[PATCH v8 3/8] devicetree: mfd: Add new SKY81452 mfd binding

[gyungoh]

From: Gyungoh Yoo <jack.yoo@xxxxxxxxxxxxxxx>

Signed-off-by: Gyungoh Yoo <jack.yoo@xxxxxxxxxxxxxxx>
---
Changes v8:
Made up the example for backlight DT

Changes v7:
Nothing

Changes v6:
Nothing

Changes v5:
Changed DT for regulator : 'lout' node should be defined under 'regulator'
Removed compatible string from sky81452-regulator driver

Changes v4:
Nothing

Changes v3:
Nothing

Changes v2:
Added reg attribute for I2C slave address

 Documentation/devicetree/bindings/mfd/sky81452.txt | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt

diff --git a/Documentation/devicetree/bindings/mfd/sky81452.txt b/Documentation/devicetree/bindings/mfd/sky81452.txt
new file mode 100644
index 0000000..ab71473
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/sky81452.txt
@@ -0,0 +1,36 @@
+SKY81452 bindings
+
+Required properties:
+- compatible	: Must be "skyworks,sky81452"
+- reg		: I2C slave address
+
+Required child nodes:
+- backlight	: container node for backlight following the binding
+		in video/backlight/sky81452-backlight.txt
+- regulator	: container node for regulators following the binding
+		in regulator/sky81452-regulator.txt
+
+Example:
+
+	sky81452@2c {
+		compatible = "skyworks,sky81452";
+		reg = <0x2c>;
+
+		backlight {
+			compatible = "skyworks,sky81452-backlight";
+			name = "pwm-backlight";
+			skyworks,en-channels = <0x3f>;
+			skyworks,ignore-pwm;
+			skyworks,phase-shift;
+			skyworks,ovp-level = <20>;
+			skyworks,current-limit = <2300>;
+		};
+
+		regulator {
+			lout {
+				regulator-name = "sky81452-lout";
+				regulator-min-microvolt = <4500000>;
+				regulator-max-microvolt = <8000000>;
+			};
+		};
+	};
-- 
1.9.1

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