diff options
| -rw-r--r-- | arch/arm/mach-omap2/usb-musb.c | 1 | ||||
| -rw-r--r-- | drivers/usb/musb/Makefile | 2 | ||||
| -rw-r--r-- | drivers/usb/musb/am35x.c | 84 |
3 files changed, 86 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 542387a598ed..9107883287f6 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -93,6 +93,7 @@ void __init usb_musb_init(struct omap_musb_board_data *board_data) if (cpu_is_omap243x()) { musb_resources[0].start = OMAP243X_HS_BASE; } else if (cpu_is_omap3517() || cpu_is_omap3505()) { + musb_device.name = "musb-am35x"; musb_resources[0].start = AM35XX_IPSS_USBOTGSS_BASE; musb_resources[1].start = INT_35XX_USBOTG_IRQ; } else if (cpu_is_omap34xx()) { diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile index 4792001a3d06..a48c86d9b4d0 100644 --- a/drivers/usb/musb/Makefile +++ b/drivers/usb/musb/Makefile @@ -17,10 +17,10 @@ musb_hdrc-$(CONFIG_DEBUG_FS) += musb_debugfs.o musb_hdrc-$(CONFIG_USB_MUSB_DAVINCI) += davinci.o musb_hdrc-$(CONFIG_USB_MUSB_DA8XX) += da8xx.o musb_hdrc-$(CONFIG_USB_MUSB_TUSB6010) += tusb6010.o -musb_hdrc-$(CONFIG_USB_MUSB_AM35X) += am35x.o musb_hdrc-$(CONFIG_USB_MUSB_BLACKFIN) += blackfin.o obj-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o +obj-$(CONFIG_USB_MUSB_AM35X) += am35x.o # the kconfig must guarantee that only one of the # possible I/O schemes will be enabled at a time ... diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c index be17610d7fc2..0ae01f57b3df 100644 --- a/drivers/usb/musb/am35x.c +++ b/drivers/usb/musb/am35x.c @@ -29,6 +29,8 @@ #include <linux/init.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> #include <plat/control.h> #include <plat/usb.h> @@ -535,3 +537,85 @@ const struct musb_platform_ops musb_ops = { .set_vbus = am35x_musb_set_vbus, }; + +static u64 am35x_dmamask = DMA_BIT_MASK(32); + +static int __init am35x_probe(struct platform_device *pdev) +{ + struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; + struct platform_device *musb; + + int ret = -ENOMEM; + + musb = platform_device_alloc("musb-hdrc", -1); + if (!musb) { + dev_err(&pdev->dev, "failed to allocate musb device\n"); + goto err0; + } + + musb->dev.parent = &pdev->dev; + musb->dev.dma_mask = &am35x_dmamask; + musb->dev.coherent_dma_mask = am35x_dmamask; + + platform_set_drvdata(pdev, musb); + + ret = platform_device_add_resources(musb, pdev->resource, + pdev->num_resources); + if (ret) { + dev_err(&pdev->dev, "failed to add resources\n"); + goto err1; + } + + ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); + if (ret) { + dev_err(&pdev->dev, "failed to add platform_data\n"); + goto err1; + } + + ret = platform_device_add(musb); + if (ret) { + dev_err(&pdev->dev, "failed to register musb device\n"); + goto err1; + } + + return 0; + +err1: + platform_device_put(musb); + +err0: + return ret; +} + +static int __exit am35x_remove(struct platform_device *pdev) +{ + struct platform_device *musb = platform_get_drvdata(pdev); + + platform_device_del(musb); + platform_device_put(musb); + + return 0; +} + +static struct platform_driver am35x_driver = { + .remove = __exit_p(am35x_remove), + .driver = { + .name = "musb-am35x", + }, +}; + +MODULE_DESCRIPTION("AM35x MUSB Glue Layer"); +MODULE_AUTHOR("Ajay Kumar Gupta <ajay.gupta@ti.com>"); +MODULE_LICENSE("GPL v2"); + +static int __init am35x_init(void) +{ + return platform_driver_probe(&am35x_driver, am35x_probe); +} +subsys_initcall(am35x_init); + +static void __exit am35x_exit(void) +{ + platform_driver_unregister(&am35x_driver); +} +module_exit(am35x_exit); |