From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2057BC43387 for ; Tue, 8 Jan 2019 16:25:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EDA962087F for ; Tue, 8 Jan 2019 16:25:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729517AbfAHQZU (ORCPT ); Tue, 8 Jan 2019 11:25:20 -0500 Received: from mail.bootlin.com ([62.4.15.54]:44906 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729344AbfAHQYv (ORCPT ); Tue, 8 Jan 2019 11:24:51 -0500 Received: by mail.bootlin.com (Postfix, from userid 110) id 042A320A2F; Tue, 8 Jan 2019 17:24:49 +0100 (CET) Received: from localhost.localdomain (aaubervilliers-681-1-45-241.w90-88.abo.wanadoo.fr [90.88.163.241]) by mail.bootlin.com (Postfix) with ESMTPSA id 9AA20209C2; Tue, 8 Jan 2019 17:24:48 +0100 (CET) From: Miquel Raynal To: Gregory Clement , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Thomas Petazzoni , Bjorn Helgaas Cc: , Rob Herring , Mark Rutland , Lorenzo Pieralisi , linux-pci@vger.kernel.org, , , Antoine Tenart , Maxime Chevallier , Nadav Haklai , Miquel Raynal Subject: [PATCH v3 11/15] dt-bindings: PCI: aardvark: Describe the reset-gpios property Date: Tue, 8 Jan 2019 17:24:36 +0100 Message-Id: <20190108162441.5278-12-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190108162441.5278-1-miquel.raynal@bootlin.com> References: <20190108162441.5278-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/aardvark-pci.txt b/Documentation/devicetree/bindings/pci/aardvark-pci.txt index 8b7f048705ec..b47d6d608ae1 100644 --- a/Documentation/devicetree/bindings/pci/aardvark-pci.txt +++ b/Documentation/devicetree/bindings/pci/aardvark-pci.txt @@ -27,6 +27,8 @@ The following are optional properties: - pinctrl-names: must be "default". - pinctrl-0: pin control group to be used to mux the PCIe endpoint card reset line so that it will be automatically driven by the PCIe IP. + - reset-gpios: GPIO to reset the device (alternative to the above + entries that represent a pin controlled by the PCI IP itself). In addition, the Device Tree describing an Aardvark PCIe controller must include a sub-node that describes the legacy interrupt controller -- 2.19.1