From patchwork Thu Jun 20 15:34:32 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 2756901 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 91EE7C0AB1 for ; Thu, 20 Jun 2013 15:36:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E72C72039D for ; Thu, 20 Jun 2013 15:36:00 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A534920370 for ; Thu, 20 Jun 2013 15:35:59 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UpgtR-0005Sl-J8; Thu, 20 Jun 2013 15:35:25 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UpgtK-0002ac-32; Thu, 20 Jun 2013 15:35:18 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Upgt9-0002Y5-Sb for linux-arm-kernel@lists.infradead.org; Thu, 20 Jun 2013 15:35:08 +0000 Received: from dude.hi.pengutronix.de ([2001:6f8:1178:2:21e:67ff:fe11:9c5c]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1Upgsf-0001hn-TI; Thu, 20 Jun 2013 17:34:37 +0200 Received: from sha by dude.hi.pengutronix.de with local (Exim 4.80) (envelope-from ) id 1Upgsf-0002uA-O6; Thu, 20 Jun 2013 17:34:37 +0200 From: Sascha Hauer To: Subject: [PATCH 2/3] ARM: i.MX6: add ethernet phy fixup for AR8031 Date: Thu, 20 Jun 2013 17:34:32 +0200 Message-Id: <1371742473-28026-3-git-send-email-s.hauer@pengutronix.de> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1371742473-28026-1-git-send-email-s.hauer@pengutronix.de> References: <1371742473-28026-1-git-send-email-s.hauer@pengutronix.de> X-SA-Exim-Connect-IP: 2001:6f8:1178:2:21e:67ff:fe11:9c5c X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130620_113508_152321_6F60E6AE X-CRM114-Status: GOOD ( 13.90 ) X-Spam-Score: -3.2 (---) Cc: Sascha Hauer , Shawn Guo , kernel@pengutronix.de X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The AR8031 is used on the i.MX6 based sabreSD, sabreauto and wandboard. All need the same fixup, so add it for all i.MX6. Signed-off-by: Sascha Hauer --- arch/arm/mach-imx/mach-imx6q.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index e5f4a5b..69fae87 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -113,6 +113,29 @@ static int ksz9021rn_phy_fixup(struct phy_device *phydev) return 0; } +static int ar8031_phy_fixup(struct phy_device *dev) +{ + u16 val; + + /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ + phy_write(dev, 0xd, 0x7); + phy_write(dev, 0xe, 0x8016); + phy_write(dev, 0xd, 0x4007); + + val = phy_read(dev, 0xe); + val &= 0xffe3; + val |= 0x18; + phy_write(dev, 0xe, val); + + /* introduce tx clock delay */ + phy_write(dev, 0x1d, 0x5); + val = phy_read(dev, 0x1e); + val |= 0x0100; + phy_write(dev, 0x1e, val); + + return 0; +} + static void __init imx6q_sabrelite_cko1_setup(void) { struct clk *cko1_sel, *ahb, *cko1; @@ -137,11 +160,15 @@ put_clk: clk_put(cko1); } +#define PHY_ID_AR8031 0x004dd074 + static void __init imx6q_enet_phy_init(void) { if (IS_BUILTIN(CONFIG_PHYLIB)) { phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK, ksz9021rn_phy_fixup); + phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffff, + ar8031_phy_fixup); } }