linux-kernel - [PATCH v4 1/4] hwmon: ltc2978: device tree bindings documentation

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Message-ID: <1412190349-16343-2-git-send-email-atull@opensource.altera.com>
Date:	Wed, 1 Oct 2014 14:05:47 -0500
From:	<atull@...nsource.altera.com>
To:	<linux@...ck-us.net>, <jdelvare@...e.de>
CC:	<lm-sensors@...sensors.org>, <lgirdwood@...il.com>,
	<broonie@...nel.org>, <robh+dt@...nel.org>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <delicious.quinoa@...il.com>,
	<dinguyen@...nsource.altera.com>, <yvanderv@...nsource.altera.com>,
	Alan Tull <atull@...nsource.altera.com>
Subject: [PATCH v4 1/4] hwmon: ltc2978: device tree bindings documentation

From: Alan Tull <atull@...nsource.altera.com>

Add device tree bindings documentation for ltc2978.

Signed-off-by: Alan Tull <atull@...nsource.altera.com>
---
 .../devicetree/bindings/hwmon/ltc2978.txt          |   42 ++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/ltc2978.txt

diff --git a/Documentation/devicetree/bindings/hwmon/ltc2978.txt b/Documentation/devicetree/bindings/hwmon/ltc2978.txt
new file mode 100644
index 0000000..60fadc2
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/ltc2978.txt
@@ -0,0 +1,42 @@
+ltc2978
+
+Required properties:
+ - compatible: one of: ltc2974, ltc2977, ltc2978, ltc3880, ltc3883, ltm4676
+ - reg: I2C address
+
+Optional properties:
+ Name of the optional regulator subnode must be "regulators".
+  - #address-cells must be 1.
+  - #size-cells must be 0.
+
+ For each regulator:
+  - reg: regulator number
+  - regulator-compatible: must be vout_en<regulator number> such as vout_en3
+    valid range is:
+      ltc2977, ltc2978 : vout_en0 - vout_en7
+      ltc2974          : vout_en0 - vout_en3
+      ltc3880, ltm4676 : vout_en0 - vout_en1
+      ltc3883          : vout_en0 only
+  - regulator-name: arbitrary name for regulator
+
+Example:
+ltc2978@5e {
+	compatible = "ltc2978";
+	reg = <0x5e>;
+	regulators {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vdacp0_reg: regulator@0 {
+			reg = <0>;
+			regulator-compatible = "vout_en0";
+			regulator-name = "FPGA-2.5V";
+		};
+		vdacp2_reg: regulator@2 {
+			reg = <2>;
+			regulator-compatible = "vout_en2";
+			regulator-name = "FPGA-1.5V";
+		};
+	};
+};
+
-- 
1.7.9.5

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