From nobody Wed Dec 31 05:08:56 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17B70C4332F for ; Tue, 14 Nov 2023 00:44:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231790AbjKNAoy (ORCPT ); Mon, 13 Nov 2023 19:44:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229962AbjKNAow (ORCPT ); Mon, 13 Nov 2023 19:44:52 -0500 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10olkn2036.outbound.protection.outlook.com [40.92.41.36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4905CD4E; Mon, 13 Nov 2023 16:44:48 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=NU1H6IbdAz4wbpfkM53NXwtnKqpi+T3rSPCGicxXJMzhM6NjRVV38sECf22q2mV6+ECCAp5e9oo8beiXdq/PJ1Xk66diK8heHFcLNjdfanPSiYT9tuvjdxKLlWxu+qU6DGoZ6xi4l6ez+zDAxdupYNNupIDRn/IAkaXBzXQZvAloeOqSDWwCtFHLULPr8amq1Ru+WqVtmaybkD5vFs8hV/2NSzZLvZAMaWUVaJy2yihXBcZTmYOvHWhg1F6WV8Cel27LSqdek7JvCjtUeBxpXuhqJlpIngsHSSCwadAbFxy8/D0KXo7Iu7BRqTbNB3szW0EA4hY+xKlEBh8cxLfmhg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=tLCJF43U9rhk3x0h56agQamxmuJvrnREIg0aplc0gC8=; b=O90JVZXUDOZoVNYxco6zyITkPaixy06Ls53HcM4v7xCpGmMh/kkWMI+54QeXzrvwE8/jSdjZmhcLi9sm0+1jY2rZ6ujYt6wSE9yY1bYj7sVLGlKtj6+7U+Vj71FhUWw/p0ELfgMS2dK15iGIJF8w3/rGaiWORxxPMN8udnIQwe+pNXY9VS/CRil5TGloUF7Q8950I2kb8lwR6JpxMs4aahaIM4vvSrbsoHacAJjycLsB5VP0OnU/orY3lh8BtBjJbqQxneB+ywiDdRyi2pC6YYxWYNrjCeI+5WZ8D6qj/p1/FBU7Wvu1hQR0J/yBNB9DAa7LAMK0lWgcREVWsH7SEg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outlook.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=tLCJF43U9rhk3x0h56agQamxmuJvrnREIg0aplc0gC8=; b=GzTcDCi8lXPjjztxFkYL1sgJmeikZ2Z77FSOCa9motgEzaB2PR/AYyGWFJELwNL8B1Pyy1LfHiDTrlaXZUUubadsNBkbjuFjb5VipgyO0xykPJUdRBUYeDFvykNAXYKlqlMbTNFFg35Ob0N0uRprMZK3UesWUv9x8zOYbjxV+AtgZ76aqD1qpGBwvJcbLV1t1MqSCUTDGTaFPY/Gh1M5qKy+hACAOaZ896T59rAx1yUZFSSTNG2sSbrYf+cC2xIb4biXvcXUFxOC7R46n7vQEmP15vFqo0GXOkplrYT9VuKmpE2+xFlCHHAmutWE3/JT6bMez/OuhfI2e97PD9CgfQ== Received: from IA1PR20MB4953.namprd20.prod.outlook.com (2603:10b6:208:3af::19) by DM6PR20MB3492.namprd20.prod.outlook.com (2603:10b6:5:2a3::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6977.29; Tue, 14 Nov 2023 00:44:46 +0000 Received: from IA1PR20MB4953.namprd20.prod.outlook.com ([fe80::55b:c350:980:ad8]) by IA1PR20MB4953.namprd20.prod.outlook.com ([fe80::55b:c350:980:ad8%6]) with mapi id 15.20.6977.029; Tue, 14 Nov 2023 00:44:46 +0000 From: Inochi Amaoto To: Daniel Lezcano , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Inochi Amaoto , Chen Wang Cc: Guo Ren , Jisheng Zhang , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v2 1/2] dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs Date: Tue, 14 Nov 2023 08:45:31 +0800 Message-ID: X-Mailer: git-send-email 2.42.1 In-Reply-To: References: Content-Transfer-Encoding: quoted-printable X-TMN: [0mrh/P47aZM+VvyH6RMX0C3C2ZQ6F5hcch1gvP+7At8=] X-ClientProxiedBy: TYBP286CA0013.JPNP286.PROD.OUTLOOK.COM (2603:1096:404:ce::25) To IA1PR20MB4953.namprd20.prod.outlook.com (2603:10b6:208:3af::19) X-Microsoft-Original-Message-ID: <20231114004534.43833-1-inochiama@outlook.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA1PR20MB4953:EE_|DM6PR20MB3492:EE_ X-MS-Office365-Filtering-Correlation-Id: d37af353-6b31-418e-dc2d-08dbe4aae65e X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?g/fqNw2VU77obNr2BI+jZVwv6ILMOxy91JiovbVY+aBhWdMu2rCQGZXyloKZ?= =?us-ascii?Q?BUNufGAy9A8YmWG0NFA6tP3/UQxldlrCVX8RUX7wW07igh/S4ZgqYaeOe8rm?= =?us-ascii?Q?JiPXpNGk+eTzZQ2R0wT4Sw8gECYWBzf3BEiObIyThAAvCKJq3OGTurJLtr7S?= =?us-ascii?Q?6lq1r8UjCcYeldDNwufULGHhzHXdFKJfkAyUzr0tXGUIgsbC+cQjp2ef0kPf?= =?us-ascii?Q?QvrCYjkGcOJ6ba8HfbxAlaPD5ZyayndJxS8nUTpqnp8IBNVxCHWGXe75t9po?= =?us-ascii?Q?vADaaHaORHajj6zhJNvnT3APyrIfbC4QoaoqHU+jv3IdxE50WlsKTB+RUvbf?= =?us-ascii?Q?Q5GstS1cOpm1CbiRSjijVSa0hENForaS7ntrIWgVp+JPb5fTWiLNwQUuR1x3?= =?us-ascii?Q?ZsC88JyXCJ9dFjOgVaXXphKFgtUztWF9baNxStoJAJzSz7AiPAOkGdia63PF?= =?us-ascii?Q?YPXnGF07ynifWdN3+Oux4ALVyYXIZ5k+OZ3uoyD4o3cUrPcqgVm+SnUcd+uc?= =?us-ascii?Q?FlmgI3hyK4U7Eo5eQiE+Mh7sCXyCQVrXjog0Mop01bK8T1oEYNir2h48sFAv?= =?us-ascii?Q?TcXf7ojU2HMMdmAlZ/Vt/+a21Q8Q4ljeivW+VDNxMVAvKoWxFm1ZivUgZagP?= =?us-ascii?Q?+BZG06l5g27IFSn94XTgFLHT62lcyuSZo3WKL2v3H+yZChNhqrmIHhO/rw+a?= =?us-ascii?Q?3DS3Ny1q/U7NYcKkVC4kZpx+hy7fomvVrKENbjgNP18oR8V5PwL7hBZMBdaf?= =?us-ascii?Q?1oAHgd3MMh0BN4Wz7SaMv8Ms5iHP+MLTWljx/fjL3G5DULcDIPcZPegRfh1X?= =?us-ascii?Q?nWrBnizeR6E+T0G9pV6VN5jockmkAty4WOb6GTdQPmFZkxTIlS/HGoD+ykWY?= =?us-ascii?Q?Kt5rTrw+OcKGI5lbEVKFu/1wCKpv9axx/2WKmpo8JXZynxvN2xfwyDP05S5I?= =?us-ascii?Q?eCmsxceHSmJnSvXnWhOwwjMIYXAekwEiF/oonvOHgtkE3xNl0rW/EQVAG8qi?= =?us-ascii?Q?RggwbR0KtwrvKaxCep8hcg0xWlaWPuOTdeLKkVh1CeZZMUFDdMwS08n9gZVK?= =?us-ascii?Q?RXFL4ZXYBJ6Hpg7U9Sm9jK9RatUJj6xMEP8AbkpRHniy/TGe+2S/7OKlEm87?= =?us-ascii?Q?tDKQqDwG4pKSdXOZwm5DtBR+iUWpLIHv6CtWEe56L8DGFOYyHZZRXrUI9aAr?= =?us-ascii?Q?EndHsmM6X/1ZbY3K50igMEAHrPPQRqCxfZZJ15zY67Evs6rxGQYyraUb5Yw?= =?us-ascii?Q?=3D?= X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: d37af353-6b31-418e-dc2d-08dbe4aae65e X-MS-Exchange-CrossTenant-AuthSource: IA1PR20MB4953.namprd20.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Nov 2023 00:44:46.7477 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR20MB3492 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The timer registers of aclint don't follow the clint layout and can be mapped on any different offset. As sg2042 uses separated timer and mswi for its clint, it should follow the aclint spec and have separated registers. The previous patch introduces a new type of T-HEAD aclint timer which has clint timer layout. Although the timer has the clint layout, it should follow the aclint spec and uses the separated mtime and mtimecmp regs. So a ABI change is needed to make the timer fit the aclint spec. To make T-HEAD aclint timer more closer to the aclint spec, use two regs to represent the mtime and mtimecmp. Signed-off-by: Inochi Amaoto Fixes: 4734449f7311 ("dt-bindings: timer: Add Sophgo sg2042 CLINT timer") Link: https://lists.infradead.org/pipermail/opensbi/2023-October/005693.html Link: https://github.com/riscv/riscv-aclint/blob/main/riscv-aclint.adoc --- .../devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtim= er.yaml b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.= yaml index fbd235650e52..c3080962d902 100644 --- a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml +++ b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml @@ -17,7 +17,7 @@ properties: - const: thead,c900-aclint-mtimer reg: - maxItems: 1 + maxItems: 2 interrupts-extended: minItems: 1 @@ -38,6 +38,7 @@ examples: <&cpu2intc 7>, <&cpu3intc 7>, <&cpu4intc 7>; - reg =3D <0xac000000 0x00010000>; + reg =3D <0xac000000 0x00000000>, + <0xac000000 0x0000c000>; }; ... -- 2.42.1