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-rw-r--r--arch/arm/mach-mx3/devices.c27
-rw-r--r--arch/arm/mach-mx3/devices.h1
-rw-r--r--arch/arm/mach-mx3/pcm037.c51
3 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index 227a538bb94..f55c9863ea4 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 88c04b296fa..27779c3e93e 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 5d7e0ca5c13..350cff5cc48 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)