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Fri, 5 Jun 2026 03:23:41 +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 OSA0EPF000000C7.mail.protection.outlook.com (10.167.240.53) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.92.5 via Frontend Transport; Fri, 5 Jun 2026 03:23:40 +0000 Received: from cix (unknown [172.18.64.61]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 79FD14084270; Fri, 5 Jun 2026 11:23:38 +0800 (CST) From: joakim.zhang@cixtech.com To: mturquette@baylibre.com, sboyd@kernel.org, bmasney@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, gary.yang@cixtech.com Cc: cix-kernel-upstream@cixtech.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Joakim Zhang Subject: [PATCH v2 1/5] dt-bindings: soc: cix,sky1-system-control: add audss system control Date: Fri, 5 Jun 2026 11:22:21 +0800 Message-ID: <20260605032225.523669-2-joakim.zhang@cixtech.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260605032225.523669-1-joakim.zhang@cixtech.com> References: <20260605032225.523669-1-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: OSA0EPF000000C7:EE_|KUYPR06MB8675:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 80c3fdcc-311c-46e8-1bd9-08dec2b1d73e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|376014|7416014|1800799024|56012099006|3023799007|6133799003|18002099003|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 4Syhwpq+7bdyMhiqr9LCUVMFzXgvOSMlIYe0DSaI0RbnY7rr5lKotyA6dWwTOAbaXM/+2caXatw4OJ9m1J+OJB3b0toWDOvPUhkhoHF9E7YZi4blO8sjKAABx7qIxk4c4gHw4emn5RNUjA4YBqwLu0/9CtxtAdPRdA414kSfc1s46Q66VMq8ZI3aFBU7yYLTNtqYUH9upnhpbq4qDI6YFQNWylYl+pbsKvEsthR9y2c6ZbZKvZQ1SERLmgZ1s5xKpjBmu37kdtmvQRSglJz6gx266GKi+i3ZzrgCfzxWUY4xSD+w2PZQuiTzwnnGgNTdcm1qLFUpk6+hIwvj+jxP8BETdhKBMkz/woUrbItfDrj3Ae6zcuWVnmLBSK3bu+CEaJm//4Ss/zXu3KjksLMrF7Fc8QPl80PdcwNUJ/ncBfinm3zjl6MaciGRmvlIFIoG X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jun 2026 03:23:40.6897 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 80c3fdcc-311c-46e8-1bd9-08dec2b1d73e 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: OSA0EPF000000C7.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: KUYPR06MB8675 From: Joakim Zhang The Cix Sky1 Audio Subsystem (AUDSS) groups audio-related clock, reset and control registers in a dedicated CRU block. Software reset lines are exposed on the syscon parent via #reset-cells, following the same model as the existing Sky1 FCH and S5 system control bindings. Add the cix,sky1-audss-system-control compatible to cix,sky1-system-control.yaml for the MFD/syscon parent node, and define AUDSS software reset indices in include/dt-bindings/reset/cix,sky1-audss-system-control.h for I2S, HDA, DMAC, mailbox, watchdog and timer blocks. Signed-off-by: Joakim Zhang --- .../soc/cix/cix,sky1-system-control.yaml | 39 ++++++++++++++++--- .../reset/cix,sky1-audss-system-control.h | 27 +++++++++++++ 2 files changed, 61 insertions(+), 5 deletions(-) create mode 100644 include/dt-bindings/reset/cix,sky1-audss-system-control.h diff --git a/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.yaml b/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.yaml index a01a515222c6..3b243b02a7e8 100644 --- a/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.yaml +++ b/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.yaml @@ -15,11 +15,16 @@ description: properties: compatible: - items: - - enum: - - cix,sky1-system-control - - cix,sky1-s5-system-control - - const: syscon + oneOf: + - items: + - enum: + - cix,sky1-system-control + - cix,sky1-s5-system-control + - const: syscon + - items: + - const: cix,sky1-audss-system-control + - const: simple-mfd + - const: syscon reg: maxItems: 1 @@ -27,6 +32,11 @@ properties: '#reset-cells': const: 1 + clock-controller: + $ref: /schemas/clock/cix,sky1-audss-clock.yaml# + description: + AUDSS internal clock provider (cix,sky1-audss-system-control only). + required: - compatible - reg @@ -40,3 +50,22 @@ examples: reg = <0x4160000 0x100>; #reset-cells = <1>; }; + - | + #include + + audss_syscon: system-controller@7110000 { + compatible = "cix,sky1-audss-system-control", "simple-mfd", "syscon"; + reg = <0x7110000 0x10000>; + #reset-cells = <1>; + + clock-controller { + compatible = "cix,sky1-audss-clock"; + power-domains = <&smc_devpd 0>; + #clock-cells = <1>; + clocks = <&scmi_clk 0>, <&scmi_clk 1>, <&scmi_clk 2>, + <&scmi_clk 3>, <&scmi_clk 4>, <&scmi_clk 5>; + clock-names = "audio_clk0", "audio_clk1", "audio_clk2", + "audio_clk3", "audio_clk4", "audio_clk5"; + resets = <&src 0>; + }; + }; diff --git a/include/dt-bindings/reset/cix,sky1-audss-system-control.h b/include/dt-bindings/reset/cix,sky1-audss-system-control.h new file mode 100644 index 000000000000..2ebc5c4f10cd --- /dev/null +++ b/include/dt-bindings/reset/cix,sky1-audss-system-control.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ +/* + * Copyright 2026 Cix Technology Group Co., Ltd. + */ +#ifndef DT_BINDING_RESET_CIX_SKY1_AUDSS_SYSTEM_CONTROL_H +#define DT_BINDING_RESET_CIX_SKY1_AUDSS_SYSTEM_CONTROL_H + +#define AUDSS_I2S0_SW_RST_N 0 +#define AUDSS_I2S1_SW_RST_N 1 +#define AUDSS_I2S2_SW_RST_N 2 +#define AUDSS_I2S3_SW_RST_N 3 +#define AUDSS_I2S4_SW_RST_N 4 +#define AUDSS_I2S5_SW_RST_N 5 +#define AUDSS_I2S6_SW_RST_N 6 +#define AUDSS_I2S7_SW_RST_N 7 +#define AUDSS_I2S8_SW_RST_N 8 +#define AUDSS_I2S9_SW_RST_N 9 +#define AUDSS_WDT_SW_RST_N 10 +#define AUDSS_TIMER_SW_RST_N 11 +#define AUDSS_MB0_SW_RST_N 12 +#define AUDSS_MB1_SW_RST_N 13 +#define AUDSS_HDA_SW_RST_N 14 +#define AUDSS_DMAC_SW_RST_N 15 + +#define SKY1_AUDSS_SW_RESET_NUM 16 + +#endif -- 2.50.1