From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+oj8fZ1pmFcKoGy1dVL8Bqyh3rENVY4t6lUQFxamb6bHN56zdpLngU85FG9aRsGAQzhDIC ARC-Seal: i=1; a=rsa-sha256; t=1522396078; cv=none; d=google.com; s=arc-20160816; b=pL4076Qgqm2Ux8KKuG3lCR6losQQDNNJqMbCPNq8JVmTOu5DqvLc/PkPd49+g4jiI1 K6of2C+umx5CBZMKtAedpM0ad4By3gsl6CkVr+sD2atSYZHZEGQB055lMa1vjt07jbdK nxzC73ktSV1ZoZ9sTPxBYRLpvq/u/JyyyY1CT9MJ3EKvM3pluj4izzmszbDeqc9TNVr1 haXktQbxsdB8r1fD2mddfIxZnREoao3LpGqN7X14X5MoXwDiEjaQPhglACt90mBsDkTT 1GfC2n96n0xuaEBZKskBRogMADQItDkTwjU+ia60828R39u5S9I198SFfFROk5dU8I/g B+eQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=d9GO7dGHt+gRVArEzrUchj/2BTua36FWmjURZvGrsio=; b=Szq+PDDapNngwZ0r/CWqIlQt/rx38aUUS/hcQIGc+alqRxHnAMCY53L6v5a0r25XZw D76NkMwTxVwya32G9kfn9Hlv+98GAPVWenrVnDBzJINPgejepWPUkn00e4OOY3WTMT0c 9rvt8J4eosnTR/PNTalgxOMQch7gY0NRErytFhRopkVdWrK9xrVEtTr1FiAKGjh483qf Vuk1Hb3LbpAauISF4HS7USDnEH4lbKJMbgyQtjiJLfomzCnUvxVdva+vYYlazk5iBcBV MO/Sbs8AepS+9usawd03YdGp3srRVKeahg1QplVbaduD+mEXQYzm/Umk3EK0muZ0aDOc oUgw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of boris.brezillon@bootlin.com designates 62.4.15.54 as permitted sender) smtp.mailfrom=boris.brezillon@bootlin.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of boris.brezillon@bootlin.com designates 62.4.15.54 as permitted sender) smtp.mailfrom=boris.brezillon@bootlin.com From: Boris Brezillon To: Wolfram Sang , linux-i2c@vger.kernel.org, Jonathan Corbet , linux-doc@vger.kernel.org, Greg Kroah-Hartman , Arnd Bergmann Cc: 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, Boris Brezillon Subject: [PATCH v4 05/10] dt-bindings: i3c: Add macros to help fill I3C/I2C device's reg property Date: Fri, 30 Mar 2018 09:47:46 +0200 Message-Id: <20180330074751.25987-6-boris.brezillon@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180330074751.25987-1-boris.brezillon@bootlin.com> References: <20180330074751.25987-1-boris.brezillon@bootlin.com> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1596347990519200027?= X-GMAIL-MSGID: =?utf-8?q?1596347990519200027?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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 --- 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 -- 2.14.1