From patchwork Mon Aug 8 20:35:15 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Warren X-Patchwork-Id: 1046782 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p78Kb3cN024928 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 8 Aug 2011 20:37:25 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QqWYs-0000ZU-Ri; Mon, 08 Aug 2011 20:36:36 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QqWYr-0002VW-Uc; Mon, 08 Aug 2011 20:36:33 +0000 Received: from avon.wwwdotorg.org ([2001:470:1f0f:bd7::2]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QqWY3-0002IM-EO for linux-arm-kernel@lists.infradead.org; Mon, 08 Aug 2011 20:35:44 +0000 Received: from severn.wwwdotorg.org (unknown [192.168.65.5]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by avon.wwwdotorg.org (Postfix) with ESMTPS id D7F15625B; Mon, 8 Aug 2011 14:36:32 -0600 (MDT) Received: from localhost.localdomain (searspoint.nvidia.com [216.228.112.21]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by severn.wwwdotorg.org (Postfix) with ESMTPSA id 436A2E40EB; Mon, 8 Aug 2011 14:35:37 -0600 (MDT) From: Stephen Warren To: Colin Cross , Erik Gilling , Arnd Bergmann Subject: [PATCH v2 3/3] ARM: Tegra: Seaboard: Add USB devices Date: Mon, 8 Aug 2011 14:35:15 -0600 Message-Id: <1312835715-893-4-git-send-email-swarren@nvidia.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1312835715-893-1-git-send-email-swarren@nvidia.com> References: <1312835715-893-1-git-send-email-swarren@nvidia.com> X-Virus-Scanned: clamav-milter 0.96.5 at avon.wwwdotorg.org X-Virus-Status: Clean X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110808_163543_702462_939168B5 X-CRM114-Status: GOOD ( 15.58 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- Cc: linux-tegra@vger.kernel.org, Stephen Warren , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 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 X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Mon, 08 Aug 2011 20:37:25 +0000 (UTC) Seaboard has a couple of external USB ports. Add the platform devices and GPIO infra-structure to enable these. I tested both ports with a mouse on Seaboard non-clamshell. This change is extracted from code in the ChromeOS 2.6.38 kernel. Signed-off-by: Stephen Warren --- v2: No change arch/arm/mach-tegra/board-seaboard-pinmux.c | 1 + arch/arm/mach-tegra/board-seaboard.c | 27 +++++++++++++++++++++++++++ 2 files changed, 28 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-tegra/board-seaboard-pinmux.c b/arch/arm/mach-tegra/board-seaboard-pinmux.c index 7879750..74f78b7 100644 --- a/arch/arm/mach-tegra/board-seaboard-pinmux.c +++ b/arch/arm/mach-tegra/board-seaboard-pinmux.c @@ -168,6 +168,7 @@ static struct tegra_gpio_table gpio_table[] = { { .gpio = TEGRA_GPIO_POWERKEY, .enable = true }, { .gpio = TEGRA_GPIO_ISL29018_IRQ, .enable = true }, { .gpio = TEGRA_GPIO_CDC_IRQ, .enable = true }, + { .gpio = TEGRA_GPIO_USB1, .enable = true }, }; void __init seaboard_pinmux_init(void) diff --git a/arch/arm/mach-tegra/board-seaboard.c b/arch/arm/mach-tegra/board-seaboard.c index 07cd8e4..237a94a 100644 --- a/arch/arm/mach-tegra/board-seaboard.c +++ b/arch/arm/mach-tegra/board-seaboard.c @@ -69,6 +69,8 @@ static __initdata struct tegra_clk_init_table seaboard_clk_init_table[] = { { "pll_a_out0", "pll_a", 11289600, true }, { "cdev1", NULL, 0, true }, { "i2s1", "pll_a_out0", 11289600, false}, + { "usbd", "clk_m", 12000000, true}, + { "usb3", "clk_m", 12000000, true}, { NULL, NULL, 0, 0}, }; @@ -182,6 +184,29 @@ static struct i2c_board_info __initdata wm8903_device = { .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ), }; +static int seaboard_ehci_init(void) +{ + int gpio_status; + + gpio_status = gpio_request(TEGRA_GPIO_USB1, "VBUS_USB1"); + if (gpio_status < 0) { + pr_err("VBUS_USB1 request GPIO FAILED\n"); + WARN_ON(1); + } + + gpio_status = gpio_direction_output(TEGRA_GPIO_USB1, 1); + if (gpio_status < 0) { + pr_err("VBUS_USB1 request GPIO DIRECTION FAILED\n"); + WARN_ON(1); + } + gpio_set_value(TEGRA_GPIO_USB1, 1); + + platform_device_register(&tegra_ehci1_device); + platform_device_register(&tegra_ehci3_device); + + return 0; +} + static void __init seaboard_i2c_init(void) { gpio_request(TEGRA_GPIO_ISL29018_IRQ, "isl29018"); @@ -209,6 +234,8 @@ static void __init seaboard_common_init(void) tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4; platform_add_devices(seaboard_devices, ARRAY_SIZE(seaboard_devices)); + + seaboard_ehci_init(); } static void __init tegra_seaboard_init(void)