linux-kernel - rtc: bq32000: add trickle charger device tree binding

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Date:	Thu, 11 Sep 2014 12:40:45 +0200
From:	Pavel Machek <pavel@....cz>
To:	kernel list <linux-kernel@...r.kernel.org>,
	matti.vaittinen@....com, robh+dt@...nel.org,
	akpm@...ux-foundation.org, ijc+devicetree@...lion.org.uk,
	a.zummo@...ertech.it, linux@...ck-us.net
Cc:	jason@...edaemon.net
Subject: rtc: bq32000: add trickle charger device tree binding

BQ32000 have "trickle chargers".  Introduce a device tree
binding for specifying the trickle charger configuration for that.

Signed-off-by: Pavel Machek <pavel@...x.de>

diff --git a/Documentation/devicetree/bindings/i2c/ti,bq32k.txt b/Documentation/devicetree/bindings/i2c/ti,bq32k.txt
new file mode 100644
index 0000000..e204906
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/ti,bq32k.txt
@@ -0,0 +1,18 @@
+* TI BQ32000                I2C Serial Real-Time Clock
+
+Required properties:
+- compatible: Should contain "ti,bq32000".
+- reg: I2C address for chip
+
+Optional properties:
+- trickle-resistor-ohms : Selected resistor for trickle charger
+       Values usable are 1120 and 20180
+       Should be given if trickle charger should be enabled
+- trickle-diode-disable : Do not use internal trickle charger diode
+       Should be given if internal trickle charger diode should be disabled
+Example:
+       bq32000: rtc@68 {
+               compatible = "ti,bq32000";
+               trickle-resistor-ohms = <1120>;
+               reg = <0x68>;
+       };

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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