* Matt Porter <mporter@xxxxxxxxxxxx> [150306 07:16]:
> 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>
Applying the original version as they seem to be the same.
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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