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Message-Id: <1369386082-8941-1-git-send-email-plagnioj@jcrosoft.com>
Date: Fri, 24 May 2013 11:01:22 +0200
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To: devicetree-discuss@...abs.org
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
netdev@...r.kernel.org
Subject: [PATCH 1/1] net: micrel : ks8851-ml: add dt support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
Cc: netdev@...r.kernel.org
---
.../devicetree/bindings/net/micrel-ks8851.txt | 9 ++++++
drivers/net/ethernet/micrel/ks8851_mll.c | 33 +++++++++++++++-----
2 files changed, 35 insertions(+), 7 deletions(-)
create mode 100644 Documentation/devicetree/bindings/net/micrel-ks8851.txt
diff --git a/Documentation/devicetree/bindings/net/micrel-ks8851.txt b/Documentation/devicetree/bindings/net/micrel-ks8851.txt
new file mode 100644
index 0000000..11ace3c
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/micrel-ks8851.txt
@@ -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
diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
index ddaf138..5fed734 100644
--- a/drivers/net/ethernet/micrel/ks8851_mll.c
+++ b/drivers/net/ethernet/micrel/ks8851_mll.c
@@ -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);
@@ -1680,6 +1698,7 @@ 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,
--
1.7.10.4
--
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