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Commit 5e4c89c0 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: encoder-tpd12s015: Add DT support 



Add DT support for encoder-tpd12s015.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: default avatarArchit Taneja <archit@ti.com>
parent 2cbe2304

drivers/video/omap2/displays-new/encoder-tpd12s015.c

+56 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/slab.h>

#include <linux/gpio.h>

#include <linux/platform_device.h>

#include <linux/of_gpio.h>



#include <video/omapdss.h>

#include <video/omap-panel-data.h>
@@ -289,6 +290,49 @@ static int tpd_probe_pdata(struct platform_device *pdev) 
	return 0;

}



static int tpd_probe_of(struct platform_device *pdev)

{

	struct panel_drv_data *ddata = platform_get_drvdata(pdev);

	struct device_node *node = pdev->dev.of_node;

	struct omap_dss_device *in;

	int gpio;



	/* CT CP HPD GPIO */

	gpio = of_get_gpio(node, 0);

	if (!gpio_is_valid(gpio)) {

		dev_err(&pdev->dev, "failed to parse CT CP HPD gpio\n");

		return gpio;

	}

	ddata->ct_cp_hpd_gpio = gpio;



	/* LS OE GPIO */

	gpio = of_get_gpio(node, 1);

	if (gpio_is_valid(gpio) || gpio == -ENOENT) {

		ddata->ls_oe_gpio = gpio;

	} else {

		dev_err(&pdev->dev, "failed to parse LS OE gpio\n");

		return gpio;

	}



	/* HPD GPIO */

	gpio = of_get_gpio(node, 2);

	if (!gpio_is_valid(gpio)) {

		dev_err(&pdev->dev, "failed to parse HPD gpio\n");

		return gpio;

	}

	ddata->hpd_gpio = gpio;



	in = omapdss_of_find_source_for_first_ep(node);

	if (IS_ERR(in)) {

		dev_err(&pdev->dev, "failed to find video source\n");

		return PTR_ERR(in);

	}



	ddata->in = in;



	return 0;

}



static int tpd_probe(struct platform_device *pdev)

{

	struct omap_dss_device *in, *dssdev;
@@ -307,6 +351,10 @@ static int tpd_probe(struct platform_device *pdev) 
		r = tpd_probe_pdata(pdev);

		if (r)

			return r;

	} else if (pdev->dev.of_node) {

		r = tpd_probe_of(pdev);

		if (r)

			return r;

	} else {

		return -ENODEV;

	}
@@ -379,12 +427,20 @@ static int __exit tpd_remove(struct platform_device *pdev) 
	return 0;

}



static const struct of_device_id tpd_of_match[] = {

	{ .compatible = "omapdss,ti,tpd12s015", },

	{},

};



MODULE_DEVICE_TABLE(of, tpd_of_match);



static struct platform_driver tpd_driver = {

	.probe	= tpd_probe,

	.remove	= __exit_p(tpd_remove),

	.driver	= {

		.name	= "tpd12s015",

		.owner	= THIS_MODULE,

		.of_match_table = tpd_of_match,

	},

};