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| -rw-r--r-- | Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt b/Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt new file mode 100644 index 000000000..07013fa60 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt @@ -0,0 +1,31 @@ +* Cirrus Logic CLPS711X Universal Asynchronous Receiver/Transmitter (UART) + +Required properties: +- compatible: Should be "cirrus,ep7209-uart". +- reg: Address and length of the register set for the device. +- interrupts: Should contain UART TX and RX interrupt. +- clocks: Should contain UART core clock number. +- syscon: Phandle to SYSCON node, which contain UART control bits. + +Optional properties: +- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD + line respectively. + +Note: Each UART port should have an alias correctly numbered +in "aliases" node. + +Example: + aliases { + serial0 = &uart1; + }; + + uart1: uart@80000480 { + compatible = "cirrus,ep7312-uart","cirrus,ep7209-uart"; + reg = <0x80000480 0x80>; + interrupts = <12 13>; + clocks = <&clks 11>; + syscon = <&syscon1>; + cts-gpios = <&sysgpio 0 GPIO_ACTIVE_LOW>; + dsr-gpios = <&sysgpio 1 GPIO_ACTIVE_LOW>; + dcd-gpios = <&sysgpio 2 GPIO_ACTIVE_LOW>; + }; |