From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Cercueil Subject: [PATCH v10 22/27] MIPS: qi_lb60: Reduce system timer and clocksource to 750 kHz Date: Sat, 2 Mar 2019 20:34:08 -0300 Message-ID: <20190302233413.14813-23-paul@crapouillou.net> References: <20190302233413.14813-1-paul@crapouillou.net> Return-path: In-Reply-To: <20190302233413.14813-1-paul@crapouillou.net> Sender: linux-kernel-owner@vger.kernel.org To: Thierry Reding , Daniel Lezcano , Thomas Gleixner , Ralf Baechle , Paul Burton , James Hogan , Jonathan Corbet , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Cc: Mathieu Malaterre , od@zcrc.me, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-mips@vger.kernel.org, linux-doc@vger.kernel.org, linux-clk@vger.kernel.org, Paul Cercueil List-Id: devicetree@vger.kernel.org The default clock (12 MHz) is too fast for the system timer, which fails to report time accurately. Signed-off-by: Paul Cercueil Tested-by: Mathieu Malaterre Tested-by: Artur Rojek --- Notes: v5: New patch v6: Remove ingenic,clocksource-channel property v7: No change v8: No change v9: No change v10: No change arch/mips/boot/dts/ingenic/qi_lb60.dts | 6 ++++++ 1 file changed, 6 insertions(+) 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>; +}; -- 2.11.0