linux-kernel - [PATCH 4/4] mfd: rn5t618: document device tree bindings

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Message-Id: <1409091237-16722-5-git-send-email-b.galvani@gmail.com>
Date:	Wed, 27 Aug 2014 00:13:57 +0200
From:	Beniamino Galvani <b.galvani@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Lee Jones <lee.jones@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Wim Van Sebroeck <wim@...ana.be>,
	linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	Carlo Caione <carlo@...one.org>,
	Beniamino Galvani <b.galvani@...il.com>
Subject: [PATCH 4/4] mfd: rn5t618: document device tree bindings

This adds the device tree bindings documentation for Ricoh RN5T618.

Signed-off-by: Beniamino Galvani <b.galvani@...il.com>
---
 Documentation/devicetree/bindings/mfd/rn5t618.txt |   36 +++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/rn5t618.txt

diff --git a/Documentation/devicetree/bindings/mfd/rn5t618.txt b/Documentation/devicetree/bindings/mfd/rn5t618.txt
new file mode 100644
index 0000000..937785a
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/rn5t618.txt
@@ -0,0 +1,36 @@
+* Ricoh RN5T618 PMIC
+
+Ricoh RN5T618 is a power management IC which integrates 3 step-down
+DCDC converters, 7 low-dropout regulators, a Li-ion battery charger,
+fuel gauge, ADC, GPIOs and a watchdog timer. It can be controlled
+through a I2C interface.
+
+Required properties:
+ - compatible: should be "ricoh,rn5t618"
+ - reg: the I2C slave address of the device
+
+Sub-nodes:
+ - regulators: the node is required if the regulator functionality is
+   needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, LDO1,
+   LDO2, LDO3, LDO4, LDO5, LDORTC1 and LDORTC2.
+   The common bindings for each individual regulator can be found in:
+   Documentation/devicetree/bindings/regulator/regulator.txt
+
+Example:
+
+	pmic@32 {
+		compatible = "ricoh,rn5t618";
+		reg = <0x32>;
+
+		regulators {
+			DCDC1 {
+				regulator-min-microvolt = <1050000>;
+				regulator-max-microvolt = <1050000>;
+			};
+
+			DCDC2 {
+				regulator-min-microvolt = <1175000>;
+				regulator-max-microvolt = <1175000>;
+			};
+		};
+	};
-- 
1.7.10.4

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