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net: micrel : ks8851-ml: add dt support

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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2013-05-23 23:01:22 +00:00 committed by David S. Miller
parent 51047840e6
commit 87227b8b2d
2 changed files with 35 additions and 7 deletions
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9
Documentation/devicetree/bindings/net/micrel-ks8851.txt Normal file
View file

@ -0,0 +1,9 @@
Micrel KS8851 Ethernet mac
Required properties:
- compatible = "micrel,ks8851-ml" of parallel interface
- reg : 2 physical address and size of registers for data and command
- interrupts : interrupt connection
Optional properties:
- local-mac-address : Ethernet mac address to use

33
drivers/net/ethernet/micrel/ks8851_mll.c
View file

@ -35,6 +35,9 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/ks8851_mll.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_net.h>
#define DRV_NAME "ks8851_mll"
@ -1524,6 +1527,13 @@ static int ks_hw_init(struct ks_net *ks)
return true;
}
#if defined(CONFIG_OF)
static const struct of_device_id ks8851_ml_dt_ids[] = {
{ .compatible = "micrel,ks8851-mll" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, ks8851_ml_dt_ids);
#endif
static int ks8851_probe(struct platform_device *pdev)
{
@ -1532,7 +1542,7 @@ static int ks8851_probe(struct platform_device *pdev)
struct net_device *netdev;
struct ks_net *ks;
u16 id, data;
struct ks8851_mll_platform_data *pdata;
const char *mac;
io_d = platform_get_resource(pdev, IORESOURCE_MEM, 0);
io_c = platform_get_resource(pdev, IORESOURCE_MEM, 1);
@ -1619,13 +1629,21 @@ static int ks8851_probe(struct platform_device *pdev)
ks_wrreg16(ks, KS_OBCR, data | OBCR_ODS_16MA);
/* overwriting the default MAC address */
pdata = pdev->dev.platform_data;
if (!pdata) {
netdev_err(netdev, "No platform data\n");
err = -ENODEV;
goto err_pdata;
if (pdev->dev.of_node) {
mac = of_get_mac_address(pdev->dev.of_node);
if (mac)
memcpy(ks->mac_addr, mac, ETH_ALEN);
} else {
struct ks8851_mll_platform_data *pdata;
pdata = pdev->dev.platform_data;
if (!pdata) {
netdev_err(netdev, "No platform data\n");
err = -ENODEV;
goto err_pdata;
}
memcpy(ks->mac_addr, pdata->mac_addr, ETH_ALEN);
}
memcpy(ks->mac_addr, pdata->mac_addr, 6);
if (!is_valid_ether_addr(ks->mac_addr)) {
/* Use random MAC address if none passed */
eth_random_addr(ks->mac_addr);
@ -1679,6 +1697,7 @@ static struct platform_driver ks8851_platform_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(ks8851_ml_dt_ids),
},
.probe = ks8851_probe,
.remove = ks8851_remove,