1414c000 { + compatible = "cix,sky1-dp-phy"; + reg = <0x1414c000 0x4000>; + resets = <&s5_syscon SKY1_DP_PHY_RST_N>; + #phy-cells = <0>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 3a19da74d00c..b46d0f4220a9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6360,6 +6360,14 @@ M: Satish Kharat S: Supported F: drivers/infiniband/hw/usnic/ +CIX SKY1 DISPLAYPORT PHY DRIVER +M: Luo Liu +R: CIX Linux Kernel Upstream Group +L: linux-phy@lists.infradead.org +S: Maintained +F: Documentation/devicetree/bindings/phy/cix,sky1-dp-phy.yaml +F: drivers/phy/cix/ + CLANG CONTEXT ANALYSIS M: Marco Elver R: Bart Van Assche -- 2.25.1