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[PATCH v2 09/15] dt-bindings: serial: Add Milbeaut serial driver description




Add DT bindings document for Milbeaut serial driver.

Signed-off-by: Sugaya Taichi <sugaya.taichi@xxxxxxxxxxxxx>
---
 .../devicetree/bindings/serial/milbeaut-uart.txt    | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/milbeaut-uart.txt

diff --git a/Documentation/devicetree/bindings/serial/milbeaut-uart.txt b/Documentation/devicetree/bindings/serial/milbeaut-uart.txt
new file mode 100644
index 0000000..8f61c38
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/milbeaut-uart.txt
@@ -0,0 +1,21 @@
+Socionext Milbeaut UART controller
+
+Required properties:
+- compatible: should be "socionext,milbeaut-usio-uart".
+- reg: offset and length of the register set for the device.
+- interrupts: two interrupts specifier.
+- clocks: phandle to the input clock.
+- interrupt-names: should be "rx", "tx".
+
+Optional properties:
+- uart-flow-enable: flow control enable.
+
+Example:
+	usio1: usio_uart@1e700010 {
+		compatible = "socionext,milbeaut-usio-uart";
+		reg = <0x1e700010 0x10>;
+		interrupts = <0 141 0x4>, <0 149 0x4>;
+		interrupt-names = "rx", "tx";
+		clocks = <&clk 2>;
+		uart-flow-enable;
+	};
-- 
1.9.1