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serial: fsl_lpuart: documented the clock requirement. 

This is a correction to the documentation. It was previously required but not documented.

Signed-off-by: Yuan Yao <yao.yuan@freescale.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yuan Yao 2014-02-17 13:28:08 +08:00 committed by Greg Kroah-Hartman
parent f1cd8c8792
commit 12f287878a
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/serial/fsl-lpuart.txt
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@ -4,6 +4,8 @@ Required properties:
- compatible : Should be "fsl,<soc>-lpuart" - compatible : Should be "fsl,<soc>-lpuart"
- reg : Address and length of the register set for the device - reg : Address and length of the register set for the device
- interrupts : Should contain uart interrupt - 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: Optional properties:
- dmas: A list of two dma specifiers, one for each entry in dma-names. - dmas: A list of two dma specifiers, one for each entry in dma-names.
@ -17,6 +19,8 @@ uart0: serial@40027000 {
compatible = "fsl,vf610-lpuart"; compatible = "fsl,vf610-lpuart";
reg = <0x40027000 0x1000>; reg = <0x40027000 0x1000>;
interrupts = <0 61 0x00>; interrupts = <0 61 0x00>;
clocks = <&clks VF610_CLK_UART0>;
clock-names = "ipg";
dmas = <&edma0 0 2>, dmas = <&edma0 0 2>,
<&edma0 0 3>; <&edma0 0 3>;
dma-names = "rx","tx"; dma-names = "rx","tx";