From: Constantine Shulyupin <const@xxxxxxxxxxxxx> From: Miguel Aguilar <miguel.aguilar@xxxxxxxxxxxx> Signed-off-by: Constantine Shulyupin <const@xxxxxxxxxxxxx> --- 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@xxxxxxxxxxxxxxxxxxxx/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_PHYCLKGD BIT(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 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
