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Commit b9dd694e authored by Nicolas Saenz Julienne's avatar Nicolas Saenz Julienne Committed by David S. Miller
Browse files

net: ethernet: wiznet: w5X00 add device tree support 



The w5X00 chip provides an SPI to Ethernet inteface. This patch allows
platform devices to be defined through the device tree.

Signed-off-by: default avatarNicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7a096d57

drivers/net/ethernet/wiznet/w5100-spi.c

+22 −2
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/delay.h>

#include <linux/netdevice.h>

#include <linux/of_net.h>

#include <linux/of_device.h>

#include <linux/spi/spi.h>



#include "w5100.h"
@@ -409,14 +410,32 @@ static const struct w5100_ops w5500_ops = { 
	.init = w5500_spi_init,

};



static const struct of_device_id w5100_of_match[] = {

	{ .compatible = "wiznet,w5100", .data = (const void*)W5100, },

	{ .compatible = "wiznet,w5200", .data = (const void*)W5200, },

	{ .compatible = "wiznet,w5500", .data = (const void*)W5500, },

	{ },

};

MODULE_DEVICE_TABLE(of, w5100_of_match);



static int w5100_spi_probe(struct spi_device *spi)

{

	const struct spi_device_id *id = spi_get_device_id(spi);

	const struct of_device_id *of_id;

	const struct w5100_ops *ops;

	kernel_ulong_t driver_data;

	int priv_size;

	const void *mac = of_get_mac_address(spi->dev.of_node);



	switch (id->driver_data) {

	if (spi->dev.of_node) {

		of_id = of_match_device(w5100_of_match, &spi->dev);

		if (!of_id)

			return -ENODEV;

		driver_data = (kernel_ulong_t)of_id->data;

	} else {

		driver_data = spi_get_device_id(spi)->driver_data;

	}



	switch (driver_data) {

	case W5100:

		ops = &w5100_spi_ops;

		priv_size = 0;
@@ -453,6 +472,7 @@ static struct spi_driver w5100_spi_driver = { 
	.driver		= {

		.name	= "w5100",

		.pm	= &w5100_pm_ops,

		.of_match_table = w5100_of_match,

	},

	.probe		= w5100_spi_probe,

	.remove		= w5100_spi_remove,