Previously the dts were using a value determined by empirical testing,
because of a spi driver/clock bug. The bug was fixed quite some time
ago. 33 MHz is the default clock frequency used by RouterBOOT and thus
safe.
Signed-off-by: Tobias Schramm <t.schr...@manjaro.org>
---
target/linux/ramips/dts/mt7621_mikrotik_rbm11g.dts | 3 +--
target/linux/ramips/dts/mt7621_mikrotik_rbm33g.dts | 5 ++---
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/target/linux/ramips/dts/mt7621_mikrotik_rbm11g.dts
b/target/linux/ramips/dts/mt7621_mikrotik_rbm11g.dts
index aae899c9a6..cf0582b6a7 100644
--- a/target/linux/ramips/dts/mt7621_mikrotik_rbm11g.dts
+++ b/target/linux/ramips/dts/mt7621_mikrotik_rbm11g.dts
@@ -83,8 +83,7 @@
w25q128@0 {
compatible = "jedec,spi-nor";
reg = <0>;
- // XXX empiric value to obtain actual 10MHz SCK at the chip
- spi-max-frequency = <3125000>;
+ spi-max-frequency = <33000000>;
partitions {
compatible = "fixed-partitions";
diff --git a/target/linux/ramips/dts/mt7621_mikrotik_rbm33g.dts
b/target/linux/ramips/dts/mt7621_mikrotik_rbm33g.dts
index f7889bd68a..67b91c85ea 100644
--- a/target/linux/ramips/dts/mt7621_mikrotik_rbm33g.dts
+++ b/target/linux/ramips/dts/mt7621_mikrotik_rbm33g.dts
@@ -93,7 +93,7 @@
w25q40@0 {
compatible = "jedec,spi-nor";
reg = <0>;
- spi-max-frequency = <3125000>;
+ spi-max-frequency = <33000000>;
partitions {
compatible = "fixed-partitions";
@@ -143,8 +143,7 @@
w25q128@1 {
compatible = "jedec,spi-nor";
reg = <1>;
- // XXX empiric value to obtain actual 10MHz SCK at the chip
- spi-max-frequency = <3125000>;
+ spi-max-frequency = <33000000>;
partitions {
compatible = "fixed-partitions";
--
2.26.0
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