fixed-link says: register new "Fixed/emulated PHY", i.e. PHY that
not connected to the real MDIO bus.
Signed-off-by: Vitaly Bordug <[EMAIL PROTECTED]>
Signed-off-by: Anton Vorontsov <[EMAIL PROTECTED]>
---
Documentation/powerpc/booting-without-of.txt | 3 +
arch/powerpc/sysdev/fsl_soc.c | 56 ++++++++++++++++++--------
2 files changed, 42 insertions(+), 17 deletions(-)
diff --git a/Documentation/powerpc/booting-without-of.txt
b/Documentation/powerpc/booting-without-of.txt
index e9a3cb1..cf25070 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1254,6 +1254,9 @@ platforms are moved over to use the flattened-device-tree
model.
services interrupts for this device.
- phy-handle : The phandle for the PHY connected to this ethernet
controller.
+ - fixed-link : <a b c> where a is emulated phy id - choose any,
+ but unique to the all specified fixed-links, b is duplex - 0 half,
+ 1 full, c is link speed - d#10/d#100/d#1000.
Recommended properties:
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 3ace747..e06a5c9 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -24,6 +24,7 @@
#include <linux/platform_device.h>
#include <linux/of_platform.h>
#include <linux/phy.h>
+#include <linux/phy_fixed.h>
#include <linux/spi/spi.h>
#include <linux/fsl_devices.h>
#include <linux/fs_enet_pd.h>
@@ -193,7 +194,6 @@ static const char *gfar_tx_intr = "tx";
static const char *gfar_rx_intr = "rx";
static const char *gfar_err_intr = "error";
-
static int __init gfar_of_init(void)
{
struct device_node *np;
@@ -277,29 +277,51 @@ static int __init gfar_of_init(void)
gfar_data.interface = PHY_INTERFACE_MODE_MII;
ph = of_get_property(np, "phy-handle", NULL);
- phy = of_find_node_by_phandle(*ph);
+ if (ph == NULL) {
+ struct fixed_phy_status status = {};
+ u32 *fixed_link;
- if (phy == NULL) {
- ret = -ENODEV;
- goto unreg;
- }
+ fixed_link = (u32*)of_get_property(np,
"fixed-link",NULL);
+ if (!fixed_link) {
+ ret = -ENODEV;
+ goto unreg;
+ }
- mdio = of_get_parent(phy);
+ status.link = 1;
+ status.duplex = fixed_link[1];
+ status.speed = fixed_link[2];
+
+ ret = fixed_phy_add(PHY_POLL, fixed_link[0], &status);
+ if (ret)
+ goto unreg;
+
+ gfar_data.bus_id = 0;
+ gfar_data.phy_id = fixed_link[0];
+ } else {
+ phy = of_find_node_by_phandle(*ph);
+
+ if (phy == NULL) {
+ ret = -ENODEV;
+ goto unreg;
+ }
+
+ mdio = of_get_parent(phy);
+
+ id = of_get_property(phy, "reg", NULL);
+ ret = of_address_to_resource(mdio, 0, &res);
+ if (ret) {
+ of_node_put(phy);
+ of_node_put(mdio);
+ goto unreg;
+ }
+
+ gfar_data.phy_id = *id;
+ gfar_data.bus_id = res.start;
- id = of_get_property(phy, "reg", NULL);
- ret = of_address_to_resource(mdio, 0, &res);
- if (ret) {
of_node_put(phy);
of_node_put(mdio);
- goto unreg;
}
- gfar_data.phy_id = *id;
- gfar_data.bus_id = res.start;
-
- of_node_put(phy);
- of_node_put(mdio);
-
ret =
platform_device_add_data(gfar_dev, &gfar_data,
sizeof(struct
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