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Commit cfa71144 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: encoder-tfp410: Add DT support 



Add DT support for encoder-tfp410.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: default avatarArchit Taneja <archit@ti.com>
parent cdeeaca2

drivers/video/omap2/displays-new/encoder-tfp410.c

+42 −1
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/slab.h>

#include <linux/of_gpio.h>



#include <video/omapdss.h>

#include <video/omap-panel-data.h>
@@ -82,6 +83,7 @@ static int tfp410_enable(struct omap_dss_device *dssdev) 
		return 0;



	in->ops.dpi->set_timings(in, &ddata->timings);

	if (ddata->data_lines)

		in->ops.dpi->set_data_lines(in, ddata->data_lines);



	r = in->ops.dpi->enable(in);
@@ -179,6 +181,33 @@ static int tfp410_probe_pdata(struct platform_device *pdev) 
	return 0;

}



static int tfp410_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;



	gpio = of_get_named_gpio(node, "powerdown-gpios", 0);



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

		ddata->pd_gpio = gpio;

	} else {

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

		return 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 tfp410_probe(struct platform_device *pdev)

{

	struct panel_drv_data *ddata;
@@ -195,6 +224,10 @@ static int tfp410_probe(struct platform_device *pdev) 
		r = tfp410_probe_pdata(pdev);

		if (r)

			return r;

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

		r = tfp410_probe_of(pdev);

		if (r)

			return r;

	} else {

		return -ENODEV;

	}
@@ -251,12 +284,20 @@ static int __exit tfp410_remove(struct platform_device *pdev) 
	return 0;

}



static const struct of_device_id tfp410_of_match[] = {

	{ .compatible = "omapdss,ti,tfp410", },

	{},

};



MODULE_DEVICE_TABLE(of, tfp410_of_match);



static struct platform_driver tfp410_driver = {

	.probe	= tfp410_probe,

	.remove	= __exit_p(tfp410_remove),

	.driver	= {

		.name	= "tfp410",

		.owner	= THIS_MODULE,

		.of_match_table = tfp410_of_match,

	},

};