diff mbox series

[v8,24/26] MIPS: GCW0: Reduce system timer and clocksource to 750 kHz

Message ID 20181212221335.19404-1-paul@crapouillou.net
State Changes Requested
Headers show
Series Ingenic TCU patchset v8 | expand

Commit Message

Paul Cercueil Dec. 12, 2018, 10:13 p.m. UTC 
The default clock (12 MHz) is too fast for the system timer, which fails
to report time accurately.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---

Notes:
     v8: New patch

 arch/mips/boot/dts/ingenic/gcw0.dts | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts
index 8abab14eb852..651c3f505fa5 100644
--- a/arch/mips/boot/dts/ingenic/gcw0.dts
+++ b/arch/mips/boot/dts/ingenic/gcw0.dts
@@ -61,6 +61,12 @@ 
 	status = "okay";
 };
 
+&tcu {
+	/* 750 kHz for the system timer and clocksource */
+	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>;
+	assigned-clock-rates = <750000>, <750000>;
+};
+
 &pwm {
 	/* Channels 1 and 3-7 are for PWM use */
 	reg = <0x50 0x10>, <0x70 0x50>;