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usb: musb: Add support for ti81xx platform

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TI81XX platform has two musb interfaces and uses CPPI4.1 DMA engine.
It has builtin USB PHYs as AM35x. The current set of patches adds support
for one instance and only in PIO mode.

[ balbi@ti.com : make it compile and solve a "may be used
	uninitialized" warning ]

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Ajay Kumar Gupta
2012-03-12 19:30:22 +05:30
committed by Felipe Balbi
parent 66f75a5d02
commit 9ecb887522
4 changed files with 722 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/usb/musb/Kconfig
+7 -1
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@@ -8,6 +8,7 @@ config USB_MUSB_HDRC
tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
depends on USB && USB_GADGET
select NOP_USB_XCEIV if (ARCH_DAVINCI || MACH_OMAP3EVM || BLACKFIN)
select NOP_USB_XCEIV if SOC_OMAPTI81XX
select TWL4030_USB if MACH_OMAP_3430SDP
select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA
select USB_OTG_UTILS
@@ -54,6 +55,10 @@ config USB_MUSB_AM35X
tristate "AM35x"
depends on ARCH_OMAP
config USB_MUSB_DSPS
tristate "TI DSPS platforms"
depends on SOC_OMAPTI81XX
config USB_MUSB_BLACKFIN
tristate "Blackfin"
depends on (BF54x && !BF544) || (BF52x && ! BF522 && !BF523)
@@ -70,7 +75,8 @@ choice
default USB_INVENTRA_DMA if USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
default USB_TI_CPPI_DMA if USB_MUSB_DAVINCI
default USB_TUSB_OMAP_DMA if USB_MUSB_TUSB6010
default MUSB_PIO_ONLY if USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X
default MUSB_PIO_ONLY if USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X \
|| USB_MUSB_DSPS
help
Unfortunately, only one option can be enabled here. Ideally one
should be able to build all these drivers into one kernel to
drivers/usb/musb/Makefile
+1
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@@ -13,6 +13,7 @@ musb_hdrc-$(CONFIG_DEBUG_FS) += musb_debugfs.o
# Hardware Glue Layer
obj-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o
obj-$(CONFIG_USB_MUSB_AM35X) += am35x.o
obj-$(CONFIG_USB_MUSB_DSPS) += musb_dsps.o
obj-$(CONFIG_USB_MUSB_TUSB6010) += tusb6010.o
obj-$(CONFIG_USB_MUSB_DAVINCI) += davinci.o
obj-$(CONFIG_USB_MUSB_DA8XX) += da8xx.o
drivers/usb/musb/musb_core.c
+3 -1
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@@ -1034,7 +1034,9 @@ static void musb_shutdown(struct platform_device *pdev)
|| defined(CONFIG_USB_MUSB_OMAP2PLUS) \
|| defined(CONFIG_USB_MUSB_OMAP2PLUS_MODULE) \
|| defined(CONFIG_USB_MUSB_AM35X) \
|| defined(CONFIG_USB_MUSB_AM35X_MODULE)
|| defined(CONFIG_USB_MUSB_AM35X_MODULE) \
|| defined(CONFIG_USB_MUSB_DSPS) \
|| defined(CONFIG_USB_MUSB_DSPS_MODULE)
static ushort __devinitdata fifo_mode = 4;
#elif defined(CONFIG_USB_MUSB_UX500) \
|| defined(CONFIG_USB_MUSB_UX500_MODULE)
drivers/usb/musb/musb_dsps.c
+711
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