On Thu, Jun 23, 2011 at 8:08 AM, Jamie Iles <jamie@xxxxxxxxxxxxx> wrote:
> The of_serial bindings can be used to register a number of serial
> devices. Document this binding with all of the others.
>
> Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Jamie Iles <jamie@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/tty/serial/of-serial.txt | 34 ++++++++++++++++++++
> 1 files changed, 34 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/tty/serial/of-serial.txt
>
> diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
> new file mode 100644
> index 0000000..b0c52c2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
> @@ -0,0 +1,34 @@
> +* UART (Universal Asynchronous Receiver/Transmitter)
> +
> +Required properties:
> +- compatible : one of:
> + - "ns8250"
> + - "ns16450"
> + - "ns16550a"
> + - "ns16550"
> + - "ns16750"
> + - "ns16850"
> + - "nvidia,tegra250-uart"
> + - "ibm,qpace-nwp-serial"
> + - "serial" if the port type is unknown.
> +- reg : offset and length of the register set for the device.
> +- interrupts : should contain uart interrupt.
> +- clock-frequency : the input clock frequency for the UART.
> +
> +Optional properties:
> +- current-speed : the current active speed of the UART.
> +- reg-offset : offset to apply to the mapbase from the start of the registers.
> +- reg-shift : quantity to shift the register offsets by.
> +- used-by-rtas : set to indicate that the port is in use by the firmware and
> + should not be registered.
> +
> +Example:
> +
> + uart@80230000 {
> + compatible = "ns8250";
> + device-type = "serial";
Drop device-type. Otherwise looks good.
g.
> + reg = <0x80230000 0x100>;
> + clock-frequency = <3686400>;
> + interrupts = <10>;
> + reg-shift = <2>;
> + };
> --
> 1.7.4.1
>
>
--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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