linux-kernel - [PATCH 1/2] dt-bindings: power: reset: gpio-poweroff: Add 'timeout' property

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Message-Id: <20180215204926.23347-1-moritz.fischer@ettus.com>
Date:   Thu, 15 Feb 2018 12:49:25 -0800
From:   Moritz Fischer <moritz.fischer@...us.com>
To:     linux-kernel@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linux-pm@...r.kernel.org,
        mark.rutland@....com, robh+dt@...nel.org, sre@...nel.org,
        Moritz Fischer <mdf@...nel.org>
Subject: [PATCH 1/2] dt-bindings: power: reset: gpio-poweroff: Add 'timeout' property

From: Moritz Fischer <mdf@...nel.org>

Add 'timeout' property to support boards where the 3s timeout that the
current driver defaults to is too short.

Signed-off-by: Moritz Fischer <mdf@...nel.org>
---
 Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt b/Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt
index e62d53d844cc..c2459c7d45d5 100644
--- a/Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt
+++ b/Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt
@@ -27,6 +27,8 @@ Optional properties:
   it to an output when the power-off handler is called. If this optional
   property is not specified, the GPIO is initialized as an output in its
   inactive state.
+- timeout: Time to wait before asserting a WARN_ON(1). If nothing is
+           specified, 3000 ms is used.
 
 Examples:
 
@@ -34,3 +36,9 @@ gpio-poweroff {
 	compatible = "gpio-poweroff";
 	gpios = <&gpio 4 0>;
 };
+
+gpio-poweroff {
+	compatible = "gpio-poweroff";
+	gpios = <&gpio 4 0>;
+	timeout = <3000>;
+};
-- 
2.16.1