From patchwork Wed Mar 27 23:16:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 1067523 Return-Path: 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=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=crapouillou.net Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=crapouillou.net header.i=@crapouillou.net header.b="WWVo51jN"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44V3pP6nj3z9sBV for ; Thu, 28 Mar 2019 10:18:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733236AbfC0XSN (ORCPT ); Wed, 27 Mar 2019 19:18:13 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:59652 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733225AbfC0XSM (ORCPT ); Wed, 27 Mar 2019 19:18:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1553728689; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=BhaqD9cfvvcuJii1b2J+pKSfpooSP6Z22B7yIRH/Y4U=; b=WWVo51jNNHZanVTmVzPzQIFT+GrRakQOvU6KUJOzRLOlzIc3VDTyS62wipw2A/62Mk/U6W bEjxVO7+NfMhFcOre+ysO1aImAQ1wz/kolCrmrIIycIB1+RNjE8Eh7uXWTZGctIClqfiMf 6UU6RYaS/7pfnWYKEuUZgTtNNAZmFcQ= From: Paul Cercueil To: Rob Herring , Mark Rutland , Thierry Reding , Daniel Lezcano , Thomas Gleixner , Wim Van Sebroeck , Ralf Baechle , Paul Burton , James Hogan , Jonathan Corbet , Michael Turquette , Stephen Boyd 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 Subject: [PATCH v11 25/27] MIPS: GCW0: Reduce system timer and clocksource to 750 kHz Date: Thu, 28 Mar 2019 00:16:29 +0100 Message-Id: <20190327231631.15708-26-paul@crapouillou.net> In-Reply-To: <20190327231631.15708-1-paul@crapouillou.net> References: <20190327231631.15708-1-paul@crapouillou.net> Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org The default clock (12 MHz) is too fast for the system timer. Signed-off-by: Paul Cercueil Tested-by: Mathieu Malaterre Tested-by: Artur Rojek --- arch/mips/boot/dts/ingenic/gcw0.dts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts index 35f0291e8d38..2f26b8a498e9 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 and clocksource */ + assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>; + assigned-clock-rates = <750000>, <750000>; +};