From patchwork Sat Jul 21 13:08:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 947329 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=none (p=none dis=none) header.from=pengutronix.de Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41Xp3S6PSPz9s55 for ; Sat, 21 Jul 2018 23:08:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727773AbeGUOBS (ORCPT ); Sat, 21 Jul 2018 10:01:18 -0400 Received: from metis.ext.pengutronix.de ([85.220.165.71]:50387 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727723AbeGUOBS (ORCPT ); Sat, 21 Jul 2018 10:01:18 -0400 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 1fgrcd-0003Tg-Be; Sat, 21 Jul 2018 15:08:31 +0200 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.91) (envelope-from ) id 1fgrcd-0000HG-1X; Sat, 21 Jul 2018 15:08:31 +0200 From: Oleksij Rempel To: Shawn Guo , Fabio Estevam , Rob Herring , Mark Rutland , "A.s. Dong" , Vladimir Zapolskiy Cc: Oleksij Rempel , kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, dl-linux-imx Subject: [PATCH v5 2/4] dt-bindings: mailbox: imx-mu: add generic MU channel support Date: Sat, 21 Jul 2018 15:08:25 +0200 Message-Id: <20180721130827.944-3-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180721130827.944-1-o.rempel@pengutronix.de> References: <20180721130827.944-1-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: devicetree@vger.kernel.org Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Each MU has four pairs of rx/tx data register with four rx/tx interrupts which can also be used as a separate channel. Signed-off-by: Oleksij Rempel Reviewed-by: Dong Aisheng --- 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: --------