From patchwork Fri May 19 07:06:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 9736035 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B06716041F for ; Fri, 19 May 2017 07:08:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8D4D528658 for ; Fri, 19 May 2017 07:08:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 81794288A7; Fri, 19 May 2017 07:08:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 39B05288B2 for ; Fri, 19 May 2017 07:08:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754213AbdESHI6 (ORCPT ); Fri, 19 May 2017 03:08:58 -0400 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:46938 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751743AbdESHGW (ORCPT ); Fri, 19 May 2017 03:06:22 -0400 Received: by wens.csie.org (Postfix, from userid 1000) id 6D129602FA; Fri, 19 May 2017 15:06:13 +0800 (CST) From: Chen-Yu Tsai To: Maxime Ripard , Michael Turquette , Stephen Boyd , Rob Herring , Mark Rutland Cc: Chen-Yu Tsai , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v4 5/6] ARM: sun8i: a83t: Set clock accuracy for 24MHz oscillator Date: Fri, 19 May 2017 15:06:11 +0800 Message-Id: <20170519070612.32159-6-wens@csie.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170519070612.32159-1-wens@csie.org> References: <20170519070612.32159-1-wens@csie.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The datasheets for Allwinner SoCs set strict requirements on the stability of the external crystal oscillators. Add the accuracy for the main 24MHz oscillator to the device tree. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun8i-a83t.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi index c9a5d07b2ada..e12dd7170b8f 100644 --- a/arch/arm/boot/dts/sun8i-a83t.dtsi +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi @@ -126,6 +126,7 @@ #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <24000000>; + clock-accuracy = <50000>; clock-output-names = "osc24M"; };