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Diffstat (limited to 'arch/arm/mach-imx/mach-cpuimx27.c')
-rw-r--r--arch/arm/mach-imx/mach-cpuimx27.c95
1 files changed, 91 insertions, 4 deletions
diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c
index 09cc0c5c251..2a135449e52 100644
--- a/arch/arm/mach-imx/mach-cpuimx27.c
+++ b/arch/arm/mach-imx/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>
@@ -37,6 +40,8 @@
#include <mach/hardware.h>
#include <mach/iomux-mx27.h>
#include <mach/mxc_nand.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
#include "devices-imx27.h"
#include "devices.h"
@@ -48,10 +53,12 @@ static int eukrea_cpuimx27_pins[] = {
PE14_PF_UART1_CTS,
PE15_PF_UART1_RTS,
/* UART4 */
+#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
PB26_AF_UART4_RTS,
PB28_AF_UART4_TXD,
PB29_AF_UART4_CTS,
PB31_AF_UART4_RXD,
+#endif
/* FEC */
PD0_AIN_FEC_TXD0,
PD1_AIN_FEC_TXD1,
@@ -75,19 +82,47 @@ static int eukrea_cpuimx27_pins[] = {
PD17_PF_I2C_DATA,
PD18_PF_I2C_CLK,
/* SDHC2 */
+#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
PB4_PF_SD2_D0,
PB5_PF_SD2_D1,
PB6_PF_SD2_D2,
PB7_PF_SD2_D3,
PB8_PF_SD2_CMD,
PB9_PF_SD2_CLK,
+#endif
#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
/* Quad UART's IRQ */
- GPIO_PORTD | 22 | GPIO_GPIO | GPIO_IN,
- GPIO_PORTD | 23 | GPIO_GPIO | GPIO_IN,
- GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN,
- GPIO_PORTD | 30 | GPIO_GPIO | GPIO_IN,
+ GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN,
+ GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN,
+ 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 = {
@@ -123,6 +158,8 @@ cpuimx27_nand_board_info __initconst = {
static struct platform_device *platform_devices[] __initdata = {
&eukrea_cpuimx27_nor_mtd_device,
&mxc_fec_device,
+ &mxc_wdt,
+ &mxc_w1_master_device,
};
static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = {
@@ -178,6 +215,38 @@ static struct platform_device serial_device = {
};
#endif
+#if defined(CONFIG_USB_ULPI)
+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,
+};
+#endif
+
+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,
@@ -197,6 +266,8 @@ static void __init eukrea_cpuimx27_init(void)
#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
/* SDHC2 can be used for Wifi */
mxc_register_device(&mxc_sdhc_device1, NULL);
+#endif
+#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
/* in which case UART4 is also used for Bluetooth */
imx27_add_imx_uart3(&uart_pdata);
#endif
@@ -205,6 +276,22 @@ 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