diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard-smartbot.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31moboard-smartbot.c | 53 |
1 files changed, 48 insertions, 5 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard-smartbot.c b/arch/arm/mach-mx3/mx31moboard-smartbot.c index 52a69fc..293eea6 100644 --- a/arch/arm/mach-mx3/mx31moboard-smartbot.c +++ b/arch/arm/mach-mx3/mx31moboard-smartbot.c @@ -23,11 +23,18 @@ #include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/types.h> +#include <linux/fsl_devices.h> + +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> #include <mach/common.h> #include <mach/hardware.h> #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> +#include <mach/board-mx31moboard.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> #include <media/soc_camera.h> @@ -116,10 +123,33 @@ static int __init smartbot_cam_init(void) return 0; } +static struct fsl_usb2_platform_data usb_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + +#if defined(CONFIG_USB_ULPI) + +static struct mxc_usbh_platform_data otg_host_pdata = { + .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, + .flags = MXC_EHCI_POWER_PINS_ENABLED, +}; + +static int __init smartbot_otg_host_init(void) +{ + otg_host_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + return mxc_register_device(&mxc_otg_host, &otg_host_pdata); +} +#else +static inline int smartbot_otg_host_init(void) { return 0; } +#endif + #define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1) #define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1) #define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1) -#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1) +#define TRSLAT_SRC_CHOICE IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1) static void smartbot_resets_init(void) { @@ -138,15 +168,15 @@ static void smartbot_resets_init(void) gpio_export(TRSLAT_RST_B, false); } - if (!gpio_request(SEL3, "sel3")) { - gpio_direction_input(SEL3); - gpio_export(SEL3, true); + if (!gpio_request(TRSLAT_SRC_CHOICE, "translator-src-choice")) { + gpio_direction_output(TRSLAT_SRC_CHOICE, 0); + gpio_export(TRSLAT_SRC_CHOICE, false); } } /* * system init for baseboard usage. Will be called by mx31moboard init. */ -void __init mx31moboard_smartbot_init(void) +void __init mx31moboard_smartbot_init(int board) { printk(KERN_INFO "Initializing mx31smartbot peripherals\n"); @@ -155,6 +185,19 @@ void __init mx31moboard_smartbot_init(void) mxc_register_device(&mxc_uart_device1, &uart_pdata); + + switch (board) { + case MX31SMARTBOT: + mxc_register_device(&mxc_otg_udc_device, &usb_pdata); + break; + case MX31EYEBOT: + smartbot_otg_host_init(); + break; + default: + printk(KERN_WARNING "Unknown board %d, USB OTG not initialized", + board); + } + smartbot_resets_init(); smartbot_cam_init(); |