From patchwork Fri Dec 20 07:37:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joakim Zhang X-Patchwork-Id: 11304941 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6B2C6138D for ; Fri, 20 Dec 2019 07:40:55 +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 29C7021D7D for ; Fri, 20 Dec 2019 07:40:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="R9gQsLkz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 29C7021D7D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=9ZIZxWV5FgWKHZRdU5N9RohNLKFglT+A04zB/V+mI6o=; b=R9gQsLkzIICmZiIrj4kJfQaIET KU8y0t3Dh0ahHFZq1LHxCMRtmZajiwkPbdWbNdbl0OXOpSq0swrKPm8wf+4FmK93bGJ4COG1y3Rkm QDCAB3lvKBcGYjXlPM8pWUjW5jKbcrsVqNoYrYIeY3TL8Dm6JeeebblyWMYdWWgBTzbDXtPkAd8HU Q1B1rk8Cyn0m5dtKwVdbNES0AE0V4pmjjtQx90hcikb01HebUp021QfS7uppKnrIevhBmWz8Tldty V3m0ceEqgZYfTMqF0LAOH11V7edmsQmRUGHvZJlPE/QqSN45vRVQ873skK7LnHimTHwU9emMxX5HI GOLcQ2bQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iiCu5-00042o-ME; Fri, 20 Dec 2019 07:40:53 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iiCts-0003ql-LP for linux-arm-kernel@lists.infradead.org; Fri, 20 Dec 2019 07:40:42 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 7381920079B; Fri, 20 Dec 2019 08:40:39 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 4972020045F; Fri, 20 Dec 2019 08:40:33 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 8CDE04030B; Fri, 20 Dec 2019 15:40:25 +0800 (SGT) From: Joakim Zhang To: maz@kernel.org, tglx@linutronix.de, jason@lakedaemon.net, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de Subject: [PATCH V3 1/2] dt-bindings/irq: add binding for NXP INTMUX interrupt multiplexer Date: Fri, 20 Dec 2019 15:37:10 +0800 Message-Id: <1576827431-31942-2-git-send-email-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1576827431-31942-1-git-send-email-qiangqing.zhang@nxp.com> References: <1576827431-31942-1-git-send-email-qiangqing.zhang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191219_234040_839077_352CD34C X-CRM114-Status: UNSURE ( 9.73 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.21 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fugang.duan@nxp.com, Joakim Zhang , linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds the DT bindings for the NXP INTMUX interrupt multiplexer for i.MX8 family SoCs. Signed-off-by: Joakim Zhang --- .../interrupt-controller/fsl,intmux.txt | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.txt new file mode 100644 index 000000000000..3ebe9cac5f20 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.txt @@ -0,0 +1,36 @@ +Freescale INTMUX interrupt multiplexer + +Required properties: + +- compatible: Should be: + - "fsl,imx-intmux" +- reg: Physical base address and size of registers. +- interrupts: Should contain the parent interrupt lines (up to 8) used to + multiplex the input interrupts. +- clocks: Should contain one clock for entry in clock-names. +- clock-names: + - "ipg": main logic clock +- interrupt-controller: Identifies the node as an interrupt controller. +- #interrupt-cells: Specifies the number of cells needed to encode an + interrupt source. The value must be 2. + - the 1st cell: hardware interrupt number + - the 2nd cell: channel index, value must smaller than channels used + +Optional properties: + +- fsl,intmux_chans: The number of channels used for interrupt source. The + Maximum value is 8. If this property is not set in DT then driver uses + 1 channel by default. + +Example: + + intmux@37400000 { + compatible = "fsl,imx-intmux"; + reg = <0x37400000 0x1000>; + interrupts = ; + clocks = <&clk IMX8QM_CM40_IPG_CLK>; + clock-names = "ipg"; + interrupt-controller; + #interrupt-cells = <1>; + }; +