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Commit accefdd4 authored by Vivek Gautam's avatar Vivek Gautam Committed by Felipe Balbi
Browse files

usb: dwc3: exynos: add support for device tree 



This patch adds support to parse probe data for
dwc3-exynos driver using device tree.

Signed-off-by: default avatarVivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 124dafde

drivers/usb/dwc3/dwc3-exynos.c

+20 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <linux/clk.h>

#include <linux/usb/otg.h>

#include <linux/usb/nop-usb-xceiv.h>

#include <linux/of.h>



#include "core.h"
@@ -87,6 +88,8 @@ static int __devinit dwc3_exynos_register_phys(struct dwc3_exynos *exynos) 
	return ret;

}



static u64 dwc3_exynos_dma_mask = DMA_BIT_MASK(32);



static int __devinit dwc3_exynos_probe(struct platform_device *pdev)

{

	struct dwc3_exynos_data	*pdata = pdev->dev.platform_data;
@@ -102,6 +105,14 @@ static int __devinit dwc3_exynos_probe(struct platform_device *pdev) 
		goto err0;

	}



	/*

	 * Right now device-tree probed devices don't get dma_mask set.

	 * Since shared usb code relies on it, set it here for now.

	 * Once we move to full device tree support this will vanish off.

	 */

	if (!pdev->dev.dma_mask)

		pdev->dev.dma_mask = &dwc3_exynos_dma_mask;



	platform_set_drvdata(pdev, exynos);



	ret = dwc3_exynos_register_phys(exynos);
@@ -191,11 +202,20 @@ static int __devexit dwc3_exynos_remove(struct platform_device *pdev) 
	return 0;

}



#ifdef CONFIG_OF

static const struct of_device_id exynos_dwc3_match[] = {

	{ .compatible = "samsung,exynos-dwc3" },

	{},

};

MODULE_DEVICE_TABLE(of, exynos_dwc3_match);

#endif



static struct platform_driver dwc3_exynos_driver = {

	.probe		= dwc3_exynos_probe,

	.remove		= __devexit_p(dwc3_exynos_remove),

	.driver		= {

		.name	= "exynos-dwc3",

		.of_match_table = of_match_ptr(exynos_dwc3_match),

	},

};