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: 11120841 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1BB6A18EC for ; Thu, 29 Aug 2019 10:20:16 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EC6CB23403 for ; Thu, 29 Aug 2019 10:20:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hMB1dUGE"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="AvcrUPSe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EC6CB23403 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-i3c-bounces+linux-i3c=patchwork.kernel.org@lists.infradead.org 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=2CHEM5qDph5eczadKEUy4CtM2q9SYojNyNTHWZuV5Ro=; b=hMB1dUGEFXMFkyjhgkSXnIIeyF vfgWuiBsIBhuSd/lsksNgOCjD2FXd7ZmATEcVNhQlAHvpjFmUgko97ff9RvP+upJ31kdAJmXq0BUf bJvi+VDJR5lX8ZrLi71I+UJi1RW3NDPe48abJY4XgxphGNtOmhDuelpSWhApyWSimszimCqvdqjOV HfChwZoGIAwf7aQbWanAglSEb2XqFfFaBxaoU8V6NKt0T4FIWsEK66DcqLD5ccvroSUWwqWlWp71t jIfqOygQXtr1tyF9eiAC4a/5sBM0iZ7O3z1UeB2t3ogNrQGjf1bHNb9VSbu6wuYUsuei/So8EbuWe dlO046Vw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i3HXJ-0006c8-Gm; Thu, 29 Aug 2019 10:20:13 +0000 Received: from dc2-smtprelay2.synopsys.com ([198.182.61.142] helo=smtprelay-out1.synopsys.com) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i3HWq-00054a-2C for linux-i3c@lists.infradead.org; Thu, 29 Aug 2019 10:19:45 +0000 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 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: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190829_031944_294758_D102CADB X-CRM114-Status: GOOD ( 11.43 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux I3C List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, Joao.Pinto@synopsys.com, robh+dt@kernel.org, Vitor Soares , bbrezillon@kernel.org MIME-Version: 1.0 Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=patchwork.kernel.org@lists.infradead.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 {