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Diffstat (limited to 'arch/arm/mach-mx25/usb_h2.c')
-rw-r--r--arch/arm/mach-mx25/usb_h2.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/usb_h2.c b/arch/arm/mach-mx25/usb_h2.c
new file mode 100644
index 000000000000..ba29172df3a8
--- /dev/null
+++ b/arch/arm/mach-mx25/usb_h2.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2005-2010 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 <linux/regulator/consumer.h>
+#include <mach/hardware.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, /* via RT9702 */
+ .gpio_usb_active = gpio_usbh2_active,
+ .gpio_usb_inactive = gpio_usbh2_inactive,
+ .transceiver = "serial", /* on-chip */
+};
+
+static struct resource usbh2_resources[] = {
+ [0] = {
+ .start = (u32) (USB_H2REGS_BASE),
+ .end = (u32) (USB_H2REGS_BASE + 0x1ff),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = MX25_INT_USB_HTG,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+void usbh2_get_xcvr_power(struct device *dev)
+{
+ struct regulator *usbh2_regux;
+
+ usbh2_regux = regulator_get(dev, "GPO1");
+ regulator_enable(usbh2_regux);
+ ((struct fsl_usb2_platform_data *)dev->platform_data)->
+ xcvr_pwr->regu1 = usbh2_regux;
+
+ usbh2_regux = regulator_get(dev, "GPO3");
+ regulator_enable(usbh2_regux);
+ ((struct fsl_usb2_platform_data *)dev->platform_data)->
+ xcvr_pwr->regu2 = usbh2_regux;
+}
+EXPORT_SYMBOL(usbh2_get_xcvr_power);
+
+void usbh2_put_xcvr_power(struct device *dev)
+{
+ struct regulator *usbh2_regux;
+
+ usbh2_regux = ((struct fsl_usb2_platform_data *)dev->
+ platform_data)->xcvr_pwr->regu2;
+ regulator_disable(usbh2_regux);
+ regulator_put(usbh2_regux);
+
+ usbh2_regux = ((struct fsl_usb2_platform_data *)dev->
+ platform_data)->xcvr_pwr->regu1;
+ regulator_disable(usbh2_regux);
+ regulator_put(usbh2_regux);
+}
+EXPORT_SYMBOL(usbh2_put_xcvr_power);
+
+static int __init usbh2_init(void)
+{
+ pr_debug("%s: \n", __func__);
+
+ host_pdev_register(usbh2_resources, ARRAY_SIZE(usbh2_resources),
+ &usbh2_config);
+ return 0;
+}
+module_init(usbh2_init);