zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/usb-musb.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/usb-musb.c
new file mode 100644
index 0000000..8d5ed77
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/usb-musb.c
@@ -0,0 +1,125 @@
+/*
+ * linux/arch/arm/mach-omap2/usb-musb.c
+ *
+ * This file will contain the board specific details for the
+ * MENTOR USB OTG controller on OMAP3430
+ *
+ * Copyright (C) 2007-2008 Texas Instruments
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Vikram Pandita
+ *
+ * Generalization by:
+ * Felipe Balbi <felipe.balbi@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/dma-mapping.h>
+#include <linux/io.h>
+
+#include <linux/usb/musb.h>
+
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+#include <mach/am35xx.h>
+#include <plat/usb.h>
+#include <plat/omap_device.h>
+#include "mux.h"
+
+static struct musb_hdrc_config musb_config = {
+ .multipoint = 1,
+ .dyn_fifo = 1,
+ .num_eps = 16,
+ .ram_bits = 12,
+};
+
+static struct musb_hdrc_platform_data musb_plat = {
+#ifdef CONFIG_USB_MUSB_OTG
+ .mode = MUSB_OTG,
+#elif defined(CONFIG_USB_MUSB_HDRC_HCD)
+ .mode = MUSB_HOST,
+#elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
+ .mode = MUSB_PERIPHERAL,
+#endif
+ /* .clock is set dynamically */
+ .config = &musb_config,
+
+ /* REVISIT charge pump on TWL4030 can supply up to
+ * 100 mA ... but this value is board-specific, like
+ * "mode", and should be passed to usb_musb_init().
+ */
+ .power = 50, /* up to 100 mA */
+};
+
+static u64 musb_dmamask = DMA_BIT_MASK(32);
+
+static struct omap_musb_board_data musb_default_board_data = {
+ .interface_type = MUSB_INTERFACE_ULPI,
+ .mode = MUSB_OTG,
+ .power = 100,
+};
+
+void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
+{
+ struct omap_hwmod *oh;
+ struct platform_device *pdev;
+ struct device *dev;
+ int bus_id = -1;
+ const char *oh_name, *name;
+ struct omap_musb_board_data *board_data;
+
+ if (musb_board_data)
+ board_data = musb_board_data;
+ else
+ board_data = &musb_default_board_data;
+
+ /*
+ * REVISIT: This line can be removed once all the platforms using
+ * musb_core.c have been converted to use use clkdev.
+ */
+ musb_plat.clock = "ick";
+ musb_plat.board_data = board_data;
+ musb_plat.power = board_data->power >> 1;
+ musb_plat.mode = board_data->mode;
+ musb_plat.extvbus = board_data->extvbus;
+
+ if (cpu_is_omap3517() || cpu_is_omap3505()) {
+ oh_name = "am35x_otg_hs";
+ name = "musb-am35x";
+ } else if (cpu_is_ti81xx()) {
+ oh_name = "usb_otg_hs";
+ name = "musb-ti81xx";
+ } else {
+ oh_name = "usb_otg_hs";
+ name = "musb-omap2430";
+ }
+
+ oh = omap_hwmod_lookup(oh_name);
+ if (WARN(!oh, "%s: could not find omap_hwmod for %s\n",
+ __func__, oh_name))
+ return;
+
+ pdev = omap_device_build(name, bus_id, oh, &musb_plat,
+ sizeof(musb_plat), NULL, 0, false);
+ if (IS_ERR(pdev)) {
+ pr_err("Could not build omap_device for %s %s\n",
+ name, oh_name);
+ return;
+ }
+
+ dev = &pdev->dev;
+ get_device(dev);
+ dev->dma_mask = &musb_dmamask;
+ dev->coherent_dma_mask = musb_dmamask;
+ put_device(dev);
+
+ if (cpu_is_omap44xx())
+ omap4430_phy_init(dev);
+}