linux-kernel - [RFC v4 2/2] backlight: device tree: add new tps611xx backlight binding

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Message-Id: <1404367277-12003-3-git-send-email-gshark.jeong@gmail.com>
Date:	Thu,  3 Jul 2014 15:01:17 +0900
From:	Daniel Jeong <gshark.jeong@...il.com>
To:	Jingoo Han <jg1.han@...sung.com>, Bryan Wu <cooloney@...il.com>,
	Lee Jones <lee.jones@...aro.org>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Randy Dunlap <rdunlap@...radead.org>
Cc:	Daniel Jeong <daniel.jeong@...com>, <linux-kernel@...r.kernel.org>,
	<linux-fbdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, Daniel Jeong <gshark.jeong@...il.com>
Subject: [RFC v4 2/2] backlight: device tree: add new tps611xx backlight binding

This commit is about tps611xx device tree documentation.

Signed-off-by: Daniel Jeong <gshark.jeong@...il.com>
---
 .../video/backlight/tps611xx-backlight.txt         |   24 ++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/backlight/tps611xx-backlight.txt

diff --git a/Documentation/devicetree/bindings/video/backlight/tps611xx-backlight.txt b/Documentation/devicetree/bindings/video/backlight/tps611xx-backlight.txt
new file mode 100644
index 0000000..7af8182
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/backlight/tps611xx-backlight.txt
@@ -0,0 +1,24 @@
+TPS611xx family of backlight driver based on EasyScale.
+
+EasyScale is a simple but flexible one pin interface to configure the current.
+
+Required properties:
+- compatible: should contain at least one of
+  "ti,tps61158_bl"
+  "ti,tps61161_bl"
+  "ti,tps61163_bl"
+  "ti,tps61165_bl"
+- rfa-enable: enable request for acknowledge.
+  If RFA is enabled, the data byte includes the RFA bit and device will wait
+  and check acknowledge from device.
+- es-gpio : GPIO for easy-scale communication.(see GPIO binding[0])
+
+[0]: Documentation/devicetree/bindings/gpio/gpio.txt
+
+Example:
+
+	backlight {
+		compatible = "ti,tps61163";
+		rfa-enable;
+		es-gpio = <&gpio 45 0>;
+	};
-- 
1.7.9.5

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