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Fri, 9 Oct 2026 09:26:00 +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 OSA0EPF000000CD.mail.protection.outlook.com (10.167.240.59) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.522.6 via Frontend Transport; Fri, 9 Oct 2026 09:26:00 +0000 Received: from cix (unknown [172.18.64.61]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id DE23A4091E04; Fri, 9 Oct 2026 17:25:58 +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 v3 1/4] ASoC: dt-bindings: Add Cadence I2S-SC controller Date: Fri, 9 Oct 2026 17:25:49 +0800 Message-ID: <20261009092552.2377960-2-joakim.zhang@cixtech.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20261009092552.2377960-1-joakim.zhang@cixtech.com> References: <20261009092552.2377960-1-joakim.zhang@cixtech.com> Precedence: bulk X-Mailing-List: devicetree@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: OSA0EPF000000CD:EE_|TYZPR06MB5736:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 00f192fb-e6ea-4a40-ce0f-08df25e75506 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|36860700016|376014|82310400026|23010399003|1800799024|18002099003|22082099003|3023799007|10067099003|56012099006; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: CNYyW0sisPGttwC7Ye8SNEoQ1pwpDr/aRKfMbrWxA28NHDssQoQCRQpxWhNaAu2lhnjKHTc41gFw5YXlFohEPDpkzULMfITurSgkuPJpUDAbK6E47pNgvmhWExoo7agxRHcEEP8h1Zp1eAFFgyO259S9FkFm5ogfaUQI/xp8UV68XIbtgK9jE2nC4FeQMpMoiV9amnYgFuthKAoGBx8YPVg3voYJFGR3PUCwbcD+6xCNmQelT690vju+6DdYqL/0wbFRghE94ySgtgAYtyYwnRch2rNkCL2dJODd2F8m9KXF5A00cfpQGD3cOKB6dFUu/a0Ub0TjBPLp95d2yTAq1bXZS8g3ggpPZq1DNx5evpllseu2N2chxjOx8Gpg+FBRa4qfsUCgdKb7RBpFD4lFRc8k57H4TdfSghNzOdGcIf5ggECFHbWRjSp8f98wE7om X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Oct 2026 09:26:00.1674 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 00f192fb-e6ea-4a40-ce0f-08df25e75506 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: OSA0EPF000000CD.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR06MB5736 From: Joakim Zhang Add the DT binding for the Cadence I2S-SC controller integrated in the CIX SKY1 audio subsystem. I2S-SC is a full-duplex stereo controller supporting standard I2S, left/right-justified and DSP formats, plus TDM operation with up to 16 slots. Signed-off-by: Joakim Zhang --- .../bindings/sound/cix,sky1-i2s-sc.yaml | 93 +++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cix,sky1-i2s-sc.yaml diff --git a/Documentation/devicetree/bindings/sound/cix,sky1-i2s-sc.yaml b/Documentation/devicetree/bindings/sound/cix,sky1-i2s-sc.yaml new file mode 100644 index 000000000000..3fdf2334c492 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cix,sky1-i2s-sc.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/cix,sky1-i2s-sc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence I2S-SC controller + +maintainers: + - Joakim Zhang + +description: | + The Cadence I2S-SC controller integrated in the CIX SKY1 audio subsystem. + It supports full-duplex stereo playback and capture in standard I2S, + left/right-justified and DSP modes, as well as TDM operation with up to + 16 slots. The transmitter and receiver are started and stopped together + by the controller. + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: cix,sky1-i2s-sc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 4 + + clock-names: + items: + - const: hst + - const: i2s + - const: audio-clk0 + - const: audio-clk2 + + resets: + maxItems: 1 + + dmas: + minItems: 1 + maxItems: 2 + description: + One DMA channel for instances wired for a single direction, either + "tx" or "rx", or two channels for both transmit and receive. + + dma-names: + minItems: 1 + maxItems: 2 + items: + enum: [ tx, rx ] + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - dmas + - dma-names + - "#sound-dai-cells" + +unevaluatedProperties: false + +examples: + - | + #include + + audss_dmac: dma-controller { + #dma-cells = <1>; + }; + + i2s@7020000 { + compatible = "cix,sky1-i2s-sc"; + reg = <0x7020000 0x10000>; + interrupts = ; + clocks = <&audss_cru 16>, <&audss_cru 26>, + <&scmi_clk 100>, <&scmi_clk 101>; + clock-names = "hst", "i2s", "audio-clk0", "audio-clk2"; + resets = <&audss_cru 0>; + dmas = <&audss_dmac 0>, <&audss_dmac 1>; + dma-names = "tx", "rx"; + #sound-dai-cells = <0>; + }; -- 2.50.1