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authorSascha Hauer <s.hauer@pengutronix.de>2010-02-04 14:32:53 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2010-02-04 21:28:12 +0100
commitcb2dc111b156eb41f61ed4e5b3a3a5df90526d9d (patch)
tree40d6cb10ddc1b8c039ea8eca085bb03836cb6d3f /arch/arm/mach-mx3
parentee14373cdc91fbc9ad8db0bf38e28d58f577b181 (diff)
i.MX27 pca100: Add USB support
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r--arch/arm/mach-mx3/Kconfig1
-rw-r--r--arch/arm/mach-mx3/mach-pcm043.c53
2 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 2232b7b04b6..3872af1cf2c 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -87,6 +87,7 @@ config MACH_QONG
config MACH_PCM043
bool "Support Phytec pcm043 (i.MX35) platforms"
select ARCH_MX35
+ select MXC_ULPI if USB_ULPI
help
Include support for Phytec pcm043 platform. This includes
specific configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx3/mach-pcm043.c b/arch/arm/mach-mx3/mach-pcm043.c
index 25942b8e8be..a9741c2b379 100644
--- a/arch/arm/mach-mx3/mach-pcm043.c
+++ b/arch/arm/mach-mx3/mach-pcm043.c
@@ -28,6 +28,9 @@
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.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>
@@ -44,6 +47,8 @@
#include <mach/ipu.h>
#include <mach/mx3fb.h>
#include <mach/mxc_nand.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
#include "devices.h"
@@ -205,6 +210,9 @@ static struct pad_desc pcm043_pads[] = {
MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
/* gpio */
MX35_PAD_ATA_CS0__GPIO2_6,
+ /* USB host */
+ MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
+ MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
};
static struct mxc_nand_platform_data pcm037_nand_board_info = {
@@ -212,6 +220,37 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = {
.hw_ecc = 1,
};
+static struct mxc_usbh_platform_data otg_pdata = {
+ .portsc = MXC_EHCI_MODE_UTMI,
+ .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct mxc_usbh_platform_data usbh1_pdata = {
+ .portsc = MXC_EHCI_MODE_SERIAL,
+ .flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
+ MXC_EHCI_IPPUE_DOWN,
+};
+
+static struct fsl_usb2_platform_data otg_device_pdata = {
+ .operating_mode = FSL_USB2_DR_DEVICE,
+ .phy_mode = FSL_USB2_PHY_UTMI,
+};
+
+static int otg_mode_host;
+
+static int __init pcm043_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=", pcm043_otg_mode);
+
/*
* Board specific initialization.
*/
@@ -235,6 +274,20 @@ static void __init mxc_board_init(void)
mxc_register_device(&mx3_ipu, &mx3_ipu_data);
mxc_register_device(&mx3_fb, &mx3fb_pdata);
+
+#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);
+ }
+
+ mxc_register_device(&mxc_usbh1, &usbh1_pdata);
+#endif
+ if (!otg_mode_host)
+ mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
+
}
static void __init pcm043_timer_init(void)