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mediatek: filogic: increase nand flash speed on Redmi AX6000 

This commit increases the SPI bus frequency from 20 to 52 MHz. Reduces boot
time by 2s. Below is a performance comparison.

Before:
root@OpenWrt:~# dd if=/dev/mtd5 of=/dev/null bs=10M count=1 status=progress
10485760 bytes (10 MB, 10 MiB) copied, 2 s, 5.8 MB/

After:
root@OpenWrt:~# dd if=/dev/mtd5 of=/dev/null bs=10M count=1 status=progress
10485760 bytes (10 MB, 10 MiB) copied, 1 s, 9.7 MB/s

Taken from PR #18752 as each device should be tested individually, so I have
created a separate PR for this.

Signed-off-by: Sky Huang <SkyLake.Huang@mediatek.com>
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Link: https://github.com/openwrt/openwrt/pull/19439
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Aleksander Jan Bajkowski 2025-07-14 23:21:51 +02:00 committed by Hauke Mehrtens
parent d8e738e5c4
commit 7b6dcaf37c
1 changed files with 1 additions and 1 deletions
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2
target/linux/mediatek/dts/mt7986a-xiaomi-redmi-router-ax6000.dtsi
View File

@ -136,7 +136,7 @@
#size-cells = <1>;
reg = <0>;
spi-max-frequency = <20000000>;
spi-max-frequency = <52000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;