From: Constantine Shulyupin co...@makelinux.com
From: Miguel Aguilar miguel.agui...@ridgerun.com
Signed-off-by: Constantine Shulyupin co...@makelinux.com
---
Tested with usb gadget g_zero.
This patch is based on code from Arago, Angstom, and RidgeRun projects.
Original patch is three years ago:
http://www.mail-archive.com/davinci-linux-open-source@linux.davincidsp.com/msg14741.html
---
arch/arm/mach-davinci/board-dm365-evm.c |8
arch/arm/mach-davinci/usb.c |2 ++
drivers/usb/musb/davinci.h |1 +
drivers/usb/musb/musb_core.c| 20
4 files changed, 23 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c
b/arch/arm/mach-davinci/board-dm365-evm.c
index 3a4743b..dfcb67f 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -38,6 +38,8 @@
#include mach/mmc.h
#include mach/nand.h
#include mach/keyscan.h
+#include mach/usb.h
+#include mach/hardware.h
#include media/tvp514x.h
@@ -92,6 +94,9 @@ static inline int have_tvp7002(void)
#define CPLD_CCD_DIR3 CPLD_OFFSET(0x3f,0)
#define CPLD_CCD_IO3 CPLD_OFFSET(0x3f,1)
+#define USBPHY_CTL_PADDR 0x01c40034
+#define USBPHY_CLKFREQ_24MHZ BIT(13)
+
static void __iomem *cpld;
@@ -613,6 +618,9 @@ static __init void dm365_evm_init(void)
dm365_init_spi0(BIT(0), dm365_evm_spi_info,
ARRAY_SIZE(dm365_evm_spi_info));
+ writel(readl(IO_ADDRESS(USBPHY_CTL_PADDR)) | USBPHY_CLKFREQ_24MHZ,
+ IO_ADDRESS(USBPHY_CTL_PADDR));
+ davinci_setup_usb(500, 8);
}
MACHINE_START(DAVINCI_DM365_EVM, DaVinci DM365 EVM)
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index 23d2b6d..664c689 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -49,6 +49,8 @@ static struct musb_hdrc_platform_data usb_data = {
.mode = MUSB_PERIPHERAL,
#elif defined(CONFIG_USB_MUSB_HOST)
.mode = MUSB_HOST,
+#else
+ .mode = MUSB_OTG,
#endif
.clock = usb,
.config = musb_config,
diff --git a/drivers/usb/musb/davinci.h b/drivers/usb/musb/davinci.h
index 371baa0..e737d97 100644
--- a/drivers/usb/musb/davinci.h
+++ b/drivers/usb/musb/davinci.h
@@ -16,6 +16,7 @@
/* Integrated highspeed/otg PHY */
#define USBPHY_CTL_PADDR 0x01c40034
+#define USBPHY_CLKFREQ_24MHZ BIT(13)
#define USBPHY_DATAPOL BIT(11) /* (dm355) switch D+/D- */
#define USBPHY_PHYCLKGDBIT(8)
#define USBPHY_SESNDEN BIT(7) /* v(sess_end) comparator */
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 26f1bef..277fe65 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2051,9 +2051,17 @@ musb_init_controller(struct device *dev, int nIrq, void
__iomem *ctrl)
dev_info(dev, USB %s mode controller at %p using %s, IRQ %d\n,
({char *s;
switch (musb-board_mode) {
-case MUSB_HOST:s = Host; break;
-case MUSB_PERIPHERAL: s = Peripheral; break;
-default: s = OTG; break;
+case MUSB_HOST:
+ s = Host;
+break;
+case MUSB_PERIPHERAL:
+ s = Peripheral;
+break;
+case MUSB_OTG:
+ s = OTG;
+break;
+default:
+ s = Undefined;
}; s; }),
ctrl,
(is_dma_capable() musb-dma_controller)
@@ -2402,11 +2410,7 @@ static int __init musb_init(void)
if (usb_disabled())
return 0;
- pr_info(%s: version MUSB_VERSION ,
- ?dma?
- ,
- otg (peripheral+host),
- musb_driver_name);
+ pr_info(%s: version %s\n, MUSB_VERSION, musb_driver_name);
return platform_driver_register(musb_driver);
}
module_init(musb_init);
--
1.7.9.5
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