Commit 237ab406 authored by Pawel Moll's avatar Pawel Moll Committed by Wolfram Sang
Browse files

i2c: versatile: Add Device Tree support 



This patch adds Device Tree binding ("arm,versatile-i2c") and
basic support (bus population) to versatile-i2c driver.

Signed-off-by: default avatarPawel Moll <pawel.moll@arm.com>

[wsa: constified match-table]

Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent b01543df

drivers/i2c/busses/i2c-versatile.c

+10 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/platform_device.h>

#include <linux/slab.h>

#include <linux/io.h>

#include <linux/of_i2c.h>



#define I2C_CONTROL	0x00

#define I2C_CONTROLS	0x00
@@ -99,6 +100,7 @@ static int i2c_versatile_probe(struct platform_device *dev) 
	strlcpy(i2c->adap.name, "Versatile I2C adapter", sizeof(i2c->adap.name));

	i2c->adap.algo_data = &i2c->algo;

	i2c->adap.dev.parent = &dev->dev;

	i2c->adap.dev.of_node = dev->dev.of_node;

	i2c->algo = i2c_versatile_algo;

	i2c->algo.data = i2c;
@@ -111,6 +113,7 @@ static int i2c_versatile_probe(struct platform_device *dev) 
		ret = i2c_bit_add_bus(&i2c->adap);

	if (ret >= 0) {

		platform_set_drvdata(dev, i2c);

		of_i2c_register_devices(&i2c->adap);

		return 0;

	}
@@ -133,12 +136,19 @@ static int i2c_versatile_remove(struct platform_device *dev) 
	return 0;

}



static const struct of_device_id i2c_versatile_match[] = {

	{ .compatible = "arm,versatile-i2c", },

	{},

};

MODULE_DEVICE_TABLE(of, i2c_versatile_match);



static struct platform_driver i2c_versatile_driver = {

	.probe		= i2c_versatile_probe,

	.remove		= i2c_versatile_remove,

	.driver		= {

		.name	= "versatile-i2c",

		.owner	= THIS_MODULE,

		.of_match_table = i2c_versatile_match,

	},

};