From patchwork Wed Sep 5 15:41:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris Brezillon X-Patchwork-Id: 966479 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=bootlin.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 4257Hb2Sqcz9sCw for ; Thu, 6 Sep 2018 01:42:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727951AbeIEUM7 (ORCPT ); Wed, 5 Sep 2018 16:12:59 -0400 Received: from mail.bootlin.com ([62.4.15.54]:54539 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726487AbeIEUMC (ORCPT ); Wed, 5 Sep 2018 16:12:02 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id C75062079D; Wed, 5 Sep 2018 17:41:16 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.bootlin.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT shortcircuit=ham autolearn=disabled version=3.4.0 Received: from localhost.localdomain (AAubervilliers-681-1-92-107.w90-88.abo.wanadoo.fr [90.88.33.107]) by mail.bootlin.com (Postfix) with ESMTPSA id 228712071E; Wed, 5 Sep 2018 17:41:16 +0200 (CEST) From: Boris Brezillon To: Wolfram Sang , linux-i2c@vger.kernel.org, Greg Kroah-Hartman , Arnd Bergmann Cc: Jonathan Corbet , linux-doc@vger.kernel.org, Przemyslaw Sroka , Arkadiusz Golec , Alan Douglas , Bartosz Folta , Damian Kos , Alicja Jurasik-Urbaniak , Cyprian Wronka , Suresh Punnoose , Rafal Ciepiela , Thomas Petazzoni , Nishanth Menon , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Vitor Soares , Geert Uytterhoeven , Linus Walleij , Xiang Lin , linux-gpio@vger.kernel.org, Sekhar Nori , Przemyslaw Gaj , Peter Rosin , Mike Shettel , Stephen Boyd , Boris Brezillon Subject: [PATCH v7 05/10] dt-bindings: i3c: Add macros to help fill I3C/I2C device's reg property Date: Wed, 5 Sep 2018 17:41:03 +0200 Message-Id: <20180905154108.20770-6-boris.brezillon@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180905154108.20770-1-boris.brezillon@bootlin.com> References: <20180905154108.20770-1-boris.brezillon@bootlin.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The reg property of devices connected to an I3C bus have 3 cells, and filling them manually is not trivial. Provides macros to help doing that. Signed-off-by: Boris Brezillon Reviewed-by: Rob Herring --- Changes in v5: - none --- include/dt-bindings/i3c/i3c.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 include/dt-bindings/i3c/i3c.h diff --git a/include/dt-bindings/i3c/i3c.h b/include/dt-bindings/i3c/i3c.h new file mode 100644 index 000000000000..97448c546649 --- /dev/null +++ b/include/dt-bindings/i3c/i3c.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2017 Cadence Design Systems Inc. + * + * Author: Boris Brezillon + */ + +#ifndef _DT_BINDINGS_I3C_I3C_H +#define _DT_BINDINGS_I3C_I3C_H + +#define IS_I2C_DEV 0x80000000 + +#define I2C_DEV(addr, lvr) \ + (addr) (IS_I2C_DEV | (lvr)) 0x0 + +#define I3C_PID(manufid, partid, instid, extrainfo) \ + ((manufid) << 1) \ + (((partid) << 16) | ((instid) << 12) | (extrainfo)) + +#define I3C_DEV_WITH_STATIC_ADDR(addr, manufid, partid, \ + instid, extrainfo) \ + (addr) I3C_PID(manufid, partid, instid, extrainfo) + +#define I3C_DEV(manufid, partid, instid, extrainfo) \ + I3C_DEV_WITH_STATIC_ADDR(0x0, manufid, partid, \ + instid, extrainfo) + +#endif