i2c: iop3xx: Add device tree probing

This adds device tree probing support for the IOP3xx
I2C master.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-iop3xx.c

@@ -471,6 +471,7 @@ iop3xx_i2c_probe(struct platform_device *pdev)
 	new_adapter->owner = THIS_MODULE;
 	new_adapter->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
 	new_adapter->dev.parent = &pdev->dev;
+	new_adapter->dev.of_node = pdev->dev.of_node;
 	new_adapter->nr = pdev->id;
 
 	/*
@@ -508,12 +509,19 @@ iop3xx_i2c_probe(struct platform_device *pdev)
 	return ret;
 }
 
+static const struct of_device_id i2c_iop3xx_match[] = {
+	{ .compatible = "intel,iop3xx-i2c", },
+	{ .compatible = "intel,ixp4xx-i2c", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, i2c_iop3xx_match);
 
 static struct platform_driver iop3xx_i2c_driver = {
 	.probe		= iop3xx_i2c_probe,
 	.remove		= iop3xx_i2c_remove,
 	.driver		= {
 		.name	= "IOP3xx-I2C",
+		.of_match_table = i2c_iop3xx_match,
 	},
 };