diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/fsl-lpuart.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/fsl-lpuart.txt | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt index 6fd1dd1638dd..a1d1205d8185 100644 --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt @@ -4,11 +4,24 @@ 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>; - }; + 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"; + }; |