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net: phy: add support for Micrel's KSZ9021

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Add the gigabit phy KSZ9021.
Also, add function ksz9021_phy_extended_write
/_read for access to the phys extended registers.
The environment variable "disable_giga"
can be used to disable 1000baseTx.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
This commit is contained in:
Troy Kisky
2012-02-07 14:08:48 +00:00
committed by Albert ARIBAUD
parent 13947f43c9
commit 8682aba7da
3 changed files with 104 additions and 0 deletions
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16
include/micrel.h Normal file
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#ifndef _MICREL_H
#define MII_KSZ9021_EXT_COMMON_CTRL 0x100
#define MII_KSZ9021_EXT_STRAP_STATUS 0x101
#define MII_KSZ9021_EXT_OP_STRAP_OVERRIDE 0x102
#define MII_KSZ9021_EXT_OP_STRAP_STATUS 0x103
#define MII_KSZ9021_EXT_RGMII_CLOCK_SKEW 0x104
#define MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW 0x105
#define MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW 0x106
#define MII_KSZ9021_EXT_ANALOG_TEST 0x107
struct phy_device;
int ksz9021_phy_extended_write(struct phy_device *phydev, int regnum, u16 val);
int ksz9021_phy_extended_read(struct phy_device *phydev, int regnum);
#endif