Add binding documentation for the Cadence UART.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
.../devicetree/bindings/serial/cdns,uart.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 Documentation/devicetree/bindings/serial/cdns,uart.txt
diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.txt b/Documentation/devicetree/bindings/serial/cdns,uart.txt
new file mode 100644
index 000000000000..a3eb154c32ca
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/cdns,uart.txt
@@ -0,0 +1,20 @@
+Binding for Cadence UART Controller
+
+Required properties:
+- compatible : should be "cdns,uart-r1p8", or "xlnx,xuartps"
+- reg: Should contain UART controller registers location and length.
+- interrupts: Should contain UART controller interrupts.
+- clocks: Must contain phandles to the UART clocks
+ See ../clocks/clock-bindings.txt for details.
+- clock-names: Tuple to identify input clocks, must contain "uart_clk" and "pclk"
+ See ../clocks/clock-bindings.txt for details.
+
+
+Example:
+ uart@e0000000 {
+ compatible = "cdns,uart-r1p8";
+ clocks = <&clkc 23>, <&clkc 40>;
+ clock-names = "uart_clk", "pclk";
+ reg = <0xE0000000 0x1000>;
+ interrupts = <0 27 4>;
+ };
--
1.9.0.1.g4196000
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