From patchwork Fri Dec 20 12:34:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joakim Zhang X-Patchwork-Id: 11305375 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 0D9ED13A4 for ; Fri, 20 Dec 2019 12:38:16 +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 B0D332467F for ; Fri, 20 Dec 2019 12:38:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="XkwP/hYm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B0D332467F 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=Kp8VnJ1x2RcvREGkUhqi3ecAEfTHmaTPB3ovFR1cEWk=; b=XkwP/hYmwxT7CECl4RVFn546CZ Djea4WZAqh3qLsj0+Z0b/WMSETumREXZCbLzBh8vIAd7Yvog0pS+0Kfjv6WWSWdMKqu9GcnMqAVue TkUaBL5glnbJH2TG4FcUil+mGZsCMtq7dzW03wTv5nJjiePAHZxJCo+0fWX4arPXq2LfvN1F4kgVh axuSX/2mp/3jBIliyXs5NPDm/6VpNJiI3fkvr993fjdkKqY6O8hGmYLobus989sc3sDEO254uX9Wy qgqppgmkZkx0JYzk75deWYVTbWjnA0AiT4S3cfvWp4G3sOeGY0e4cg1+XiTZfgT+dPloPUmnctq1x tkMyS8pQ==; 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 1iiHXo-00043c-Mj; Fri, 20 Dec 2019 12:38:12 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iiHXe-0003sV-1K for linux-arm-kernel@lists.infradead.org; Fri, 20 Dec 2019 12:38:03 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 6B4491A0851; Fri, 20 Dec 2019 13:38:00 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 4C0B31A0081; Fri, 20 Dec 2019 13:37:54 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 8DFD1402D5; Fri, 20 Dec 2019 20:37:46 +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 V4 1/2] dt-bindings/irq: add binding for NXP INTMUX interrupt multiplexer Date: Fri, 20 Dec 2019 20:34:40 +0800 Message-Id: <1576845281-32675-2-git-send-email-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1576845281-32675-1-git-send-email-qiangqing.zhang@nxp.com> References: <1576845281-32675-1-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-20191220_043802_216756_9266A819 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 [92.121.34.13 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an 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..bdba3d00a935 --- /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 = <2>; + }; +