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ARM: dts: dra7xx: Update spi-max-frequency for QSPI

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According to AM572x DM SPRS953A, QSPI max bus speed is 76.8MHz.
Therefore update the spi-max-frequency value of QSPI node for DRA74 and
DRA72 evm. This increase flash read speed by ~2MB/s.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
This commit is contained in:
Vignesh R 2016-07-25 15:45:47 +05:30 • committed by Jagan Teki
parent b9612bb2de
commit 70ebdd775b
2 changed files with 2 additions and 2 deletions
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2
arch/arm/dts/dra7-evm.dts
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@ -491,7 +491,7 @@
pinctrl-names = "default";
pinctrl-0 = <&qspi1_pins>;
spi-max-frequency = <64000000>;
spi-max-frequency = <76800000>;
m25p80@0 {
compatible = "s25fl256s1","spi-flash";
spi-max-frequency = <64000000>;

2
arch/arm/dts/dra72-evm.dts
View file

@ -603,7 +603,7 @@
pinctrl-names = "default";
pinctrl-0 = <&qspi1_pins>;
spi-max-frequency = <64000000>;
spi-max-frequency = <76800000>;
m25p80@0 {
compatible = "s25fl256s1","spi-flash";
spi-max-frequency = <64000000>;