diff options
| -rw-r--r-- | arch/arm/mach-mx2/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx2/mach-cpuimx27.c | 77 |
2 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig index 9d3a9091dd74..3f756f4ad050 100644 --- a/arch/arm/mach-mx2/Kconfig +++ b/arch/arm/mach-mx2/Kconfig @@ -59,6 +59,7 @@ endchoice config MACH_CPUIMX27 bool "Eukrea CPUIMX27 module" depends on MACH_MX27 + select MXC_ULPI if USB_ULPI help Include support for Eukrea CPUIMX27 platform. This includes specific configurations for the module and its peripherals. diff --git a/arch/arm/mach-mx2/mach-cpuimx27.c b/arch/arm/mach-mx2/mach-cpuimx27.c index a3449ed7c45c..19877f13b89b 100644 --- a/arch/arm/mach-mx2/mach-cpuimx27.c +++ b/arch/arm/mach-mx2/mach-cpuimx27.c @@ -26,6 +26,9 @@ #include <linux/mtd/physmap.h> #include <linux/platform_device.h> #include <linux/serial_8250.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> @@ -39,6 +42,8 @@ #include <mach/iomux-mx27.h> #include <mach/imx-uart.h> #include <mach/mxc_nand.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> #include "devices.h" @@ -93,6 +98,32 @@ static int eukrea_cpuimx27_pins[] = { GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN, GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN, #endif + /* OTG */ + PC7_PF_USBOTG_DATA5, + PC8_PF_USBOTG_DATA6, + PC9_PF_USBOTG_DATA0, + PC10_PF_USBOTG_DATA2, + PC11_PF_USBOTG_DATA1, + PC12_PF_USBOTG_DATA4, + PC13_PF_USBOTG_DATA3, + PE0_PF_USBOTG_NXT, + PE1_PF_USBOTG_STP, + PE2_PF_USBOTG_DIR, + PE24_PF_USBOTG_CLK, + PE25_PF_USBOTG_DATA7, + /* USBH2 */ + PA0_PF_USBH2_CLK, + PA1_PF_USBH2_DIR, + PA2_PF_USBH2_DATA7, + PA3_PF_USBH2_NXT, + PA4_PF_USBH2_STP, + PD19_AF_USBH2_DATA4, + PD20_AF_USBH2_DATA3, + PD21_AF_USBH2_DATA6, + PD22_AF_USBH2_DATA0, + PD23_AF_USBH2_DATA2, + PD24_AF_USBH2_DATA1, + PD26_AF_USBH2_DATA5, }; static struct physmap_flash_data eukrea_cpuimx27_flash_data = { @@ -186,6 +217,36 @@ static struct platform_device serial_device = { }; #endif +static struct mxc_usbh_platform_data otg_pdata = { + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct mxc_usbh_platform_data usbh2_pdata = { + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct fsl_usb2_platform_data otg_device_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + +static int otg_mode_host; + +static int __init eukrea_cpuimx27_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=", eukrea_cpuimx27_otg_mode); + static void __init eukrea_cpuimx27_init(void) { mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins, @@ -216,6 +277,22 @@ static void __init eukrea_cpuimx27_init(void) platform_device_register(&serial_device); #endif +#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); + } + + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_usbh2, &usbh2_pdata); +#endif + if (!otg_mode_host) + mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); + #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD eukrea_mbimx27_baseboard_init(); #endif |