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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 20659C4332E for ; Mon, 28 Dec 2020 14:10:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E29EF21D94 for ; Mon, 28 Dec 2020 14:10:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439053AbgL1OKf (ORCPT ); Mon, 28 Dec 2020 09:10:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:44566 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2439014AbgL1OKX (ORCPT ); Mon, 28 Dec 2020 09:10:23 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5AFA2207B2; Mon, 28 Dec 2020 14:10:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609164607; bh=nA7BVO8Yh1YrGNDD4Vvrfez7DOcgb9i2BKJgaCMdYT8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2rwS6uuyGs+bf+GBA2nxh/mW4238bEG1elu9kfIFXiEa9BiO5UR74k5P613VLLIn4 7rIQxf+Z6lWaZlDDQ0Zbk9XVOU46zbux1LUD1ZX+7YJYIb3aVmhRCOVKQK1WXC/R6P lTwkMgHsGATRVBd1htCqCPIfbFDNGTxWCyw4shoM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michael Walle , Shawn Guo , Sasha Levin Subject: [PATCH 5.10 234/717] arm64: dts: ls1028a: fix ENETC PTP clock input Date: Mon, 28 Dec 2020 13:43:52 +0100 Message-Id: <20201228125032.199162790@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228125020.963311703@linuxfoundation.org> References: <20201228125020.963311703@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Michael Walle [ Upstream commit d0570a575aa83116bd0f6a99c4de548af773d950 ] On the LS1028A the ENETC reference clock is connected to 4th HWA output, see Figure 7 "Clock subsystem block diagram". The PHC may run with a wrong frequency. ptp_qoriq_auto_config() will read the clock speed of the clock given in the device tree. It is likely that, on the reference board this wasn't noticed because both clocks have the same frequency. But this must not be always the case. Fix it. Fixes: 49401003e260 ("arm64: dts: fsl: ls1028a: add ENETC 1588 timer node") Signed-off-by: Michael Walle Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index 7a6fb7e1fb82f..060b0d5c2669e 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -934,7 +934,7 @@ ethernet@0,4 { compatible = "fsl,enetc-ptp"; reg = <0x000400 0 0 0 0>; - clocks = <&clockgen 4 0>; + clocks = <&clockgen 2 3>; little-endian; fsl,extts-fifo; }; -- 2.27.0