Re: [PATCH 01/25] serial: sh-sci: Update DT binding documentation for external clock input

Laurent Pinchart
2015-11-19T20:19:08Z

Hi Geert,

Thank you for the patch.

On Thursday 19 November 2015 19:38:40 Geert Uytterhoeven wrote:
> Amend the DT bindings to include the optional external clock on
> (H)SCI(F) and some SCIFA, where this pin can serve as a clock input,
> depending on board wiring.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: devicetree@vger.kernel.org
> ---
> 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
> 2c9e6b8477e92792..8efc9b6f35637fbb 100644
> --- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
> +++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
> @@ -43,6 +43,9 @@ Required properties:
> - clocks: Must contain a phandle and clock-specifier pair for each entry
> in clock-names.
> - clock-names: Must contain "fck" for the SCIx UART functional clock.
> + On (H)SCI(F) and some SCIFA, an additional clock may be specified:

Could you list the SCIFA variants that support external clocks ?

> + - "hsck" for the optional external clock input (on HSCIF),
> + - "sck" for the optional external clock input (on other variants).
>
> Note: Each enabled SCIx UART should have an alias correctly numbered in the
> "aliases" node.

--
Regards,

Laurent Pinchart