summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/w1
diff options
context:
space:
mode:
authorDaniel Mack <zonque@gmail.com>2012-07-23 16:36:35 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-16 10:00:23 -0700
commit5f3d1382e3ca39a54032784414f0ad4e7078b37e (patch)
tree7d1efb0ca10940719547e04d2f82074568e0da51 /Documentation/devicetree/bindings/w1
parent73f2989d37a36614fe13f24891ebe1e44fe5887d (diff)
downloadtalos-op-linux-5f3d1382e3ca39a54032784414f0ad4e7078b37e.tar.gz
talos-op-linux-5f3d1382e3ca39a54032784414f0ad4e7078b37e.zip
onewire: w1-gpio: add DT bindings
This patch add DT bindings to the w1-gpio driver, along with some documentation on how to use them. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Acked-by: Ville Syrjälä <syrjala@sci.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/w1')
-rw-r--r--Documentation/devicetree/bindings/w1/w1-gpio.txt22
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/w1/w1-gpio.txt b/Documentation/devicetree/bindings/w1/w1-gpio.txt
new file mode 100644
index 000000000000..6e09c35d9f1a
--- /dev/null
+++ b/Documentation/devicetree/bindings/w1/w1-gpio.txt
@@ -0,0 +1,22 @@
+w1-gpio devicetree bindings
+
+Required properties:
+
+ - compatible: "w1-gpio"
+ - gpios: one or two GPIO specs:
+ - the first one is used as data I/O pin
+ - the second one is optional. If specified, it is used as
+ enable pin for an external pin pullup.
+
+Optional properties:
+
+ - linux,open-drain: if specified, the data pin is considered in
+ open-drain mode.
+
+Examples:
+
+ onewire@0 {
+ compatible = "w1-gpio";
+ gpios = <&gpio 126 0>, <&gpio 105 0>;
+ };
+
OpenPOWER on IntegriCloud