xref: /linux/drivers/net/phy/mdio-open-alliance.h (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * mdio-open-alliance.h - definition of OPEN Alliance SIG standard registers
4  */
5 
6 #ifndef __MDIO_OPEN_ALLIANCE__
7 #define __MDIO_OPEN_ALLIANCE__
8 
9 #include <linux/mdio.h>
10 
11 /* NOTE: all OATC14 registers are located in MDIO_MMD_VEND2 */
12 
13 /* Open Alliance TC14 (10BASE-T1S) registers */
14 #define MDIO_OATC14_PLCA_IDVER	0xca00  /* PLCA ID and version */
15 #define MDIO_OATC14_PLCA_CTRL0	0xca01	/* PLCA Control register 0 */
16 #define MDIO_OATC14_PLCA_CTRL1	0xca02	/* PLCA Control register 1 */
17 #define MDIO_OATC14_PLCA_STATUS	0xca03	/* PLCA Status register */
18 #define MDIO_OATC14_PLCA_TOTMR	0xca04	/* PLCA TO Timer register */
19 #define MDIO_OATC14_PLCA_BURST	0xca05	/* PLCA BURST mode register */
20 
21 /* Open Alliance TC14 PLCA IDVER register */
22 #define MDIO_OATC14_PLCA_IDM	0xff00	/* PLCA MAP ID */
23 #define MDIO_OATC14_PLCA_VER	0x00ff	/* PLCA MAP version */
24 
25 /* Open Alliance TC14 PLCA CTRL0 register */
26 #define MDIO_OATC14_PLCA_EN	BIT(15) /* PLCA enable */
27 #define MDIO_OATC14_PLCA_RST	BIT(14) /* PLCA reset */
28 
29 /* Open Alliance TC14 PLCA CTRL1 register */
30 #define MDIO_OATC14_PLCA_NCNT	0xff00	/* PLCA node count */
31 #define MDIO_OATC14_PLCA_ID	0x00ff	/* PLCA local node ID */
32 
33 /* Open Alliance TC14 PLCA STATUS register */
34 #define MDIO_OATC14_PLCA_PST	BIT(15)	/* PLCA status indication */
35 
36 /* Open Alliance TC14 PLCA TOTMR register */
37 #define MDIO_OATC14_PLCA_TOT	0x00ff
38 
39 /* Open Alliance TC14 PLCA BURST register */
40 #define MDIO_OATC14_PLCA_MAXBC	0xff00
41 #define MDIO_OATC14_PLCA_BTMR	0x00ff
42 
43 /* Version Identifiers */
44 #define OATC14_IDM		0x0a00
45 
46 #endif /* __MDIO_OPEN_ALLIANCE__ */
47