From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753142AbcFGXbc (ORCPT ); Tue, 7 Jun 2016 19:31:32 -0400 Received: from down.free-electrons.com ([37.187.137.238]:57477 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752994AbcFGXb0 (ORCPT ); Tue, 7 Jun 2016 19:31:26 -0400 From: Alexandre Belloni To: Nicolas Ferre , Marek Vasut Cc: Boris Brezillon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH] ARM: dts: at91: ma5d4: properly define crystals frequencies Date: Wed, 8 Jun 2016 01:31:19 +0200 Message-Id: <1465342279-9193-1-git-send-email-alexandre.belloni@free-electrons.com> X-Mailer: git-send-email 2.8.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Denx MA5D4 dts doesn't properly define the slow_xtal and main_xtal frequencies, the PMC then has to fallback to using the RC oscillators whose precision is not really good. As both crystals are populated, define their frequencies, see p17 of http://www.denx-cs.de/sites/all/files/MA5D4.HWM_.002.pdf Also, remove the obsolete main_clock definition. Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi b/arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi index e7b2109fc85a..99d57131782f 100644 --- a/arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi +++ b/arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi @@ -20,8 +20,11 @@ }; clocks { - main_clock: main_clock { - compatible = "atmel,osc", "fixed-clock"; + slow_xtal { + clock-frequency = <32768>; + }; + + main_xtal { clock-frequency = <12000000>; }; -- 2.8.1