From patchwork Sat Nov 17 14:46:14 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 1759571 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 9F141DF2A2 for ; Sat, 17 Nov 2012 14:48:38 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TZjfY-0002nH-Su; Sat, 17 Nov 2012 14:46:52 +0000 Received: from londo.lunn.ch ([80.238.139.98]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TZjfD-0002ke-5r for linux-arm-kernel@lists.infradead.org; Sat, 17 Nov 2012 14:46:32 +0000 Received: from lunn by londo.lunn.ch with local (Exim 3.36 #1 (Debian)) id 1TZjf8-0001g6-00; Sat, 17 Nov 2012 15:46:26 +0100 From: Andrew Lunn To: Jason Cooper Subject: [PATCH 5/5] ARM: Kirkwood: Convert LSXL to use regulators Date: Sat, 17 Nov 2012 15:46:14 +0100 Message-Id: <1353163574-6362-6-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_094631_494742_6E1519D4 X-CRM114-Status: GOOD ( 10.28 ) 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 and HDD using a fixed regulator. Signed-off-by: Andrew Lunn Tested-by: Michael Walle --- arch/arm/boot/dts/kirkwood-lsxl.dtsi | 29 +++++++++++++++++++++++++++++ arch/arm/mach-kirkwood/board-lsxl.c | 8 -------- 2 files changed, 29 insertions(+), 8 deletions(-) diff --git a/arch/arm/boot/dts/kirkwood-lsxl.dtsi b/arch/arm/boot/dts/kirkwood-lsxl.dtsi index 8fea375..65a8c52 100644 --- a/arch/arm/boot/dts/kirkwood-lsxl.dtsi +++ b/arch/arm/boot/dts/kirkwood-lsxl.dtsi @@ -94,4 +94,33 @@ gpios = <&gpio1 16 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 11 0>; + }; + hdd_power: regulator@2 { + compatible = "regulator-fixed"; + reg = <2>; + regulator-name = "HDD Power"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + enable-active-high; + regulator-always-on; + regulator-boot-on; + gpio = <&gpio0 10 0>; + }; + }; }; diff --git a/arch/arm/mach-kirkwood/board-lsxl.c b/arch/arm/mach-kirkwood/board-lsxl.c index 83d8975..b9845c0 100644 --- a/arch/arm/mach-kirkwood/board-lsxl.c +++ b/arch/arm/mach-kirkwood/board-lsxl.c @@ -19,7 +19,6 @@ #include #include #include -#include #include #include #include @@ -111,9 +110,6 @@ static void lsxl_power_off(void) kirkwood_restart('h', NULL); } -#define LSXL_GPIO_HDD_POWER 10 -#define LSXL_GPIO_USB_POWER 11 - void __init lsxl_init(void) { /* @@ -121,10 +117,6 @@ void __init lsxl_init(void) */ kirkwood_mpp_conf(lsxl_mpp_config); - /* usb and sata power on */ - gpio_set_value(LSXL_GPIO_USB_POWER, 1); - gpio_set_value(LSXL_GPIO_HDD_POWER, 1); - kirkwood_ehci_init(); kirkwood_ge00_init(&lsxl_ge00_data); kirkwood_ge01_init(&lsxl_ge01_data);