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| -rw-r--r-- | Documentation/devicetree/bindings/serial/cdns,uart.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.txt b/Documentation/devicetree/bindings/serial/cdns,uart.txt new file mode 100644 index 000000000..4efc560f9 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/cdns,uart.txt @@ -0,0 +1,27 @@ +Binding for Cadence UART Controller + +Required properties: +- compatible : + Use "xlnx,xuartps","cdns,uart-r1p8" for Zynq-7xxx SoC. + Use "xlnx,zynqmp-uart","cdns,uart-r1p12" for Zynq Ultrascale+ MPSoC. +- 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. + + +Optional properties: +- cts-override : Override the CTS modem status signal. This signal will + always be reported as active instead of being obtained from the modem status + register. Define this if your serial port does not use this pin + +Example: + uart@e0000000 { + compatible = "cdns,uart-r1p8"; + clocks = <&clkc 23>, <&clkc 40>; + clock-names = "uart_clk", "pclk"; + reg = <0xE0000000 0x1000>; + interrupts = <0 27 4>; + }; |