diff options
author | Felipe Balbi <balbi@ti.com> | 2010-12-01 13:01:11 (GMT) |
---|---|---|
committer | Felipe Balbi <balbi@ti.com> | 2010-12-10 08:21:11 (GMT) |
commit | dc09886bfa781e2b442301116c18199519e36f0f (patch) | |
tree | f526992695aa32804dc7de012339cd1674737201 /drivers/usb/musb/omap2430.c | |
parent | 05ac10dd6862a3fcce33d2203fbb2ef285e3ca87 (diff) | |
download | linux-fsl-qoriq-dc09886bfa781e2b442301116c18199519e36f0f.tar.xz |
usb: musb: split omap2430 to its own platform_driver
Just adding its own platform_driver, not really
using it yet.
When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb/omap2430.c')
-rw-r--r-- | drivers/usb/musb/omap2430.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 5f0d0f1..78bb1e5 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -31,6 +31,8 @@ #include <linux/list.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> #include "musb_core.h" #include "omap2430.h" @@ -341,3 +343,85 @@ const struct musb_platform_ops musb_ops = { .set_vbus = omap2430_musb_set_vbus, }; + +static u64 omap2430_dmamask = DMA_BIT_MASK(32); + +static int __init omap2430_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 = &omap2430_dmamask; + musb->dev.coherent_dma_mask = omap2430_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 omap2430_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 omap2430_driver = { + .remove = __exit_p(omap2430_remove), + .driver = { + .name = "musb-omap2430", + }, +}; + +MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer"); +MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); +MODULE_LICENSE("GPL v2"); + +static int __init omap2430_init(void) +{ + return platform_driver_probe(&omap2430_driver, omap2430_probe); +} +subsys_initcall(omap2430_init); + +static void __exit omap2430_exit(void) +{ + platform_driver_unregister(&omap2430_driver); +} +module_exit(omap2430_exit); |