diff options
| -rw-r--r-- | arch/arm/mach-mx3/devices.c | 27 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/devices.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/pcm037.c | 51 |
3 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c index 227a538bb941..f55c9863ea42 100644 --- a/arch/arm/mach-mx3/devices.c +++ b/arch/arm/mach-mx3/devices.c @@ -17,6 +17,7 @@ * Boston, MA 02110-1301, USA. */ +#include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/serial.h> @@ -349,6 +350,32 @@ struct platform_device mx3_fb = { }, }; +static struct resource otg_resources[] = { + { + .start = OTG_BASE_ADDR, + .end = OTG_BASE_ADDR + 0x1ff, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_USB3, + .end = MXC_INT_USB3, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 otg_dmamask = DMA_BIT_MASK(32); + +/* OTG gadget device */ +struct platform_device mxc_otg_udc_device = { + .name = "fsl-usb2-udc", + .id = -1, + .dev = { + .dma_mask = &otg_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = otg_resources, + .num_resources = ARRAY_SIZE(otg_resources), +}; + #ifdef CONFIG_ARCH_MX35 static struct resource mxc_fec_resources[] = { { diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h index 88c04b296fab..27779c3e93e7 100644 --- a/arch/arm/mach-mx3/devices.h +++ b/arch/arm/mach-mx3/devices.h @@ -14,3 +14,4 @@ extern struct platform_device mx3_fb; extern struct platform_device mxc_fec_device; extern struct platform_device mxcsdhc_device0; extern struct platform_device mxcsdhc_device1; +extern struct platform_device mxc_otg_udc_device; diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c index 5d7e0ca5c133..350cff5cc48a 100644 --- a/arch/arm/mach-mx3/pcm037.c +++ b/arch/arm/mach-mx3/pcm037.c @@ -31,6 +31,7 @@ #include <linux/delay.h> #include <linux/spi/spi.h> #include <linux/irq.h> +#include <linux/fsl_devices.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -131,6 +132,54 @@ static struct resource pcm037_flash_resource = { .flags = IORESOURCE_MEM, }; +static int usbotg_pins[] = { + MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, + MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, + MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, + MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, + MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, + MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, + MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, + MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, + MX31_PIN_USBOTG_CLK__USBOTG_CLK, + MX31_PIN_USBOTG_DIR__USBOTG_DIR, + MX31_PIN_USBOTG_NXT__USBOTG_NXT, + MX31_PIN_USBOTG_STP__USBOTG_STP, +}; + +/* USB OTG HS port */ +static int __init gpio_usbotg_hs_activate(void) +{ + int ret = mxc_iomux_setup_multiple_pins(usbotg_pins, + ARRAY_SIZE(usbotg_pins), "usbotg"); + + if (ret < 0) { + printk(KERN_ERR "Cannot set up OTG pins\n"); + return ret; + } + + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + + return 0; +} + +/* OTG config */ +static struct fsl_usb2_platform_data usb_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + static struct platform_device pcm037_flash = { .name = "physmap-flash", .id = 0, @@ -345,6 +394,8 @@ static void __init mxc_board_init(void) mxc_register_device(&mxcsdhc_device0, &sdhc_pdata); mxc_register_device(&mx3_ipu, &mx3_ipu_data); mxc_register_device(&mx3_fb, &mx3fb_pdata); + if (!gpio_usbotg_hs_activate()) + mxc_register_device(&mxc_otg_udc_device, &usb_pdata); } static void __init pcm037_timer_init(void) |