From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 166B0C4320E for ; Mon, 30 Aug 2021 04:18:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F2D8E60F5C for ; Mon, 30 Aug 2021 04:18:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231285AbhH3ETV (ORCPT ); Mon, 30 Aug 2021 00:19:21 -0400 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:45376 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231237AbhH3ETQ (ORCPT ); Mon, 30 Aug 2021 00:19:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1630297103; x=1661833103; h=from:to:cc:subject:date:message-id:in-reply-to: references:content-transfer-encoding:mime-version; bh=C9/elSbr5yehmxx7fr0kbidIpXGbyfdwnuv+2zhvAaQ=; b=hNjVu/H22aURmsxhTFVRb+CNu6pmSlrb3WHH8qmQ8s+eiZoSVb/u5ku2 0QgDTiSRhV2VdndRMky+q9IopUj4pF7bous+JCqlwmEo1WZfe/2y9o2Lk lZdTEan1oObcFZOEglGanRg3BXkCffEv6vipkEp4y/osqgbxPYw1+7a4C +mdfUWCUINrpEIihGQZnZOyeG7/Qxj2ZaVmGn7PT7VP1iwnTyGEZ+3u3r FowWc0QMiwTAzvFHS10iAzEaVbQOtyQFFLQeLgAaCLvTFm+iOaiI7z4pP FHFSWFrRWj8bCMC6wHxbPv+j7qsdnTEBteDvYVZtcT4E01dCpd6NCBYFp Q==; X-IronPort-AV: E=Sophos;i="5.84,362,1620662400"; d="scan'208";a="177841324" Received: from mail-bn8nam12lp2172.outbound.protection.outlook.com (HELO NAM12-BN8-obe.outbound.protection.outlook.com) ([104.47.55.172]) by ob1.hgst.iphmx.com with ESMTP; 30 Aug 2021 12:18:20 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TOJv7T8E/s9LDUY1/333Oe1OX5QtySHnvKvWHga9xRfBptGF1LwrtlYOlxihDH+ccgBbA0FTVwSWOksrcaWWN14Nbud1A4A6kdNH9qevyJEJIZHRWojt9wuakst/qAc3tQDPGQQyVvE7pc3RnG1QYSH6SSg6hafl/NIoXiENjOm/gYI0z5WxwTzkktGUtO5YRjaytil6BP7sJZd+PFN2ZOztxJlhtwjlddI1odrup4UN6aOHgkan0fPp9Vn8dpUeizTM85roa/GrGrpWxm6V2ZqD3DRQ2h+IaynmDFJoKG1TvaAP0rFI8rwnMTEVV2yIbk0FRvUO08gS78ysqB8xAw== 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-SenderADCheck; bh=MRy5w8eBGhfSZgy6uQ9PYs00ukcfzSjzb5Mo08PuMjE=; b=ZBFb9+JrWZ8nXt9cwwTYTJ9wU9l07DB7HrpcA6q0Jc7ZF0SYrAwCH2vqPBO5/QWtZONzGGtJUYt7IEZiscwVkNvbwDsDPktv9lCVFN/lWtoKU5gaFURO47yomhHsGQc8JX/AEJ+M97wXDG0eFbWpBoKJRvL0egXn1QHmqHMBA1MIaIlMcJqIx5+AierpzE5vNPVbt3snMUyLFdfjMGqxKx518DHK890v+9io51puSdK08nGMnXMMeynflNED95ngGRY6MZgOodnH5nDq07BCQ8U+vouPgNDJG/V6DvRtxSXQLO7g0737dF+v8gGV09H1GyhPhySVazqacBe123SPMw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=wdc.com; dmarc=pass action=none header.from=wdc.com; dkim=pass header.d=wdc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector2-sharedspace-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MRy5w8eBGhfSZgy6uQ9PYs00ukcfzSjzb5Mo08PuMjE=; b=KZPCuwGVfnnQmLxD4/EC4MBoiyZ9CzLnqK/UeyX/gQMfWteGiEQovHyaNz5Am0cNfM8o8pDoBWfHJGgAG9yTPJZW+R3DHAtzM/0Z8voF5dkegTutInjr/01cOhylaGgtm/YNIBl9tZtJI7D7BD/JVquT+42ecMEkWC/dhArY6+A= Authentication-Results: dabbelt.com; dkim=none (message not signed) header.d=none;dabbelt.com; dmarc=none action=none header.from=wdc.com; Received: from SJ0PR04MB7821.namprd04.prod.outlook.com (2603:10b6:a03:3ac::8) by SJ0PR04MB7870.namprd04.prod.outlook.com (2603:10b6:a03:37e::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4457.18; Mon, 30 Aug 2021 04:18:19 +0000 Received: from SJ0PR04MB7821.namprd04.prod.outlook.com ([fe80::545a:34f7:53c5:6514]) by SJ0PR04MB7821.namprd04.prod.outlook.com ([fe80::545a:34f7:53c5:6514%8]) with mapi id 15.20.4457.024; Mon, 30 Aug 2021 04:18:19 +0000 From: Anup Patel To: Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Marc Zyngier , Daniel Lezcano , Rob Herring Cc: Atish Patra , Alistair Francis , Anup Patel , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Anup Patel Subject: [RFC PATCH v3 06/11] dt-bindings: timer: Update SiFive CLINT bindings for IPI support Date: Mon, 30 Aug 2021 09:47:24 +0530 Message-Id: <20210830041729.237252-7-anup.patel@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210830041729.237252-1-anup.patel@wdc.com> References: <20210830041729.237252-1-anup.patel@wdc.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MA1PR0101CA0002.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:21::12) To SJ0PR04MB7821.namprd04.prod.outlook.com (2603:10b6:a03:3ac::8) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from wdc.com (122.179.63.14) by MA1PR0101CA0002.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:21::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4457.18 via Frontend Transport; Mon, 30 Aug 2021 04:18:15 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e7b9bd03-85e4-4786-a1ee-08d96b6d3279 X-MS-TrafficTypeDiagnostic: SJ0PR04MB7870: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: WDCIPOUTBOUND: EOP-TRUE X-MS-Oob-TLC-OOBClassifiers: OLM:3513; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ0PR04MB7821.namprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(6029001)(4636009)(39860400002)(376002)(346002)(396003)(366004)(136003)(55016002)(110136005)(66556008)(66476007)(54906003)(8936002)(7696005)(52116002)(956004)(316002)(66946007)(2616005)(44832011)(8676002)(6666004)(2906002)(8886007)(83380400001)(5660300002)(186003)(86362001)(478600001)(7416002)(4326008)(38350700002)(38100700002)(26005)(36756003)(1076003)(473944003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?aIkr+qo01DZPhMi3IKpD1uoZtSSbnepa4vqpQctoEVHuLs1eUbQPGAmDvyPE?= =?us-ascii?Q?D9Wga/OKpNqCG4mEo5e1s3TZdW9GrFT8+R/4uh4+RlshiBChpSu4RQ843rUF?= =?us-ascii?Q?TU4nOLT6+wjNkK+RA7pDR7UdktUTRRRCnu+PkGgSoyrsv7SMJxCSJfB7wbpV?= =?us-ascii?Q?dLp6Hd8llU0N3Yoyh5dl078QOtLFxPKuxFx0OoKTS7+2Szd6QEBdkoryLceC?= =?us-ascii?Q?rSIslMV88jOoT3xjT2Ujnt0emflh/oh7MRNQEeaMt29oPO4ux+71gdVUfTH0?= =?us-ascii?Q?JYK4I8FRTsL0SaeY4wTrSz+sYK+fV53tCg/cTtSVF4fNI+YS07OnoWihJ19m?= =?us-ascii?Q?G4WiOyMlq3h2Ts9Bc6IH6JXB9/XAf/2LNaJGAEZfTVmhITYnoceN+C8qr9ma?= =?us-ascii?Q?l4KofxyRfDukvIz4GS0FqOD3aErzDsf99udSfMmtGfKAerpZ1+9RirPSejwx?= =?us-ascii?Q?596c6f/etnCGiWlqcR8Gi8aFHKtkR9aHuVt7ftauADOQHTpG01EP+5tc9jox?= =?us-ascii?Q?VM2QTsFaPggRs2sVdO0Ur9qvROHUd3x7Lq/bB1MelLgyWXDGXBTTDe5ByuIO?= =?us-ascii?Q?UlIIbQxzrz3LbRdnXYnSfOip3PZOkxkTObeozj+Vh6glY9yJuIxNHx2/R5l0?= =?us-ascii?Q?uN4smlQpdbkM54fMU8qghLgtIcVbqyYde4ovPmPGbiHOcC55MHPficBLVQ/l?= =?us-ascii?Q?ZSiBHX1893gyGytgEpaui2n2QtVTNN5jAc+Gso1vNKX2gKxDOR1uLZiEYJHJ?= =?us-ascii?Q?E26s1HkIWhgnxbylVFhcExZYD845E7vrEwIMUY/2fEjMnjv6rl7Tk0FQiNre?= =?us-ascii?Q?Ugywy+6ZVDLDSUrm6+Fb0u8h/1x62FXPfvzZXH5FWRCW7yenbZk2M5tk0oky?= =?us-ascii?Q?bsexPxx2gJRoykQ6KXFl1BokZoHS0oQ1jKvjBbmjr5Lm9BotuOFI+JdVoNuH?= =?us-ascii?Q?yH5Ao5icm+RRpCz1PD4CgqE9JDKsV7Bjup6DuM1Onvm5H0ZPFS+MzgvGst5d?= =?us-ascii?Q?aH6mevLWYMKcvdAw2gO1Q/qPi1RMcR41U+AkUS4ifCRlr1dBEZS2ltsg9elG?= =?us-ascii?Q?pOFDkmW4xm386uPUzwSRLRrpcHXmoSVfQEfRqrkn77V2XLQxam/PkZmXVTZK?= =?us-ascii?Q?33EIkEunjmdjfLL/zEWGuKvKwPL+bhPQF+HAR2fvQfx2dC2OD+g0lZSEbIYJ?= =?us-ascii?Q?ZswiHzRXygHmvEFVs2FKMKHPMHkZPEVw5bj7zZ33smkDGpbG2g9X8OOOOEds?= =?us-ascii?Q?uZeQ6zNWSSJUFlLw0Q9+/1dWY7mleAX6m/eOwthsF8N34CqPd9bSFqi806Ct?= =?us-ascii?Q?QQCxSOkvf0jwmZZmkZh/2z55?= X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: e7b9bd03-85e4-4786-a1ee-08d96b6d3279 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR04MB7821.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Aug 2021 04:18:19.5380 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9AgkEjRa9J5qdJiLGarNYsgnygSbDaMGImKtKQO0uVUzZEMYOZJlOPuI+evPdN7RjBYCK732m18L44ZemlrzGg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR04MB7870 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Linux RISC-V now treats IPIs as regular per-CPU IRQs. This means we have to create a IPI interrupt domain to use CLINT IPI functionality hence requiring a "interrupt-controller" and "#interrupt-cells" DT property in CLINT DT nodes. Impact of this CLINT DT bindings change only affects Linux RISC-V NoMMU kernel and has no effect of existing M-mode runtime firmwares (i.e. OpenSBI). Signed-off-by: Anup Patel --- .../bindings/timer/sifive,clint.yaml | 20 ++++++++++++++----- arch/riscv/boot/dts/canaan/k210.dtsi | 2 ++ .../boot/dts/microchip/microchip-mpfs.dtsi | 2 ++ 3 files changed, 19 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/timer/sifive,clint.yaml b/Documentation/devicetree/bindings/timer/sifive,clint.yaml index a35952f48742..9c8ef9f4094f 100644 --- a/Documentation/devicetree/bindings/timer/sifive,clint.yaml +++ b/Documentation/devicetree/bindings/timer/sifive,clint.yaml @@ -43,6 +43,12 @@ properties: interrupts-extended: minItems: 1 + maxItems: 4095 + + "#interrupt-cells": + const: 0 + + interrupt-controller: true additionalProperties: false @@ -50,15 +56,19 @@ required: - compatible - reg - interrupts-extended + - interrupt-controller + - "#interrupt-cells" examples: - | timer@2000000 { compatible = "sifive,fu540-c000-clint", "sifive,clint0"; - interrupts-extended = <&cpu1intc 3 &cpu1intc 7 - &cpu2intc 3 &cpu2intc 7 - &cpu3intc 3 &cpu3intc 7 - &cpu4intc 3 &cpu4intc 7>; - reg = <0x2000000 0x10000>; + interrupts-extended = <&cpu1intc 3>, <&cpu1intc 7>, + <&cpu2intc 3>, <&cpu2intc 7>, + <&cpu3intc 3>, <&cpu3intc 7>, + <&cpu4intc 3>, <&cpu4intc 7>; + reg = <0x2000000 0x10000>; + interrupt-controller; + #interrupt-cells = <0>; }; ... diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi index 5e8ca8142482..67dcda1efadb 100644 --- a/arch/riscv/boot/dts/canaan/k210.dtsi +++ b/arch/riscv/boot/dts/canaan/k210.dtsi @@ -105,6 +105,8 @@ clint0: timer@2000000 { reg = <0x2000000 0xC000>; interrupts-extended = <&cpu0_intc 3 &cpu0_intc 7 &cpu1_intc 3 &cpu1_intc 7>; + #interrupt-cells = <0>; + interrupt-controller; }; plic0: interrupt-controller@c000000 { diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index b9819570a7d1..67fb41439f20 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -168,6 +168,8 @@ &cpu1_intc 3 &cpu1_intc 7 &cpu2_intc 3 &cpu2_intc 7 &cpu3_intc 3 &cpu3_intc 7 &cpu4_intc 3 &cpu4_intc 7>; + #interrupt-cells = <0>; + interrupt-controller; }; plic: interrupt-controller@c000000 { -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA8E8C19F37 for ; Mon, 30 Aug 2021 04:18:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B663360F8F for ; Mon, 30 Aug 2021 04:18:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B663360F8F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=wdc.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ic4FqOceM9dHA4r6cS3KHVnwErwzdt54BFA+L1YrlqQ=; b=jMStzSuCdxb/F0 4wZ3vI8t6vvrCYcug1ycZwscz6ORLAH2NYrcTojPt2GWzDy8wdNYv7H5IpoDOWxQvYmcKQ6IXroFm KSVdrpkeLUO23saKWvIMuTIGX/6XaPrRpkS7X4tiR45vAGvYo7AKutceBJRINtNMcHQUUAnOmTAvc bd+wFWtmXL7xymtRnrI5INIWjpheXC6vPFznaLWYd9pL8nTsIS6jJsoOgYpG9nApiGkjsP4DCEfMC DDy0kqGYHTkSQfiF687CxJXPIeKEusoRI1cPEQjF2N8Kh4n5fCBHMuWAs3+PAGTuQ6dlVgWBJxKeg MXZj1uVSa8Amx/64UTGQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKYkf-00GOU9-01; Mon, 30 Aug 2021 04:18:29 +0000 Received: from esa4.hgst.iphmx.com ([216.71.154.42]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKYka-00GORj-7k for linux-riscv@lists.infradead.org; Mon, 30 Aug 2021 04:18:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1630297104; x=1661833104; h=from:to:cc:subject:date:message-id:in-reply-to: references:content-transfer-encoding:mime-version; bh=C9/elSbr5yehmxx7fr0kbidIpXGbyfdwnuv+2zhvAaQ=; b=RWoltD21KUaIFqPgRJ/mj5DPjb9wWBCd0/WQl4dRx3+7vWqbeVyotPBf ZGvVbOHYVixxStjR91ZhhBPD9KSe8JYuQDSRmyp9MsUU0Mhf+49uXE8tZ tMgF/Y9lHy/PT1guQryJdMlORUJm7RyiL2nVl060sjEh+Sn5So3yeUkOs x5gQ4bH3CfrYYhzZGFnnZoQTkTEwoxwHUOaMhm+0JFNGFTLKPi3FtOjMS vhiwtVJO1Z6fiSgqQ5paxCdnyILPVy9SIRZUg/HbsAQSNvUuxMGFrapLY lUkYplTpTbidcVcFI6HHyTexI0voLxLnR/PhgoBezknnfWu6EV4ro5oyJ g==; X-IronPort-AV: E=Sophos;i="5.84,362,1620662400"; d="scan'208";a="177841324" Received: from mail-bn8nam12lp2172.outbound.protection.outlook.com (HELO NAM12-BN8-obe.outbound.protection.outlook.com) ([104.47.55.172]) by ob1.hgst.iphmx.com with ESMTP; 30 Aug 2021 12:18:20 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TOJv7T8E/s9LDUY1/333Oe1OX5QtySHnvKvWHga9xRfBptGF1LwrtlYOlxihDH+ccgBbA0FTVwSWOksrcaWWN14Nbud1A4A6kdNH9qevyJEJIZHRWojt9wuakst/qAc3tQDPGQQyVvE7pc3RnG1QYSH6SSg6hafl/NIoXiENjOm/gYI0z5WxwTzkktGUtO5YRjaytil6BP7sJZd+PFN2ZOztxJlhtwjlddI1odrup4UN6aOHgkan0fPp9Vn8dpUeizTM85roa/GrGrpWxm6V2ZqD3DRQ2h+IaynmDFJoKG1TvaAP0rFI8rwnMTEVV2yIbk0FRvUO08gS78ysqB8xAw== 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-SenderADCheck; bh=MRy5w8eBGhfSZgy6uQ9PYs00ukcfzSjzb5Mo08PuMjE=; b=ZBFb9+JrWZ8nXt9cwwTYTJ9wU9l07DB7HrpcA6q0Jc7ZF0SYrAwCH2vqPBO5/QWtZONzGGtJUYt7IEZiscwVkNvbwDsDPktv9lCVFN/lWtoKU5gaFURO47yomhHsGQc8JX/AEJ+M97wXDG0eFbWpBoKJRvL0egXn1QHmqHMBA1MIaIlMcJqIx5+AierpzE5vNPVbt3snMUyLFdfjMGqxKx518DHK890v+9io51puSdK08nGMnXMMeynflNED95ngGRY6MZgOodnH5nDq07BCQ8U+vouPgNDJG/V6DvRtxSXQLO7g0737dF+v8gGV09H1GyhPhySVazqacBe123SPMw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=wdc.com; dmarc=pass action=none header.from=wdc.com; dkim=pass header.d=wdc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector2-sharedspace-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MRy5w8eBGhfSZgy6uQ9PYs00ukcfzSjzb5Mo08PuMjE=; b=KZPCuwGVfnnQmLxD4/EC4MBoiyZ9CzLnqK/UeyX/gQMfWteGiEQovHyaNz5Am0cNfM8o8pDoBWfHJGgAG9yTPJZW+R3DHAtzM/0Z8voF5dkegTutInjr/01cOhylaGgtm/YNIBl9tZtJI7D7BD/JVquT+42ecMEkWC/dhArY6+A= Authentication-Results: dabbelt.com; dkim=none (message not signed) header.d=none;dabbelt.com; dmarc=none action=none header.from=wdc.com; Received: from SJ0PR04MB7821.namprd04.prod.outlook.com (2603:10b6:a03:3ac::8) by SJ0PR04MB7870.namprd04.prod.outlook.com (2603:10b6:a03:37e::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4457.18; Mon, 30 Aug 2021 04:18:19 +0000 Received: from SJ0PR04MB7821.namprd04.prod.outlook.com ([fe80::545a:34f7:53c5:6514]) by SJ0PR04MB7821.namprd04.prod.outlook.com ([fe80::545a:34f7:53c5:6514%8]) with mapi id 15.20.4457.024; Mon, 30 Aug 2021 04:18:19 +0000 From: Anup Patel To: Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Marc Zyngier , Daniel Lezcano , Rob Herring Cc: Atish Patra , Alistair Francis , Anup Patel , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Anup Patel Subject: [RFC PATCH v3 06/11] dt-bindings: timer: Update SiFive CLINT bindings for IPI support Date: Mon, 30 Aug 2021 09:47:24 +0530 Message-Id: <20210830041729.237252-7-anup.patel@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210830041729.237252-1-anup.patel@wdc.com> References: <20210830041729.237252-1-anup.patel@wdc.com> X-ClientProxiedBy: MA1PR0101CA0002.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:21::12) To SJ0PR04MB7821.namprd04.prod.outlook.com (2603:10b6:a03:3ac::8) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from wdc.com (122.179.63.14) by MA1PR0101CA0002.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:21::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4457.18 via Frontend Transport; Mon, 30 Aug 2021 04:18:15 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e7b9bd03-85e4-4786-a1ee-08d96b6d3279 X-MS-TrafficTypeDiagnostic: SJ0PR04MB7870: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: WDCIPOUTBOUND: EOP-TRUE X-MS-Oob-TLC-OOBClassifiers: OLM:3513; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SJ0PR04MB7821.namprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(6029001)(4636009)(39860400002)(376002)(346002)(396003)(366004)(136003)(55016002)(110136005)(66556008)(66476007)(54906003)(8936002)(7696005)(52116002)(956004)(316002)(66946007)(2616005)(44832011)(8676002)(6666004)(2906002)(8886007)(83380400001)(5660300002)(186003)(86362001)(478600001)(7416002)(4326008)(38350700002)(38100700002)(26005)(36756003)(1076003)(473944003); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?aIkr+qo01DZPhMi3IKpD1uoZtSSbnepa4vqpQctoEVHuLs1eUbQPGAmDvyPE?= =?us-ascii?Q?D9Wga/OKpNqCG4mEo5e1s3TZdW9GrFT8+R/4uh4+RlshiBChpSu4RQ843rUF?= =?us-ascii?Q?TU4nOLT6+wjNkK+RA7pDR7UdktUTRRRCnu+PkGgSoyrsv7SMJxCSJfB7wbpV?= =?us-ascii?Q?dLp6Hd8llU0N3Yoyh5dl078QOtLFxPKuxFx0OoKTS7+2Szd6QEBdkoryLceC?= =?us-ascii?Q?rSIslMV88jOoT3xjT2Ujnt0emflh/oh7MRNQEeaMt29oPO4ux+71gdVUfTH0?= =?us-ascii?Q?JYK4I8FRTsL0SaeY4wTrSz+sYK+fV53tCg/cTtSVF4fNI+YS07OnoWihJ19m?= =?us-ascii?Q?G4WiOyMlq3h2Ts9Bc6IH6JXB9/XAf/2LNaJGAEZfTVmhITYnoceN+C8qr9ma?= =?us-ascii?Q?l4KofxyRfDukvIz4GS0FqOD3aErzDsf99udSfMmtGfKAerpZ1+9RirPSejwx?= =?us-ascii?Q?596c6f/etnCGiWlqcR8Gi8aFHKtkR9aHuVt7ftauADOQHTpG01EP+5tc9jox?= =?us-ascii?Q?VM2QTsFaPggRs2sVdO0Ur9qvROHUd3x7Lq/bB1MelLgyWXDGXBTTDe5ByuIO?= =?us-ascii?Q?UlIIbQxzrz3LbRdnXYnSfOip3PZOkxkTObeozj+Vh6glY9yJuIxNHx2/R5l0?= =?us-ascii?Q?uN4smlQpdbkM54fMU8qghLgtIcVbqyYde4ovPmPGbiHOcC55MHPficBLVQ/l?= =?us-ascii?Q?ZSiBHX1893gyGytgEpaui2n2QtVTNN5jAc+Gso1vNKX2gKxDOR1uLZiEYJHJ?= =?us-ascii?Q?E26s1HkIWhgnxbylVFhcExZYD845E7vrEwIMUY/2fEjMnjv6rl7Tk0FQiNre?= =?us-ascii?Q?Ugywy+6ZVDLDSUrm6+Fb0u8h/1x62FXPfvzZXH5FWRCW7yenbZk2M5tk0oky?= =?us-ascii?Q?bsexPxx2gJRoykQ6KXFl1BokZoHS0oQ1jKvjBbmjr5Lm9BotuOFI+JdVoNuH?= =?us-ascii?Q?yH5Ao5icm+RRpCz1PD4CgqE9JDKsV7Bjup6DuM1Onvm5H0ZPFS+MzgvGst5d?= =?us-ascii?Q?aH6mevLWYMKcvdAw2gO1Q/qPi1RMcR41U+AkUS4ifCRlr1dBEZS2ltsg9elG?= =?us-ascii?Q?pOFDkmW4xm386uPUzwSRLRrpcHXmoSVfQEfRqrkn77V2XLQxam/PkZmXVTZK?= =?us-ascii?Q?33EIkEunjmdjfLL/zEWGuKvKwPL+bhPQF+HAR2fvQfx2dC2OD+g0lZSEbIYJ?= =?us-ascii?Q?ZswiHzRXygHmvEFVs2FKMKHPMHkZPEVw5bj7zZ33smkDGpbG2g9X8OOOOEds?= =?us-ascii?Q?uZeQ6zNWSSJUFlLw0Q9+/1dWY7mleAX6m/eOwthsF8N34CqPd9bSFqi806Ct?= =?us-ascii?Q?QQCxSOkvf0jwmZZmkZh/2z55?= X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: e7b9bd03-85e4-4786-a1ee-08d96b6d3279 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR04MB7821.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Aug 2021 04:18:19.5380 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9AgkEjRa9J5qdJiLGarNYsgnygSbDaMGImKtKQO0uVUzZEMYOZJlOPuI+evPdN7RjBYCK732m18L44ZemlrzGg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR04MB7870 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210829_211824_384144_AF63D798 X-CRM114-Status: GOOD ( 12.33 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org The Linux RISC-V now treats IPIs as regular per-CPU IRQs. This means we have to create a IPI interrupt domain to use CLINT IPI functionality hence requiring a "interrupt-controller" and "#interrupt-cells" DT property in CLINT DT nodes. Impact of this CLINT DT bindings change only affects Linux RISC-V NoMMU kernel and has no effect of existing M-mode runtime firmwares (i.e. OpenSBI). Signed-off-by: Anup Patel --- .../bindings/timer/sifive,clint.yaml | 20 ++++++++++++++----- arch/riscv/boot/dts/canaan/k210.dtsi | 2 ++ .../boot/dts/microchip/microchip-mpfs.dtsi | 2 ++ 3 files changed, 19 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/timer/sifive,clint.yaml b/Documentation/devicetree/bindings/timer/sifive,clint.yaml index a35952f48742..9c8ef9f4094f 100644 --- a/Documentation/devicetree/bindings/timer/sifive,clint.yaml +++ b/Documentation/devicetree/bindings/timer/sifive,clint.yaml @@ -43,6 +43,12 @@ properties: interrupts-extended: minItems: 1 + maxItems: 4095 + + "#interrupt-cells": + const: 0 + + interrupt-controller: true additionalProperties: false @@ -50,15 +56,19 @@ required: - compatible - reg - interrupts-extended + - interrupt-controller + - "#interrupt-cells" examples: - | timer@2000000 { compatible = "sifive,fu540-c000-clint", "sifive,clint0"; - interrupts-extended = <&cpu1intc 3 &cpu1intc 7 - &cpu2intc 3 &cpu2intc 7 - &cpu3intc 3 &cpu3intc 7 - &cpu4intc 3 &cpu4intc 7>; - reg = <0x2000000 0x10000>; + interrupts-extended = <&cpu1intc 3>, <&cpu1intc 7>, + <&cpu2intc 3>, <&cpu2intc 7>, + <&cpu3intc 3>, <&cpu3intc 7>, + <&cpu4intc 3>, <&cpu4intc 7>; + reg = <0x2000000 0x10000>; + interrupt-controller; + #interrupt-cells = <0>; }; ... diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi index 5e8ca8142482..67dcda1efadb 100644 --- a/arch/riscv/boot/dts/canaan/k210.dtsi +++ b/arch/riscv/boot/dts/canaan/k210.dtsi @@ -105,6 +105,8 @@ clint0: timer@2000000 { reg = <0x2000000 0xC000>; interrupts-extended = <&cpu0_intc 3 &cpu0_intc 7 &cpu1_intc 3 &cpu1_intc 7>; + #interrupt-cells = <0>; + interrupt-controller; }; plic0: interrupt-controller@c000000 { diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index b9819570a7d1..67fb41439f20 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -168,6 +168,8 @@ &cpu1_intc 3 &cpu1_intc 7 &cpu2_intc 3 &cpu2_intc 7 &cpu3_intc 3 &cpu3_intc 7 &cpu4_intc 3 &cpu4_intc 7>; + #interrupt-cells = <0>; + interrupt-controller; }; plic: interrupt-controller@c000000 { -- 2.25.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv