[PATCH v4 1/3] dt-bindings: add binding for the SY8106A voltage regulator

[Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>]

From: Ondrej Jirman <megous-5qf/QAjKc83QT0dZR+AlfA@public.gmane.org>

SY8106A is an I2C-controlled adjustable voltage regulator made by
Silergy Corp.

Add its device tree binding.

Signed-off-by: Ondrej Jirman <megous-5qf/QAjKc83QT0dZR+AlfA@public.gmane.org>
[Icenowy: Change commit message and slight fixes]
Signed-off-by: Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>
Reviewed-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
No changes in v4.

Changes in v3:
- Added silergy,fixed-microvolt property.

Changes in v2:
- Added Chen-Yu's Reviewed tag and Rob's ACK tag.
- Specify regulator.txt's directory.

 .../bindings/regulator/sy8106a-regulator.txt  | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt

diff --git a/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt b/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt
new file mode 100644
index 000000000000..39a8ca73f572
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt
@@ -0,0 +1,23 @@
+SY8106A Voltage regulator
+
+Required properties:
+- compatible: Must be "silergy,sy8106a"
+- reg: I2C slave address - must be <0x65>
+- silergy,fixed-microvolt - the voltage when I2C regulating is disabled (set
+  by external resistor like a fixed voltage)
+
+Any property defined as part of the core regulator binding, defined in
+./regulator.txt, can also be used.
+
+Example:
+
+	sy8106a {
+		compatible = "silergy,sy8106a";
+		reg = <0x65>;
+		regulator-name = "sy8106a-vdd";
+		silergy,fixed-microvolt = <1200000>;
+		regulator-min-microvolt = <1000000>;
+		regulator-max-microvolt = <1400000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
-- 
2.17.0