Re: [RFC PATCH 03/10] dt-bindings: document the MPS2 UART bindings

Rob Herring
2015-11-25T20:07:29Z

On Wed, Nov 25, 2015 at 10:33:34AM +0000, Vladimir Murzin wrote:
> This adds documentation of device tree bindings for the
> UART found on ARM MPS2 platform
>
> Signed-off-by: Vladimir Murzin <vladimir.murzin-5wv7dgnIgG8@public.gmane.org>

Why did ARM invent a new UART?

Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org

> ---
> .../devicetree/bindings/serial/arm,mps2-uart.txt | 22 ++++++++++++++++++++
> 1 file changed, 22 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/serial/arm,mps2-uart.txt
>
> diff --git a/Documentation/devicetree/bindings/serial/arm,mps2-uart.txt b/Documentation/devicetree/bindings/serial/arm,mps2-uart.txt
> new file mode 100644
> index 0000000..b3f7cb1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/arm,mps2-uart.txt
> @@ -0,0 +1,22 @@
> +ARM MPS2 UART
> +
> +Required properties:
> +- compatible : Should be "arm,mps2-uart"
> +- reg : Address and length of the register set
> +- interrupts : Reference to the UART RX, TX and overrun interrupts
> +
> +Required clocking property:
> +- clocks : The input clock of the UART
> +
> +
> +Examples:
> +
> +uart0: serial@40004000 {
> + compatible = "arm,mps2-uart";
> + reg = <0x40004000 0x1000>;
> + interrupts = <0 1 12>;
> + clocks = <&sysclk>;
> +};
> +
> +
> +
> --
> 1.7.9.5
>