diff mbox series

[v15,10/13] MIPS: qi_lb60: Reduce system timer and clocksource to 750 kHz

Message ID 20190724171615.20774-11-paul@crapouillou.net (mailing list archive)
State Accepted
Headers show
Series TCU patchset v15 | expand

Commit Message

Paul Cercueil July 24, 2019, 5:16 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>
Tested-by: Mathieu Malaterre <malat@debian.org>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
---

Notes:
    v5: New patch
    
    v6: Remove ingenic,clocksource-channel property
    
    v7-v15: No change

 arch/mips/boot/dts/ingenic/qi_lb60.dts | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/arch/mips/boot/dts/ingenic/qi_lb60.dts b/arch/mips/boot/dts/ingenic/qi_lb60.dts
index cc26650562c2..933d98ca8d93 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>
 #include <dt-bindings/gpio/gpio.h>
 
 / {
@@ -64,3 +65,9 @@ 
 	pinctrl-names = "default";
 	pinctrl-0 = <&pins_mmc>;
 };
+
+&tcu {
+	/* 750 kHz for the system timer and clocksource */
+	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
+	assigned-clock-rates = <750000>, <750000>;
+};