From patchwork Sun Jul 22 06:39:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 10539197 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1C5DF174A for ; Sun, 22 Jul 2018 06:40:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F1E5A279E0 for ; Sun, 22 Jul 2018 06:40:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E4AD127B2F; Sun, 22 Jul 2018 06:40:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 920D9279E0 for ; Sun, 22 Jul 2018 06:40:01 +0000 (UTC) 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=TE2xITDwGwqi1LO4epXOjvHT/SWyXWOkFrUBwAhAqGg=; b=QwuT4IBR6EdS6YG+OtOp2GuUeM X8eHryAg8vTlZztOlWk1N5jWpLzVDy9lnQQ0ogd3TcthccDHQwrxs0mZobwl1la/KBxuHoF9SIrZP e/9YfbqFD0o7VB+KWvA+pzWw0HQCTwcztgyNtsLWdbo/SoyOebVq8SVITC/mbII9qoNpoW1ESXdPb ZYTeh2kWm9kc3MeMnQNGFVQVt/uVLRVhbcyUc09vxCIdoaFCWMXYhku9cvrkEb0fBVAZNLn/jxIwQ 7fUqMCg4Z8Vqu1jK1sTpBpDooQXxcPnf3agi9zW6Vjc+8UsBmhchbqflPSI5vSqmPx1qq6AFlhfe3 42uGH7Fw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fh828-0001u0-OJ; Sun, 22 Jul 2018 06:39:56 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fh81x-0001hq-28 for linux-arm-kernel@lists.infradead.org; Sun, 22 Jul 2018 06:39:47 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1fh81e-0004Wl-QN; Sun, 22 Jul 2018 08:39:26 +0200 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.91) (envelope-from ) id 1fh81d-0007sw-MU; Sun, 22 Jul 2018 08:39:25 +0200 From: Oleksij Rempel To: Shawn Guo , Fabio Estevam , Rob Herring , Mark Rutland , "A.s. Dong" , Vladimir Zapolskiy Subject: [PATCH v6 3/5] dt-bindings: mailbox: imx-mu: add generic MU channel support Date: Sun, 22 Jul 2018 08:39:21 +0200 Message-Id: <20180722063923.30222-4-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180722063923.30222-1-o.rempel@pengutronix.de> References: <20180722063923.30222-1-o.rempel@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180721_233945_791770_8E7F1509 X-CRM114-Status: UNSURE ( 9.54 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Oleksij Rempel , dl-linux-imx , linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, devicetree@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Each MU has four pairs of rx/tx data register with four rx/tx interrupts which can also be used as a separate channel. Reviewed-by: Dong Aisheng Signed-off-by: Oleksij Rempel Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/mailbox/fsl,mu.txt | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt index 90e4905dfc69..113d6ab931ef 100644 --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt @@ -22,7 +22,14 @@ Required properties: - reg : Should contain the registers location and length - interrupts : Interrupt number. The interrupt specifier format depends on the interrupt controller parent. -- #mbox-cells: Must be 0. Number of cells in a mailbox +- #mbox-cells: Must be: + 0 - for single channel mode. i.MX8* SCU protocol specific. + 1 - for multichannel (generic) mode. + +Optional properties: +------------------- +- clocks : phandle to the input clock. +- fsl,mu-side-b : Should be set for side B MU. Examples: --------