On Thu, Jun 23, 2011 at 8:56 AM, Grant Likely <[email protected]> wrote: > On Thu, Jun 23, 2011 at 8:55 AM, Grant Likely <[email protected]> > wrote: >> On Thu, Jun 23, 2011 at 8:08 AM, Jamie Iles <[email protected]> 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 <[email protected]> >>> Cc: Arnd Bergmann <[email protected]> >>> Signed-off-by: Jamie Iles <[email protected]> >>> --- >>> .../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. > > Although the used-by-rtas description should probably mention > specifically that it is used by OpenFirmware RTAS.
Oh, and device tree documentation changes should cc: the [email protected] mailing list. g. _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
