From patchwork Fri Nov 21 10:41:41 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcel Ziswiler X-Patchwork-Id: 5354191 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 7A3A2C11AC for ; Fri, 21 Nov 2014 10:44:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9F17620154 for ; Fri, 21 Nov 2014 10:44:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7DC1E20131 for ; Fri, 21 Nov 2014 10:44:49 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xrlfm-0004MR-I7; Fri, 21 Nov 2014 10:42:42 +0000 Received: from mout.perfora.net ([74.208.4.196]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xrlfj-0004GE-9J for linux-arm-kernel@lists.infradead.org; Fri, 21 Nov 2014 10:42:39 +0000 Received: from localhost.localdomain (190-191.5-85.cust.bluewin.ch [85.5.191.190]) by mrelay.perfora.net (node=mreueus002) with ESMTP (Nemesis) id 0M2v8i-1Y7upp48Fa-00sdyd; Fri, 21 Nov 2014 11:42:08 +0100 From: Marcel Ziswiler To: swarren@wwwdotorg.org, thierry.reding@gmail.com Subject: [PATCH] ARM: tegra: colibri t30: fix on-module ethernet Date: Fri, 21 Nov 2014 11:41:41 +0100 Message-Id: X-Mailer: git-send-email 1.9.3 X-Provags-ID: V02:K0:x06M1XxNwJ9pDQvX7Ej3AWug9iFoV03dTcTZ8VXs+CU Uqi8gRnDbFubxK5yAnhmd72v/2/Ci81nR75zm6tOiYC2vBE1dk 4+dvX2ilZIn+qGN439NXpFTw1uP187HKhyYO8oHvrGaqVZUX73 Oq8tk/aUd7sAj3qxHXtSSP4HNTYHBuGmG50TxrczdB/XWXYug5 QzbjcRtVENnj3LKJ8VTjpEMuQQEIGorz7O+qnZLndRXWQr9naS FEE1fV7DnMD4UdlM6oFgS4wHlTQSS4GmkqqJBTPyDZLsJHOROz 63tXWJFtZXMl0Cpr28Bkmjmr93CFouU8MgEkuurV/o4NYYlHdX o0STLgGMag5exfm0PiuK9N7eOsjPDeqoOSrqw+yS7Ns+vThRXW FcimfD414Vn/TFVqzaav1/29HgRIs+5G/MKqGtE/P4Nx+WUqng 0e0MvGSjsDuGFx8fOIHckGMlzag== X-UI-Out-Filterresults: notjunk:1; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141121_024239_447806_B70292E2 X-CRM114-Status: UNSURE ( 8.37 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: devicetree@vger.kernel.org, linux@arm.linux.org.uk, linux-kernel@vger.kernel.org, stefan@agner.ch, Marcel Ziswiler , linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 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=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, T_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 Looks like Ethernet only ever worked if U-Boot properly brought it up as both the reset as well as the VBUS lines were not actively handled in-kernel. This patch fixes this by just pulling up the reset GPIO and properly enabling VBUS via a GPIO enabled fixed regulator VBUS supply. Signed-off-by: Marcel Ziswiler --- Don't know whether this one could still make it into the current RC cycle as it is clearly a bug fix. arch/arm/boot/dts/tegra30-colibri.dtsi | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm/boot/dts/tegra30-colibri.dtsi b/arch/arm/boot/dts/tegra30-colibri.dtsi index c4ed1be..ddbdb77 100644 --- a/arch/arm/boot/dts/tegra30-colibri.dtsi +++ b/arch/arm/boot/dts/tegra30-colibri.dtsi @@ -167,6 +167,22 @@ nvidia,pull = ; nvidia,tristate = ; }; + + /* LAN_RESET# */ + pex_l0_prsnt_n_pdd0 { + nvidia,pins = "pex_l0_prsnt_n_pdd0"; + nvidia,function = "rsvd3"; + nvidia,pull = ; + nvidia,tristate = ; + }; + + /* LAN_V_BUS */ + pex_l0_clkreq_n_pdd2 { + nvidia,pins = "pex_l0_clkreq_n_pdd2"; + nvidia,function = "rsvd3"; + nvidia,pull = ; + nvidia,tristate = ; + }; }; }; @@ -345,6 +361,7 @@ usb-phy@7d004000 { status = "okay"; nvidia,is-wired = <1>; + vbus-supply = <&lan_vbus_reg>; }; clocks { @@ -382,5 +399,17 @@ regulator-max-microvolt = <5000000>; regulator-always-on; }; + + /* LAN_V_BUS */ + lan_vbus_reg: regulator@102 { + compatible = "regulator-fixed"; + reg = <102>; + regulator-name = "lan_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio TEGRA_GPIO(DD, 2) GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&charge_pump_5v0_reg>; + }; }; };