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    SubjectRe: [PATCH 1/3] dt-bindings: spi: stm32: Add st,dual-flash property in st,stm32-qspi.yaml
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    On 08/08/2022 10:40, patrice.chotard@foss.st.com wrote:
    > From: Patrice Chotard <patrice.chotard@foss.st.com>
    >
    > Add new property st,dual-flash which allows to use the QSPI interface as a
    > communication channel using up to 8 qspi line.
    > This mode can only be used if cs-gpios property is defined.
    >
    > Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
    > ---
    > Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml | 8 ++++++++
    > 1 file changed, 8 insertions(+)
    >
    > diff --git a/Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml b/Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml
    > index 6ec6f556182f..5e4f9109799e 100644
    > --- a/Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml
    > +++ b/Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml
    > @@ -46,6 +46,14 @@ properties:
    > - const: tx
    > - const: rx
    >
    > + st,dual-flash:
    > + type: boolean
    > + description:
    > + Allows to use 8 data lines in case cs-gpios property is defined.

    It's named dual-flash, but what if you want to use QSPI to connect for
    example to FPGA?

    Also how is this related to parallel-memories property?

    Best regards,
    Krzysztof

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