ARM: dts: stm32: Set spi-rx/tx-bus-width to 4 for stm32f746-disco
As n25q128 qspi flash supports quad input fast program and
quad input fast read, set spi-tx_bus-width and spi-rx_bus-width
to 4.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
index a6799be..bbe90fa 100644
--- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
@@ -240,8 +240,8 @@
#size-cells = <1>;
compatible = "micron,n25q128a13", "jedec,spi-nor";
spi-max-frequency = <108000000>;
- spi-tx-bus-width = <1>;
- spi-rx-bus-width = <1>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
reg = <0>;
};
};