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 a6799beb19635437eec2d3e96ba4dcb32a35566e..bbe90fa88adf47c80f4202337ece8a8818eb0d7e 100644 (file)
--- 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>;
        };
 };