[U-Boot] [PATCH 06/12] ARM: dts: stm32: Set spi-rx/tx-bus-width to 4 for stm32f746-disco

Patrice Chotard patrice.chotard at st.com
Mon May 6 09:16:57 UTC 2019


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 at st.com>
---

 arch/arm/dts/stm32f746-disco-u-boot.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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>;
 	};
 };
-- 
1.9.1



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