From patchwork Sat Nov 17 14:46:12 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 1759561 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 870693FCAE for ; Sat, 17 Nov 2012 14:48:36 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TZjfM-0002lM-DU; Sat, 17 Nov 2012 14:46:40 +0000 Received: from londo.lunn.ch ([80.238.139.98]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TZjfA-0002kH-9B for linux-arm-kernel@lists.infradead.org; Sat, 17 Nov 2012 14:46:28 +0000 Received: from lunn by londo.lunn.ch with local (Exim 3.36 #1 (Debian)) id 1TZjf4-0001fs-00; Sat, 17 Nov 2012 15:46:22 +0100 From: Andrew Lunn To: Jason Cooper Subject: [PATCH 3/5] ARM: Kirkwood: Convert Dockstar to use regulators Date: Sat, 17 Nov 2012 15:46:12 +0100 Message-Id: <1353163574-6362-4-git-send-email-andrew@lunn.ch> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1353163574-6362-1-git-send-email-andrew@lunn.ch> References: <1353163574-6362-1-git-send-email-andrew@lunn.ch> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121117_094628_568520_DF409B28 X-CRM114-Status: UNSURE ( 9.76 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Andrew Lunn , linux ARM X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Control the power to USB using a fixed regulator. Signed-off-by: Andrew Lunn --- arch/arm/boot/dts/kirkwood-dockstar.dts | 17 +++++++++++++++++ arch/arm/mach-kirkwood/board-dockstar.c | 4 ---- 2 files changed, 17 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/kirkwood-dockstar.dts b/arch/arm/boot/dts/kirkwood-dockstar.dts index 08a5824..c0fbfdc 100644 --- a/arch/arm/boot/dts/kirkwood-dockstar.dts +++ b/arch/arm/boot/dts/kirkwood-dockstar.dts @@ -54,4 +54,21 @@ gpios = <&gpio1 15 1>; }; }; + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + usb_power: regulator@1 { + compatible = "regulator-fixed"; + reg = <1>; + regulator-name = "USB Power"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + enable-active-high; + regulator-always-on; + regulator-boot-on; + gpio = <&gpio0 29 0>; + }; + }; }; diff --git a/arch/arm/mach-kirkwood/board-dockstar.c b/arch/arm/mach-kirkwood/board-dockstar.c index f2fbb02..5c60fa1 100644 --- a/arch/arm/mach-kirkwood/board-dockstar.c +++ b/arch/arm/mach-kirkwood/board-dockstar.c @@ -24,7 +24,6 @@ #include #include #include -#include #include #include #include @@ -52,9 +51,6 @@ void __init dockstar_dt_init(void) */ kirkwood_mpp_conf(dockstar_mpp_config); - if (gpio_request(29, "USB Power Enable") != 0 || - gpio_direction_output(29, 1) != 0) - pr_err("can't setup GPIO 29 (USB Power Enable)\n"); kirkwood_ehci_init(); kirkwood_ge00_init(&dockstar_ge00_data);