From: Shiji Yang <yangshiji66@outlook.com>
Date: Sat, 24 May 2025 08:32:26 +0000 (+0800)
Subject: ramips: dts: increase maximum MMC clock frequency
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F18896%2Fhead;p=thirdparty%2Fopenwrt.git

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
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 7542d43bae0..ef430b1b9f3 100644
--- 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 600cea4a4fd..24e80835dd9 100644
--- a/target/linux/ramips/dts/mt7621.dtsi
+++ b/target/linux/ramips/dts/mt7621.dtsi
@@ -363,7 +363,7 @@
 		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 e705d46b1e5..47dd4df2766 100644
--- 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;