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Diffstat (limited to 'dts/Bindings/serial/fsl-lpuart.txt')
-rw-r--r-- | dts/Bindings/serial/fsl-lpuart.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/dts/Bindings/serial/fsl-lpuart.txt b/dts/Bindings/serial/fsl-lpuart.txt new file mode 100644 index 0000000000..a1d1205d81 --- /dev/null +++ b/dts/Bindings/serial/fsl-lpuart.txt @@ -0,0 +1,27 @@ +* Freescale low power universal asynchronous receiver/transmitter (lpuart) + +Required properties: +- compatible : Should be "fsl,<soc>-lpuart" +- reg : Address and length of the register set for the device +- interrupts : Should contain uart interrupt +- clocks : phandle + clock specifier pairs, one for each entry in clock-names +- clock-names : should contain: "ipg" - the uart clock + +Optional properties: +- dmas: A list of two dma specifiers, one for each entry in dma-names. +- dma-names: should contain "tx" and "rx". + +Note: Optional properties for DMA support. Write them both or both not. + +Example: + +uart0: serial@40027000 { + compatible = "fsl,vf610-lpuart"; + reg = <0x40027000 0x1000>; + interrupts = <0 61 0x00>; + clocks = <&clks VF610_CLK_UART0>; + clock-names = "ipg"; + dmas = <&edma0 0 2>, + <&edma0 0 3>; + dma-names = "rx","tx"; + }; |