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Wed, 17 Jun 2026 14:04:47 +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 v4 1/5] dt-bindings: soc: cix,sky1-system-control: add audss system control Date: Wed, 17 Jun 2026 14:04:33 +0800 Message-ID: <20260617060437.1474816-2-joakim.zhang@cixtech.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260617060437.1474816-1-joakim.zhang@cixtech.com> References: <20260617060437.1474816-1-joakim.zhang@cixtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SG2PEPF000B66D0:EE_|TY0PR06MB5149:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 7cd9f06f-1a4c-4be0-ad33-08decc36569b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|7416014|36860700016|376014|23010399003|1800799024|56012099006|6133799003|18002099003|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: h32cYyNWo/fBRFKenG9JqGi/ChII5FKslhNvFPhvR2lolqThbJ6GrJ6kIr8RIWO0/yjn8rJR0tgrDQzdaVhQeigtabJY25BWliZHVC0pPVMsiDEPodvGHDu8eFp4GNsccLtBZ+7jidoLCK95y6s1xzWjXKS5fac6VjQKn2r829IOKfjmUh8fD+nHJoo5QhzTIFUmv5GkcMNpNMygqmkKTqWbXIUd1rEFeqqEYPFPw4XPrR06+7FmHGhz+NJM0QYqxiP2WMUJ/kJSdQq76HN7dvcdsRfxaNdo2a/itejL43FvSE1u/eM+OI2inuCn+o/TgYs0f3yDZFL3oLoioHzRBEYVX5Xbr/Oah3E6t6EnYMYi880Wb3ura5IGCN6JAJqy6nKRY3jo/3CdjBa1pKfJfTnF2GMxzszbL9s+8l22J0lV8jBYjCa/y24VtfOgY+Ho X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jun 2026 06:04:48.4835 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7cd9f06f-1a4c-4be0-ad33-08decc36569b 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: SG2PEPF000B66D0.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TY0PR06MB5149 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260616_230503_204251_ECD94CB3 X-CRM114-Status: GOOD ( 12.54 ) 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 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. A clock-controller child node is required under the audss syscon. It has no reg property of its own and accesses the parent register block for mux, divider and gate fields. The AUDSS is also controlled by one power domain and reset part. Signed-off-by: Joakim Zhang --- .../soc/cix/cix,sky1-system-control.yaml | 48 +++++++++++++++++++ .../reset/cix,sky1-audss-system-control.h | 25 ++++++++++ 2 files changed, 73 insertions(+) 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..5a1cd5c24ade 100644 --- a/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.yaml +++ b/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.yaml @@ -19,6 +19,7 @@ properties: - enum: - cix,sky1-system-control - cix,sky1-s5-system-control + - cix,sky1-audss-system-control - const: syscon reg: @@ -27,6 +28,38 @@ properties: '#reset-cells': const: 1 + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + clock-controller: + type: object + properties: + compatible: + const: cix,sky1-audss-clock + required: + - compatible + additionalProperties: true + +allOf: + - if: + properties: + compatible: + contains: + const: cix,sky1-audss-system-control + then: + required: + - clock-controller + - power-domains + - resets + else: + properties: + clock-controller: false + power-domains: false + resets: false + required: - compatible - reg @@ -40,3 +73,18 @@ examples: reg = <0x4160000 0x100>; #reset-cells = <1>; }; + - | + audss_syscon: system-controller@7110000 { + compatible = "cix,sky1-audss-system-control", "syscon"; + reg = <0x7110000 0x10000>; + power-domains = <&smc_devpd 0>; + resets = <&s5_syscon 31>; + #reset-cells = <1>; + + clock-controller { + compatible = "cix,sky1-audss-clock"; + #clock-cells = <1>; + clocks = <&scmi_clk 0>, <&scmi_clk 2>, <&scmi_clk 4>, <&scmi_clk 5>; + clock-names = "x8k", "x11k", "sys", "48m"; + }; + }; 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..aabdce60b094 --- /dev/null +++ b/include/dt-bindings/reset/cix,sky1-audss-system-control.h @@ -0,0 +1,25 @@ +/* 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 0 +#define AUDSS_I2S1_SW_RST 1 +#define AUDSS_I2S2_SW_RST 2 +#define AUDSS_I2S3_SW_RST 3 +#define AUDSS_I2S4_SW_RST 4 +#define AUDSS_I2S5_SW_RST 5 +#define AUDSS_I2S6_SW_RST 6 +#define AUDSS_I2S7_SW_RST 7 +#define AUDSS_I2S8_SW_RST 8 +#define AUDSS_I2S9_SW_RST 9 +#define AUDSS_WDT_SW_RST 10 +#define AUDSS_TIMER_SW_RST 11 +#define AUDSS_MB0_SW_RST 12 +#define AUDSS_MB1_SW_RST 13 +#define AUDSS_HDA_SW_RST 14 +#define AUDSS_DMAC_SW_RST 15 + +#endif -- 2.50.1