According to Data Manual(SPRS915P) of AM57x, TI QSPI controller on DRA74(rev 1.1+)/DRA72 EVM can support up to 64MHz in MODE-0, whereas MODE-3 is limited to 48MHz. Hence, switch to MODE-0 for better throughput.

Signed-off-by: Vignesh R vigneshr@ti.com --- arch/arm/dts/dra7-evm.dts | 6 ++---- arch/arm/dts/dra72-evm.dts | 6 ++---- 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/arm/dts/dra7-evm.dts b/arch/arm/dts/dra7-evm.dts index 08ef04e177b0..429b9edc1b2b 100644 --- a/arch/arm/dts/dra7-evm.dts +++ b/arch/arm/dts/dra7-evm.dts @@ -491,15 +491,13 @@ pinctrl-names = "default"; pinctrl-0 = <&qspi1_pins>;

- spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; m25p80@0 { compatible = "s25fl256s1","spi-flash"; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; reg = <0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; - spi-cpol; - spi-cpha; #address-cells = <1>; #size-cells = <1>;

diff --git a/arch/arm/dts/dra72-evm.dts b/arch/arm/dts/dra72-evm.dts index 205103e2b0e1..ced2f1166d8c 100644 --- a/arch/arm/dts/dra72-evm.dts +++ b/arch/arm/dts/dra72-evm.dts @@ -603,15 +603,13 @@ pinctrl-names = "default"; pinctrl-0 = <&qspi1_pins>;

- spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; m25p80@0 { compatible = "s25fl256s1","spi-flash"; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; reg = <0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; - spi-cpol; - spi-cpha; #address-cells = <1>; #size-cells = <1>;