On 08/08/2022 10:40, patrice.chotard@xxxxxxxxxxx wrote: > From: Patrice Chotard <patrice.chotard@xxxxxxxxxxx> > > 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@xxxxxxxxxxx> > --- > 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
