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Tue, 22 Sep 2026 11:21:56 +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 OSA0EPF000000C9.mail.protection.outlook.com (10.167.240.55) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.451.8 via Frontend Transport; Tue, 22 Sep 2026 11:21:55 +0000 Received: from cix (unknown [172.18.64.61]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 5A9E0427F201; Tue, 22 Sep 2026 19:21:54 +0800 (CST) From: joakim.zhang@cixtech.com To: lgirdwood@gmail.com, broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, perex@perex.cz, tiwai@suse.com, p.zabel@pengutronix.de Cc: cix-kernel-upstream@cixtech.com, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Joakim Zhang Subject: [PATCH 0/4] ASoC: Add Cadence I2S-SC and I2S-MC controller support Date: Tue, 22 Sep 2026 19:21:30 +0800 Message-ID: <20260922112134.4167305-1-joakim.zhang@cixtech.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: OSA0EPF000000C9:EE_|OSNPR06MB9169:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 4d611b1a-9947-415c-7f84-08df189bb59d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|23010399003|82310400026|1800799024|36860700016|6133799003|18002099003|56012099006|10067099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: dGUqBiFLa/skMEgTruyranHBrBu7d/T+wKa3HUD2VVYZvk1zwVTnXfWyG1YzEHrUmHuPYFWG8DtILz7AXUTj08M7veLvlE3TE0QXlf/6Qn2zHJ2TvJdJAE+817waHWPv+0rlqeU1iHgfGMcu+cBaIofDZsnEQz1AofzKcX2jDivhExqKVF4LuUOgwW00uFW65wY5fAlh4V/0YZtyp2pUyy+c5LcV761QFeljRJj66ggyZKpHI1+Uk4yQIvVwypzVoeEeHdbrkQC+lEgKNO1WfF+vDMzKPhIPTvQ33W3/lRj95sNkDItQDcs6A+2z/VWmop7DhJQB+yUZ5oomGeFoQNZ6oQzozG2Kd+LuWLBsZtMKn8rvGG41++ijSbx/21mf8l5QYvK/IPoPQBEhfuxbK0sLNvOqDQfuBy8EdzkHJbLaUylqmtHWhd8SSecBlNuh X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Sep 2026 11:21:55.3706 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4d611b1a-9947-415c-7f84-08df189bb59d 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: OSA0EPF000000C9.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: OSNPR06MB9169 From: Joakim Zhang This series adds DT bindings and ASoC CPU DAI drivers for the two Cadence I2S controllers integrated in the CIX SKY1 audio subsystem. I2S-SC is a full-duplex stereo controller supporting standard I2S, left/right-justified and DSP formats, mono operation mapped onto the left audio channel, and TDM operation with up to 16 slots per frame. I2S-MC is a multi-channel controller which moves up to 16 channels through a configurable set of its 8 data pins, each pin carrying two slots, and exposes a transmit DAI and a receive DAI which can act as clock provider or consumer independently. Both drivers register the dmaengine PCM helper, select the audio reference clock parent for the 8 kHz or 11.025 kHz sample rate family, keep the minimum functional-clock to bit-clock ratio required for safe clock domain crossing, and support runtime and system suspend/resume with regcache restore. Joakim Zhang (4): ASoC: dt-bindings: Add Cadence I2S-SC controller ASoC: cdns: Add Cadence I2S-SC controller driver ASoC: dt-bindings: Add Cadence I2S-MC controller ASoC: cdns: Add Cadence I2S-MC controller driver .../bindings/sound/cix,sky1-i2s-mc.yaml | 124 ++ .../bindings/sound/cix,sky1-i2s-sc.yaml | 94 ++ sound/soc/Kconfig | 1 + sound/soc/Makefile | 1 + sound/soc/cdns/Kconfig | 21 + sound/soc/cdns/Makefile | 7 + sound/soc/cdns/cdns-i2s-mc.c | 1149 ++++++++++++++++ sound/soc/cdns/cdns-i2s-sc.c | 1153 +++++++++++++++++ 8 files changed, 2550 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cix,sky1-i2s-mc.yaml create mode 100644 Documentation/devicetree/bindings/sound/cix,sky1-i2s-sc.yaml create mode 100644 sound/soc/cdns/Kconfig create mode 100644 sound/soc/cdns/Makefile create mode 100644 sound/soc/cdns/cdns-i2s-mc.c create mode 100644 sound/soc/cdns/cdns-i2s-sc.c base-commit: 4d4bc656580bcc448f8e6d6b3b3a903120eb29bb -- 2.50.1