Re: [PATCH] Documentation: DT: omap_serial: document missing properties and add an example

[Tony Lindgren]

* Matt Porter <mporter@xxxxxxxxxxxx> [150226 07:42]:
> The omap_serial.txt binding documentation lacks a number of properties
> that are used in DTS files for platforms incorporating this peripheral.
> Fix this by documenting the missing required and optional fields and
> add an example.
> 
> Signed-off-by: Matt Porter <mporter@xxxxxxxxxxxx>

I'll apply this into omap-for-v4.1/dt thanks.

Regards,

Tony

> ---
>  .../devicetree/bindings/serial/omap_serial.txt       | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt
> index 342eedd..54c2a15 100644
> --- a/Documentation/devicetree/bindings/serial/omap_serial.txt
> +++ b/Documentation/devicetree/bindings/serial/omap_serial.txt
> @@ -4,7 +4,27 @@ Required properties:
>  - compatible : should be "ti,omap2-uart" for OMAP2 controllers
>  - compatible : should be "ti,omap3-uart" for OMAP3 controllers
>  - compatible : should be "ti,omap4-uart" for OMAP4 controllers
> +- reg : address and length of the register space
> +- interrupts or interrupts-extended : Should contain the uart interrupt
> +                                      specifier or both the interrupt
> +                                      controller phandle and interrupt
> +                                      specifier.
>  - ti,hwmods : Must be "uart<n>", n being the instance number (1-based)
>  
>  Optional properties:
>  - clock-frequency : frequency of the clock input to the UART
> +- dmas : DMA specifier, consisting of a phandle to the DMA controller
> +         node and a DMA channel number.
> +- dma-names : "rx" for receive channel, "tx" for transmit channel.
> +
> +Example:
> +
> +                uart4: serial@49042000 {
> +                        compatible = "ti,omap3-uart";
> +                        reg = <0x49042000 0x400>;
> +                        interrupts = <80>;
> +                        dmas = <&sdma 81 &sdma 82>;
> +                        dma-names = "tx", "rx";
> +                        ti,hwmods = "uart4";
> +                        clock-frequency = <48000000>;
> +                };
> -- 
> 1.8.4
> 
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