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Tue, 13 Oct 2026 09:59:03 +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 OSA0EPF000000CA.mail.protection.outlook.com (10.167.240.56) 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 09:59:02 +0000 Received: from localhost.localdomain (unknown [172.16.64.56]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id E32DC40920F6; 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 0/3] phy: cix: Add Sky1 DisplayPort PHY support Date: Tue, 13 Oct 2026 17:58:57 +0800 Message-Id: <20261013095900.758464-1-Luo.Liu@cixtech.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: OSA0EPF000000CA:EE_|OSNPR06MB9147:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: e0ea677c-a3f7-4ce5-76e1-08df29109c8c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|42112799006|82310400026|36860700016|376014|7416014|1800799024|6133799003|18002099003|10067099003|921020|261009223027099003|56012099006; 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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 dt-bindings, driver and DTS support for the dedicated DisplayPort PHY on the CIX Sky1 SoC. The PHY exposes a PMA/CDB register interface and is controlled through the generic PHY DP configure ops (link rate, lane count, SSC and voltage swing). Patch 1 adds the binding and MAINTAINERS entry. Patch 2 adds the PHY driver. Patch 3 describes the SoC node and enables it on Radxa Orion O6. Changes in v3: - Rename cix,external-dp to cix,edp (select eDP vs DP swing table) - Restore TX_DIAG_ACYA on cix_dp_phy_set_lane_voltage() error paths - Note that the PHY APB clock is managed by the DPTx driver Changes in v2: - Move MAINTAINERS into the binding patch; keep tabs; add R: entry - Require resets; use exclusive reset in the driver - Include linux/property.h; document Sky1 1/2-lane physical routing - Rename DT label to dp_phy; enable it on sky1-orion-o6 - After CDB_ENABLE, wait for busy then idle to avoid a stale READY race Luo Liu (3): dt-bindings: phy: Add CIX Sky1 DP PHY phy: cix: Add Sky1 DP PHY driver arm64: dts: cix: Add Sky1 DP PHY node .../bindings/phy/cix,sky1-dp-phy.yaml | 56 + MAINTAINERS | 8 + arch/arm64/boot/dts/cix/sky1-orion-o6.dts | 4 + arch/arm64/boot/dts/cix/sky1.dtsi | 8 + drivers/phy/Kconfig | 1 + drivers/phy/Makefile | 1 + drivers/phy/cix/Kconfig | 18 + drivers/phy/cix/Makefile | 2 + drivers/phy/cix/phy-cix-dp.c | 987 ++++++++++++++++++ 9 files changed, 1085 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/cix,sky1-dp-phy.yaml create mode 100644 drivers/phy/cix/Kconfig create mode 100644 drivers/phy/cix/Makefile create mode 100644 drivers/phy/cix/phy-cix-dp.c base-commit: cee9395acd8043be0644b25c34bfa86623f2b935 -- 2.25.1