[v9,25/27] MIPS: GCW0: Reduce system timer to 750 kHz

Message ID 20181227181319.31095-26-paul@crapouillou.net
State New
Headers show
Series
  • Ingenic TCU patchset v9
Related show

Commit Message

Paul Cercueil Dec. 27, 2018, 6:13 p.m.
The default clock (12 MHz) is too fast for the system timer.

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

Notes:
     v8: New patch

     v9: Don't configure clock timer1, as the OS Timer is used as
         clocksource on this SoC

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

Patch

diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts
index 35f0291e8d38..c26572f8b8ae 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 */
+	assigned-clocks = <&tcu TCU_CLK_TIMER0>;
+	assigned-clock-rates = <750000>;
+};