Commit 187d42d6 authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Mauro Carvalho Chehab
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[media] media: i2c: adv7343: add OF support 



add OF support for the adv7343 driver.

Signed-off-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 5e95814f

Documentation/devicetree/bindings/media/i2c/adv7343.txt

0 → 100644
+48 −0
Original line number Diff line number Diff line 
* Analog Devices adv7343 video encoder



The ADV7343 are high speed, digital-to-analog video encoders in a 64-lead LQFP

package. Six high speed, 3.3 V, 11-bit video DACs provide support for composite

(CVBS), S-Video (Y-C), and component (YPrPb/RGB) analog outputs in standard

definition (SD), enhanced definition (ED), or high definition (HD) video

formats.



Required Properties :

- compatible: Must be "adi,adv7343"



Optional Properties :

- adi,power-mode-sleep-mode: on enable the current consumption is reduced to

			      micro ampere level. All DACs and the internal PLL

			      circuit are disabled.

- adi,power-mode-pll-ctrl: PLL and oversampling control. This control allows

			   internal PLL 1 circuit to be powered down and the

			   oversampling to be switched off.

- ad,adv7343-power-mode-dac: array configuring the power on/off DAC's 1..6,

			      0 = OFF and 1 = ON, Default value when this

			      property is not specified is <0 0 0 0 0 0>.

- ad,adv7343-sd-config-dac-out: array configure SD DAC Output's 1 and 2, 0 = OFF

				 and 1 = ON, Default value when this property is

				 not specified is <0 0>.



Example:



i2c0@1c22000 {

	...

	...



	adv7343@2a {

		compatible = "adi,adv7343";

		reg = <0x2a>;



		port {

			adv7343_1: endpoint {

					adi,power-mode-sleep-mode;

					adi,power-mode-pll-ctrl;

					/* Use DAC1..3, DAC6 */

					adi,dac-enable = <1 1 1 0 0 1>;

					/* Use SD DAC output 1 */

					adi,sd-dac-enable = <1 0>;

			};

		};

	};

	...

};

drivers/media/i2c/adv7343.c

+45 −1
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#include <media/v4l2-async.h>

#include <media/v4l2-device.h>

#include <media/v4l2-ctrls.h>

#include <media/v4l2-of.h>



#include "adv7343_regs.h"
@@ -399,6 +400,40 @@ static int adv7343_initialize(struct v4l2_subdev *sd) 
	return err;

}



static struct adv7343_platform_data *

adv7343_get_pdata(struct i2c_client *client)

{

	struct adv7343_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->mode_config.sleep_mode =

			of_property_read_bool(np, "adi,power-mode-sleep-mode");



	pdata->mode_config.pll_control =

			of_property_read_bool(np, "adi,power-mode-pll-ctrl");



	of_property_read_u32_array(np, "adi,dac-enable",

				   pdata->mode_config.dac, 6);



	of_property_read_u32_array(np, "adi,sd-dac-enable",

				   pdata->sd_config.sd_dac_out, 2);



done:

	of_node_put(np);

	return pdata;

}



static int adv7343_probe(struct i2c_client *client,

				const struct i2c_device_id *id)

{
@@ -417,7 +452,7 @@ static int adv7343_probe(struct i2c_client *client, 
		return -ENOMEM;



	/* Copy board specific information here */

	state->pdata = client->dev.platform_data;

	state->pdata = adv7343_get_pdata(client);



	state->reg00	= 0x80;

	state->reg01	= 0x00;
@@ -483,8 +518,17 @@ static const struct i2c_device_id adv7343_id[] = { 


MODULE_DEVICE_TABLE(i2c, adv7343_id);



#if IS_ENABLED(CONFIG_OF)

static const struct of_device_id adv7343_of_match[] = {

	{.compatible = "adi,adv7343", },

	{ /* sentinel */ },

};

MODULE_DEVICE_TABLE(of, adv7343_of_match);

#endif



static struct i2c_driver adv7343_driver = {

	.driver = {

		.of_match_table = of_match_ptr(adv7343_of_match),

		.owner	= THIS_MODULE,

		.name	= "adv7343",

	},