From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 028C4C6778F for ; Tue, 24 Jul 2018 23:21:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AFBAE20852 for ; Tue, 24 Jul 2018 23:21:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="fi1Po8wH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AFBAE20852 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=crapouillou.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389292AbeGYA3s (ORCPT ); Tue, 24 Jul 2018 20:29:48 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:39322 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389226AbeGYA3a (ORCPT ); Tue, 24 Jul 2018 20:29:30 -0400 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= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 --- 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