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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-02-04 14:32:53 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-02-04 21:28:12 +0100 |
| commit | cb2dc111b156eb41f61ed4e5b3a3a5df90526d9d (patch) | |
| tree | 40d6cb10ddc1b8c039ea8eca085bb03836cb6d3f /arch | |
| parent | ee14373cdc91fbc9ad8db0bf38e28d58f577b181 (diff) | |
| download | linux-cb2dc111b156eb41f61ed4e5b3a3a5df90526d9d.tar.gz linux-cb2dc111b156eb41f61ed4e5b3a3a5df90526d9d.tar.bz2 linux-cb2dc111b156eb41f61ed4e5b3a3a5df90526d9d.zip | |
i.MX27 pca100: Add USB support
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx3/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mach-pcm043.c | 53 |
2 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig index 2232b7b04b6d..3872af1cf2c3 100644 --- a/arch/arm/mach-mx3/Kconfig +++ b/arch/arm/mach-mx3/Kconfig @@ -87,6 +87,7 @@ config MACH_QONG config MACH_PCM043 bool "Support Phytec pcm043 (i.MX35) platforms" select ARCH_MX35 + select MXC_ULPI if USB_ULPI help Include support for Phytec pcm043 platform. This includes specific configurations for the board and its peripherals. diff --git a/arch/arm/mach-mx3/mach-pcm043.c b/arch/arm/mach-mx3/mach-pcm043.c index 25942b8e8bed..a9741c2b379f 100644 --- a/arch/arm/mach-mx3/mach-pcm043.c +++ b/arch/arm/mach-mx3/mach-pcm043.c @@ -28,6 +28,9 @@ #include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/i2c/at24.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/fsl_devices.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -44,6 +47,8 @@ #include <mach/ipu.h> #include <mach/mx3fb.h> #include <mach/mxc_nand.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> #include "devices.h" @@ -205,6 +210,9 @@ static struct pad_desc pcm043_pads[] = { MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS, /* gpio */ MX35_PAD_ATA_CS0__GPIO2_6, + /* USB host */ + MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR, + MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC, }; static struct mxc_nand_platform_data pcm037_nand_board_info = { @@ -212,6 +220,37 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = { .hw_ecc = 1, }; +static struct mxc_usbh_platform_data otg_pdata = { + .portsc = MXC_EHCI_MODE_UTMI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct mxc_usbh_platform_data usbh1_pdata = { + .portsc = MXC_EHCI_MODE_SERIAL, + .flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY | + MXC_EHCI_IPPUE_DOWN, +}; + +static struct fsl_usb2_platform_data otg_device_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_UTMI, +}; + +static int otg_mode_host; + +static int __init pcm043_otg_mode(char *options) +{ + if (!strcmp(options, "host")) + otg_mode_host = 1; + else if (!strcmp(options, "device")) + otg_mode_host = 0; + else + pr_info("otg_mode neither \"host\" nor \"device\". " + "Defaulting to device\n"); + return 0; +} +__setup("otg_mode=", pcm043_otg_mode); + /* * Board specific initialization. */ @@ -235,6 +274,20 @@ static void __init mxc_board_init(void) mxc_register_device(&mx3_ipu, &mx3_ipu_data); mxc_register_device(&mx3_fb, &mx3fb_pdata); + +#if defined(CONFIG_USB_ULPI) + if (otg_mode_host) { + otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_otg_host, &otg_pdata); + } + + mxc_register_device(&mxc_usbh1, &usbh1_pdata); +#endif + if (!otg_mode_host) + mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); + } static void __init pcm043_timer_init(void) |