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ramips: increase SPI frequency for HIWIFI HC5x61 devices

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HIWIFI HC5x61 devices support high speed spi clock up to 100+ MHz.
So set spi frequency to 80 MHz here (Due to frequency division the
real clock is 48 MHz).
I have tested HC5661 and it can run well in OpenWrt v19.07.

Signed-off-by: Shiji Yang <yangshiji66@qq.com>
[adjust commit title and wrap message]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit is contained in:
Shiji Yang 2021-03-21 22:31:44 +08:00 committed by Adrian Schmutzler
parent 1170655f8b
commit d160b2c824
1 changed files with 2 additions and 1 deletions
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3
target/linux/ramips/dts/mt7620a_hiwifi_hc5x61.dtsi
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@ -31,7 +31,8 @@
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
spi-max-frequency = <80000000>;
m25p,fast-read;
partitions {
compatible = "fixed-partitions";