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Tue, 3 Sep 2019 10:35:56 +0000 (UTC) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id C301E3C0DA; Tue, 3 Sep 2019 12:35:56 +0200 (CEST) From: Vitor Soares To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-i3c@lists.infradead.org Subject: [PATCH v2 3/5] dt-bindings: i3c: Make 'assigned-address' valid if static address == 0 Date: Tue, 3 Sep 2019 12:35:52 +0200 Message-Id: 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-20190903_033601_427522_8845B6CC X-CRM114-Status: GOOD ( 11.73 ) 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 Message has at least one valid DKIM or DK signature -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_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, bbrezillon@kernel.org, Vitor Soares , pgaj@cadence.com, robh+dt@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 Reviewed-by: Rob Herring --- 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 {