1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright 2011 Freescale Semiconductor, Inc.
4 * Andy Fleming <afleming@gmail.com>
6 * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
13 #include <linux/list.h>
14 #include <linux/mii.h>
15 #include <linux/ethtool.h>
16 #include <linux/mdio.h>
17 #include <phy_interface.h>
19 #define PHY_FIXED_ID 0xa5a55a5a
21 #define PHY_MAX_ADDR 32
23 #define PHY_FLAG_BROKEN_RESET (1 << 0) /* soft reset not supported */
25 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
29 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
30 SUPPORTED_10baseT_Full)
32 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
33 SUPPORTED_100baseT_Full)
35 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
36 SUPPORTED_1000baseT_Full)
38 #define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
39 PHY_100BT_FEATURES | \
42 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
45 #define PHY_10G_FEATURES (PHY_GBIT_FEATURES | \
46 SUPPORTED_10000baseT_Full)
48 #ifndef PHY_ANEG_TIMEOUT
49 #define PHY_ANEG_TIMEOUT 4000
55 #define MDIO_NAME_LEN 32
58 struct list_head link
;
59 char name
[MDIO_NAME_LEN
];
61 int (*read
)(struct mii_dev
*bus
, int addr
, int devad
, int reg
);
62 int (*write
)(struct mii_dev
*bus
, int addr
, int devad
, int reg
,
64 int (*reset
)(struct mii_dev
*bus
);
65 struct phy_device
*phymap
[PHY_MAX_ADDR
];
69 /* struct phy_driver: a structure which defines PHY behavior
71 * uid will contain a number which represents the PHY. During
72 * startup, the driver will poll the PHY to find out what its
73 * UID--as defined by registers 2 and 3--is. The 32-bit result
74 * gotten from the PHY will be masked to
75 * discard any bits which may change based on revision numbers
76 * unimportant to functionality
87 /* Called to do any driver startup necessities */
88 /* Will be called during phy_connect */
89 int (*probe
)(struct phy_device
*phydev
);
91 /* Called to configure the PHY, and modify the controller
92 * based on the results. Should be called after phy_connect */
93 int (*config
)(struct phy_device
*phydev
);
95 /* Called when starting up the controller */
96 int (*startup
)(struct phy_device
*phydev
);
98 /* Called when bringing down the controller */
99 int (*shutdown
)(struct phy_device
*phydev
);
101 int (*readext
)(struct phy_device
*phydev
, int addr
, int devad
, int reg
);
102 int (*writeext
)(struct phy_device
*phydev
, int addr
, int devad
, int reg
,
104 struct list_head list
;
108 /* Information about the PHY type */
109 /* And management functions */
111 struct phy_driver
*drv
;
118 struct eth_device
*dev
;
121 /* forced speed & duplex (no autoneg)
122 * partner speed & duplex & pause (autoneg)
127 /* The most recently read link state */
130 phy_interface_t interface
;
152 static inline int phy_read(struct phy_device
*phydev
, int devad
, int regnum
)
154 struct mii_dev
*bus
= phydev
->bus
;
156 return bus
->read(bus
, phydev
->addr
, devad
, regnum
);
159 static inline int phy_write(struct phy_device
*phydev
, int devad
, int regnum
,
162 struct mii_dev
*bus
= phydev
->bus
;
164 return bus
->write(bus
, phydev
->addr
, devad
, regnum
, val
);
167 #ifdef CONFIG_PHYLIB_10G
168 extern struct phy_driver gen10g_driver
;
170 /* For now, XGMII is the only 10G interface */
171 static inline int is_10g_interface(phy_interface_t interface
)
173 return interface
== PHY_INTERFACE_MODE_XGMII
;
179 int phy_reset(struct phy_device
*phydev
);
180 struct phy_device
*phy_find_by_mask(struct mii_dev
*bus
, unsigned phy_mask
,
181 phy_interface_t interface
);
183 void phy_connect_dev(struct phy_device
*phydev
, struct udevice
*dev
);
184 struct phy_device
*phy_connect(struct mii_dev
*bus
, int addr
,
186 phy_interface_t interface
);
187 static inline ofnode
phy_get_ofnode(struct phy_device
*phydev
)
189 if (ofnode_valid(phydev
->node
))
192 return dev_ofnode(phydev
->dev
);
195 void phy_connect_dev(struct phy_device
*phydev
, struct eth_device
*dev
);
196 struct phy_device
*phy_connect(struct mii_dev
*bus
, int addr
,
197 struct eth_device
*dev
,
198 phy_interface_t interface
);
199 static inline ofnode
phy_get_ofnode(struct phy_device
*phydev
)
201 return ofnode_null();
204 int phy_startup(struct phy_device
*phydev
);
205 int phy_config(struct phy_device
*phydev
);
206 int phy_shutdown(struct phy_device
*phydev
);
207 int phy_register(struct phy_driver
*drv
);
208 int phy_set_supported(struct phy_device
*phydev
, u32 max_speed
);
209 int genphy_config_aneg(struct phy_device
*phydev
);
210 int genphy_restart_aneg(struct phy_device
*phydev
);
211 int genphy_update_link(struct phy_device
*phydev
);
212 int genphy_parse_link(struct phy_device
*phydev
);
213 int genphy_config(struct phy_device
*phydev
);
214 int genphy_startup(struct phy_device
*phydev
);
215 int genphy_shutdown(struct phy_device
*phydev
);
216 int gen10g_config(struct phy_device
*phydev
);
217 int gen10g_startup(struct phy_device
*phydev
);
218 int gen10g_shutdown(struct phy_device
*phydev
);
219 int gen10g_discover_mmds(struct phy_device
*phydev
);
221 int phy_b53_init(void);
222 int phy_mv88e61xx_init(void);
223 int phy_aquantia_init(void);
224 int phy_atheros_init(void);
225 int phy_broadcom_init(void);
226 int phy_cortina_init(void);
227 int phy_davicom_init(void);
228 int phy_et1011c_init(void);
229 int phy_lxt_init(void);
230 int phy_marvell_init(void);
231 int phy_micrel_ksz8xxx_init(void);
232 int phy_micrel_ksz90x1_init(void);
233 int phy_meson_gxl_init(void);
234 int phy_natsemi_init(void);
235 int phy_realtek_init(void);
236 int phy_smsc_init(void);
237 int phy_teranetics_init(void);
238 int phy_ti_init(void);
239 int phy_vitesse_init(void);
240 int phy_xilinx_init(void);
241 int phy_mscc_init(void);
242 int phy_fixed_init(void);
244 int board_phy_config(struct phy_device
*phydev
);
245 int get_phy_id(struct mii_dev
*bus
, int addr
, int devad
, u32
*phy_id
);
248 * phy_get_interface_by_name() - Look up a PHY interface name
250 * @str: PHY interface name, e.g. "mii"
251 * @return PHY_INTERFACE_MODE_... value, or -1 if not found
253 int phy_get_interface_by_name(const char *str
);
256 * phy_interface_is_rgmii - Convenience function for testing if a PHY interface
257 * is RGMII (all variants)
258 * @phydev: the phy_device struct
260 static inline bool phy_interface_is_rgmii(struct phy_device
*phydev
)
262 return phydev
->interface
>= PHY_INTERFACE_MODE_RGMII
&&
263 phydev
->interface
<= PHY_INTERFACE_MODE_RGMII_TXID
;
267 * phy_interface_is_sgmii - Convenience function for testing if a PHY interface
268 * is SGMII (all variants)
269 * @phydev: the phy_device struct
271 static inline bool phy_interface_is_sgmii(struct phy_device
*phydev
)
273 return phydev
->interface
>= PHY_INTERFACE_MODE_SGMII
&&
274 phydev
->interface
<= PHY_INTERFACE_MODE_QSGMII
;
277 /* PHY UIDs for various PHYs that are referenced in external code */
278 #define PHY_UID_CS4340 0x13e51002
279 #define PHY_UID_CS4223 0x03e57003
280 #define PHY_UID_TN2020 0x00a19410
281 #define PHY_UID_IN112525_S03 0x02107440