linux-kernel - [PATCH 06/12] dt-bindings: PCI: aardvark: describe the reset-gpios property

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20181123141831.8214-7-miquel.raynal@bootlin.com>
Date:   Fri, 23 Nov 2018 15:18:25 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Gregory Clement <gregory.clement@...tlin.com>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     <devicetree@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        linux-pci@...r.kernel.org, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Nadav Haklai <nadavh@...vell.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: [PATCH 06/12] dt-bindings: PCI: aardvark: describe the reset-gpios property

A GPIO might be used to reset the PCI IP. Describe the property needed
in this case.

Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
---
 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>;
-- 
2.19.1