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[media] media: i2c: mt9p031: add OF support

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Add OF support for the mt9p031 sensor driver.
Alongside this patch sorts the header inclusion alphabetically.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Lad, Prabhakar
2013-05-26 10:08:54 -03:00
committed by Mauro Carvalho Chehab
parent 3080f8c77f
commit 8d4da37c30
2 changed files with 80 additions and 2 deletions
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42
drivers/media/i2c/mt9p031.c
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@@ -16,9 +16,10 @@
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/log2.h>
#include <linux/module.h>
#include <linux/of_gpio.h>
#include <linux/pm.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
@@ -27,6 +28,7 @@
#include <media/mt9p031.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-of.h>
#include <media/v4l2-subdev.h>
#include "aptina-pll.h"
@@ -927,10 +929,36 @@ static const struct v4l2_subdev_internal_ops mt9p031_subdev_internal_ops = {
* Driver initialization and probing
*/
static struct mt9p031_platform_data *
mt9p031_get_pdata(struct i2c_client *client)
{
struct mt9p031_platform_data *pdata;
struct device_node *np;
if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
return client->dev.platform_data;
np = v4l2_of_get_next_endpoint(client->dev.of_node, NULL);
if (!np)
return NULL;
pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
goto done;
pdata->reset = of_get_named_gpio(client->dev.of_node, "reset-gpios", 0);
of_property_read_u32(np, "input-clock-frequency", &pdata->ext_freq);
of_property_read_u32(np, "pixel-clock-frequency", &pdata->target_freq);
done:
of_node_put(np);
return pdata;
}
static int mt9p031_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct mt9p031_platform_data *pdata = client->dev.platform_data;
struct mt9p031_platform_data *pdata = mt9p031_get_pdata(client);
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
struct mt9p031 *mt9p031;
unsigned int i;
@@ -1069,8 +1097,18 @@ static const struct i2c_device_id mt9p031_id[] = {
};
MODULE_DEVICE_TABLE(i2c, mt9p031_id);
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id mt9p031_of_match[] = {
{ .compatible = "aptina,mt9p031", },
{ .compatible = "aptina,mt9p031m", },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, mt9p031_of_match);
#endif
static struct i2c_driver mt9p031_i2c_driver = {
.driver = {
.of_match_table = of_match_ptr(mt9p031_of_match),
.name = "mt9p031",
},
.probe = mt9p031_probe,