From patchwork Fri Jan 18 07:53:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 1027153 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.b="DQNGcGou"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43gtVl3F6cz9sDn for ; Fri, 18 Jan 2019 18:53:51 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727173AbfARHxu (ORCPT ); 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Fri, 18 Jan 2019 07:53:45 +0000 From: Aisheng Dong To: "linux-kernel@vger.kernel.org" CC: "linux-arm-kernel@lists.infradead.org" , "shawnguo@kernel.org" , dl-linux-imx , "l.stach@pengutronix.de" , "robh+dt@kernel.org" , "devicetree@vger.kernel.org" , "tglx@linutronix.de" , Aisheng Dong , Marc Zyngier Subject: [PATCH 1/4] dt-binding: irq: imx-irqsteer: use irq number per channel instead of group number Thread-Topic: [PATCH 1/4] dt-binding: irq: imx-irqsteer: use irq number per channel instead of group number Thread-Index: AQHUrwLwJbVcVt8a/UCLFkmrL3vODw== Date: Fri, 18 Jan 2019 07:53:45 +0000 Message-ID: <1547797668-30342-2-git-send-email-aisheng.dong@nxp.com> References: <1547797668-30342-1-git-send-email-aisheng.dong@nxp.com> In-Reply-To: <1547797668-30342-1-git-send-email-aisheng.dong@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR02CA0197.apcprd02.prod.outlook.com (2603:1096:201:21::33) To AM0PR04MB4211.eurprd04.prod.outlook.com (2603:10a6:208:66::21) authentication-results: spf=none (sender IP is ) smtp.mailfrom=aisheng.dong@nxp.com; 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PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: NLiKVqvYAQQrQBTSPNtHjmjMpE3cXsrxm1nI/SzOuIkvUdzYDWWAxUUukqmITVg1b8QN9jrqX+JD+pXNLHrSkpeN+o91/kPRcE+JzZW7CaumxvqjRIDVc4j5drcL/RKszFEM3g9k0x7pZ4DkD8dDpIw4879n7N0IaO8pb6Ffs/7NmtDnUtFy/WpehcUj66xmPLxBlXQVyGLcbL6s4KTnx0d6dcrvROpS2lgILdycnR6bNIIf9rLKhvt4xhC9nSpxvOZReWudisT6oB605uayoPU/TV+S0JxQIDKlk2jFy5Fr9YBaly1Q5GkhVtaSDQSM7UcSiqju9AbJPvbdeu99CKhl58+h7+oCs/Am86QGVbJuHHSOIVxfB1KHpHbXTZexjBS0jkIUb9v6D26NyezgJolAywHRdHnazsu5gdirNTY= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0dd3b988-aee0-41e1-7474-08d67d1a11fa X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Jan 2019 07:53:40.3263 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB6001 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Not all 64 interrupts may be used in one group. e.g. most irqsteer in imx8qxp and imx8qm subsystems supports only 32 interrupts. As the IP integration parameters are Channel number and interrupts number, let's use fsl,irqs-per-chan to represents how many interrupts supported by this irqsteer channel. Cc: Marc Zyngier Cc: Rob Herring Cc: Lucas Stach Cc: Shawn Guo Cc: devicetree@vger.kernel.org Signed-off-by: Dong Aisheng --- .../devicetree/bindings/interrupt-controller/fsl,irqsteer.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt index 45790ce..eaabcda 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt @@ -16,8 +16,8 @@ Required properties: - #interrupt-cells: Specifies the number of cells needed to encode an interrupt source. The value must be 1. - fsl,channel: The output channel that all input IRQs should be steered into. -- fsl,irq-groups: Number of IRQ groups managed by this controller instance. - Each group manages 64 input interrupts. +- fsl,irqs-per-chan: Number of input interrupts per channel. Should be multiple of 32 + input interrupts and up to 512 interrupts. Example: @@ -28,7 +28,7 @@ Example: clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>; clock-names = "ipg"; fsl,channel = <0>; - fsl,irq-groups = <1>; + fsl,irqs-per-chan= <64>; interrupt-controller; #interrupt-cells = <1>; }; From patchwork Fri Jan 18 07:53:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 1027155 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.b="JwFP7RiP"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43gtW12g6Nz9sLw for ; 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Fri, 18 Jan 2019 07:53:49 +0000 Received: from AM0PR04MB4211.eurprd04.prod.outlook.com ([fe80::c4d2:7dfd:4576:bdd5]) by AM0PR04MB4211.eurprd04.prod.outlook.com ([fe80::c4d2:7dfd:4576:bdd5%5]) with mapi id 15.20.1537.018; Fri, 18 Jan 2019 07:53:49 +0000 From: Aisheng Dong To: "linux-kernel@vger.kernel.org" CC: "linux-arm-kernel@lists.infradead.org" , "shawnguo@kernel.org" , dl-linux-imx , "l.stach@pengutronix.de" , "robh+dt@kernel.org" , "devicetree@vger.kernel.org" , "tglx@linutronix.de" , Aisheng Dong , Marc Zyngier Subject: [PATCH 2/4] dt-bindings: irq: imx-irqsteer: add multi output interrupts support Thread-Topic: [PATCH 2/4] dt-bindings: irq: imx-irqsteer: add multi output interrupts support Thread-Index: AQHUrwLykX6+N3XFgUO8ens4SoCdhg== Date: Fri, 18 Jan 2019 07:53:49 +0000 Message-ID: <1547797668-30342-3-git-send-email-aisheng.dong@nxp.com> References: <1547797668-30342-1-git-send-email-aisheng.dong@nxp.com> In-Reply-To: <1547797668-30342-1-git-send-email-aisheng.dong@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR02CA0197.apcprd02.prod.outlook.com (2603:1096:201:21::33) To AM0PR04MB4211.eurprd04.prod.outlook.com (2603:10a6:208:66::21) authentication-results: spf=none (sender IP is ) smtp.mailfrom=aisheng.dong@nxp.com; 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Cc: Marc Zyngier Cc: Rob Herring Cc: Lucas Stach Cc: Shawn Guo Cc: devicetree@vger.kernel.org Signed-off-by: Dong Aisheng --- .../devicetree/bindings/interrupt-controller/fsl,irqsteer.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt index eaabcda..beeed4a 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt @@ -6,8 +6,9 @@ Required properties: - "fsl,imx8m-irqsteer" - "fsl,imx-irqsteer" - reg: Physical base address and size of registers. -- interrupts: Should contain the parent interrupt line used to multiplex the - input interrupts. +- interrupts: Should contain the up to 8 parent interrupt lines used to + multiplex the input interrupts. They should be sepcified seqencially + from output 0 to 7. NOTE at least one output interrupt has to be specified. - clocks: Should contain one clock for entry in clock-names see Documentation/devicetree/bindings/clock/clock-bindings.txt - clock-names: