From patchwork Fri Aug 16 00:44:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Oltean X-Patchwork-Id: 11096657 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D0172912 for ; Fri, 16 Aug 2019 00:45:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1A3221C9A for ; Fri, 16 Aug 2019 00:45:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B5F3B286E6; Fri, 16 Aug 2019 00:45:20 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,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 6D02F21C9A for ; Fri, 16 Aug 2019 00:45:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726414AbfHPApS (ORCPT ); Thu, 15 Aug 2019 20:45:18 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:37623 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726435AbfHPApP (ORCPT ); Thu, 15 Aug 2019 20:45:15 -0400 Received: by mail-wr1-f67.google.com with SMTP id z11so3803426wrt.4; Thu, 15 Aug 2019 17:45:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=gA4EghheVlwLTCkXpIEYPy5tZr9mfwdcWn3E8suJuks=; b=JRz75JIJcjxCunTKyo2AFnHHYecc7R7edPD69KNAXKcY91FtFa0xSyXaLZ89fmnnfG hSLkWSWfqCBmCGeVhzBWlfbpAuDTOWR0HFTg2+VdUq/YBoI4wt5KLPt7mLp88msnM37J iHxKkcZfNl27a+xAJd1Xs48TqGv8/rrfLM9PcWWalTiFx1y6uS0Bm12/dXfk/jyvz3PU garlnuphL5+EdQbOnzfr361ha35cTwQWi90kXTZLgB4rBGVLpdD1akcLDNgBMS4GXzth r5S05x3N0T9K5rLf+1Q/6dRtdQkZ07NUROhZIsLgNUI29fe/0ypax7ByR8MpMHSF5fvx /edQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=gA4EghheVlwLTCkXpIEYPy5tZr9mfwdcWn3E8suJuks=; b=AohsMBTUBy6Ff4BuGZsVqZaKY2yl/45Nhn/3I6JqPzYnGdkmn/W42W0hbfuHZWvJjP 7rkCGf+qHWsCJN0bxLi5CJ1tCEAfL9cXIQuj/gcC96YY7yFd8Id3XYoVUFAP1luLxAkT MbCNdk/Phar3hrcquYABcmrsFIbkXedrZ0dCo2roxLTsPIO9qO7H4e9kNRB//oHaNhGL I/4brt83vbClwuleRQ+sE3sR50ITBWC4kI6ZOxPrBYvtUyG/YJcLm+upH6Ze0jC4rIVC DxhpKR/167ZZ3lxi44pkDUWC514uO3o1xeKF1xM0acFwutklltc/15TlBlZlyLPr1Z7j 7F5Q== X-Gm-Message-State: APjAAAV00Miaw4JgUYPal8oEZ38DbqqXuE/LyL/3csKCfOdcCfCEsZFg XhBUx/d21nzXCzX8Df9BcJW/mBgCmj8= X-Google-Smtp-Source: APXvYqwF7U4q4GgDkG8suyoncsL5tJr3g2YiTFunwyeVgsgnYGWenc8ELvE/9f/VTa0O5KYTfsa4hw== X-Received: by 2002:a5d:6ad0:: with SMTP id u16mr7872106wrw.84.1565916313393; Thu, 15 Aug 2019 17:45:13 -0700 (PDT) Received: from localhost.localdomain ([188.25.91.80]) by smtp.gmail.com with ESMTPSA id k124sm6451204wmk.47.2019.08.15.17.45.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Aug 2019 17:45:13 -0700 (PDT) From: Vladimir Oltean To: h.feurstein@gmail.com, mlichvar@redhat.com, richardcochran@gmail.com, andrew@lunn.ch, f.fainelli@gmail.com, broonie@kernel.org Cc: linux-spi@vger.kernel.org, netdev@vger.kernel.org, Vladimir Oltean Subject: [RFC PATCH net-next 11/11] ARM: dts: ls1021a-tsn: Reduce the SJA1105 SPI frequency for debug Date: Fri, 16 Aug 2019 03:44:49 +0300 Message-Id: <20190816004449.10100-12-olteanv@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190816004449.10100-1-olteanv@gmail.com> References: <20190816004449.10100-1-olteanv@gmail.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP I have a logic analyzer that cannot sample signals at a higher frequency than this, and it's nice to actually see the captured data and not just an amorphous mess. Signed-off-by: Vladimir Oltean --- arch/arm/boot/dts/ls1021a-tsn.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/ls1021a-tsn.dts b/arch/arm/boot/dts/ls1021a-tsn.dts index 3b35e6b5977f..8fdf4c3b24c7 100644 --- a/arch/arm/boot/dts/ls1021a-tsn.dts +++ b/arch/arm/boot/dts/ls1021a-tsn.dts @@ -55,7 +55,7 @@ #size-cells = <0>; compatible = "nxp,sja1105t"; /* 12 MHz */ - spi-max-frequency = <12000000>; + spi-max-frequency = <6000000>; /* Sample data on trailing clock edge */ spi-cpha; /* SPI controller settings for SJA1105 timing requirements */