From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 25 Jul 2018 01:24:00 +0200 (CEST) Received: from outils.crapouillou.net ([89.234.176.41]:33898 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23994640AbeGXXUmbWBou (ORCPT ); Wed, 25 Jul 2018 01:20:42 +0200 From: Paul Cercueil To: Thierry Reding , Rob Herring , Mark Rutland , Daniel Lezcano , Thomas Gleixner , Wim Van Sebroeck , Guenter Roeck , Ralf Baechle , Paul Burton , Jonathan Corbet , Michael Turquette , Stephen Boyd , Lee Jones Cc: Paul Cercueil , linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-mips@linux-mips.org, linux-doc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v5 18/21] MIPS: qi_lb60: Use 750 kHz system timer & enable clocksource Date: Wed, 25 Jul 2018 01:19:55 +0200 Message-Id: <20180724231958.20659-19-paul@crapouillou.net> In-Reply-To: <20180724231958.20659-1-paul@crapouillou.net> References: <20180724231958.20659-1-paul@crapouillou.net> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1532474441; bh=EEz/GKrnXn4JAhjCV6BzW7toYuI/mDnN4ODmk32Ka2E=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=fi1Po8wHmOTIeGX+Tqd1B7A0nnS6+UomKjN92RBfVKGYQRuSgj4BbDjdTZhwYqMpM2G6ZkcgKlL9Ys4q+m6FMg1rcNNHQ6aEZNCVCwYAHwfzcMV5Q2nPmYneG5UJevldFzvh5Sz19fVX3AP8kOlH35iyhExcw3VO5dVO9nRrZzQ= Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 65117 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: paul@crapouillou.net Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips The default clock (12 MHz) is too fast for the system timer, which fails to report time accurately. Signed-off-by: Paul Cercueil --- arch/mips/boot/dts/ingenic/qi_lb60.dts | 9 +++++++++ 1 file changed, 9 insertions(+) v5: New patch diff --git a/arch/mips/boot/dts/ingenic/qi_lb60.dts b/arch/mips/boot/dts/ingenic/qi_lb60.dts index 85529a142409..5d2aca867427 100644 --- a/arch/mips/boot/dts/ingenic/qi_lb60.dts +++ b/arch/mips/boot/dts/ingenic/qi_lb60.dts @@ -45,3 +45,12 @@ bias-disable; }; }; + +&tcu { + /* Use TCU1 channel as clocksource */ + ingenic,clocksource-channel = <1>; + + /* 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