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authorVignesh R <vigneshr@ti.com>2016-08-01 16:06:55 +0300
committerTony Lindgren <tony@atomide.com>2016-08-26 18:14:49 +0300
commita0b83af0dfd751f88bf5c452e7bbe7efe877da3d (patch)
treecf2291a4f0b225f3323a6ee6049ced569e81ff7d /arch/arm/boot/dts/dra72-evm-common.dtsi
parent9860f7e920ff812ea580bb4871d3e117e2a81c28 (diff)
downloadlinux-a0b83af0dfd751f88bf5c452e7bbe7efe877da3d.tar.xz
ARM: dts: dra7xx: Increase spi-max-frequency to 76.8MHz for QSPI
According to AM572x DM SPRS953A, QSPI maximum bus speed can be 76.8MHz. Therefore, increase the spi-max-frequency value of QSPI node to 76.8MHz for DRA74 and DRA72 evm. This improves flash raw read speed by ~2MB/s. Signed-off-by: Vignesh R <vigneshr@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/dra72-evm-common.dtsi')
-rw-r--r--arch/arm/boot/dts/dra72-evm-common.dtsi4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/dra72-evm-common.dtsi b/arch/arm/boot/dts/dra72-evm-common.dtsi
index 9d3cf50ca37e..c94d8d64710d 100644
--- a/arch/arm/boot/dts/dra72-evm-common.dtsi
+++ b/arch/arm/boot/dts/dra72-evm-common.dtsi
@@ -681,10 +681,10 @@
&qspi {
status = "okay";
- spi-max-frequency = <64000000>;
+ spi-max-frequency = <76800000>;
m25p80@0 {
compatible = "s25fl256s1";
- spi-max-frequency = <64000000>;
+ spi-max-frequency = <76800000>;
reg = <0>;
spi-tx-bus-width = <1>;
spi-rx-bus-width = <4>;