Message ID | 20181212221226.19194-1-paul@crapouillou.net |
---|---|
State | Changes Requested |
Headers | show
Return-Path: <linux-pwm-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=crapouillou.net Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=crapouillou.net header.i=@crapouillou.net header.b="t8KzJrHq"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43FWWb5NDQz9s7T for <incoming@patchwork.ozlabs.org>; Thu, 13 Dec 2018 09:22:03 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728468AbeLLWVl (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Wed, 12 Dec 2018 17:21:41 -0500 Received: from outils.crapouillou.net ([89.234.176.41]:44942 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728393AbeLLWVl (ORCPT <rfc822; linux-pwm@vger.kernel.org>); Wed, 12 Dec 2018 17:21:41 -0500 From: Paul Cercueil <paul@crapouillou.net> To: Thierry Reding <thierry.reding@gmail.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Thomas Gleixner <tglx@linutronix.de>, Ralf Baechle <ralf@linux-mips.org>, Paul Burton <paul.burton@mips.com>, James Hogan <jhogan@kernel.org>, Jonathan Corbet <corbet@lwn.net> Cc: Mathieu Malaterre <malat@debian.org>, Ezequiel Garcia <ezequiel@collabora.co.uk>, PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>, 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, od@zcrc.me, Paul Cercueil <paul@crapouillou.net> Subject: [PATCH v8 21/26] MIPS: CI20: Reduce system timer and clocksource to 3 MHz Date: Wed, 12 Dec 2018 23:12:26 +0100 Message-Id: <20181212221226.19194-1-paul@crapouillou.net> In-Reply-To: <20181212220922.18759-1-paul@crapouillou.net> References: <20181212220922.18759-1-paul@crapouillou.net> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1544652755; bh=oMxZ6AwauCwPGsEAXokGRL6V/FQaYp9ZahPHDS7nrKo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=t8KzJrHq+2ZR2G2DOX5KTMZzcjnC+bKffuxVOzZXPlMhB4Hja/M4bX1EjxxgMWdVZRb5Ms/sQ8XfbFMLFvs1CmiU4GjREzHLZDSYR7aWWEEayMewk55SD7p8vCsveT5U3VGwKKSHPBoPa7u786BmBlOazCoZFq02VdCDZh5hInM= Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: <linux-pwm.vger.kernel.org> X-Mailing-List: linux-pwm@vger.kernel.org |
Series |
Ingenic TCU patchset v8
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expand
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diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts index 50cff3cbcc6d..f64d32443097 100644 --- a/arch/mips/boot/dts/ingenic/ci20.dts +++ b/arch/mips/boot/dts/ingenic/ci20.dts @@ -238,3 +238,9 @@ bias-disable; }; }; + +&tcu { + /* 3 MHz for the system timer and clocksource */ + assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>; + assigned-clock-rates = <3000000>, <3000000>; +};
The default clock (48 MHz) is too fast for the system timer, which fails to report time accurately. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- Notes: v5: New patch v6: Set also the rate for the clocksource channel's clock v7: No change v8: No change arch/mips/boot/dts/ingenic/ci20.dts | 6 ++++++ 1 file changed, 6 insertions(+)