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.
+
+dependencies:
+ st,dual-flash: [ cs-gpios ]
+
required:
- compatible
- reg
--
2.25.1
