ramips: dts: increase maximum MMC clock frequency

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 143cfd6113231c61f38d1b9f5a0ea9ce3cc986c5)
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>

diff --git a/target/linux/ramips/dts/mt7620a.dtsi b/target/linux/ramips/dts/mt7620a.dtsi
index 7542d43bae08c4ae0c114740c5e921905cb00a94..ef430b1b9f3c1a5eed9e5d7d8c0c48b5034feaed 100644 (file)
--- a/target/linux/ramips/dts/mt7620a.dtsi
+++ b/target/linux/ramips/dts/mt7620a.dtsi
@@ -522,7 +522,7 @@
                reg = <0x10130000 0x4000>;
 
                bus-width = <4>;
-               max-frequency = <24000000>;
+               max-frequency = <48000000>;
                cap-mmc-highspeed;
                cap-sd-highspeed;
                disable-wp;

diff --git a/target/linux/ramips/dts/mt7621.dtsi b/target/linux/ramips/dts/mt7621.dtsi
index 5730e8346478bf46dd8bb9fdf4c1f81a3d648dc0..dc82120350c2c246608316bfc83ab479da1cc8b2 100644 (file)
--- a/target/linux/ramips/dts/mt7621.dtsi
+++ b/target/linux/ramips/dts/mt7621.dtsi
@@ -347,7 +347,7 @@
                reg = <0x1e130000 0x4000>;
 
                bus-width = <4>;
-               max-frequency = <48000000>;
+               max-frequency = <50000000>;
                cap-mmc-highspeed;
                cap-sd-highspeed;
                disable-wp;

diff --git a/target/linux/ramips/dts/mt7628an.dtsi b/target/linux/ramips/dts/mt7628an.dtsi
index e705d46b1e5092ce931dd2e05139ef5cdfd3ffca..47dd4df2766816b787f34b0e269e39341a6f829c 100644 (file)
--- a/target/linux/ramips/dts/mt7628an.dtsi
+++ b/target/linux/ramips/dts/mt7628an.dtsi
@@ -376,7 +376,7 @@
                reg = <0x10130000 0x4000>;
 
                bus-width = <4>;
-               max-frequency = <24000000>;
+               max-frequency = <48000000>;
                cap-mmc-highspeed;
                cap-sd-highspeed;
                disable-wp;