From patchwork Thu Aug 29 10:19:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitor Soares X-Patchwork-Id: 1155136 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=pass (p=none dis=none) header.from=synopsys.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.b="AvcrUPSe"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46JzBR39x5z9sNf for ; Thu, 29 Aug 2019 20:19:59 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727022AbfH2KTl (ORCPT ); Thu, 29 Aug 2019 06:19:41 -0400 Received: from smtprelay-out1.synopsys.com ([198.182.61.142]:36136 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726518AbfH2KTk (ORCPT ); Thu, 29 Aug 2019 06:19:40 -0400 Received: from mailhost.synopsys.com (mdc-mailhost2.synopsys.com [10.225.0.210]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id EEFC8C0051; Thu, 29 Aug 2019 10:19:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1567073980; bh=MbJFBF3yNfMCCzFo8zZdLZFc5T6ridAamiovEWdZ+Fc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=AvcrUPSeAuGvPBdt69A5krNoudlmlgOz4ooksW/NZ/a3NNnVBn9IkPjJ6Eg0NsPBR 4tz/77BpZ7+qorfbJ4hrDEKs87Xt0ZpULSj7xIDdwEK1d2FFcwpRET6WJVnuAAOwQq QNyKzZGIofB3otP8tf0fFH0kMFsFOaLwuksnl1u6a9YAkpb5iiLRi+Njd8WPk1B9v+ 5X7DzCjCmIRkTp4mJUC6sOSZRpxSwvfbjDDpirEN3esezcmeZTwR2ZFNH/0n0frTYQ LygqC112lUcXaJRV+/6PxquX2klWmFfWvxF9udwmenLQ5GcLEEbGJpg2ZKiwsN1mD1 3Zh9ZLJvHy9vA== Received: from de02.synopsys.com (germany.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id 59ADFA0062; Thu, 29 Aug 2019 10:19:38 +0000 (UTC) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id 43C473B649; Thu, 29 Aug 2019 12:19:38 +0200 (CEST) From: Vitor Soares To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-i3c@lists.infradead.org Cc: bbrezillon@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, Joao.Pinto@synopsys.com, Vitor Soares Subject: [PATCH 3/4] dt-bindings: i3c: Make 'assigned-address' valid if static address != 0 Date: Thu, 29 Aug 2019 12:19:34 +0200 Message-Id: <9d69c83c7193e377bbc77bea7f1812fc17dafaee.1567071213.git.vitor.soares@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The I3C devices without a static address can require a specific dynamic address for priority reasons. Let's update the binding document to make the 'assigned-address' property valid if static address != 0 and add an example with this use case. Signed-off-by: Vitor Soares --- Documentation/devicetree/bindings/i3c/i3c.txt | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/i3c/i3c.txt b/Documentation/devicetree/bindings/i3c/i3c.txt index ab729a0..c851e75 100644 --- a/Documentation/devicetree/bindings/i3c/i3c.txt +++ b/Documentation/devicetree/bindings/i3c/i3c.txt @@ -98,9 +98,7 @@ Required properties Optional properties ------------------- -- assigned-address: dynamic address to be assigned to this device. This - property is only valid if the I3C device has a static - address (first cell of the reg property != 0). +- assigned-address: dynamic address to be assigned to this device. Example: @@ -129,6 +127,15 @@ Example: /* * I3C device without a static I2C address but requiring + * specific dynamic address. + */ + sensor@0,39200154004 { + reg = <0x0 0x6072 0x303904d2>; + assigned-address = <0xb>; + }; + + /* + * I3C device without a static I2C address but requiring * resources described in the DT. */ sensor@0,39200154004 {