From patchwork Mon May 5 19:58:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gerlach X-Patchwork-Id: 4116901 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 53352BFF02 for ; Mon, 5 May 2014 20:01:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7106120204 for ; Mon, 5 May 2014 20:01:16 +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 971B2201FB for ; Mon, 5 May 2014 20:01:15 +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 1WhP2o-000573-0c; Mon, 05 May 2014 19:59:22 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WhP2l-00055W-6l for linux-arm-kernel@bombadil.infradead.org; Mon, 05 May 2014 19:59:19 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WhP2h-0001Pi-PA for linux-arm-kernel@lists.infradead.org; Mon, 05 May 2014 19:59:17 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s45JwRaT007385; Mon, 5 May 2014 14:58:27 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id s45JwRRl015843; Mon, 5 May 2014 14:58:27 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.174.1; Mon, 5 May 2014 14:58:27 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s45JwQMU020929; Mon, 5 May 2014 14:58:27 -0500 Received: from localhost (dave-ubuntu.am.dhcp.ti.com [128.247.71.186]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id s45JwQt08037; Mon, 5 May 2014 14:58:26 -0500 (CDT) From: Dave Gerlach To: , Subject: [PATCH 2/2] ARM: dts: am335x-evmsk: Add vtt_fixed regulator Date: Mon, 5 May 2014 14:58:29 -0500 Message-ID: <1399319909-53795-3-git-send-email-d-gerlach@ti.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1399319909-53795-1-git-send-email-d-gerlach@ti.com> References: <1399319909-53795-1-git-send-email-d-gerlach@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140505_205916_057593_A316AE48 X-CRM114-Status: UNSURE ( 8.98 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.6 (-------) Cc: Tony Lindgren , devicetree@vger.kernel.org, bcousson@baylibre.com 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,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 VTT regulator for DDR3 termination on the am335x-evmsk is controlled by a gpio. It is configured by the bootloader so here we define an always-on, fixed voltage regulator to hold the gpio. Signed-off-by: Dave Gerlach --- arch/arm/boot/dts/am335x-evmsk.dts | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index ab23885..d6b8acb 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -57,6 +57,17 @@ enable-active-high; }; + vtt_fixed: fixedregulator@3 { + compatible = "regulator-fixed"; + regulator-name = "vtt"; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; + gpio = <&gpio0 7 GPIO_ACTIVE_HIGH>; + regulator-always-on; + regulator-boot-on; + enable-active-high; + }; + leds { pinctrl-names = "default"; pinctrl-0 = <&user_leds_s0>;