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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 TY2PEPF0000AB86.mail.protection.outlook.com (10.167.253.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.592.5 via Frontend Transport; Wed, 4 Nov 2026 11:33:46 +0000 Received: from cix (unknown [172.18.64.61]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id F3EA942CB745; Wed, 4 Nov 2026 19:33:44 +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 v4 RESEND 1/4] ASoC: dt-bindings: Add Cadence I2S-SC controller Date: Wed, 4 Nov 2026 19:33:39 +0800 Message-ID: <20261104113342.3660269-2-joakim.zhang@cixtech.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20261104113342.3660269-1-joakim.zhang@cixtech.com> References: <20261104113342.3660269-1-joakim.zhang@cixtech.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY2PEPF0000AB86:EE_|JH0PR06MB7200:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 4fd17688-214f-49d9-8632-08df3a677d2d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|23010399003|376014|7416014|36860700016|82310400026|261021121427099003|56012099006|261009223027099003|261102123227099003|261026121527099003|261022075727099003|261022105027099003|261026140227099003|261028144727099003|18002099003|22082099003|10067099003|3023799007; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: wxbfTGLos3O3yPnp8VBA8NDQ8xzPJ39HR4/8t5xexSUsXkh8I11hjFdX6rKSx8b8UefsetljD1B9ZrU9w5Fp8HOn1QC4WlRV8Y8DjN3SUAqjDVq/1n0yd1v8N2dIkP0LMGq/GnTMYDF61faBUYz6uQsItJwu1Kg0H9UzNeDvSvEIhhvvZryHjo4c9T80hkc+sQJr+HfGw62lZf74XG7pFogvI5g952voaKoZFEgNRe5HaeEdYmpnvpKiL0unJXmeYuicXQC39zbj9PuNDwi2+iDY+nE1D/f086GcVeeKJEwKYKnQnkfx33PE1uvFM8orZSBy4eZ3m8sixdKuqgW+CU7bMal7e2/SIFJBVyrY375Iy9J/Cs+V5j7/qqQCc0VptsWu0/racC6lTdhATZDchTIEQVFDsecjixougsByU63lStn6ex40StIV7A+B1FMd X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Nov 2026 11:33:46.3859 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4fd17688-214f-49d9-8632-08df3a677d2d 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: TY2PEPF0000AB86.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: JH0PR06MB7200 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 Reviewed-by: Rob Herring (Arm) --- .../bindings/sound/cix,sky1-i2s-sc.yaml | 89 +++++++++++++++++++ 1 file changed, 89 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..9ef11272d0fd --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cix,sky1-i2s-sc.yaml @@ -0,0 +1,89 @@ +# 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 + items: + - enum: [ tx, rx ] + - const: rx + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - dmas + - dma-names + - "#sound-dai-cells" + +unevaluatedProperties: false + +examples: + - | + #include + + 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