From patchwork Thu Dec 23 08:50:30 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felipe Balbi X-Patchwork-Id: 429231 X-Patchwork-Delegate: tony@atomide.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oBNJ5f4A026223 for ; Thu, 23 Dec 2010 19:06:12 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752636Ab0LWIui (ORCPT ); Thu, 23 Dec 2010 03:50:38 -0500 Received: from na3sys009aog113.obsmtp.com ([74.125.149.209]:40850 "EHLO na3sys009aog113.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752633Ab0LWIui (ORCPT ); Thu, 23 Dec 2010 03:50:38 -0500 Received: from source ([209.85.215.169]) (using TLSv1) by na3sys009aob113.postini.com ([74.125.148.12]) with SMTP ID DSNKTRMNXYUPMuRBUO6A8VZb9ClS3sOF8I4n@postini.com; Thu, 23 Dec 2010 00:50:37 PST Received: by eyh6 with SMTP id 6so108860eyh.28 for ; Thu, 23 Dec 2010 00:50:36 -0800 (PST) Received: by 10.213.17.1 with SMTP id q1mr6450109eba.9.1293094235685; Thu, 23 Dec 2010 00:50:35 -0800 (PST) Received: from localhost (cs181221087.pp.htv.fi [82.181.221.87]) by mx.google.com with ESMTPS id t50sm5408935eeh.12.2010.12.23.00.50.34 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 23 Dec 2010 00:50:35 -0800 (PST) From: Felipe Balbi To: Tony Lindgren Cc: Linux OMAP Mailing List , Linux ARM Kernel Mailing List , Srinath , Felipe Balbi Subject: [PATCH 1/2] arm: omap: craneboard: Add USB EHCI support Date: Thu, 23 Dec 2010 10:50:30 +0200 Message-Id: <1293094231-3270-1-git-send-email-balbi@ti.com> X-Mailer: git-send-email 1.7.3.4.598.g85356 In-Reply-To: <20101223084734.GA3149@legolas.emea.dhcp.ti.com> References: <20101223084734.GA3149@legolas.emea.dhcp.ti.com> Organization: Texas Instruments\n Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Thu, 23 Dec 2010 19:06:13 +0000 (UTC) diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c index 781ed25..71acb5a 100644 --- a/arch/arm/mach-omap2/board-am3517crane.c +++ b/arch/arm/mach-omap2/board-am3517crane.c @@ -19,6 +19,7 @@ #include #include +#include #include #include @@ -27,8 +28,14 @@ #include #include +#include #include "mux.h" +#include "control.h" + +#define GPIO_USB_POWER 35 +#define GPIO_USB_NRESET 38 + /* Board initialization */ static struct omap_board_config_kernel am3517_crane_config[] __initdata = { @@ -52,10 +59,51 @@ static void __init am3517_crane_init_irq(void) omap_init_irq(); } +static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { + .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, + .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + + .phy_reset = true, + .reset_gpio_port[0] = GPIO_USB_NRESET, + .reset_gpio_port[1] = -EINVAL, + .reset_gpio_port[2] = -EINVAL +}; + static void __init am3517_crane_init(void) { + int ret; + omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); omap_serial_init(); + + /* Configure GPIO for EHCI port */ + if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) { + pr_err("Can not configure mux for GPIO_USB_NRESET %d\n", + GPIO_USB_NRESET); + return; + } + + if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) { + pr_err("Can not configure mux for GPIO_USB_POWER %d\n", + GPIO_USB_POWER); + return; + } + + ret = gpio_request(GPIO_USB_POWER, "usb_ehci_enable"); + if (ret < 0) { + pr_err("Can not request GPIO %d\n", GPIO_USB_POWER); + return; + } + + ret = gpio_direction_output(GPIO_USB_POWER, 1); + if (ret < 0) { + gpio_free(GPIO_USB_POWER); + pr_err("Unable to initialize EHCI power\n"); + return; + } + + usb_ehci_init(&ehci_pdata); } MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")