From patchwork Mon May 22 08:10:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 100265 Delivered-To: patch@linaro.org Received: by 10.140.96.100 with SMTP id j91csp136711qge; Mon, 22 May 2017 01:10:41 -0700 (PDT) X-Received: by 10.84.218.204 with SMTP id g12mr27733810plm.32.1495440640988; Mon, 22 May 2017 01:10:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1495440640; cv=none; d=google.com; s=arc-20160816; b=tapPPu7uv04OuxHuGXE6dX3fNq89PG4CEaRRLM5wwn7pvB7SosFS77ShO3jg+p9Td+ Lvi4NP4/LEqW8eWkM/+urplzMYwVO1fZBNVvlaJCTHMwQ7ZapwXFAxpxWCd+Df0yGoCS LJ9rNxMF8zTDPUK7xFdWHs1RuEzTERiKzEEgtmbEElEmlp53p28j9huWNWUSyYC9qMfC cNSVmW4hDNto8dV8I2jo/RtQyIkd28fczR+RBOihXnS7MxMaEON5FvSM46forNXjYUn5 HzVhYN22FEpUcq507puwB6xLFcsJypYRQPUBg6BzpXHyVlEWYPxX7yqMWqkIT7aIRW9x Ji3Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from:dkim-signature:arc-authentication-results; bh=hbfIRULS+/PNwzTE4PlXPNG68kZWI6AbHhuyPMtWgrU=; b=YYw+pdanOllGTC0msofVLbIB+R+s0gA2hqT24gucItuwCUOvKcA3xExb2ixIPQrzgi hYXPp5FbsHrkfzbMQT1szpUIF/XMD0l4puNJ88MafJtQvxmHfcsAc8809v36PCvYA/Uw eR/pyzQPtD1B2ycervlsP9OyzfplOvB26ErBsf1HdYJWoC038qaag6dddSSBYRLuEV/H qp/fXU5IKlgIa6CfzZDy8kn717p3MBt3AjX1kNzRwdZylDWwijyOoR6Qn2Cj4rA6tBQQ BF9Op5Nxn2o53cy+w3mfKkSFlweZTE7MbbwvfmdIsVVvmdjOQIOZfNVVs+mSotTRE2AX MTRw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c89si16462619pfk.21.2017.05.22.01.10.40; Mon, 22 May 2017 01:10:40 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752614AbdEVIKi (ORCPT + 25 others); Mon, 22 May 2017 04:10:38 -0400 Received: from fllnx210.ext.ti.com ([198.47.19.17]:23845 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751324AbdEVIKe (ORCPT ); Mon, 22 May 2017 04:10:34 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by fllnx210.ext.ti.com (8.15.1/8.15.1) with ESMTP id v4M8AXDh010496 for ; Mon, 22 May 2017 03:10:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1495440633; bh=MrOmG3itD/r1hR7sYIM4kIuXn0El0JY5Qk1IBOrfsQs=; h=From:To:CC:Subject:Date; b=u7XuWvuAAxpNghXYISni3Ogdw/o0ccrNaJ3l95b96E6NuLMYvA5/o3h2kOhVt8p0e 5qcJg3pibfMVV35NdAfurLSHUS+b3mW8BLXHGqHQ7zfQgUIxYzHWY6g1dMHnEmZfLH PB+rMfvO9aCLr+HQa4+MkXi+ofRGTV+ppLirgvFU= Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id v4M8AXHi017774 for ; Mon, 22 May 2017 03:10:33 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.294.0; Mon, 22 May 2017 03:10:33 -0500 Received: from lta0400828d.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id v4M8AVga016149; Mon, 22 May 2017 03:10:32 -0500 From: Roger Quadros To: CC: , , Roger Quadros Subject: [PATCH] phy: ti-pipe3: Use TRM recommended settings for SATA DPLL Date: Mon, 22 May 2017 11:10:30 +0300 Message-ID: <1495440630-21332-1-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The AM572x TRM [1], shows recommended settings for the SATA DPLL in Table 26-8. DPLL CLKDCOLDO Recommended Settings. Use those settings in the driver. The TRM does not show a value for 20MHz SYS_CLK so we use something close to the 26MHz setting. [1] - http://www.ti.com/lit/ug/spruhz6h/spruhz6h.pdf Signed-off-by: Roger Quadros --- drivers/phy/phy-ti-pipe3.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) -- 2.7.4 diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c index 9c84d32..0e564f3 100644 --- a/drivers/phy/phy-ti-pipe3.c +++ b/drivers/phy/phy-ti-pipe3.c @@ -118,12 +118,12 @@ static struct pipe3_dpll_map dpll_map_usb[] = { }; static struct pipe3_dpll_map dpll_map_sata[] = { - {12000000, {1000, 7, 4, 6, 0} }, /* 12 MHz */ - {16800000, {714, 7, 4, 6, 0} }, /* 16.8 MHz */ + {12000000, {625, 4, 4, 6, 0} }, /* 12 MHz */ + {16800000, {625, 6, 4, 7, 0} }, /* 16.8 MHz */ {19200000, {625, 7, 4, 6, 0} }, /* 19.2 MHz */ - {20000000, {600, 7, 4, 6, 0} }, /* 20 MHz */ - {26000000, {461, 7, 4, 6, 0} }, /* 26 MHz */ - {38400000, {312, 7, 4, 6, 0} }, /* 38.4 MHz */ + {20000000, {750, 9, 4, 6, 0} }, /* 20 MHz */ + {26000000, {750, 12, 4, 6, 0} }, /* 26 MHz */ + {38400000, {625, 15, 4, 6, 0} }, /* 38.4 MHz */ { }, /* Terminator */ };