[PATCH v11 25/27] MIPS: GCW0: Reduce system timer and clocksource to 750 kHz
From: Paul Cercueil <paul@crapouillou.net>
Date: 2019-03-27 23:18:15
Also in:
linux-clk, linux-doc, linux-mips, linux-pwm, linux-watchdog, lkml
Subsystem:
ingenic jz47xx socs, mips, the rest · Maintainers:
Paul Cercueil, Thomas Bogendoerfer, Linus Torvalds
The default clock (12 MHz) is too fast for the system timer. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Tested-by: Mathieu Malaterre <redacted> Tested-by: Artur Rojek <redacted> --- arch/mips/boot/dts/ingenic/gcw0.dts | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts
index 35f0291e8d38..2f26b8a498e9 100644
--- a/arch/mips/boot/dts/ingenic/gcw0.dts
+++ b/arch/mips/boot/dts/ingenic/gcw0.dts@@ -60,3 +60,9 @@ /* The WiFi module is connected to the UHC. */ status = "okay"; }; + +&tcu { + /* 750 kHz for the system timer and clocksource */ + assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>; + assigned-clock-rates = <750000>, <750000>; +};
--
2.11.0