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

Commit cdeeaca2 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: panel-dsi-cm: Add DT support 



Add DT support for panel-dsi-cm.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: default avatarArchit Taneja <archit@ti.com>
parent 6274a619

drivers/video/omap2/displays-new/panel-dsi-cm.c

+56 −4
Original line number Diff line number Diff line
@@ -22,6 +22,8 @@ 
#include <linux/sched.h>

#include <linux/slab.h>

#include <linux/workqueue.h>

#include <linux/of_device.h>

#include <linux/of_gpio.h>



#include <video/omapdss.h>

#include <video/omap-panel-data.h>
@@ -595,11 +597,14 @@ static int dsicm_power_on(struct panel_drv_data *ddata) 
		.lp_clk_max = 10000000,

	};



	if (ddata->pin_config.num_pins > 0) {

		r = in->ops.dsi->configure_pins(in, &ddata->pin_config);

		if (r) {

		dev_err(&ddata->pdev->dev, "failed to configure DSI pins\n");

			dev_err(&ddata->pdev->dev,

				"failed to configure DSI pins\n");

			goto err0;

		}

	}



	r = in->ops.dsi->set_config(in, &dsi_config);

	if (r) {
@@ -1156,6 +1161,41 @@ static int dsicm_probe_pdata(struct platform_device *pdev) 
	return 0;

}



static int dsicm_probe_of(struct platform_device *pdev)

{

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

	struct panel_drv_data *ddata = platform_get_drvdata(pdev);

	struct omap_dss_device *in;

	int gpio;



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

	if (!gpio_is_valid(gpio)) {

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

		return gpio;

	}

	ddata->reset_gpio = gpio;



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

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

		ddata->ext_te_gpio = gpio;

	} else {

		dev_err(&pdev->dev, "failed to parse TE 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;



	/* TODO: ulps, backlight */



	return 0;

}



static int dsicm_probe(struct platform_device *pdev)

{

	struct backlight_properties props;
@@ -1178,6 +1218,10 @@ static int dsicm_probe(struct platform_device *pdev) 
		r = dsicm_probe_pdata(pdev);

		if (r)

			return r;

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

		r = dsicm_probe_of(pdev);

		if (r)

			return r;

	} else {

		return -ENODEV;

	}
@@ -1320,12 +1364,20 @@ static int __exit dsicm_remove(struct platform_device *pdev) 
	return 0;

}



static const struct of_device_id dsicm_of_match[] = {

	{ .compatible = "omapdss,panel-dsi-cm", },

	{},

};



MODULE_DEVICE_TABLE(of, dsicm_of_match);



static struct platform_driver dsicm_driver = {

	.probe = dsicm_probe,

	.remove = __exit_p(dsicm_remove),

	.driver = {

		.name = "panel-dsi-cm",

		.owner = THIS_MODULE,

		.of_match_table = dsicm_of_match,

	},

};