From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 38375606A32F for ; Mon, 2 Nov 2026 03:04:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=0UaWTpr8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=NLnzoqcM2EXr6bZQkjfOuLO4idAXhKNPUMIPiYgtwts=; b=0UaWTpr8ay6tAbD7eP6NIemL28 bOEzuSglhPbjvCO6SRXDdWldhINJdL2jH2esxIld45UOaFOsESRDN/OVDsQy50TgMWtJvGWXIGuLq MAz02z2XAkjFEE09E5M8UzTaGJLI/wi8WECUxjMEgt9/3z7sMtPhgk4vEP141v/LevkIX7nCz4vSF dZpSAdbg2RQcrR4ny/mRwNGWtWoRIeWYlrDYjLIdyI4ylHDtyH9wejpfgardxzxXn3jS0c0Nzjqvd XD3NKOT3v3jtUY5TT+6/NdAI/nAi7LnyU4wpOrfcCKoVEG1xDVyNc927ye4xI+dFU/cMkQdm58Jsl hTcv1RYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xNiLi-0000000FQJ2-40BF; Mon, 02 Nov 2026 03:04:42 +0000 Received: from mail-japaneastazlp170120005.outbound.protection.outlook.com ([2a01:111:f403:c405::5] helo=TYPPR03CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xNiLc-0000000FQEz-0nCg; Mon, 02 Nov 2026 03:04:38 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=qk4U0Ldqhqaz+Yn7JMsVZCnoMYMVYBTerR4bdk1FZ0cqD6UGSTNbYPpUAFzrjmz1sKQNAvngTm6q9yymtvwQ9IVgBPtExPQ4jsXoF7wh2l0dskxxCSSyaKGh/89NsbSRB6TpbM3o3Tu/TtluQFO5V/zEetbsu7K7SlPcv7e/RDJ3mCPHMtLhrlu3sXFCcY7YnmbF1q1kr+jiXz+c4aHQ7EOme0FVXo/6p9eGY7BeLL9vANZjR9gFZEYG43GAElzFofl/f1Fbm/9Qm3APmJlHTSR3yM6d6U2wT5hi8SYvBceIgebjhUDvkqkj/TK9IJ6rYyf4oYbFD2KcBM+jYRrs1Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=oshhTtTAIEEjN/mrpPYmkDIAn5Lu3NZFglnc0Hhg0Jk=; b=PH+fOOsM9gCZONNLr5dIHCbrMnow+oBB516c+wishfZ2rim+VOLpKNSQ6YOL4mUowkq1KE7tX6y+lkf4uuXK4GZDhkzQT7hoiZh30N4izef9/DDbZd+CCtdz3Shwli7aOgSielJeGZKRMCdpDlVloWesQRZda90Nph4XQuBM+s32jLQgEPdjAz1LeOGn/4QGiigOgkArF98/+cDWZ53rv+QmgTMyz0EZXRTgLomAyDEQUdmSwVsI/5JyxmUXrK6rpbkkrSWdT5acl2yv12n0fDuH9pr/QCrVh7+mekINzR6pcDIx2FmRYhaqMPtXdGx04frLYpLKrZr63vtVqGFCIg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 222.71.101.198) smtp.rcpttodomain=cixtech.com smtp.mailfrom=cixtech.com; dmarc=bestguesspass action=none header.from=cixtech.com; dkim=none (message not signed); arc=none (0) Received: from JH0PR01CA0128.apcprd01.prod.exchangelabs.com (2603:1096:990:54::19) by KUXPR06MB8293.apcprd06.prod.outlook.com (2603:1096:d10:5f::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.592.8; Mon, 2 Nov 2026 03:04:26 +0000 Received: from SG1PEPF000082E8.apcprd02.prod.outlook.com (2603:1096:990:54:cafe::5b) by JH0PR01CA0128.outlook.office365.com (2603:1096:990:54::19) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.569.12 via Frontend Transport; Mon, 2 Nov 2026 03:04:26 +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 SG1PEPF000082E8.mail.protection.outlook.com (10.167.240.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.592.5 via Frontend Transport; Mon, 2 Nov 2026 03:04:26 +0000 Received: from localhost.localdomain (unknown [172.16.64.56]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id B489C4102B4B; Mon, 2 Nov 2026 11:04:25 +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 v4 1/3] dt-bindings: phy: Add CIX Sky1 DP PHY Date: Mon, 2 Nov 2026 11:04:23 +0800 Message-Id: <20261102030425.1957585-2-Luo.Liu@cixtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20261102030425.1957585-1-Luo.Liu@cixtech.com> References: <20261102030425.1957585-1-Luo.Liu@cixtech.com> X-Archived-By: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SG1PEPF000082E8:EE_|KUXPR06MB8293:EE_ X-MS-Office365-Filtering-Correlation-Id: ea2e3d10-8946-439c-26a4-08df388e0155 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|23010399003|376014|7416014|36860700016|42112799006|82310400026|921020|56012099006|261009223027099003|261028144727099003|261021121427099003|261021135927099003|261026121527099003|261026140227099003|261022105027099003|10067099003|18002099003|22082099003|3023799007; X-Microsoft-Antispam-Message-Info: mJp2Wd7iC5oP3++eCnwM/BMJ/AuN0xkI/Ho4SfK+DMHGU2lYittdkWF9JJwH9QAvZqqmcZvS+WaAmYt0Yp4Mz1O9x/RIAS7dBLY+NF86zj18AsQqv6HOQjXZYaAgYJeI/b+aBUwDNJCSB/l+aYOOt5Z/mK6Uqnkswfy7frpkCuC/pfpjYNSouTbdZUloqcPr7LbfdzGpVL20ReGULRi+YapruMxIdBEDMwuXT4cG3ahUqLgDI2M0copHy6MHW/52kCpl6YHuN3b4Yyvfzq+/G8eMYgLQl6bHlLj0cDZsM1gqE8cv62EEHJq99PElxjyN+QZT2SfAggMo/TCc/XCvoQYv3K0Qs4+qTKqUocy5T+Q8KAHU6lUtflNvj4WxUe8dGSxI1/uQATEu2hJ5AmMKZBZIMsHNlgtFovdgsPsV88596G/5aP61arClmMWe7ucgHJOcAYnX+4gEqBYb7iweNYFWUw9u/b9t3BsmJ6TdH78HbL862L2KTfMkvaXtK5XMnr48ixr0SOCr1rtTLpkY5HO7A+757GTdDWU8xIAYv8PSMgiCgREB9qxEk5sDh6ijvsqJGFFblhFbu8N7ZjyBqpv6AHM51AieG5dgePDTKGmw8C9CzpdRmJ+8YSLiGjhBOr+TtfJMQT9iwSIqUPkj76q4mcVVDx3sKk5f+z7E0Ko8TDHOXKKwI5MRTFywe5rC X-Forefront-Antispam-Report: CIP:222.71.101.198;CTRY:CN;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:smtprelay.cixcomputing.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(23010399003)(376014)(7416014)(36860700016)(42112799006)(82310400026)(921020)(56012099006)(261009223027099003)(261028144727099003)(261021121427099003)(261021135927099003)(261026121527099003)(261026140227099003)(261022105027099003)(10067099003)(18002099003)(22082099003)(3023799007);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: jPOg9HfE7fNlTJ8kPAebE2DBCiadl0C91e4BqJOnoeTKhtfwrvaUFZLT0uiizEU2MyjIRr+UkV7O9BO2vv1wno9/gUTe5YUf2WVdDXRblllZbiP2Cmo6wqgbet6OQZWcd+6eFwK7WSFTIk4n3Q5DNM8SvMo7innjKioGps38U9XbDFj2FHXbs7KW6e25YY5yuH68aKOf4z77vJbDFoak8keiNreN2wOeiGHr3/kpU/uAjqyDg94pQHoL88R6Tse3I1WbQ8ND8zVM71C+n1gDQtFUFrvfoPj8k04kvSYxmEnJnizvXTLQfk/MvIzmBjOmfv0VYhuU/cDR9I5Ry/utWm+djzkIcVIAiObpE5FwVy6PqUPdquivnxjqychoIWCg6ZXLySLpNdoy1/YSG/CyKOk6rl11wEUUOFIzaNYcejBoHCQqK2xk6hGIU9FXx3Vs X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Nov 2026 03:04:26.6861 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ea2e3d10-8946-439c-26a4-08df388e0155 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: SG1PEPF000082E8.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: KUXPR06MB8293 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261101_190436_232218_BAD6F173 X-CRM114-Status: GOOD ( 14.69 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" X-Spam-Status: No, score=-16.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Document the dedicated DisplayPort PHY on CIX Sky1, including the required APB clock shared with the DPTx controller, reset, and the optional cix,external-dp property to select the external DP swing table instead of the default low-voltage values. Add a MAINTAINERS entry for the binding and driver. Signed-off-by: Luo Liu Reviewed-by: Rob Herring (Arm) --- .../bindings/phy/cix,sky1-dp-phy.yaml | 67 +++++++++++++++++++ MAINTAINERS | 8 +++ 2 files changed, 75 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..ea19f0aa0b1c --- /dev/null +++ b/Documentation/devicetree/bindings/phy/cix,sky1-dp-phy.yaml @@ -0,0 +1,67 @@ +# 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. + +properties: + compatible: + const: cix,sky1-dp-phy + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + description: APB register interface clock + + clock-names: + const: apb + + resets: + maxItems: 1 + description: PHY hardware reset + + "#phy-cells": + const: 0 + + cix,external-dp: + type: boolean + description: + Use voltage swing values suitable for an external DisplayPort + connector instead of the default low-voltage values. + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - "#phy-cells" + +additionalProperties: false + +examples: + - | + #include + #include + + phy@1414c000 { + compatible = "cix,sky1-dp-phy"; + reg = <0x1414c000 0x4000>; + clocks = <&scmi_clk CLK_TREE_DPC2_APBCLK>; + clock-names = "apb"; + 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 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy