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Commit 64904b57 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
Browse files

[media] omap3isp: DT support for clocks 



Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 703e6f62

drivers/media/platform/omap3isp/isp.c

+25 −0
Original line number Diff line number Diff line
@@ -279,9 +279,21 @@ static const struct clk_init_data isp_xclk_init_data = { 
	.num_parents = 1,

};



static struct clk *isp_xclk_src_get(struct of_phandle_args *clkspec, void *data)

{

	unsigned int idx = clkspec->args[0];

	struct isp_device *isp = data;



	if (idx >= ARRAY_SIZE(isp->xclks))

		return ERR_PTR(-ENOENT);



	return isp->xclks[idx].clk;

}



static int isp_xclk_init(struct isp_device *isp)

{

	struct isp_platform_data *pdata = isp->pdata;

	struct device_node *np = isp->dev->of_node;

	struct clk_init_data init;

	unsigned int i;
@@ -312,6 +324,12 @@ static int isp_xclk_init(struct isp_device *isp) 
		if (IS_ERR(xclk->clk))

			return PTR_ERR(xclk->clk);



		/* When instantiated from DT we don't need to register clock

		 * aliases.

		 */

		if (np)

			continue;



		if (pdata->xclks[i].con_id == NULL &&

		    pdata->xclks[i].dev_id == NULL)

			continue;
@@ -327,13 +345,20 @@ static int isp_xclk_init(struct isp_device *isp) 
		clkdev_add(xclk->lookup);

	}



	if (np)

		of_clk_add_provider(np, isp_xclk_src_get, isp);



	return 0;

}



static void isp_xclk_cleanup(struct isp_device *isp)

{

	struct device_node *np = isp->dev->of_node;

	unsigned int i;



	if (np)

		of_clk_del_provider(np);



	for (i = 0; i < ARRAY_SIZE(isp->xclks); ++i) {

		struct isp_xclk *xclk = &isp->xclks[i];