[PATCH 1/2] arm: dts: k3-am654: Increase OSPI default frequency to 50MHz

Vignesh Raghavendra vigneshr at ti.com
Thu Apr 2 15:29:12 CEST 2020


In 1 bit mode OSPI can work at upto 50MHz, this provides before write
performance. Therefore increase frequency from 40MHz to 50MHz

Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
---
 arch/arm/dts/k3-am654-base-board.dts    | 2 +-
 arch/arm/dts/k3-am654-r5-base-board.dts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/k3-am654-base-board.dts b/arch/arm/dts/k3-am654-base-board.dts
index 5058b6c88e96..3ebf4af5e47a 100644
--- a/arch/arm/dts/k3-am654-base-board.dts
+++ b/arch/arm/dts/k3-am654-base-board.dts
@@ -191,7 +191,7 @@
 		reg = <0x0>;
 		spi-tx-bus-width = <1>;
 		spi-rx-bus-width = <8>;
-		spi-max-frequency = <40000000>;
+		spi-max-frequency = <50000000>;
 		cdns,tshsl-ns = <60>;
 		cdns,tsd2d-ns = <60>;
 		cdns,tchsh-ns = <60>;
diff --git a/arch/arm/dts/k3-am654-r5-base-board.dts b/arch/arm/dts/k3-am654-r5-base-board.dts
index 257b56a1b032..e6b78643c197 100644
--- a/arch/arm/dts/k3-am654-r5-base-board.dts
+++ b/arch/arm/dts/k3-am654-r5-base-board.dts
@@ -268,7 +268,7 @@
 		reg = <0x0>;
 		spi-tx-bus-width = <1>;
 		spi-rx-bus-width = <8>;
-		spi-max-frequency = <40000000>;
+		spi-max-frequency = <50000000>;
 		cdns,tshsl-ns = <60>;
 		cdns,tsd2d-ns = <60>;
 		cdns,tchsh-ns = <60>;
-- 
2.26.0



More information about the U-Boot mailing list