On Thu, Mar 17, 2016 at 02:47:25PM +0100, Geert Uytterhoeven wrote:
> Amend the DT bindings for the Renesas SCI driver to allow describing
> optional GPIO-controlled modem lines, which can be used where dedicated
> modem lines are not available.
>
> The property naming is dictated by the SERIAL_MCTRL_GPIO helpers.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> ---
> Documentation/devicetree/bindings/serial/renesas,sci-serial.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
> index 528c3b90f23cb04b..f8d7b36742967163 100644
> --- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
> +++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
> @@ -76,6 +76,9 @@ Optional properties:
> - dmas: Must contain a list of two references to DMA specifiers, one for
> transmission, and one for reception.
> - dma-names: Must contain a list of two DMA names, "tx" and "rx".
> + - {cts,dsr,dcd,rng,rts,dtr,out1,out2}-gpios: Must contain a GPIO specifier,
> + referring to the GPIO pin to be used as the UART's CTS, DSR, DCD, RNG, RTS,
> + DTR, OUT1, or OUT2 line.
It would be good to document these in a common location as at least some
are already in use. Otherwise,
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Rob
