Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755608Ab0DUPOA (ORCPT ); Wed, 21 Apr 2010 11:14:00 -0400 Received: from az33egw02.freescale.net ([192.88.158.103]:52969 "EHLO az33egw02.freescale.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755577Ab0DUPN5 (ORCPT ); Wed, 21 Apr 2010 11:13:57 -0400 From: Dinh.Nguyen@freescale.com To: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux@arm.linux.org.uk, s.hauer@pengutronix.de, valentin.longchamp@epfl.ch, daniel@caiaq.de, grant.likely@secretlab.ca, bryan.wu@canonical.com, amit.kucheria@canonical.com, Jun.Li@freescale.com, xiao-lizhang@freescale.com, Dinh Nguyen Subject: [PATCHv7 2.6.34-rc5 2/5] mx5: Add USB device definitions for Freescale MX51 Babbage HW Date: Wed, 21 Apr 2010 10:13:12 -0500 Message-Id: <1271862795-7986-2-git-send-email-Dinh.Nguyen@freescale.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1271862795-7986-1-git-send-email-Dinh.Nguyen@freescale.com> References: <1271862795-7986-1-git-send-email-Dinh.Nguyen@freescale.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3866 Lines: 126 From: Dinh Nguyen This patch is part of enabling USB for Freescale MX51 Babbage HW. This patch adds device structures for USB Host1 and OTG port, and adds clocking information for USB HW. This patch applies to 2.6.34-rc5. Signed-off-by: Dinh Nguyen --- arch/arm/mach-mx5/clock-mx51.c | 8 ++++++ arch/arm/mach-mx5/devices.c | 49 ++++++++++++++++++++++++++++++++++++++++ arch/arm/mach-mx5/devices.h | 2 + 3 files changed, 59 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c index 8f85f73..dcca330 100644 --- a/arch/arm/mach-mx5/clock-mx51.c +++ b/arch/arm/mach-mx5/clock-mx51.c @@ -761,6 +761,10 @@ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET, DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET, NULL, NULL, &ipg_clk, NULL); +/* USB */ +DEFINE_CLOCK(usboh3_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG14_OFFSET, + NULL, NULL, &pll3_sw_clk, NULL); + /* FEC */ DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET, NULL, NULL, &ipg_clk, NULL); @@ -778,6 +782,10 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) _REGISTER_CLOCK(NULL, "gpt", gpt_clk) _REGISTER_CLOCK("fec.0", NULL, fec_clk) + _REGISTER_CLOCK("mxc-ehci.0", "usb", usboh3_clk) + _REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", ahb_clk) + _REGISTER_CLOCK("mxc-ehci.1", "usb", usboh3_clk) + _REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", ahb_clk) }; static void clk_tree_init(void) diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c index 5070ae1..e6262f3 100644 --- a/arch/arm/mach-mx5/devices.c +++ b/arch/arm/mach-mx5/devices.c @@ -11,6 +11,7 @@ */ #include +#include #include #include #include @@ -92,6 +93,54 @@ struct platform_device mxc_fec_device = { .resource = mxc_fec_resources, }; +static u64 usb_dma_mask = DMA_BIT_MASK(32); + +static struct resource usbotg_resources[] = { + { + .start = MX51_OTG_BASE_ADDR, + .end = MX51_OTG_BASE_ADDR + 0x1ff, + .flags = IORESOURCE_MEM, + }, + { + .start = MX51_MXC_INT_USB_OTG, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_usbdr_host_device = { + .name = "mxc-ehci", + .id = 0, + .num_resources = ARRAY_SIZE(usbotg_resources), + .resource = usbotg_resources, + .dev = { + .dma_mask = &usb_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct resource usbh1_resources[] = { + { + .start = MX51_OTG_BASE_ADDR + 0x200, + .end = MX51_OTG_BASE_ADDR + 0x200 + 0x1ff, + .flags = IORESOURCE_MEM, + }, + { + .start = MX51_MXC_INT_USB_H1, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_usbh1_device = { + .name = "mxc-ehci", + .id = 1, + .num_resources = ARRAY_SIZE(usbh1_resources), + .resource = usbh1_resources, + .dev = { + .dma_mask = &usb_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + static struct mxc_gpio_port mxc_gpio_ports[] = { { .chip.label = "gpio-0", diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h index f339ab8..95c45f9 100644 --- a/arch/arm/mach-mx5/devices.h +++ b/arch/arm/mach-mx5/devices.h @@ -2,3 +2,5 @@ extern struct platform_device mxc_uart_device0; extern struct platform_device mxc_uart_device1; extern struct platform_device mxc_uart_device2; extern struct platform_device mxc_fec_device; +extern struct platform_device mxc_usbdr_host_device; +extern struct platform_device mxc_usbh1_device; -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/