[v6,21/24] MIPS: qi_lb60: Reduce system timer and clocksource to 750 kHz

Message ID 20180809214622.21256-1-paul@crapouillou.net
State New
Headers show
Series
  • Ingenic TCU patchset v6
Related show

Commit Message

Paul Cercueil Aug. 9, 2018, 9:46 p.m.
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>
---
 arch/mips/boot/dts/ingenic/qi_lb60.dts | 6 ++++++
 1 file changed, 6 insertions(+)

 v5: New patch

 v6: Remove ingenic,clocksource-channel property

Patch

diff --git a/arch/mips/boot/dts/ingenic/qi_lb60.dts b/arch/mips/boot/dts/ingenic/qi_lb60.dts
index 85529a142409..de9d45e2c24a 100644
--- a/arch/mips/boot/dts/ingenic/qi_lb60.dts
+++ b/arch/mips/boot/dts/ingenic/qi_lb60.dts
@@ -45,3 +45,9 @@ 
 		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>;
+};