1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * include/linux/micrel_phy.h
4  *
5  * Micrel PHY IDs
6  */
7 
8 #ifndef _MICREL_PHY_H
9 #define _MICREL_PHY_H
10 
11 #define MICREL_OUI		0x0885
12 
13 #define MICREL_PHY_ID_MASK	0x00fffff0
14 
15 #define PHY_ID_KSZ8873MLL	0x000e7237
16 #define PHY_ID_KSZ9021		0x00221610
17 #define PHY_ID_KSZ9021RLRN	0x00221611
18 #define PHY_ID_KS8737		0x00221720
19 #define PHY_ID_KSZ8021		0x00221555
20 #define PHY_ID_KSZ8031		0x00221556
21 #define PHY_ID_KSZ8041		0x00221510
22 /* undocumented */
23 #define PHY_ID_KSZ8041RNLI	0x00221537
24 #define PHY_ID_KSZ8051		0x00221550
25 /* same id: ks8001 Rev. A/B, and ks8721 Rev 3. */
26 #define PHY_ID_KSZ8001		0x0022161A
27 /* same id: KS8081, KS8091 */
28 #define PHY_ID_KSZ8081		0x00221560
29 #define PHY_ID_KSZ8061		0x00221570
30 #define PHY_ID_KSZ9031		0x00221620
31 #define PHY_ID_KSZ9131		0x00221640
32 #define PHY_ID_LAN8814		0x00221660
33 #define PHY_ID_LAN8804		0x00221670
34 #define PHY_ID_LAN8841		0x00221650
35 
36 #define PHY_ID_KSZ886X		0x00221430
37 #define PHY_ID_KSZ8863		0x00221435
38 
39 #define PHY_ID_KSZ87XX		0x00221550
40 
41 #define	PHY_ID_KSZ9477		0x00221631
42 
43 /* struct phy_device dev_flags definitions */
44 #define MICREL_PHY_50MHZ_CLK	BIT(0)
45 #define MICREL_PHY_FXEN		BIT(1)
46 #define MICREL_KSZ8_P1_ERRATA	BIT(2)
47 #define MICREL_NO_EEE		BIT(3)
48 
49 #define MICREL_KSZ9021_EXTREG_CTRL	0xB
50 #define MICREL_KSZ9021_EXTREG_DATA_WRITE	0xC
51 #define MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW	0x104
52 #define MICREL_KSZ9021_RGMII_RX_DATA_PAD_SCEW	0x105
53 
54 /* Device specific MII_BMCR (Reg 0) bits */
55 /* 1 = HP Auto MDI/MDI-X mode, 0 = Microchip Auto MDI/MDI-X mode */
56 #define KSZ886X_BMCR_HP_MDIX			BIT(5)
57 /* 1 = Force MDI (transmit on RXP/RXM pins), 0 = Normal operation
58  * (transmit on TXP/TXM pins)
59  */
60 #define KSZ886X_BMCR_FORCE_MDI			BIT(4)
61 /* 1 = Disable auto MDI-X */
62 #define KSZ886X_BMCR_DISABLE_AUTO_MDIX		BIT(3)
63 #define KSZ886X_BMCR_DISABLE_FAR_END_FAULT	BIT(2)
64 #define KSZ886X_BMCR_DISABLE_TRANSMIT		BIT(1)
65 #define KSZ886X_BMCR_DISABLE_LED		BIT(0)
66 
67 /* PHY Special Control/Status Register (Reg 31) */
68 #define KSZ886X_CTRL_MDIX_STAT			BIT(4)
69 #define KSZ886X_CTRL_FORCE_LINK			BIT(3)
70 #define KSZ886X_CTRL_PWRSAVE			BIT(2)
71 #define KSZ886X_CTRL_REMOTE_LOOPBACK		BIT(1)
72 
73 #endif /* _MICREL_PHY_H */
74