From: Vignesh R Date: Mon, 1 Aug 2016 13:06:55 +0000 (+0530) Subject: ARM: dts: dra7xx: Increase spi-max-frequency to 76.8MHz for QSPI X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=a0b83af0dfd751f88bf5c452e7bbe7efe877da3d;p=deliverable%2Flinux.git 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 Signed-off-by: Tony Lindgren --- 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>;