From nobody Tue Oct 7 05:26:54 2025 Received: from DU2PR03CU002.outbound.protection.outlook.com (mail-northeuropeazon11011026.outbound.protection.outlook.com [52.101.65.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DFC3425D546; Tue, 15 Jul 2025 04:34:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.65.26 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752554063; cv=fail; b=aQRMrRRSPDcZSdFyVdZ3EE9Vfb8RIsIG++4GxphDhLZvADqbovFMsXLRObaoskBudtS5alSQEbkztVNGsZiwVM1vNg4ECyglf3cb/YF5iHY4uxPZjStFjDzOlFB5rce/lxhIRoncbwMoB/Zgt+CN/ObJGBe0n+yUZ8o6h3SnyI4= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752554063; c=relaxed/simple; bh=QOAAYSI5jZnKRVp15Pw1+ekIfEBOEX7FIgHj/b/YkUg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Akt65wl1lkF+ZBuRJ9tfry6TRYQqioOENs2++zj1r5+Q0KrnOPuWW5eJCg1WaD5CTAYAgIPYv8I1BrBEPoSjVvCRK6BGQfSMX988RUlqprk/v2/B2Vygqnm7Z+X2VAEsgH5Hb6iFCuCbjSSDgFypC+y6FS/U/EZzDW5UrrPWdFc= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=leica-geosystems.com.cn; spf=fail smtp.mailfrom=leica-geosystems.com.cn; dkim=pass (1024-bit key) header.d=leica-geosystems.com.cn header.i=@leica-geosystems.com.cn header.b=pus+atp0; arc=fail smtp.client-ip=52.101.65.26 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=leica-geosystems.com.cn Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=leica-geosystems.com.cn Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=leica-geosystems.com.cn header.i=@leica-geosystems.com.cn header.b="pus+atp0" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=heV2aqXNjVuu7cxVEoOFzMhf9YiF2GGHvRs+3GjofIdu3YHRX6d5UcZIRIbQjqp3PQyGxB84XG6g1f9UeJZ0uw3q3z+RxY/U7XOUgzW+HxUa/C6X7vNSwQbUKqVJKzdsE/1SjMXf8K5C2VvkXNn+YZX8xMyStHCP2p5mVzPLrArdHubCv8kDLl5+PTIvcRQUYisZvJXLL0gqcIlCJgBtQeuGtTjsKQXm1UnNe5I7fbVLCOYsQzgyEe1cmEBixMDI0rWU+aJFjh0k1JHqwc379XWQzy5Axka2OQNOUBeAcvVixvj4SDumIlOPrLEBqMcMHRxM1Xk8A7/FThj0z0hRzA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=pT6Dj1SdT9H2YRcyDh2+gtcz+R5pfwvvnL0vv5sFj8E=; b=oe6oJh6bSEWPz6wIwix+r4tfxJUXiyVfpb7j8G/VQteX2YL4FOT8F1x4RgvwAJWLBBWPE3UQMMY2HXCEZmGFzHeF4SuUB9yeuQieWqT+WVG3cof5Ry0VYVck1rHeCid0m30N+XMJHkXNybUrsLpPyHmWSkEigJGo9NH2pMg84GWupHLIkLBMnX+HPQ5J7VC1hdc9ZQDr56eGKxcQSceq7IZA0gP5oNB1uXdjInZORurPAt5VLXaZUv+jSBA807abuG/RHAo4Ld3H6vvtn6v7oet1VH2psHotM6r3GpqgfxlOvWuS9DyLvKAKefsJIGz7N/lLP+EOWXz2BMTaYqaYnQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 193.8.40.94) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=leica-geosystems.com.cn; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=leica-geosystems.com.cn; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=leica-geosystems.com.cn; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=pT6Dj1SdT9H2YRcyDh2+gtcz+R5pfwvvnL0vv5sFj8E=; b=pus+atp0mQc3CGON+EgHUOmlbL8uRZIYc73mKDD5+gtWvilTDoFbGvrSHsV2+XxGIKtvg+9m67boE0VDMLCFVdIDlawM/l0KKzizCiA5QlSL5JRiE4J5/IuOQGQH83bMf5oHWgaFtv/U67s43xgWSh6LJENYF7f8oXVx2iFkId0= Received: from DB8PR06CA0050.eurprd06.prod.outlook.com (2603:10a6:10:120::24) by VI0PR06MB9544.eurprd06.prod.outlook.com (2603:10a6:800:24d::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8901.35; Tue, 15 Jul 2025 04:34:15 +0000 Received: from DB1PEPF000509F6.eurprd02.prod.outlook.com (2603:10a6:10:120:cafe::a6) by DB8PR06CA0050.outlook.office365.com (2603:10a6:10:120::24) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8943.17 via Frontend Transport; Tue, 15 Jul 2025 04:34:14 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 193.8.40.94) smtp.mailfrom=leica-geosystems.com.cn; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=leica-geosystems.com.cn; Received-SPF: Pass (protection.outlook.com: domain of leica-geosystems.com.cn designates 193.8.40.94 as permitted sender) receiver=protection.outlook.com; client-ip=193.8.40.94; helo=hexagon.com; pr=C Received: from hexagon.com (193.8.40.94) by DB1PEPF000509F6.mail.protection.outlook.com (10.167.242.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8922.22 via Frontend Transport; Tue, 15 Jul 2025 04:34:13 +0000 Received: from GEO-W5CG2253GWB.lgs-net.com ([10.132.33.15]) by hexagon.com with Microsoft SMTPSVC(10.0.17763.1697); Tue, 15 Jul 2025 06:34:12 +0200 From: LI Qingwu To: lee@kernel.org, pavel@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Qing-wu.Li@leica-geosystems.com.cn Cc: bsp-development.geo@leica-geosystems.com, Krzysztof Kozlowski Subject: [PATCH V7 1/2] dt-bindings: leds: pwm: Add enable-gpios property Date: Tue, 15 Jul 2025 12:34:04 +0800 Message-ID: <20250715043405.6281-2-Qing-wu.Li@leica-geosystems.com.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250715043405.6281-1-Qing-wu.Li@leica-geosystems.com.cn> References: <20250715043405.6281-1-Qing-wu.Li@leica-geosystems.com.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 15 Jul 2025 04:34:13.0127 (UTC) FILETIME=[B71B7170:01DBF541] X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB1PEPF000509F6:EE_|VI0PR06MB9544:EE_ X-MS-Office365-Filtering-Correlation-Id: d063791e-3c99-4b74-964f-08ddc358d9f3 X-SET-LOWER-SCL-SCANNER: YES X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?wgcFxlNcC4CYQdXVX6vdOTIC1b5qcFnGuBL2Gy8LhhD8AGMD/c1S21fsWIkZ?= =?us-ascii?Q?tnLVWdVZVnjiIFxKAtmoTDvxJsJjebUGOt0LhSOnvCUNGKy510xk+n6ZEswU?= =?us-ascii?Q?sDglSS69O83OLzgOqMIU6y76OPWTTg2r2+V+ew4MFFCkCfYflMKz+1tH9dKE?= =?us-ascii?Q?ZxLMmZqOO0UFMazp+fb7biAJeId2fNiHT9lidkHRAPecIfkrTHIj0/IEqhBZ?= =?us-ascii?Q?zBDKrtIKTyuc8WJ4NQVt5RVDCOT2vHtZpE7uEZrvSH1qusDAXPmrOA2xeHY+?= =?us-ascii?Q?Jq9ft+HVTL7kVmF1qOLzkcCfosZGIVytpKrZmZ7uDkVchIVYWgKT8siukQ5I?= =?us-ascii?Q?NugohqRP6p/KQMxYZzXF1ynhuSOtdJl6furXuu5zEGKs5Q4cTqlGzz0OHdRK?= =?us-ascii?Q?gK7XZ8suuu2fiLRxUE2dY6Sj/WlIP9G4E1MyBjI3dEqxFgsb5b+TEEh2N+KG?= =?us-ascii?Q?4cpBkHhReFK35EQfKXPbz0UuFfjsLNSfIo2gZI6Lusq2/kxS6GxxDqxfdVMJ?= =?us-ascii?Q?G+AMP8AWPbdblFWMZX0/kwwZqdQEQjV3J2SkGh/zIDDcGFCiNGQW7G9SWS25?= =?us-ascii?Q?MfkaSXaE67Hc0+AHoihABCHmvh3x4PtQ/6d/xp7QUZF5+BzML+rZaPz7Rcem?= =?us-ascii?Q?232l4MTftZUoNI5ULZtdUPziuXwQbm0VYyStUheHZgbLw1iTZNffCClsSSe0?= =?us-ascii?Q?s40uMW/FjgXAKcCmu8o5xD1S/QAqBEXdrMrEnoGLOJPRwSE0bzf0pkdqrfX7?= =?us-ascii?Q?WyskMU0XvJhWZs7n5tJ59x8Yg5ZYiVNaP1zCWt0nLwVZP+01eJ36frz/PEz/?= =?us-ascii?Q?9Ir5tjdIPxipWj3l4YHP2YRFEcvpf9x+F7Zjy/9ELZrUW24/k4XnfuHtUOZX?= =?us-ascii?Q?HNWu4MQnFEru0J49n/NnUIM/h29UKDGaD36Bls0gJh1QCoBZHkY79hrK96Lf?= =?us-ascii?Q?cwp14Vwnbbe1otw9VMyKyfDNVcgKjz4HUsLvV9ZunCiPyRBnhwFFNpKeReuM?= =?us-ascii?Q?UABswSqeq/HQLog53+TeWxseyfn0BG0IGNRmat8/ZkEZFS6txTJ4lCOKbeFL?= =?us-ascii?Q?jlL2Xz83bYuw+nfV2xVz/gZSDp7IzQmTzgn12Cv3DMfgKmkfgmvygWjbd9RU?= =?us-ascii?Q?YfITEPvKizFnZ9iq1sczxMTbHeAjyvpGQ/iKPzAnXR5wDXGbQimxqEJ3OuNQ?= =?us-ascii?Q?VbNxjiNFJEiXIgYiaaaZPXDfBPMhefv8VL8dPOqMb4/XvFIGSx0O8CQWibfs?= =?us-ascii?Q?u/x6rUwDZQ3gSlJieZSDsGoUTIXaAIuqa4FAO/k+YLb4M6Cfo74EBVcbdAFy?= =?us-ascii?Q?lLX5PIyy6PfLbXDF7mj7dZumFy9bhdGtFhCRNXiZWWrGa0EPJaajkXk85Nga?= =?us-ascii?Q?L8mWbJOZtpg47jYIiirb5Mn+HKd3MORKY0V910HxunE89A8KPFwFSZatsuX1?= =?us-ascii?Q?QYe4b89Zq/gXtRxEnF+I49WIM0eUBqwf0JaaDXlSr3XVfS8rCiJVIY+Zr+47?= =?us-ascii?Q?TV+4VYrjrjuIA4doVuAfdr/ZhEpiNqa4nfUa?= X-Forefront-Antispam-Report: CIP:193.8.40.94;CTRY:CH;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:hexagon.com;PTR:ahersrvdom50.leica-geosystems.com;CAT:NONE;SFS:(13230040)(376014)(82310400026)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: leica-geosystems.com.cn X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jul 2025 04:34:13.6145 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d063791e-3c99-4b74-964f-08ddc358d9f3 X-MS-Exchange-CrossTenant-Id: 1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a;Ip=[193.8.40.94];Helo=[hexagon.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF000509F6.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0PR06MB9544 Content-Type: text/plain; charset="utf-8" Some PWM LED driver chips like TPS92380 and LT3743 require a separate enable signal in addition to PWM control. Add this property to allow device trees to specify such GPIO, which will be controlled automatically by the driver based on the LED brightness state. Reviewed-by: Krzysztof Kozlowski Signed-off-by: LI Qingwu --- Documentation/devicetree/bindings/leds/leds-pwm.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/leds-pwm.yaml b/Documen= tation/devicetree/bindings/leds/leds-pwm.yaml index 61b97e8bc36d0..6c4fcefbe25f9 100644 --- a/Documentation/devicetree/bindings/leds/leds-pwm.yaml +++ b/Documentation/devicetree/bindings/leds/leds-pwm.yaml @@ -40,6 +40,13 @@ patternProperties: initialization. If the option is not set then max brightness is = used. $ref: /schemas/types.yaml#/definitions/uint32 =20 + enable-gpios: + description: + GPIO for LED hardware enable control. Set active when brightness= is + non-zero and inactive when brightness is zero. + The GPIO default state follows the "default-state" property. + maxItems: 1 + required: - pwms - max-brightness --=20 2.43.0