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Commit a0b83af0 authored by Vignesh R's avatar Vignesh R Committed by Tony Lindgren
Browse files

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: default avatarVignesh R <vigneshr@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 9860f7e9

arch/arm/boot/dts/dra7-evm.dts

+2 −2
Original line number Diff line number Diff line
@@ -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>;

arch/arm/boot/dts/dra72-evm-common.dtsi

+2 −2
Original line number Diff line number Diff line
@@ -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>;