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    Subject[PATCH 01/25] serial: sh-sci: Update DT binding documentation for external clock input
    Date
    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:
    + - "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.
    --
    1.9.1


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