diff options
| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2014-10-02 00:06:16 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-11-03 19:00:57 +0300 |
| commit | 1803fe15ad54e68aae8b2b44e04a635e9b5d52f2 (patch) | |
| tree | b25968ba38b306e61a8f17979069c377302e035e /drivers/usb | |
| parent | 3ec8347bfa6e671666d04fc62c8302f5ffa344ba (diff) | |
| download | linux-1803fe15ad54e68aae8b2b44e04a635e9b5d52f2.tar.xz | |
usb: gadget: pxa27x_udc: add devicetree support
Add support for device-tree device discovery. If devicetree is not
provided, fallback to legacy platform data "discovery".
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: devicetree@vger.kernel.org
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/udc/pxa27x_udc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c index 5280f64683fb..55598c0d083c 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/drivers/usb/gadget/udc/pxa27x_udc.c @@ -27,6 +27,8 @@ #include <linux/prefetch.h> #include <linux/byteorder/generic.h> #include <linux/platform_data/pxa2xx_udc.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> #include <linux/usb.h> #include <linux/usb/ch9.h> @@ -2400,6 +2402,12 @@ static struct pxa_udc memory = { } }; +static struct of_device_id udc_pxa_dt_ids[] = { + { .compatible = "marvell,pxa270-udc" }, + {} +}; +MODULE_DEVICE_TABLE(of, udc_pxa_dt_ids); + /** * pxa_udc_probe - probes the udc device * @_dev: platform device @@ -2427,6 +2435,8 @@ static int pxa_udc_probe(struct platform_device *pdev) udc->gpiod = gpio_to_desc(mach->gpio_pullup); } udc->udc_command = mach->udc_command; + } else { + udc->gpiod = devm_gpiod_get(&pdev->dev, NULL); } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -2618,6 +2628,7 @@ static struct platform_driver udc_driver = { .driver = { .name = "pxa27x-udc", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(udc_pxa_dt_ids), }, .probe = pxa_udc_probe, .remove = pxa_udc_remove, |