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Diffstat (limited to 'arch/arm/mach-mx35/usb_h2.c')
-rw-r--r--arch/arm/mach-mx35/usb_h2.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm/mach-mx35/usb_h2.c b/arch/arm/mach-mx35/usb_h2.c
new file mode 100644
index 000000000000..d78deb09bf2a
--- /dev/null
+++ b/arch/arm/mach-mx35/usb_h2.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/fsl_devices.h>
+#include <linux/usb/fsl_xcvr.h>
+
+#include <mach/arc_otg.h>
+#include "usb.h"
+
+static struct fsl_usb2_platform_data usbh2_config = {
+ .name = "Host 2",
+ .platform_init = fsl_usb_host_init,
+ .platform_uninit = fsl_usb_host_uninit,
+ .operating_mode = FSL_USB2_MPH_HOST,
+ .phy_mode = FSL_USB2_PHY_SERIAL,
+ .power_budget = 500, /* 500 mA max power */
+ .gpio_usb_active = gpio_usbh2_active,
+ .gpio_usb_inactive = gpio_usbh2_inactive,
+ .transceiver = "serial",
+};
+
+static struct resource usbh2_resources[] = {
+ [0] = {
+ .start = (u32) (USB_H2REGS_BASE),
+ .end = (u32) (USB_H2REGS_BASE + 0x1ff),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = MXC_INT_USB_HS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+
+static int __init usbh2_init(void)
+{
+ pr_debug("%s: \n", __func__);
+
+ /* i.MX35 1.0 should work in INCR mode */
+ if (cpu_is_mx35_rev(CHIP_REV_2_0) < 0) {
+ usbh2_config.change_ahb_burst = 1;
+ usbh2_config.ahb_burst_mode = 0;
+ }
+
+ host_pdev_register(usbh2_resources, ARRAY_SIZE(usbh2_resources),
+ &usbh2_config);
+ return 0;
+}
+module_init(usbh2_init);