linux-kernel - [PATCH 1/2] DT: add binding for mxs regulator

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Message-Id: <1411779588-22031-2-git-send-email-stefan.wahren@i2se.com>
Date:	Sat, 27 Sep 2014 00:59:47 +0000
From:	Stefan Wahren <stefan.wahren@...e.com>
To:	lgirdwood@...il.com, broonie@...nel.org, shawn.guo@...aro.org,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org
Cc:	festevam@...il.com, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, kernel@...gutronix.de,
	Stefan Wahren <stefan.wahren@...e.com>
Subject: [PATCH 1/2] DT: add binding for mxs regulator

This patch adds the Device tree bindings for the Freescale MXS
on-chip regulators.

Signed-off-by: Stefan Wahren <stefan.wahren@...e.com>
---
 .../bindings/regulator/mxs-regulator.txt           |   36 ++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/mxs-regulator.txt

diff --git a/Documentation/devicetree/bindings/regulator/mxs-regulator.txt b/Documentation/devicetree/bindings/regulator/mxs-regulator.txt
new file mode 100644
index 0000000..e3133a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/mxs-regulator.txt
@@ -0,0 +1,36 @@
+MXS regulators
+
+Required node properties:
+- compatible: Should be "simple-bus"
+- #address-cells: Number of cells required to define regulator register,
+  must be 1
+- #size-cells: Number of cells required to define register size, must be 1
+- reg: Absolute physical address and size of the register set for the device
+
+Required regulator properties:
+- compatible: Must be "fsl,mxs-regulator"
+- reg: Absolute physical address of the register set for the regulator
+
+Any regulator property defined as part of the core regulator
+binding, defined in regulator.txt, can also be used.
+
+Example:
+
+	power: power@...44000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x80044000 0x2000>;
+		ranges;
+
+		reg_vddd: regulator@...44040 {
+			reg = <0x80044040 0x10>;
+			compatible = "fsl,mxs-regulator";
+			regulator-name = "vddd";
+			regulator-min-microvolt = <800000>;
+			regulator-max-microvolt = <1575000>;
+			regulator-boot-on;
+			vddd-supply = <&reg_vdda>;
+		};
+	};
+
-- 
1.7.9.5

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