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ramips: dts: increase maximum MMC clock frequency

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The High-Speed SD mode stability issue should have been fixed.
Increase the MMC max-frequency to improve the IO speed. We can
still use the sysfs to limit the clock frequency, e.g.

root@OpenWrt:~# echo 25000000 > /sys/kernel/debug/mmc0/clock

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/18896
(cherry picked from commit 143cfd6113)
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Link: https://github.com/openwrt/openwrt/pull/20258
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Shiji Yang 2025-05-24 16:32:26 +08:00 • committed by Hauke Mehrtens
parent 43c1a0440f
commit a902c0d020
3 changed files with 3 additions and 3 deletions
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2
target/linux/ramips/dts/mt7620a.dtsi
View file

@ -522,7 +522,7 @@
reg = <0x10130000 0x4000>;
bus-width = <4>;
max-frequency = <24000000>;
max-frequency = <48000000>;
cap-mmc-highspeed;
cap-sd-highspeed;
disable-wp;

2
target/linux/ramips/dts/mt7621.dtsi
View file

@ -347,7 +347,7 @@
reg = <0x1e130000 0x4000>;
bus-width = <4>;
max-frequency = <48000000>;
max-frequency = <50000000>;
cap-mmc-highspeed;
cap-sd-highspeed;
disable-wp;

2
target/linux/ramips/dts/mt7628an.dtsi
View file

@ -376,7 +376,7 @@
reg = <0x10130000 0x4000>;
bus-width = <4>;
max-frequency = <24000000>;
max-frequency = <48000000>;
cap-mmc-highspeed;
cap-sd-highspeed;
disable-wp;