This patch adds support for USB on OMAP34XX.
This adds a working board-3430sdp-usb.c file.
Signed-off-by: Anand Gadiyar <gadiyar@xxxxxx>
Signed-off-by: Vikram Pandita <vikram.pandita@xxxxxx>
Signed-off-by: Nishant Kamat <nskamat@xxxxxx>
---
arch/arm/mach-omap2/Makefile | 3 -
arch/arm/mach-omap2/board-3430sdp-usb.c | 77 ++++++++++++++++++++++++++++++++
arch/arm/mach-omap2/board-3430sdp.c | 3 +
3 files changed, 82 insertions(+), 1 deletion(-)
Index: linux-omap/arch/arm/mach-omap2/Makefile
===================================================================
--- linux-omap.orig/arch/arm/mach-omap2/Makefile 2007-12-05 10:02:53.000000000 +0530
+++ linux-omap/arch/arm/mach-omap2/Makefile 2007-12-05 17:04:09.664182922 +0530
@@ -26,7 +26,8 @@
board-2430sdp-flash.o \
board-2430sdp-usb.o
obj-$(CONFIG_MACH_OMAP_2430OSK) += board-2430osk.o
-obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o
+obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
+ board-3430sdp-usb.o
obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o \
board-apollon-mmc.o \
board-apollon-keys.o
Index: linux-omap/arch/arm/mach-omap2/board-3430sdp-usb.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-omap/arch/arm/mach-omap2/board-3430sdp-usb.c 2007-12-05 17:04:09.664182922 +0530
@@ -0,0 +1,77 @@
+/*
+ * linux/arch/arm/mach-omap2/board-3430sdp-usb.c
+ *
+ * This file will contain the board specific details for the
+ * MENTOR USB OTG and Synopsys EHCI host controllers on OMAP3430
+ *
+ * Copyright (C) 2007 Texas Instruments
+ * Author: Vikram Pandita
+ *
+ * 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/usb/musb.h>
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/usb.h>
+
+#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
+static struct resource musb_resources[] = {
+ [0] = {
+ .start = OMAP34XX_HSUSB_OTG_BASE,
+ .end = OMAP34XX_HSUSB_OTG_BASE + SZ_8K,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = { /* general IRQ */
+ .start = INT_243X_HS_USB_MC,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = { /* DMA IRQ */
+ .start = INT_243X_HS_USB_DMA,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+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
+ .multipoint = 1,
+ .clock = NULL,
+ .set_clock = NULL,
+};
+
+static u64 musb_dmamask = ~(u32)0;
+
+static struct platform_device musb_device = {
+ .name = "musb_hdrc",
+ .id = 0,
+ .dev = {
+ .dma_mask = &musb_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &musb_plat,
+ },
+ .num_resources = ARRAY_SIZE(musb_resources),
+ .resource = musb_resources,
+};
+#endif
+
+void __init sdp3430_usb_init(void)
+{
+#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
+ if (platform_device_register(&musb_device) < 0) {
+ printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
+ return;
+ }
+#endif
+}
Index: linux-omap/arch/arm/mach-omap2/board-3430sdp.c
===================================================================
--- linux-omap.orig/arch/arm/mach-omap2/board-3430sdp.c 2007-12-05 10:02:53.000000000 +0530
+++ linux-omap/arch/arm/mach-omap2/board-3430sdp.c 2007-12-05 17:04:09.664182922 +0530
@@ -307,6 +307,8 @@
return 0;
}
+extern void __init sdp3430_usb_init(void);
+
static void __init omap_3430sdp_init(void)
{
platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
@@ -316,6 +318,7 @@
ARRAY_SIZE(sdp3430_spi_board_info));
ads7846_dev_init();
omap_serial_init();
+ sdp3430_usb_init();
}
static void __init omap_3430sdp_map_io(void)
-
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