[RFC PATCH 04/11] omap4: SDP: Pass regulator_init_data from DT

[Rajendra Nayak <rnayak@xxxxxx>]

Pass regulator_init_data information for omap4sdp from device tree so the
regulator driver can then use the regulator helper
routine to extract and use them during the driver probe().

Add documentation for TWL regulator specific bindings.

Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
---
 .../bindings/regulator/twl-regulator.txt           |   18 ++++++++++++++++++
 arch/arm/boot/dts/omap4-sdp.dts                    |   16 ++++++++++++++++
 2 files changed, 34 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/regulator/twl-regulator.txt

diff --git a/Documentation/devicetree/bindings/regulator/twl-regulator.txt b/Documentation/devicetree/bindings/regulator/twl-regulator.txt
new file mode 100644
index 0000000..59df44b
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/twl-regulator.txt
@@ -0,0 +1,18 @@
+TWL family of regulators
+
+Required properties:
+- compatible: Must be "regulator","ti,twl-reg";
+
+Optional properties:
+- Any optional property defined in bindings/regulator/regulator.txt
+- ti,reg-id: Identifier for a TWL regulator, defined in linux/i2c/twl.h file.
+
+Example:
+
+	xyz-regulator: regulator@0 {
+		compatible = "regulator","ti,twl-reg";
+		ti,reg-id = <37>; /* TWL6030_REG_VAUX1_6030 */
+		min-uV  = <1000000>;
+		max-uV  = <3000000>;
+		apply-uV;
+	};
diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
index 14faf92..2a613e2 100644
--- a/arch/arm/boot/dts/omap4-sdp.dts
+++ b/arch/arm/boot/dts/omap4-sdp.dts
@@ -52,6 +52,22 @@
 			interrupts = <11>;
 			reg = <0>;
 		};
+
+		vaux1-regulator: regulator@0 {
+			compatible = "regulator","ti,twl-reg";
+			ti,reg-id = <37>;  /* TWL6030_REG_VAUX1_6030 */
+			min-uV = <1000000>;
+			max-uV = <3000000>;
+			apply-uV;
+		};
+
+		vusim-regulator: regulator@1 {
+			compatible = "regulator","ti,twl-reg";
+			ti,reg-id = <42>; /* TWL6030_REG_VUSIM */
+			min-uV = <1200000>;
+			max-uV = <2900000>;
+			apply_uV;
+		};
 	};
 };
 
-- 
1.7.1


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