X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fmiiphy.h;h=c66a1845b58545ec18e9e562f56b08ad0866bb15;hb=c56289ddafce3d1ec442fb18064f136c2c47d0bb;hp=fe8928a3a9d00f96ec14ba161ba905f39fe03b12;hpb=0bd1f96aa2f18d29e8321e519b0152853e500d4d;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/miiphy.h b/include/miiphy.h
index fe8928a..c66a184 100644
--- a/include/miiphy.h
+++ b/include/miiphy.h
@@ -1,6 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0 OR IBM-pibs */
 /*
- * SPDX-License-Identifier:	GPL-2.0	IBM-pibs
- *
  * Additions (C) Copyright 2009 Industrie Dial Face S.p.A.
  */
 /*----------------------------------------------------------------------------+
@@ -40,6 +39,7 @@ void miiphy_init(void);
 int miiphy_set_current_dev(const char *devname);
 const char *miiphy_get_current_dev(void);
 struct mii_dev *mdio_get_current_dev(void);
+struct list_head *mdio_get_list_head(void);
 struct mii_dev *miiphy_get_dev_by_name(const char *devname);
 struct phy_device *mdio_phydev_for_ethname(const char *devname);
 
@@ -81,7 +81,15 @@ struct bb_miiphy_bus {
 extern struct bb_miiphy_bus bb_miiphy_buses[];
 extern int bb_miiphy_buses_num;
 
-void bb_miiphy_init(void);
+/**
+ * bb_miiphy_init() - Initialize bit-banged MII bus driver
+ *
+ * It is called during the generic post-relocation init sequence.
+ *
+ * Return: 0 if OK
+ */
+int bb_miiphy_init(void);
+
 int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg);
 int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg,
 		    u16 value);
@@ -118,4 +126,117 @@ int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg,
 #define ESTATUS_1000XF		0x8000
 #define ESTATUS_1000XH		0x4000
 
+/**
+ * struct mdio_perdev_priv - Per-device class data for MDIO DM
+ *
+ * @mii_bus: Supporting MII legacy bus
+ */
+struct mdio_perdev_priv {
+	struct mii_dev *mii_bus;
+};
+
+/**
+ * struct mdio_ops - MDIO bus operations
+ *
+ * @read: Read from a PHY register
+ * @write: Write to a PHY register
+ * @reset: Reset the MDIO bus, NULL if not supported
+ */
+struct mdio_ops {
+	int (*read)(struct udevice *mdio_dev, int addr, int devad, int reg);
+	int (*write)(struct udevice *mdio_dev, int addr, int devad, int reg,
+		     u16 val);
+	int (*reset)(struct udevice *mdio_dev);
+};
+
+#define mdio_get_ops(dev) ((struct mdio_ops *)(dev)->driver->ops)
+
+/**
+ * dm_mdio_probe_devices - Call probe on all MII devices, currently used for
+ * MDIO console commands.
+ */
+void dm_mdio_probe_devices(void);
+
+/**
+ * dm_mdio_read - Wrapper over .read() operation for DM MDIO
+ *
+ * @mdiodev: mdio device
+ * @addr: PHY address on MDIO bus
+ * @devad: device address on PHY if C45; should be MDIO_DEVAD_NONE if C22
+ * @reg: register address
+ * Return: register value if non-negative, -error code otherwise
+ */
+int dm_mdio_read(struct udevice *mdio_dev, int addr, int devad, int reg);
+
+/**
+ * dm_mdio_write - Wrapper over .write() operation for DM MDIO
+ *
+ * @mdiodev: mdio device
+ * @addr: PHY address on MDIO bus
+ * @devad: device address on PHY if C45; should be MDIO_DEVAD_NONE if C22
+ * @reg: register address
+ * @val: value to write
+ * Return: 0 on success, -error code otherwise
+ */
+int dm_mdio_write(struct udevice *mdio_dev, int addr, int devad, int reg, u16 val);
+
+/**
+ * dm_mdio_reset - Wrapper over .reset() operation for DM MDIO
+ *
+ * @mdiodev: mdio device
+ * Return: 0 on success, -error code otherwise
+ */
+int dm_mdio_reset(struct udevice *mdio_dev);
+
+/**
+ * dm_phy_find_by_ofnode - Find PHY device by ofnode
+ *
+ * @phynode: PHY's ofnode
+ *
+ * Return: pointer to phy_device, or NULL on error
+ */
+struct phy_device *dm_phy_find_by_ofnode(ofnode phynode);
+
+/**
+ * dm_mdio_phy_connect - Wrapper over phy_connect for DM MDIO
+ *
+ * @mdiodev: mdio device the PHY is accesible on
+ * @phyaddr: PHY address on MDIO bus
+ * @ethdev: ethernet device to connect to the PHY
+ * @interface: MAC-PHY protocol
+ *
+ * Return: pointer to phy_device, or 0 on error
+ */
+struct phy_device *dm_mdio_phy_connect(struct udevice *mdiodev, int phyaddr,
+				       struct udevice *ethdev,
+				       phy_interface_t interface);
+
+/**
+ * dm_eth_phy_connect - Connect an Eth device to a PHY based on device tree
+ *
+ * Picks up the DT phy-handle and phy-mode from ethernet device node and
+ * connects the ethernet device to the linked PHY.
+ *
+ * @ethdev: ethernet device
+ *
+ * Return: pointer to phy_device, or 0 on error
+ */
+struct phy_device *dm_eth_phy_connect(struct udevice *ethdev);
+
+/* indicates none of the child buses is selected */
+#define MDIO_MUX_SELECT_NONE	-1
+
+/**
+ * struct mdio_mux_ops - MDIO MUX operations
+ *
+ * @select: Selects a child bus
+ * @deselect: Clean up selection.  Optional, can be NULL
+ */
+struct mdio_mux_ops {
+	int (*select)(struct udevice *mux, int cur, int sel);
+	int (*deselect)(struct udevice *mux, int sel);
+};
+
+#define mdio_mux_get_ops(dev) ((struct mdio_mux_ops *)(dev)->driver->ops)
+
 #endif