#include <dm/uclass-internal.h>
#include <linux/compat.h>
-/* DT node properties for MAC-PHY interface */
-static const char * const phy_mode_str[] = {
- "phy-mode", "phy-connection-type"
-};
-
-/* DT node properties that reference a PHY node */
-static const char * const phy_handle_str[] = {
- "phy-handle", "phy", "phy-device"
-};
-
void dm_mdio_probe_devices(void)
{
struct udevice *it;
return 0;
}
+int dm_mdio_read(struct udevice *mdio_dev, int addr, int devad, int reg)
+{
+ struct mdio_ops *ops = mdio_get_ops(mdio_dev);
+
+ if (!ops->read)
+ return -ENOSYS;
+
+ return ops->read(mdio_dev, addr, devad, reg);
+}
+
+int dm_mdio_write(struct udevice *mdio_dev, int addr, int devad, int reg,
+ u16 val)
+{
+ struct mdio_ops *ops = mdio_get_ops(mdio_dev);
+
+ if (!ops->write)
+ return -ENOSYS;
+
+ return ops->write(mdio_dev, addr, devad, reg, val);
+}
+
+int dm_mdio_reset(struct udevice *mdio_dev)
+{
+ struct mdio_ops *ops = mdio_get_ops(mdio_dev);
+
+ if (!ops->reset)
+ return 0;
+
+ return ops->reset(mdio_dev);
+}
+
/*
* Following read/write/reset functions are registered with legacy MII code.
* These are called for PHY operations by upper layers and we further call the
*/
static int mdio_read(struct mii_dev *mii_bus, int addr, int devad, int reg)
{
- struct udevice *dev = mii_bus->priv;
-
- return mdio_get_ops(dev)->read(dev, addr, devad, reg);
+ return dm_mdio_read(mii_bus->priv, addr, devad, reg);
}
static int mdio_write(struct mii_dev *mii_bus, int addr, int devad, int reg,
u16 val)
{
- struct udevice *dev = mii_bus->priv;
-
- return mdio_get_ops(dev)->write(dev, addr, devad, reg, val);
+ return dm_mdio_write(mii_bus->priv, addr, devad, reg, val);
}
static int mdio_reset(struct mii_dev *mii_bus)
{
- struct udevice *dev = mii_bus->priv;
-
- if (mdio_get_ops(dev)->reset)
- return mdio_get_ops(dev)->reset(dev);
- else
- return 0;
+ return dm_mdio_reset(mii_bus->priv);
}
static int dm_mdio_post_probe(struct udevice *dev)
static int dm_mdio_pre_remove(struct udevice *dev)
{
struct mdio_perdev_priv *pdata = dev_get_uclass_priv(dev);
- struct mdio_ops *ops = mdio_get_ops(dev);
- if (ops->reset)
- ops->reset(dev);
+ dm_mdio_reset(dev);
mdio_unregister(pdata->mii_bus);
mdio_free(pdata->mii_bus);
return 0;
}
+struct phy_device *dm_phy_find_by_ofnode(ofnode phynode)
+{
+ struct mdio_perdev_priv *pdata;
+ struct udevice *mdiodev;
+ u32 phy_addr;
+
+ if (ofnode_read_u32(phynode, "reg", &phy_addr))
+ return NULL;
+
+ if (uclass_get_device_by_ofnode(UCLASS_MDIO,
+ ofnode_get_parent(phynode),
+ &mdiodev))
+ return NULL;
+
+ if (device_probe(mdiodev))
+ return NULL;
+
+ pdata = dev_get_uclass_priv(mdiodev);
+
+ return phy_find_by_mask(pdata->mii_bus, BIT(phy_addr));
+}
+
struct phy_device *dm_mdio_phy_connect(struct udevice *mdiodev, int phyaddr,
struct udevice *ethdev,
phy_interface_t interface)
u32 phy_addr;
struct udevice *mdiodev;
struct phy_device *phy;
- struct ofnode_phandle_args phandle = {.node = ofnode_null()};
ofnode phynode;
- int i;
if (CONFIG_IS_ENABLED(PHY_FIXED) &&
ofnode_phy_is_fixed_link(dev_ofnode(ethdev), &phynode)) {
phy = phy_connect(NULL, 0, ethdev, interface);
- phandle.node = phynode;
goto out;
}
- for (i = 0; i < ARRAY_SIZE(phy_handle_str); i++)
- if (!dev_read_phandle_with_args(ethdev, phy_handle_str[i], NULL,
- 0, 0, &phandle))
- break;
-
- if (!ofnode_valid(phandle.node)) {
+ phynode = dev_get_phy_node(ethdev);
+ if (!ofnode_valid(phynode)) {
dev_dbg(ethdev, "can't find PHY node\n");
return NULL;
}
* reading 'reg' directly should be fine. This is a PHY node, the
* address is always size 1 and requires no translation
*/
- if (ofnode_read_u32(phandle.node, "reg", &phy_addr)) {
+ if (ofnode_read_u32(phynode, "reg", &phy_addr)) {
dev_dbg(ethdev, "missing reg property in phy node\n");
return NULL;
}
if (uclass_get_device_by_ofnode(UCLASS_MDIO,
- ofnode_get_parent(phandle.node),
+ ofnode_get_parent(phynode),
&mdiodev)) {
dev_dbg(ethdev, "can't find MDIO bus for node %s\n",
- ofnode_get_name(ofnode_get_parent(phandle.node)));
+ ofnode_get_name(ofnode_get_parent(phynode)));
return NULL;
}
out:
if (phy)
- phy->node = phandle.node;
+ phy->node = phynode;
return phy;
}
/* Connect to a PHY linked in eth DT node */
struct phy_device *dm_eth_phy_connect(struct udevice *ethdev)
{
- const char *if_str;
phy_interface_t interface;
struct phy_device *phy;
- int i;
if (!dev_has_ofnode(ethdev)) {
debug("%s: supplied eth dev has no DT node!\n", ethdev->name);
return NULL;
}
- interface = PHY_INTERFACE_MODE_NONE;
- for (i = 0; i < ARRAY_SIZE(phy_mode_str); i++) {
- if_str = dev_read_string(ethdev, phy_mode_str[i]);
- if (if_str) {
- interface = phy_get_interface_by_name(if_str);
- break;
- }
- }
- if (interface < 0)
- interface = PHY_INTERFACE_MODE_NONE;
- if (interface == PHY_INTERFACE_MODE_NONE)
- dev_dbg(ethdev, "can't find interface mode, default to NONE\n");
+ interface = dev_read_phy_mode(ethdev);
+ if (interface == PHY_INTERFACE_MODE_NA)
+ dev_dbg(ethdev, "can't find interface mode, default to NA\n");
phy = dm_eth_connect_phy_handle(ethdev, interface);