[PATCH v12 10/13] MIPS: qi_lb60: Reduce system timer and clocksource to 750 kHz
From: Paul Cercueil
Date: Tue May 21 2019 - 10:54:51 EST
The default clock (12 MHz) is too fast for the system timer, which fails
to report time accurately.
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
Notes:
v5: New patch
v6: Remove ingenic,clocksource-channel property
v7-v12: No change
arch/mips/boot/dts/ingenic/qi_lb60.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/mips/boot/dts/ingenic/qi_lb60.dts b/arch/mips/boot/dts/ingenic/qi_lb60.dts
index 76aaf8982554..01b8c917cb33 100644
--- a/arch/mips/boot/dts/ingenic/qi_lb60.dts
+++ b/arch/mips/boot/dts/ingenic/qi_lb60.dts
@@ -2,6 +2,7 @@
/dts-v1/;
#include "jz4740.dtsi"
+#include <dt-bindings/clock/ingenic,tcu.h>
/ {
compatible = "qi,lb60", "ingenic,jz4740";
@@ -31,3 +32,9 @@
bias-disable;
};
};
+
+&tcu {
+ /* 750 kHz for the system timer and clocksource */
+ assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
+ assigned-clock-rates = <750000>, <750000>;
+};
--
2.21.0.593.g511ec345e18