From patchwork Wed Dec 12 10:21:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10726043 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C9B5F174F for ; Wed, 12 Dec 2018 10:24:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B56682A51A for ; Wed, 12 Dec 2018 10:24:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A5E932A56E; Wed, 12 Dec 2018 10:24:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3D1E02A51A for ; Wed, 12 Dec 2018 10:24:51 +0000 (UTC) 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=Xyl4fbyZaunyIvgEEDfDMyTdDW2YY+iCup//YENm0uM=; b=cVztXrnR7UlWwV L1tcuYtDSorgCIDcKzk1zk5bR++NMa7f76C2GvlCN0gd0QMAhOidBHV9UUnumSYCA9Tr5u3HnXw0i nm9gMVgZS95FozQV0xlGGEvXl4BdTCNyf105hKGx//rpxZBNWfqMBUXis9CqBRHbEABKXW86deC+b O6DLbpTX5p+++GF5trvxfy6mgP8IkjIBIdkPV3t7LKVGxRiuyoaI3Z6uXKTNIauX4T3eOQx1QN2ee Gad1sJfd1nhN21JxqZcZHc8xBvrzBgVwbIGEWV5PBT15fNnYlc17txnP0NNLqa/Jz7RraE9bU3Elk ETlLxa55yCYOUfXn9rlQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gX1hA-0002M5-SQ; Wed, 12 Dec 2018 10:24:48 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gX1ej-00088e-67 for linux-arm-kernel@lists.infradead.org; Wed, 12 Dec 2018 10:22:30 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id C58E8208E3; Wed, 12 Dec 2018 11:22:04 +0100 (CET) Received: from localhost.localdomain (aaubervilliers-681-1-89-7.w90-88.abo.wanadoo.fr [90.88.30.7]) by mail.bootlin.com (Postfix) with ESMTPSA id 10F2920C4D; Wed, 12 Dec 2018 11:21:46 +0100 (CET) From: Miquel Raynal To: Gregory Clement , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Thomas Petazzoni , Bjorn Helgaas Subject: [PATCH v2 06/12] dt-bindings: PCI: aardvark: Describe the reset-gpios property Date: Wed, 12 Dec 2018 11:21:36 +0100 Message-Id: <20181212102142.16053-7-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181212102142.16053-1-miquel.raynal@bootlin.com> References: <20181212102142.16053-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181212_022217_956787_56A4CA9F X-CRM114-Status: GOOD ( 11.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Lorenzo Pieralisi , Antoine Tenart , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Maxime Chevallier , Nadav Haklai , Rob Herring , Miquel Raynal , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP A GPIO might be used to reset the PCI IP. Describe the property needed in this case. Signed-off-by: Miquel Raynal Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/pci/aardvark-pci.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/aardvark-pci.txt b/Documentation/devicetree/bindings/pci/aardvark-pci.txt index 310ef7145c47..252934237138 100644 --- a/Documentation/devicetree/bindings/pci/aardvark-pci.txt +++ b/Documentation/devicetree/bindings/pci/aardvark-pci.txt @@ -20,6 +20,10 @@ contain the following properties: define the mapping of the PCIe interface to interrupt numbers. - bus-range: PCI bus numbers covered +The following are optional properties: + + - reset-gpios: GPIO to reset the device + In addition, the Device Tree describing an Aardvark PCIe controller must include a sub-node that describes the legacy interrupt controller built into the PCIe controller. This sub-node must have the following @@ -48,6 +52,7 @@ Example: <0 0 0 2 &pcie_intc 1>, <0 0 0 3 &pcie_intc 2>, <0 0 0 4 &pcie_intc 3>; + reset-gpios = <&gpiosb 3 GPIO_ACTIVE_HIGH>; pcie_intc: interrupt-controller { interrupt-controller; #interrupt-cells = <1>;