Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1803fe15 authored by Robert Jarzmik's avatar Robert Jarzmik Committed by Felipe Balbi
Browse files

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: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Cc: devicetree@vger.kernel.org
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 3ec8347b

drivers/usb/gadget/udc/pxa27x_udc.c

+11 −0
Original line number Diff line number Diff line
@@ -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,