diff options
| author | Vignesh R <vigneshr@ti.com> | 2016-08-01 16:06:55 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2016-08-26 18:14:49 +0300 |
| commit | a0b83af0dfd751f88bf5c452e7bbe7efe877da3d (patch) | |
| tree | cf2291a4f0b225f3323a6ee6049ced569e81ff7d /arch | |
| parent | 9860f7e920ff812ea580bb4871d3e117e2a81c28 (diff) | |
| download | linux-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')
| -rw-r--r-- | arch/arm/boot/dts/dra7-evm.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/dra72-evm-common.dtsi | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index d47c8739bdaa..3350722e10b7 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -664,10 +664,10 @@ &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>; 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>; |